Jobs at 1inch

Software Engineer, Frontend (Angular)

1inch is the DeFi ecosystem building financial freedom for everyone. 1inch products help users and builders trade, hold and track digital assets - with the self-custody, comprehensive security and the intuitive user experience they need to unlock the potential of true crypto ownership. 1inch protocols and APIs provide core infrastructure across the DeFi industry and beyond. So if you’re someone who thinks big, moves fast and wants to make an impact right from day one, then get ready to join our industry-changing team. Location: We prioritise candidates who are based in Dubai then consider those working remotely in one of our European Hub Locations (UK, Spain or Germany). Your mission ---------------- 1inch builds some of the most-used interfaces in DeFi — from our flagship swap aggregator to advanced trading tools, portfolio views and developer-facing pages. Our frontend engineers own these experiences end-to-end, ensuring they are fast, reliable and intuitive for millions of users across multiple chains. We are building a talent pool of frontend engineers at mid and senior level. This is an evergreen posting: there is no single open role tied to it, but when approved positions arise you will already be in our pipeline. ### What you'll do Design, develop, and maintain frontend applications and shared UI components using Angular, RxJS, and TypeScript Build responsive, scalable, and high-performance web applications with strong usability and security standards Contribute to frontend architecture decisions, testing strategies, CI/CD workflows, and development standards Improve frontend reliability, maintainability, accessibility, and browser performance optimisation Collaborate closely with product, design, backend, and blockchain engineering teams to deliver seamless user experiences Participate in code reviews, testing workflows, and continuous improvement of frontend engineering practices Monitor frontend application performance and contribute to observability and debugging processes At senior level, lead architectural initiatives, mentor engineers, and drive frontend engineering standards across teams ### Who you are Strong proficiency with Angular, RxJS, and TypeScript Solid understanding of modern web technologies including DOM, SCSS/CSS, HTTP, CORS, and CSP Experience working with frontend monitoring, testing, and CI/CD tooling such as Sentry and GitHub Actions Familiarity with Service Workers and browser performance optimisation techniques Experience writing unit and integration tests for frontend applications Strong communication skills and ability to work effectively within distributed engineering teams Professional frontend engineering experience building scalable web applications in production environments For senior-level candidates, experience designing frontend architectures, reusable component systems, and leading technical initiatives ### Nice to haves Experience working with Ethereum, JSON-RPC, Solidity, smart contracts, or Web3 technologies Familiarity with Ethers.js, EIP-2612, and Automated Market Maker (AMM) protocols Experience building decentralised applications and blockchain-based user interfaces Backend exposure with technologies such as NestJS, Docker, or microservices Experience working in fast-paced startup, scale-up, or high-growth technology environments 1inch is an equal opportunity employer. We are committed to evaluating all candidates on the basis of their skills, experience, and potential — regardless of race, ethnicity, nationality, gender, age, religion, disability, or any other characteristic. We believe diverse teams build better products, and we welcome applications from all backgrounds.* We use AI-assisted tools to help us review applications efficiently. These tools support our recruitment team but do not make decisions on our behalf — every application is reviewed by a person before any outcome is determined. No offer or rejection is made solely on the basis of automated processing. For full details on how we use these tools and your rights in relation to them, please see our Applicant and Candidate Privacy Notice.

Senior Software Engineer, Backend (TypeScript)

Software Engineer, Frontend (Angular)

1inch is the DeFi ecosystem building financial freedom for everyone. 1inch products help users and builders trade, hold and track digital assets - with the self-custody, comprehensive security and the intuitive user experience they need to unlock the potential of true crypto ownership. 1inch protocols and APIs provide core infrastructure across the DeFi industry and beyond. So if you’re someone who thinks big, moves fast and wants to make an impact right from day one, then get ready to join our industry-changing team. Location: We prioritise candidates who are based in Dubai then consider those working remotely in one of our European Hub Locations (UK, Spain or Germany). Your mission ---------------- 1inch builds some of the most-used interfaces in DeFi — from our flagship swap aggregator to advanced trading tools, portfolio views and developer-facing pages. Our frontend engineers own these experiences end-to-end, ensuring they are fast, reliable and intuitive for millions of users across multiple chains. We are building a talent pool of frontend engineers at mid and senior level. This is an evergreen posting: there is no single open role tied to it, but when approved positions arise you will already be in our pipeline. ### What you'll do Design, develop, and maintain frontend applications and shared UI components using Angular, RxJS, and TypeScript Build responsive, scalable, and high-performance web applications with strong usability and security standards Contribute to frontend architecture decisions, testing strategies, CI/CD workflows, and development standards Improve frontend reliability, maintainability, accessibility, and browser performance optimisation Collaborate closely with product, design, backend, and blockchain engineering teams to deliver seamless user experiences Participate in code reviews, testing workflows, and continuous improvement of frontend engineering practices Monitor frontend application performance and contribute to observability and debugging processes At senior level, lead architectural initiatives, mentor engineers, and drive frontend engineering standards across teams ### Who you are Strong proficiency with Angular, RxJS, and TypeScript Solid understanding of modern web technologies including DOM, SCSS/CSS, HTTP, CORS, and CSP Experience working with frontend monitoring, testing, and CI/CD tooling such as Sentry and GitHub Actions Familiarity with Service Workers and browser performance optimisation techniques Experience writing unit and integration tests for frontend applications Strong communication skills and ability to work effectively within distributed engineering teams Professional frontend engineering experience building scalable web applications in production environments For senior-level candidates, experience designing frontend architectures, reusable component systems, and leading technical initiatives ### Nice to haves Experience working with Ethereum, JSON-RPC, Solidity, smart contracts, or Web3 technologies Familiarity with Ethers.js, EIP-2612, and Automated Market Maker (AMM) protocols Experience building decentralised applications and blockchain-based user interfaces Backend exposure with technologies such as NestJS, Docker, or microservices Experience working in fast-paced startup, scale-up, or high-growth technology environments 1inch is an equal opportunity employer. We are committed to evaluating all candidates on the basis of their skills, experience, and potential — regardless of race, ethnicity, nationality, gender, age, religion, disability, or any other characteristic. We believe diverse teams build better products, and we welcome applications from all backgrounds.* We use AI-assisted tools to help us review applications efficiently. These tools support our recruitment team but do not make decisions on our behalf — every application is reviewed by a person before any outcome is determined. No offer or rejection is made solely on the basis of automated processing. For full details on how we use these tools and your rights in relation to them, please see our Applicant and Candidate Privacy Notice.

Senior Software Engineer, Backend (TypeScript)

Software Engineer, Frontend (Angular)

1inch is the DeFi ecosystem building financial freedom for everyone. 1inch products help users and builders trade, hold and track digital assets - with the self-custody, comprehensive security and the intuitive user experience they need to unlock the potential of true crypto ownership. 1inch protocols and APIs provide core infrastructure across the DeFi industry and beyond. So if you’re someone who thinks big, moves fast and wants to make an impact right from day one, then get ready to join our industry-changing team. Location: We prioritise candidates who are based in Dubai then consider those working remotely in one of our European Hub Locations (UK, Spain or Germany). Your mission ---------------- 1inch builds some of the most-used interfaces in DeFi — from our flagship swap aggregator to advanced trading tools, portfolio views and developer-facing pages. Our frontend engineers own these experiences end-to-end, ensuring they are fast, reliable and intuitive for millions of users across multiple chains. We are building a talent pool of frontend engineers at mid and senior level. This is an evergreen posting: there is no single open role tied to it, but when approved positions arise you will already be in our pipeline. ### What you'll do Design, develop, and maintain frontend applications and shared UI components using Angular, RxJS, and TypeScript Build responsive, scalable, and high-performance web applications with strong usability and security standards Contribute to frontend architecture decisions, testing strategies, CI/CD workflows, and development standards Improve frontend reliability, maintainability, accessibility, and browser performance optimisation Collaborate closely with product, design, backend, and blockchain engineering teams to deliver seamless user experiences Participate in code reviews, testing workflows, and continuous improvement of frontend engineering practices Monitor frontend application performance and contribute to observability and debugging processes At senior level, lead architectural initiatives, mentor engineers, and drive frontend engineering standards across teams ### Who you are Strong proficiency with Angular, RxJS, and TypeScript Solid understanding of modern web technologies including DOM, SCSS/CSS, HTTP, CORS, and CSP Experience working with frontend monitoring, testing, and CI/CD tooling such as Sentry and GitHub Actions Familiarity with Service Workers and browser performance optimisation techniques Experience writing unit and integration tests for frontend applications Strong communication skills and ability to work effectively within distributed engineering teams Professional frontend engineering experience building scalable web applications in production environments For senior-level candidates, experience designing frontend architectures, reusable component systems, and leading technical initiatives ### Nice to haves Experience working with Ethereum, JSON-RPC, Solidity, smart contracts, or Web3 technologies Familiarity with Ethers.js, EIP-2612, and Automated Market Maker (AMM) protocols Experience building decentralised applications and blockchain-based user interfaces Backend exposure with technologies such as NestJS, Docker, or microservices Experience working in fast-paced startup, scale-up, or high-growth technology environments 1inch is an equal opportunity employer. We are committed to evaluating all candidates on the basis of their skills, experience, and potential — regardless of race, ethnicity, nationality, gender, age, religion, disability, or any other characteristic. We believe diverse teams build better products, and we welcome applications from all backgrounds.* We use AI-assisted tools to help us review applications efficiently. These tools support our recruitment team but do not make decisions on our behalf — every application is reviewed by a person before any outcome is determined. No offer or rejection is made solely on the basis of automated processing. For full details on how we use these tools and your rights in relation to them, please see our Applicant and Candidate Privacy Notice.

Senior Software Engineer, Backend (TypeScript)

Senior Technical Product Manager, Swap

1inch is the DeFi ecosystem building financial freedom for everyone. 1inch products help users and builders trade, hold and track digital assets - with the self-custody, comprehensive security and the intuitive user experience they need to unlock the potential of true crypto ownership. 1inch protocols and APIs provide core infrastructure across the DeFi industry and beyond. So if you’re someone who thinks big, moves fast and wants to make an impact right from day one, then get ready to join our industry-changing team. Location: We prioritise candidates who are based in Dubai then consider those working remotely in one of our European Hub Locations (UK, Spain or Germany). The Senior Technical Product Manager, Swap owns the end-to-end success of the Swap product domain. This role combines strong product leadership, technical understanding, and market awareness to ensure the Swap product remains competitive, reliable, scalable, and valuable for users and partners. The role reports to the Head of Product, B2B SaaS and heavily collaborates with Product Owners to connect product strategy with daily execution across teams. Within the Product department, the person in this role works closely with Product Design, QA, and Engineering teams, while partnering cross-functionally with Marketing, Legal, and Sales \& Business Development to align priorities and drive measurable outcomes. This role requires a product manager who can understand complex DeFi and technical concepts, translate them into clear product decisions, and drive the right actions to maintain or improve the product’s competitive position. Key responsibilities * Own the end-to-end product lifecycle for the Swap domain, from discovery and roadmap definition to delivery, launch, growth, and optimization. * Define and maintain the product vision, strategy, roadmap, priorities, and success metrics for Swap. * Continuously monitor the market, competitors, user expectations, and emerging DeFi protocols relevant to Swap. * Identify gaps, opportunities, risks, and threats, and translate them into concrete product initiatives or experiments. * Drive product actions that help the Swap product maintain or improve its competitive position. * Track and improve key competitive metrics such as routing quality, liquidity coverage, conversion, fees, volume, and reliability. * Work closely on routing, aggregation, APIs, integrations, liquidity sources, performance, scalability, and reliability. * Translate complex technical topics into clear product requirements, trade-offs, priorities, and decision documents. * Lead initiatives across multiple product and engineering teams, with strong collaboration with Product Owners. * Coordinate end-to-end execution with Product Owners, Product Design, QA, and Engineering teams within Product, and with Marketing, Legal, and Sales \& Business Development as key cross-functional partners. * Ensure launches and product changes are supported by clear positioning, go-to-market planning, stakeholder communication, and business readiness. * Act as the central product contact for the Swap domain across internal teams. Job requirements * 6+ years of product management experience, including ownership of complex technical products or platforms. * Strong understanding of Web3, DeFi, blockchain products, DEX aggregation, liquidity, routing, or closely related financial technology domains. * Proven ability to define product strategy, roadmap, requirements, and success metrics for a complex product area. * Experience working closely with engineering teams on APIs, integrations, infrastructure, system architecture, scalability, or performance topics. * Strong market and competitor analysis skills, with the ability to turn insights into product actions. * Strong analytical skills and ability to use product, business, and technical data to make decisions. * Excellent written and verbal communication skills for both technical and non-technical audiences. * Strong ownership mindset, high attention to detail, and focus on measurable outcomes. Nice-to-Haves * Experience in B2B SaaS, APIs, developer platforms, or infrastructure products. * Experience working with partners, integrations, or business development teams. Why work for us? * Join a young, creative team in a fast-paced and supportive environment * We’re open to new ideas — if you’ve got a vision, pitch it and make it happen * Enjoy competitive pay that matches your skills and experience * Be part of a company that’s shaping the future of DeFi * Take time when you need it — we offer unlimited vacation days * Get fully compensated for your work gear — we’ll set you up for success 1inch is an equal opportunity employer. We are committed to evaluating all candidates on the basis of their skills, experience, and potential — regardless of race, ethnicity, nationality, gender, age, religion, disability, or any other characteristic. We believe diverse teams build better products, and we welcome applications from all backgrounds. We use AI-assisted tools to help us review applications efficiently. These tools support our recruitment team but do not make decisions on our behalf — every application is reviewed by a person before any outcome is determined. No offer or rejection is made solely on the basis of automated processing. For full details on how we use these tools and your rights in relation to them, please see our Applicant and Candidate Privacy Notice.

Software Engineer, Blockchain

1inch is the DeFi ecosystem building financial freedom for everyone. 1inch products help users and builders trade, hold and track digital assets - with the self-custody, comprehensive security and the intuitive user experience they need to unlock the potential of true crypto ownership. 1inch protocols and APIs provide core infrastructure across the DeFi industry and beyond. So if you’re someone who thinks big, moves fast and wants to make an impact right from day one, then get ready to join our industry-changing team. Location: We prioritise candidates who are based in Dubai then consider those working remotely in one of our European Hub Locations (UK, Spain or Germany). Your mission At 1inch, our engineering needs evolve rapidly. We are constantly seeking exceptional Blockchain Engineers to join our mission. Even if we do not have an active vacancy matching your exact seniority today, we want to hear from you. We look for engineers with a high-agency, "Get Stuff Done" mindset and an unrelenting passion for decentralised innovation. As part of our blockchain engineering ecosystem, you will contribute to designing, developing, and optimising the smart contracts and underlying infrastructure powering 1inch. We value sophisticated problem-solvers who can navigate the lightning-fast shifts of the crypto landscape while executing securely at scale. Working alongside our product leads and world-class engineers, your commitment to open-source excellence will keep 1inch at the absolute cutting edge of DeFi. By applying to this talent pool, you will be fast-tracked for consideration the moment a new headcount opens in our global blockchain squad. We welcome applications across all career stages—from highly capable mid-level developers to seasoned principal architects. What You'll Do * Contribute to the design and optimisation of scalable, secure, and high-performance blockchain architectures * Develop, integrate, test, and maintain smart contracts and decentralised protocol components * Conduct technical research and support proof-of-concept initiatives for new blockchain and DeFi features * Contribute to cross-chain interoperability solutions, including bridging and atomic swap mechanisms * Improve execution efficiency and optimise smart contract logic for gas consumption and performance * Collaborate with engineering and security teams to identify vulnerabilities and strengthen protocol reliability * Participate in code reviews, testing, CI/CD workflows, and engineering best practices * Work closely with cross-functional teams to support successful product delivery and continuous improvement Who You Are * Professional software engineering experience with a strong focus on blockchain development and decentralised systems * Strong understanding of Ethereum, EVM-based ecosystems, smart contracts, and decentralised application architecture * Hands-on experience developing with Solidity, Yul, Rust, and TypeScript * Experience working with Layer 2 scaling solutions, cross-chain infrastructure, or blockchain interoperability protocols * Strong understanding of smart contract security principles, testing methodologies, and vulnerability mitigation * Experience using modern blockchain development frameworks such as Foundry or Hardhat * Interest in or understanding of DeFi concepts including AMMs, liquidity pools, routing, or oracle integrations * Strong problem-solving skills and ability to work effectively in fast-paced engineering environments Nice to haves * Experience contributing to open-source blockchain or Web3 projects * Familiarity with zero-knowledge technologies or rollup architectures * Experience building distributed systems or low-latency infrastructure * Understanding of blockchain infrastructure automation and deployment tooling * Experience working in high-growth startup or scale-up environments What We Can Offer * Work alongside a globally distributed and highly collaborative team that has helped shape the history of DeFi and Web3 innovation * Join a fast-paced environment where ownership, initiative, and fresh ideas are encouraged and supported * Competitive compensation package, including a discretionary bonus scheme aligned with your impact and contribution * Full equipment support for your remote workspace setup, plus a dedicated learning and development budget * Flexible remote-first culture with an unlimited paid time off policy to support work-life balance 1inch is an equal opportunity employer. We are committed to evaluating all candidates on the basis of their skills, experience, and potential — regardless of race, ethnicity, nationality, gender, age, religion, disability, or any other characteristic. We believe diverse teams build better products, and we welcome applications from all backgrounds. We use AI-assisted tools to help us review applications efficiently. These tools support our recruitment team but do not make decisions on our behalf — every application is reviewed by a person before any outcome is determined. No offer or rejection is made solely on the basis of automated processing. For full details on how we use these tools and your rights in relation to them, please see our Applicant and Candidate Privacy Notice.

Senior Software Engineer, Blockchain

1inch is the DeFi ecosystem building financial freedom for everyone. 1inch products help users and builders trade, hold and track digital assets - with the self-custody, comprehensive security and the intuitive user experience they need to unlock the potential of true crypto ownership. 1inch protocols and APIs provide core infrastructure across the DeFi industry and beyond. So if you’re someone who thinks big, moves fast and wants to make an impact right from day one, then get ready to join our industry-changing team. Location: We prioritise candidates who are based in Dubai then consider those working remotely in one of our European Hub Locations (UK, Spain or Germany). We are seeking a Senior Blockchain Engineer with a high-agency, "Get Stuff Done" mindset and an unrelenting passion for decentralised innovation. As a core contributor to our engineering ecosystem, you will design, develop, and optimise the smart contracts and underlying blockchain infrastructure powering 1inch. This role requires a sophisticated problem-solver who can navigate the lightning-fast shifts of the crypto landscape while executing securely at scale. Working directly alongside our CPO, product leads, and world-class engineers, your commitment to open-source excellence will keep 1inch at the absolute cutting edge of DeFi. Responsibilities * Architecture \& Scalability: Design and optimise robust blockchain product architecture, keeping scalability, security, and peak performance at the absolute forefront * Smart Contract Lifecycle: Lead the end-to-end development, integration, and internal auditing of high-value smart contracts across decentralised protocols * R\&D and PoCs: Conduct advanced technical research and execute proof-of-concept (PoC) experiments to pioneer new features within the DeFi space * Cross-Chain Innovation: Design and evolve cross-chain interoperability solutions, including atomic swaps and advanced bridging infrastructure * Gas Optimisation: Deep-dive into execution efficiency, designing algorithms with an extreme focus on gas preservation and low-latency performance * Security \& Audit Collaboration: Systematically analyse attack vectors, enforce ironclad security protocols, and collaborate directly with tier-one external auditors for flawless product launches * Engineering Excellence: Champion rigorous code reviews, build effective CI/CD pipelines for Web3, and mentor junior/mid-level developers to scale our technical capabilities Requirements * Proven Footprint: 7+ years of professional software development experience, with a minimum of 3+ years dedicated purely to production-grade blockchain engineering * EVM Mastery: Deep, native understanding of the Ethereum ecosystem, smart contracts (Solidity, Yul), and the mechanics of decentralized applications (dApps) * Scaling \& Infrastructure: Hands-on experience deploying to Layer 2 solutions (Optimistic \& ZK Rollups) and manipulating cross-chain architecture * Technical Leadership: A proven track record of owning architectural decisions from inception to deployment, guiding development teams through complex technical delivery * Security Focus: Deep expertise in smart contract security principles, vulnerability mitigation, and the auditing process Skills * Languages: Deep proficiency in Solidity, Yul, and TypeScript (experience with Rust is a strong advantage) * Frameworks: Mastery of modern smart contract development and deployment workflows, specifically Foundry and Hardhat * DeFi Domain: Advanced understanding of AMMs, liquidity pools, complex mathematical models, and oracle integrations (e.g., Chainlink) * Systems: Solid background in building high-performance, fault-tolerant distributed systems Why join 1inch? * Pioneering Spirit: Work with a globally distributed, highly collaborative team that shaped the history of DeFi; from winning hackathons to launching one of crypto's most legendary retroactive governance token airdrops * Impact \& Autonomy: Join a fast-paced, supportive environment where fresh ideas are valued. If you have a vision, you will have the space and autonomy to pitch it and make it happen * Competitive Compensation: Enjoy a competitive salary that matches your expertise, paired with a discretionary bonus scheme to reward your impact * Flawless Hardware \& Development: We set you up for success by fully providing equipment for your remote workspace, alongside a dedicated learning and development budget to support your professional growth * True Flexibility \& Industry Access: Take time when you need it with our unlimited paid time off policy. Plus, represent 1inch on the ground, with opportunities to be deployed to major international crypto events and hackathons as needed 1inch is an equal opportunity employer. We are committed to evaluating all candidates on the basis of their skills, experience, and potential — regardless of race, ethnicity, nationality, gender, age, religion, disability, or any other characteristic. We believe diverse teams build better products, and we welcome applications from all backgrounds. We use AI-assisted tools to help us review applications efficiently. These tools support our recruitment team but do not make decisions on our behalf — every application is reviewed by a person before any outcome is determined. No offer or rejection is made solely on the basis of automated processing. For full details on how we use these tools and your rights in relation to them, please see our Applicant and Candidate Privacy Notice.

Senior Technical Product Manager, Swap

1inch is the DeFi ecosystem building financial freedom for everyone. 1inch products help users and builders trade, hold and track digital assets - with the self-custody, comprehensive security and the intuitive user experience they need to unlock the potential of true crypto ownership. 1inch protocols and APIs provide core infrastructure across the DeFi industry and beyond. So if you’re someone who thinks big, moves fast and wants to make an impact right from day one, then get ready to join our industry-changing team. Location: We prioritise candidates who are based in Dubai then consider those working remotely in one of our European Hub Locations (UK, Spain or Germany). The Senior Technical Product Manager, Swap owns the end-to-end success of the Swap product domain. This role combines strong product leadership, technical understanding, and market awareness to ensure the Swap product remains competitive, reliable, scalable, and valuable for users and partners. The role reports to the Head of Product, B2B SaaS and heavily collaborates with Product Owners to connect product strategy with daily execution across teams. Within the Product department, the person in this role works closely with Product Design, QA, and Engineering teams, while partnering cross-functionally with Marketing, Legal, and Sales \& Business Development to align priorities and drive measurable outcomes. This role requires a product manager who can understand complex DeFi and technical concepts, translate them into clear product decisions, and drive the right actions to maintain or improve the product’s competitive position. Key Responsibilities * Own the end-to-end product lifecycle for the Swap domain, from discovery and roadmap definition to delivery, launch, growth, and optimization * Define and maintain the product vision, strategy, roadmap, priorities, and success metrics for Swap * Continuously monitor the market, competitors, user expectations, and emerging DeFi protocols relevant to Swap * Identify gaps, opportunities, risks, and threats, and translate them into concrete product initiatives or experiments * Drive product actions that help the Swap product maintain or improve its competitive position * Track and improve key competitive metrics such as routing quality, liquidity coverage, conversion, fees, volume, and reliability * Work closely on routing, aggregation, APIs, integrations, liquidity sources, performance, scalability, and reliability * Translate complex technical topics into clear product requirements, trade-offs, priorities, and decision documents * Lead initiatives across multiple product and engineering teams, with strong collaboration with Product Owners * Coordinate end-to-end execution with Product Owners, Product Design, QA, and Engineering teams within Product, and with Marketing, Legal, and Sales \& Business Development as key cross-functional partners * Ensure launches and product changes are supported by clear positioning, go-to-market planning, stakeholder communication, and business readiness * Act as the central product contact for the Swap domain across internal teams Job Requirements * 6+ years of product management experience, including ownership of complex technical products or platforms * Strong understanding of Web3, DeFi, blockchain products, DEX aggregation, liquidity, routing, or closely related financial technology domains * Proven ability to define product strategy, roadmap, requirements, and success metrics for a complex product area * Experience working closely with engineering teams on APIs, integrations, infrastructure, system architecture, scalability, or performance topics * Strong market and competitor analysis skills, with the ability to turn insights into product actions * Strong analytical skills and ability to use product, business, and technical data to make decisions * Excellent written and verbal communication skills for both technical and non-technical audiences * Strong ownership mindset, high attention to detail, and focus on measurable outcomes Nice-to-Haves * Experience in B2B SaaS, APIs, developer platforms, or infrastructure products * Experience working with partners, integrations, or business development teams Why work for us? * Join a young, creative team in a fast-paced and supportive environment * We’re open to new ideas — if you’ve got a vision, pitch it and make it happen * Enjoy competitive pay that matches your skills and experience * Be part of a company that’s shaping the future of DeFi * Take time when you need it — we offer unlimited vacation days * Get fully compensated for your work gear — we’ll set you up for success 1inch is an equal opportunity employer. We are committed to evaluating all candidates on the basis of their skills, experience, and potential — regardless of race, ethnicity, nationality, gender, age, religion, disability, or any other characteristic. We believe diverse teams build better products, and we welcome applications from all backgrounds. We use AI-assisted tools to help us review applications efficiently. These tools support our recruitment team but do not make decisions on our behalf — every application is reviewed by a person before any outcome is determined. No offer or rejection is made solely on the basis of automated processing. For full details on how we use these tools and your rights in relation to them, please see our Applicant and Candidate Privacy Notice.

Senior Software Engineer, Backend (TypeScript)

Senior Software Engineer, Backend (TypeScript)

Senior Software Engineer, (Blockchain)

1inch is the DeFi ecosystem building financial freedom for everyone. 1inch products help users and builders trade, hold and track digital assets - with the self-custody, comprehensive security and the intuitive user experience they need to unlock the potential of true crypto ownership. 1inch protocols and APIs provide core infrastructure across the DeFi industry and beyond. So if you’re someone who thinks big, moves fast and wants to make an impact right from day one, then get ready to join our industry-changing team. Location: We hire with a focus on Dubai and Europe. For this role, we prefer candidates who are either based in Dubai or working remotely within +/- 4 hours GST time. We're looking for a Senior Blockchain Engineer with a "Get Stuff Done" mentality and a passion for innovation. As a key member of our team, you'll be responsible for designing, developing, and optimising smart contracts and blockchain infrastructure. This role requires a strong problem-solver who can navigate the constant changes of the crypto market while executing quickly and maintaining a high standard of security and quality. You'll work closely with the CPO, product teams, and other engineers to deliver innovative and secure solutions within the DeFi ecosystem. Your commitment to decentralisation and open-source development will be essential in helping us stay ahead of industry trends and build a platform that is robust and forward-thinking. Responsibilities • Designing and optimising blockchain product architecture, with a focus on scalability, security, and performance. • Leading the development, auditing, and integration of smart contracts within decentralised protocols. • Conducting technical research and proof-of-concept (PoC) experiments, while implementing best practices in blockchain development. • Developing and improving cross-chain interoperability solutions, such as cross-chain swaps and bridges. • Designing and developing efficient algorithms, with a focus on gas optimisation. • Defining and implementing effective CI/CD processes for blockchain development. • Analysing and addressing potential attack vectors and ensuring security best practices. • Continuously monitoring emerging blockchain, Web3, and crypto technologies. • Performing rigorous code reviews, mentoring developers, and enforcing best practices in blockchain engineering. • Collaborating with auditors and cross-functional teams to ensure successful product launches. Requirements • 7+ years of software development experience, with at least 3+ years in blockchain engineering. • Deep understanding of blockchain ecosystems, smart contracts (Solidity, Yul, EVM), and decentralized applications (dApps). • Hands-on experience with Ethereum, Layer 2 solutions (Optimistic & ZK Rollups), and cross-chain protocols (atomic swaps, bridges, etc.). • Proven track record in technical leadership, architectural decision-making, and mentoring development teams. • Strong background in blockchain security and experience with smart contract audits. Skills • Proficiency in Solidity, Yul, Rust, TypeScript. • Experience with smart contract development and deployment frameworks (Foundry, Hardhat). • Understanding of DeFi protocols, AMMs, liquidity pools, and oracle integrations. • Expertise in blockchain security principles and smart contract auditing methodologies. • Experience in building high-performance distributed systems. Why you'll love working with us • Join a young, creative team in a fast-paced and supportive environment • We’re open to new ideas — if you’ve got a vision, pitch it and make it happen • Enjoy competitive pay that matches your skills and experience • Be part of a company that’s shaping the future of DeFi • Take time when you need it — we offer unlimited vacation days • Get fully compensated for your work gear — we’ll set you up for success • Travel with us! We host an annual team retreat at a top international location

Remote Backend Senior Engineer (Blockchain) - 1inch Network

The 1inch Labs is a decentralised group of software builders and a key contributor to the 1inch Network. The 1inch Labs operates in the decentralised finance (DeFi) segment, which offers alternatives to traditional financial products, based on digital assets. Among the 1inch Labs' products are the 1inch Aggregation Protocol, the 1inch Liquidity Protocol and the 1inch Limit Order Protocol, which enable users to swap crypto at the best rates, securely and fast. The 1inch Labs' mission is to make DeFi services available to the highest possible number of users, offering them access to financial products built with cutting-edge tech. Required work experience: 2+ years at blockchain and 5+ years overall Responsibilities: • development of backend APIs and libraries using Node JS (TypeScript) + NestJS framework; • weekly participation in the design of architecture and review; • working with Ethereum-like blockchains on RPC API and low level; • code refactoring and metrics monitoring setup (Grafana, Kibana); Requirements: • backend development experience on NodeJS at production; • confident knowledge of TypeScript / JavaScript; • advanced understanding of Ethereum like blockchains (EVM, Node RPC API, state-machine, ABI encoding, callstack traces reading); • deep knowledge of how DeFi protocols work at the smart contract level • having experience with Kubernetes and Docker; Qualifications: • Must have: NestJS (NodeJS + TypeScript), Solidity, Hardhat (or Truffle), microservices pattern, SQL (Postgres), Ethereum-like blockchains experience • Good to have: Golang, Vyper, Flashbots, TheGraph, DuneAnalytics, Tenderly; Terms: • Remote work, flexible hours (our team is distributed around the world). • Young creative team, vibrant environment and adequate leadership. • Suggestions welcome: propose an idea and execute it. • Competitive salary based on a candidate's skills and experience. • Work for a leader in its segment. • Compensation for work equipment. • Annual team building event at an international resort.