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Jobs at 1inch (Now Hiring) — 3 open

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Tech Lead, dApp

Spain · Hybrid

Senior

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 expe…

Skills: TypeScript, Angular, Frontend Architecture, Web3 Integration, State Management

1inch logo1inch

Tech Lead, Backend

Spain · Hybrid

Senior

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 expe…

Skills: Go, TypeScript, Distributed Systems, Event-Driven Architecture, Blockchain Infrastructure

1inch logo1inch

Head of People & Culture

Dubai, Dubai, United Arab Emirates · Hybrid

Senior+

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 expe…

Skills: People Strategy, Talent Acquisition, Organizational Design, Workforce Planning, Leadership Development

1inch logo

Tech Lead, dApp

1inch

Spain • Hybrid

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Senior

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  • Full-time
  • Posted 1d ago
  • ~40 hrs/week

Responsibilities

Lead the technical execution and architecture of the 1inch web dApp with a focus on security and scalability. You will build production code for critical Web3 features and mentor frontend engineers to maintain high engineering standards.

Requirements

Requires 6+ years of professional frontend or full-stack experience with strong proficiency in TypeScript and Angular. Candidates must have proven experience integrating Web3 APIs and implementing secure engineering practices in production environments.

Full job description

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.

\nYour mission
Lead the technical execution, architecture, and engineering excellence of the 1inch web dApp. This is a hands-on technical leadership role where you'll shape the architecture of a security-critical Web3 application used to access decentralized finance. You'll build secure, scalable, and high-performing frontend systems, guide engineering decisions across wallet interactions and blockchain integrations, and help establish engineering standards that balance delivery speed with quality, security, and long-term maintainability.
What you’ll do
  • Lead the technical direction and frontend architecture of the 1inch web dApp, with security as a core design principle.
  • Build production code for critical features, complex Web3 user journeys, and performance-sensitive areas.
  • Design and improve secure integrations with backend services, blockchain APIs, wallet providers, signing flows, approvals, swaps, and transaction lifecycle management.
  • Establish and uphold engineering standards for security, performance, accessibility, testing, and code quality.
  • Drive secure-by-design engineering practices and improve the reliability and resilience of wallet-related functionality.
  • Mentor frontend engineers through technical guidance, code reviews, hiring, onboarding, and ongoing development.
  • Drive the adoption of AI-assisted engineering practices while maintaining rigorous engineering quality, security, and maintainability.
  • Collaborate with product, design, backend, mobile, QA, and analytics teams to deliver scalable, reliable features and improve the long-term health of the platform.
Who you are
  • 6+ years of professional frontend or full-stack development experience, including experience in a senior or technical leadership role.
  • Strong knowledge of TypeScript and Angular, with experience building, shipping, and maintaining large or complex production web applications.
  • Strong understanding of frontend architecture, state management, application design patterns, and performance optimization.
  • Experience integrating REST and Web3 APIs in production environments, including wallet providers, signing, multi-chain user experiences, and libraries such as ethers.js, viem, or web3.js.
  • Experience applying secure engineering practices, threat modelling principles, and securely handling sensitive user and wallet-related data in production environments.
  • Experience with Git, CI/CD pipelines, collaborative code review processes, and AI-assisted engineering workflows with appropriate quality controls.
  • Experience mentoring engineers, raising engineering standards, and communicating effectively with both technical and non-technical stakeholders.
  • Strong ownership mindset and problem-solving skills.
Nice to haves
  • Experience with Nx monorepos, Angular SSR, feature flags, or product analytics.
  • Experience with AI-assisted code review, testing, or security automation in CI.
\n

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.

Related keywords

DeFiWeb3dAppBlockchainTypeScriptAngularEthers.jsViemWeb3.jsFrontend ArchitectureSecurity-by-DesignThreat ModellingNx MonoreposAngular SSRCI/CDState Management

About 1inch

LinkedInVisit site

Integrated DeFi. Financial freedom for everyone.

Industry
Software Development
Company size
51-200 employees
LinkedIn followers
62,752

Enterprise-ready Web3 infrastructure, optimized for agentic trading & development Use the 1inch MCP to integrate faster and build DeFi trading agents: https://business.1inch.com/1inch-mcp 1inch is the DeFi ecosystem building the future of finance. A community of engineers, designers and problem solvers who believe in the power of Web3 to transform the way the world works - and to offer fair and universal access to finance, for everyone. RECRUITMENT SECURITY:  1inch does not use external recruiters. 1inch team members will NEVER contact you directly on LinkedIn or any other platform, or ask you to download or install test assignments if you are not already in an active recruitment process.  If anyone does so, reach out to 1inch Support immediately.

Information TechnologyCryptocurrencyBlockchainDecentralized Finance (DeFi)SoftwareInformation ServicesOpen Source
View all jobs at 1inch

About 1inch

LinkedInVisit site

Integrated DeFi. Financial freedom for everyone.

Industry
Software Development
Company size
51-200 employees
LinkedIn followers
62,752

Enterprise-ready Web3 infrastructure, optimized for agentic trading & development Use the 1inch MCP to integrate faster and build DeFi trading agents: https://business.1inch.com/1inch-mcp 1inch is the DeFi ecosystem building the future of finance. A community of engineers, designers and problem solvers who believe in the power of Web3 to transform the way the world works - and to offer fair and universal access to finance, for everyone. RECRUITMENT SECURITY:  1inch does not use external recruiters. 1inch team members will NEVER contact you directly on LinkedIn or any other platform, or ask you to download or install test assignments if you are not already in an active recruitment process.  If anyone does so, reach out to 1inch Support immediately.

Information TechnologyCryptocurrencyBlockchainDecentralized Finance (DeFi)SoftwareInformation ServicesOpen Source
View all jobs at 1inch

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