Job Overview
We are seeking a Senior Backend Engineer to join our team at 1inch Labs, a leading software services provider in the crypto and DeFi sectors. This role involves developing cross-chain solutions, refining the Fusion algorithm, and working with the Aggregation Protocol and trading services.
Responsibilities
- Development of backend APIs and libraries using Node.js (TypeScript) and the NestJS framework.
- Design scalable and cost-efficient services for trader actors in DeFi: users and external/in-house bots.
- Collaborate closely with smart contracts developers.
- Work with EVM blockchains.
- Monitor system performance using tools like Grafana, Grafana Cloud Logs, and Prometheus.
- Write unit, integration, end-to-end, and stress tests.
Requirements
- Backend development experience in NodeJS in production environments.
- Confident knowledge of TypeScript / JavaScript.
- Advanced understanding of EVM and L2s blockchains (Node RPC API, state-machine, ABI encoding, callstack traces reading).
- Deep knowledge of how DeFi protocols work at the smart contract level.
- Experience with Kubernetes and Docker.
- Deep understanding of network protocols: WebSocket, HTTP.
Qualifications
- Must have: NestJS (NodeJS + TypeScript), Solidity, Hardhat (or Truffle), microservices pattern, Postgres, Redis, message queues, EVM blockchains experience.
- Good to have: Solidity, Vyper, Flashbots, DuneAnalytics, Tenderly; Hardhat/Foundry, Knowledge in trading bots/HFT, web3/ethers libs.
Work Environment
- Remote work with flexible hours, allowing you to work from anywhere in the world.
- Join a young, creative team in a vibrant environment with adequate leadership.
- Your suggestions are welcome: propose an idea and execute it.
- Competitive remuneration based on skills and experience.
- Compensation for work equipment.
- Annual team building event at an international resort.
Benefits Extracted with AI
- Remote work
- Flexible hours
- Competitive remuneration
- Compensation for work equipment
- Annual team building event
Similar jobs
Last update: 23 minutes ago
Back End Engineer with Node.js and TypeScript
Join LegalFly as a Back End Engineer to revolutionize legal AI with Node.js and TypeScript in a hybrid role in Ghent.
Senior Software Engineer (Node.js & TypeScript)
Join n8n as a Senior Software Engineer to build AI applications using Node.js and TypeScript. Remote role within Europe.
Senior Software Engineer (Backend)
Join Pass App as a Senior Software Engineer (Backend) to build scalable web3 solutions using microservices, TypeScript, and Node.js.
Senior Backend Engineer (JavaScript & Node.js)
Join Devire as a Senior Backend Engineer specializing in JavaScript & Node.js, working on innovative fintech solutions in a hybrid role in Warsaw.
Senior Full-Stack Developer - TypeScript
Join osapiens as a Senior Full-Stack Developer using TypeScript to build sustainable SaaS solutions.
Senior NodeJS Developer
Join Semrush as a Senior NodeJS Developer to build and enhance digital marketing tools. Work remotely with flexible hours.
Senior Node.js Backend Developer
Join PostNord as a Senior Node.js Backend Developer to drive innovation in our online shipping tool. Work in an agile team with AWS, Node.js, and more.
Senior Backend Engineer (Node.js, Remote)
Join Factor Eleven as a Senior Backend Engineer to develop scalable microservices using Node.js, TypeScript, and AWS in a remote role.
Senior FullStack Developer (React, Node.js, TypeScript)
Join Bloom as a Senior FullStack Developer to enhance our platform using React, Node.js, and TypeScript in a dynamic, hybrid work environment.
Senior Full Stack Engineer - Consumer
Join MoonPay as a Senior Full Stack Engineer in Lisbon, focusing on consumer products using React, TypeScript, and GCP.
Senior Fullstack Engineer (Node.js, React.js, TypeScript)
Join a dynamic team as a Senior Fullstack Engineer in Berlin, working with Node.js, React.js, and TypeScript to revolutionize speech therapy.
Senior Back-end JavaScript Developer
Join Mediahuis as a Senior Back-End JavaScript Developer. Work with Node.js, TypeScript, and Azure in a hybrid role in Antwerp.
Senior Full-stack Engineer (Angular, Node.js, TypeScript)
Join NN Group as a Senior Full-stack Engineer, leading software architecture and development with Angular, Node.js, and TypeScript.
Full-Stack Engineer with Python, React.js, and Next.js
Join our team as a Full-Stack Engineer using Python, React.js, and Next.js to build scalable web applications remotely.
Senior Backend Engineer, LiveOps
Join Tactile Games as a Senior Backend Engineer in Copenhagen, working on LiveOps with Node.js, TypeScript, and React.js.
Senior Backend Developer
Join Motius as a Senior Backend Developer to work on cutting-edge R&D projects using AWS, Docker, GraphQL, and more in a hybrid work environment.
Senior Full Stack Software Engineer
Join Buynomics as a Senior Full Stack Software Engineer, working with TypeScript, ReactJS, and NodeJS in a hybrid role in Cologne.
Senior Fullstack Engineer with TypeScript, React, and Node.js
Join Contentful as a Senior Fullstack Engineer to innovate with TypeScript, React, Node.js, and AI integrations in a hybrid work environment.
Senior Software Engineer (Backend)
Join Bitvavo as a Senior Software Engineer (Backend) to drive innovation in crypto services using AWS, Kubernetes, and TypeScript.
Senior Fullstack Developer with JavaScript and TypeScript Expertise
Seeking a Senior Fullstack Developer with expertise in JavaScript, TypeScript, ReactJS, and AWS for a dynamic role in Brussels.
Remote FullStack Developer (m/w/d)
Join our dynamic IT company as a Remote FullStack Developer, working with JavaScript, Node.js, and Python. Flexible hours and remote work.
Senior Full Stack Engineer - Climate Tech - Rust & TypeScript
Join Climatiq as a Senior Full Stack Engineer to develop climate tech solutions using Rust and TypeScript. Remote work available.
Senior Frontend Engineer with React and TypeScript
Join Polarsteps as a Senior Frontend Engineer in Amsterdam. Work with React, TypeScript, and more in a hybrid environment.
Senior Backend Engineer C++
Join DeepL as a Senior Backend Engineer C++ to design and maintain scalable backend services using C++ and AI technologies.
