1inch Labs
Senior Software Engineer [Node.js]
1inch LabsUnited Arab Emirates6 days ago
Full-timeRemote FriendlyEngineering, Information Technology
The Senior Software Engineer role focuses on developing high-performance, scalable backend systems, requiring expertise in node.js ecosystem (including Nest.js), microservices architecture design, monitoring tools, and different kind of storages. Contributor required to have a basic knowledge about blockchain technologies. Contributor responsibilities related to the development of services for the whole 1inch infrastructure (e.g. History, Tokens, Prices, BFF).

Backend Development & API Design


  • Develop and maintain scalable microservices using Nest.js
  • Design and implement high-performance APIs and backend systems
  • Ensure low latency and high throughput in service architecture
  • Write clean, maintainable, and well-documented code
  • Follow internal coding standards and development guidelines



System Monitoring & Reliability


  • Monitor technical and business metrics (latency, error rates, uptime)
  • Set up alerting systems for early incident detection
  • Perform regular profiling and system performance analysis
  • Optimize backend components, including database queries and response times



Code Quality & Collaboration


  • Participate in code reviews to ensure quality and consistency
  • Engage in architecture discussions and sprint planning sessions
  • Promote best engineering practices across the team



Security & Scalability


  • Ensure backend systems are secure, scalable, and resilient
  • Apply industry best practices for data protection and system design
  • Identify and mitigate system vulnerabilities proactively



Innovation & Continuous Improvement


  • Stay updated with emerging backend technologies
  • Introduce new tools and practices to enhance team efficiency
  • Continuously seek ways to improve system architecture and performance



Experience Required

  • Previous experience working in fintech, DeFi, or crypto projects;
  • Experience with microservices architecture in a high-load environment;
  • Experience setting up and managing metrics pipelines and alerting systems;



Skills

  • Proficient in Node.js/TypeScript with strong SQL skills and PostgreSQL experience
  • Familiar with Redis, message brokers (e.g. NATS, EMQX, Kafka), and monitoring tools (Prometheus, Grafana)
  • Good understanding of blockchain fundamentals, Web3, and Solidity
  • Knowledge of CI/CD pipelines, Docker, and basic Kubernetes concepts
  • Strong problem-solving abilities, proactive communication, and quality-driven mindset



Will be considered an advantage


  • Nest.js
  • Knowledge of event-driven architecture
  • Knowledge of Web3 libraries (ethers.js, web3.js) for blockchain interactions;



Mindset


  • Open to a hybrid schedule in the Dubai office (minimum 3 days per week on-site)
  • Enterprise-oriented mindset with a focus on structure and scalability
  • Comfortable working in a Scrum-based, agile environment



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



Join us in shaping the future of DeFi with 1inch!🦄

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