Senior Software Engineer, Backend (TypeScript)
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.
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're looking for an enterprise-oriented Senior Software Engineer with a focus on structure and scalability. You'll be responsible for developing high-performance, scalable backend systems for our core infrastructure, including services like History, Tokens, Prices, and BFF. This role requires expertise in the Node.js ecosystem, including Nest.js, as well as experience with microservices architecture and various storage and monitoring tools.
You'll need a basic knowledge of blockchain technologies and be comfortable working in a Scrum-based, agile environment. The position is based on a hybrid schedule, with a minimum of three days per week on-site in our Dubai office.
Requirements
Responsibilities Designing and implementing scalable microservices and high-performance APIs using Nest.js. Ensuring low latency and high throughput in service architecture. Writing clean, maintainable, and well-documented code while following internal coding standards. Monitoring technical and business metrics and setting up alerting systems for early incident detection. Performing regular profiling and system performance analysis to optimise backend components, including database queries and response times. Participating in code reviews and engaging in architecture discussions and sprint planning sessions. Promoting best engineering practices across the team. Ensuring backend systems are secure, scalable, and resilient. Applying industry best practices for data protection and system design. Proactively identifying and mitigating system vulnerabilities. Staying updated with emerging backend technologies and introducing new tools and practices to enhance team efficiency. Continuously seeking ways to improve system architecture and performance Requirements 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 Nice To Have Nest.js Knowledge of event-driven architecture Knowledge of Web3 libraries (ethers.js, web3.js) for blockchain interactions 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
About 1inch
1inch is at the forefront of the decentralized finance (DeFi) revolution, building innovative solutions that empower users with greater control and efficiency over their digital assets. As a leading DEX aggregator, we specialize in developing sophisticated algorithms that scour multiple decentralized exchanges to find and execute optimal trading paths, ensuring the best possible prices and lowest fees for our users. Our mission is to make DeFi accessible, secure, and highly performant for everyone, contributing to a more open and transparent financial future. Our culture at 1inch is driven by a passion for cutting-edge technology, constant innovation, and a collaborative spirit. We foster an environment in Dubai where brilliant minds can thrive, tackle complex challenges, and contribute directly to the evolution of Web3. We value independent thinking, proactive problem-solving, and a commitment to excellence, encouraging our teams to push boundaries and redefine what's possible in the blockchain space. Joining 1inch means becoming part of a dynamic, globally distributed team that is shaping the future of finance. We offer unparalleled opportunities for professional growth, allowing you to work on impactful projects with a direct influence on our product and community. If you are eager to make an indelible mark in blockchain technology and decentralized finance, and want to contribute to an organization that values innovation and impact, explore our open positions and build the future with 1inch.
Ready to Apply?
To submit your application for this position, please visit 1inch's official website and follow their application process.