1inch is the DeFi ecosystem building financial freedom for everyone. 1inch products help users and builders trade, hold and track digital assets—with self-custody, security and an intuitive user experience to unlock true crypto ownership. 1inch protocols and APIs provide core infrastructure across the DeFi industry and beyond. We’re looking for an enterprise-oriented Senior Software Engineer with a focus on structure and scalability.
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. The position is based on a hybrid schedule, with a minimum of three days per week on-site in our Dubai office.
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
Travel with us! We host an annual team retreat at a top international location
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