The role entails developing scalable backend systems using Node.js and Nest.js, ensuring high performance and security, and optimizing microservices architecture. Responsibilities also include system monitoring, code quality checks, and collaboration within a fintech context.
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 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.
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.
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
Top Skills
Docker
Emqx
Ethers.Js
Grafana
Kafka
Kubernetes
Nats
Nest.Js
Node.js
Postgres
Prometheus
Redis
Solidity
SQL
Typescript
Web3
Web3.Js
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