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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).
The Senior Backend 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 good knowledge about blockchain technologies. Contributor responsibilities related to the development of services for the whole 1inch infrastructure.
Responsibilities:
- Microservices Development: Build and maintain scalable backend microservices using the Nest.js framework.
- API Architecture: Design and implement high-performance, low-latency APIs and backend systems.
- System Reliability: Monitor technical and business metrics, including error rates and uptime, to ensure service stability.
- Performance Optimisation: Conduct regular system profiling and optimise database queries to ensure high throughput.
- Code Excellence: Write clean, well-documented code while strictly adhering to internal standards and development guidelines.
- Incident Management: Set up and manage alerting systems for early detection and proactive mitigation of vulnerabilities.
- Cross-Functional Collaboration: Participate in code reviews, architecture discussions, and agile sprint planning sessions.
- Continuous Innovation: Stay abreast of emerging technologies to introduce new tools that enhance team efficiency and system performance.
Requirements:
- Industry Experience: Proven track record working within fintech, DeFi, or cryptocurrency sectors.
- High-Load Environments: Practical experience developing microservices architecture capable of handling high-load traffic.
- Tech Stack Proficiency: Advanced proficiency in Node.js and TypeScript, supported by strong SQL skills and PostgreSQL experience.
- Infrastructural Knowledge: Familiarity with Redis, message brokers (such as NATS, EMQX, or Kafka), and monitoring tools like Prometheus and Grafana.
- Blockchain Knowledge: A solid understanding of blockchain fundamentals, Web3, and Solidity.
- DevOps Basics: Working knowledge of CI/CD pipelines, Docker, and fundamental Kubernetes concepts.
- Operational Setup: Ability to manage metrics pipelines and configure robust alerting systems.
- Agile Mindset: Experience working within Scrum-based environments with an enterprise-oriented focus on structure.
- Communication & Mindset: A proactive communicator with a quality-driven approach and strong problem-solving abilities.
- Location & Presence: Willingness to adhere to a hybrid schedule, including at least three days per week on-site at the Dubai office.
Skills:
- Backend Engineering: Expert-level API design and backend system development.
- Performance Analysis: Proficient in system profiling and latency reduction techniques.
- Security & Resilience: Skilled in applying data protection best practices and building resilient systems.
- Engineering Leadership: Ability to promote best practices and mentor peers through consistent code reviews.
- Technical Documentation: Capability to produce thorough documentation for complex architectural designs.
Nice to have's:
- Advanced Framework Knowledge: Hands-on experience or deep familiarity with the Nest.js framework.
- Event-Driven Design: Strong understanding of event-driven architecture and asynchronous patterns.
- Web3 Tooling: Experience using Web3 libraries, such as ethers.js or web3.js, for direct 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
What you need to know about the Belfast Tech Scene
If asked to name the birthplace of the RMS Titanic, you might not say Belfast. Similarly, if asked to name Europe's leading destination for foreign direct investment in new software development, Belfast might not come to mind. Yet, both are true. The city has emerged as a tech powerhouse, recently ranked among the best in the U.K. for tech careers — especially for software developers. It also leads the U.K. with the highest percentage of software development jobs advertised.
