Senior Software Engineer, Backend (Next.JS)

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.

Preferred Qualifications

• 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

Benefits

• 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 the Company

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.