1inch

Senior Software Engineer, Backend (Nest.js)

Reposted 22 Days Ago

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Dubai

Senior level

Blockchain • Fintech • Software • Financial Services • Cryptocurrency • Web3

A distributed network for decentralized protocols enabling the most lucrative, fastest and protected operations in DeFi.

The Role

The role involves designing scalable microservices, optimizing backend systems, ensuring security, and monitoring performance metrics while fostering best practices within the engineering team.

Summary Generated by Built In

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.

As a Senior Backend Engineer (NestJS), you will build and maintain scalable, secure, and high-performance backend services that power our enterprise and Web3 products. You’ll also work on clean architectural patterns, contribute to event-driven backends using Kafka or similar tools. Your work will directly influence our user experience and backend service reliability.

Responsibilities

Design and build scalable, testable, and high-performance backend services using NestJS
Maintain and evolve existing backend applications with a focus on architecture, reliability, and performance
Implement clean architecture and reusable components, following industry best practices
Implement event-based architecture patterns using Kafka or similar technologies
Participate in code reviews to ensure adherence to team standards and continuous code quality
Contribute to the planning and refinement processes in a product-oriented environment
Write and maintain unit, integration, and end-to-end (E2E) tests based on scope and use case
Work with monorepo tooling to support scalable enterprise applications
Manage and improve CI/CD pipelines for smooth and reliable deployments
Monitor performance and stability of applications using Grafana, Kibana, or similar tools

Requirements

Minimum 5 years of senior-level experience developing large-scale backend systems using TypeScript frameworks that follow modular, dependency-injected, clean architecture patterns (including extensive NestJS expertise)
Experience building RESTful APIs and integrating them with frontend applications

Skills

Proficient with Git, build tools like Webpack, and CI/CD practices
Experience with relational and non-relational databases (e.g., PostgreSQL, MongoDB)
Comfortable debugging and optimising complex backend systems
Set up and maintain monitoring with tools like Grafana or similar
Excellent communication skills in English (written and spoken)

Nice To Have

Strong understanding of HTML, CSS, JavaScript, and the fundamentals of modern web development (useful for cross-team collaboration)
Previous Angular production experience (beneficial when coordinating with frontend teams or working in a shared monorepo)
Experience with Docker, Kubernetes, or other container orchestration tools

Why you'll love working with us