Back End Developer

1inch Labs; United Arab Emirates; Hybrid; USD 60,000 - 120,000; Full time

Job summary

An innovative company is seeking a Senior Backend Engineer to develop high-performance backend systems. In this role, you will leverage your expertise in Node.js and microservices architecture to create scalable solutions for a rapidly growing infrastructure. You'll be part of a dynamic team that values creativity and encourages new ideas, all while working in a supportive environment. With competitive compensation and unlimited vacation days, this position offers a unique opportunity to contribute to the future of decentralized finance. If you are passionate about technology and thrive in an agile setting, this role is perfect for you.

Benefits

Unlimited vacation days

Competitive pay

Work gear compensation

Annual team retreat

Qualifications

• Experience in fintech, DeFi, or crypto projects.
• Proficient in Node.js/TypeScript with strong SQL skills.
• Knowledge of CI/CD pipelines, Docker, and Kubernetes.

Responsibilities

• Develop and maintain scalable microservices using Nest.js.
• Monitor technical metrics and set up alerting systems.
• Ensure backend systems are secure, scalable, and resilient.

Skills

Node.js

TypeScript

SQL

PostgreSQL

Redis

NATS

Kafka

Prometheus

Grafana

Blockchain fundamentals

Web3

Solidity

CI/CD

Docker

Kubernetes

Problem-solving

Proactive communication

Tools

Nest.js

Event-driven architecture

Web3 libraries (ethers.js, web3.js)

Job description

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 basic knowledge about blockchain technologies. Contributor responsibilities related to the development of services for the whole 1inch infrastructure (e.g. History, Tokens, Prices, BFF).

Key Responsibilities

Backend Development & API Design

• Develop and maintain scalable microservices using Nest.js
• Design and implement high-performance APIs and backend systems
• Ensure low latency and high throughput in service architecture
• Write clean, maintainable, and well-documented code
• Follow internal coding standards and development guidelines

System Monitoring & Reliability

• Monitor technical and business metrics (latency, error rates, uptime)
• Set up alerting systems for early incident detection
• Perform regular profiling and system performance analysis
• Optimize backend components, including database queries and response times

Code Quality & Collaboration

• Participate in code reviews to ensure quality and consistency
• Engage in architecture discussions and sprint planning sessions
• Promote best engineering practices across the team

Security & Scalability

• Ensure backend systems are secure, scalable, and resilient
• Apply industry best practices for data protection and system design
• Identify and mitigate system vulnerabilities proactively

Innovation & Continuous Improvement

• Stay updated with emerging backend technologies
• Introduce new tools and practices to enhance team efficiency
• Continuously seek ways to improve system architecture and performance

What You'll Need

Experience

• 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

Will be considered an advantage:

• Nest.js
• Knowledge of event-driven architecture
• Knowledge of Web3 libraries (ethers.js, web3.js) for blockchain interactions;

Mindset

• Open to a hybrid schedule in the Dubai office (minimum 3 days per week on-site)
• Enterprise-oriented mindset with a focus on structure and scalability
• Comfortable working in a Scrum-based, agile environment

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