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Backend Engineer
Dubai Office
Product ā Backend /
Full-time, Office /
On-site
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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
Experience 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
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
- Weāre open to new ideas ā if youāve got a vision, pitch it and make it happen
- Enjoy competitive pay that matches your skills and experience
- Be part of a company thatās shaping the future of DeFi
- Take time when you need it ā we offer unlimited vacation days
- Get fully compensated for your work gear ā weāll set you up for success
- Travel with us! We host an annual team retreat at a top international location
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What does a blockchain developer do?
A blockchain developer is a software developer who specializes in the development of applications that make use of blockchain technology
Some of the responsibilities of a blockchain developer may include:
- Designing and implementing smart contracts.
- Creating and maintaining the infrastructure that supports the blockchain network, and developing user-facing applications that make use of the blockchain.
- Additionally, a blockchain developer may also be responsible for researching and staying up-to-date with the latest developments in blockchain technology, in order to ensure that their applications are secure and efficient.