Senior Back-end Engineer (Node.js)

Job Description

A growing international engineering team is seeking a Senior Back-end Engineer to build and scale high-performance backend systems. This role involves working with modern technologies, contributing to microservices architecture, and solving complex technical challenges in a fast-paced environment. The position is ideal for professionals passionate about backend development, system design, and delivering reliable server-side applications.

Key Responsibilities

• Build robust, scalable backend systems using Node.js
• Design and develop microservices and overall system architecture
• Write clean, maintainable code and improve code quality through testing and code reviews
• Collaborate with engineering and design teams to translate user requirements into technical solutions
• Participate in brainstorming sessions and contribute to product and technology improvements
• Troubleshoot complex issues and deliver solutions within tight deadlines
• Optimize application performance, including scaling and load balancing
• Implement caching strategies using tools like Redis

Requirements

• BSc or MSc in Engineering, Computer Science, or a related field
• Minimum of 4 years’ experience in a similar backend engineering role
• Strong understanding of object-oriented programming and software design principles
• Ability to work independently, prioritize tasks, and meet deadlines in a fast-paced environment
• Experience working in startup or high-growth environments (mobility, on-demand, or fintech is an advantage)
• Strong problem-solving and analytical thinking skills

Technical Skills

• Language: Node.js
• Database: MongoDB or similar databases
• Frameworks: Express.js, NestJS
• Web Architecture: RESTful APIs, microservices
• Version Control: Git
• Containers: Docker, Kubernetes
• Caching: Redis
• Knowledge of web load balancing and system scaling
• OS administration skills
• Understanding of encryption (HTTPS, digital signing)