Senior Backend Engineer (Node.js)

Scrambly is a rapidly growing adtech startup that is redefining app discovery through a reward-powered ecosystem. We are looking for a Senior Backend Engineer to join our team and help build the core systems that support millions of users globally.

Key responsibilities

• Design, build, and maintain high-performance, scalable backend services and APIs using Node.js and NestJS.
• Propose and implement architectural improvements for core systems with a focus on long-term scalability and maintainability.
• Champion high code quality through constructive code reviews, technical guidance, and mentorship of other engineers.
• Monitor system performance, identify bottlenecks, and collaborate with DevOps to ensure infrastructure reliability.
• Translate product requirements into robust technical specifications while working closely with cross-functional teams.

Requirements

• 5+ years of software engineering experience with a strong focus on backend development.
• Strong proficiency in Node.js and modern frameworks like NestJS.
• Excellent system design skills and a solid understanding of distributed systems and RESTful APIs.
• Experience with cloud platforms, containerization tools like Docker, and orchestration technologies.
• Proficiency with relational and NoSQL databases, as well as message queues.
• Upper-intermediate or higher proficiency in English for effective communication in an international team.

What we offer

• The opportunity to work on systems where performance optimizations have an immediate impact on millions of users.
• A collaborative culture focused on code reviews, knowledge sharing, and mentorship.
• A fast-paced environment where your contributions quickly translate into real user value.
• A flexible, fully remote working environment with paid vacation, sick leave, and holiday benefits.