Backend Developer (Node.js) – Integration & Backend Team

Backend Developer (Node.js) – Integration & Backend Team  Work model: fully remote in RomaniaAssignment type: B2B Project length: 6 months + extensions. Project language: English. Industry: Ad Tech industry About the RoleWe are looking for a Backend Developer to join our Integration & Backend team. You will build robust, scalable microservices that power our platform, using Node.js, Nest.js, and TypeScript.   Responsibilities • Develop and maintain backend microservices using Node.js and Nest.js. • Ensure scalability, performance, and reliability across backend systems. • Collaborate with frontend teams and product owners to deliver features. • Contribute to code reviews, testing, and continuous integration. • Support the design and improvement of backend architecture. Key Requirements • Strong experience with Node.js, Nest.js, and TypeScript. • Proven track record in building scalable backend microservices. • Familiarity with serverless frameworks such as AWS Lambda. • Experience working in agile teams. • Previous experience with SaaS, e-commerce, or Adtech is meritorious.