Backend Developer (Node.js / TypeScript / Serverless)

We are a growing technology consultancy looking for Backend Developer (Mid/Senior) to join our Delivery team. We specialize in building robust cloud integrations and scalable backend solutions for international enterprise clients. If you are a developer who enjoys solving logic puzzles, working with data structures, and building efficient serverless architectures, this is the place for you. The Role As a Backend Developer, you will be responsible for designing and implementing the core logic that connects complex business systems. You will work in a remote-first, high-standard technical environment. Key Responsibilities: Develop and maintain server-side logic using Node.js and TypeScript. Design and deploy Cloud Functions (Serverless) to handle data processing and system integrations. Build and optimize integrations between CRMs, ERPs, and PIM systems via REST APIs and Webhooks. Ensure code quality through clean architecture, strict typing, and efficient error handling. Occasionally adapt and optimize logic in proprietary scripting languages. Requirements Solid Node.js Experience: Proven track record of building backend services. TypeScript Proficiency: Strong understanding of types, interfaces, and asynchronous programming. Serverless Mindset: Experience with (or strong interest in) Cloud Functions, AWS Lambda, or similar environments. API Integration Expert: Comfortable working with complex JSON structures and third-party API limitations. English Communication: Professional fluency is required. You must be comfortable participating in internal meetings and communicating directly with international clients to discuss technical solutions. Problem-Solver: Ability to read dense technical documentation and find creative solutions to integration challenges. We Offer: Remote work from anywhere in Spain. Competitive salary. Dynamic work enviroment. International team. Flexible working hours.