Tech stack: Languages: TypeScript, JavaScript, Node.js Architecture: Cloud-based Microservices Cloud Provider: AWS (Amazon Web Services) APIs & Communication: REST API, Message Queues Testing: Unit, Integration, and Load testing tools Requirements: 3-4+years of professional experience in backend development using TypeScript or Node.js. Proven track record with cloud-based microservice architecture. Hands-on experience with cloud deployments, preferably in AWS. Strong understanding of integration patterns, including REST APIs and message queues. Commitment to quality, with experience in test automation (unit, integration, and load testing). Fluency in English(min. B2), with strong communication skills. Project description:Our client is a leading full-service e-mobility provider dedicated to revolutionizing the transport and energy sectors. They provide end-to-end hardware and software charging solutions for both private and public sectors.You will be working on a platform that powers electric vehicle (EV) charging infrastructure. The project involves building and scaling cloud-native microservices that handle real-time data from charging stations, manage user transactions, and integrate with complex energy grids.Join a team of industry veterans building the future of sustainable transport and smart energy systems.Main responsibilities: Develop and maintain robust backend services using TypeScript and Node.js. Design and implement scalable microservice architectures within the AWS environment. Integrate internal systems with external third-party APIs and hardware interfaces. Ensure system reliability through the automation of unit and integration tests. Optimize performance via data/load testing to handle high-concurrency charging scenarios. Collaborate with cross-functional teams to evolve future transport and energy systems. Nice to have: Prior experience in the eMobility industry. Knowledge of industry-specific protocols such as OCPI and OCPP.