Senior Node.js Engineer

Avenga is an international engineering firm helping businesses operate with AI at the core. With 6,000+ experts worldwide, we combine engineering expertise with AI-native thinking to turn ambitious ideas into real-world impact across industries, technologies, and markets. At the core of the role We are looking for a Senior Node.js Engineer to join an international team working on a long-term project in the banking domain. You will develop and maintain business-critical Banking-as-a-Service (BaaS) APIs and event-driven systems using AWS serverless technologies, contributing to architectural decisions, system reliability, and continuous technical improvements. Core skills you’ll bring 5+ years of backend engineering experience, including at least 2 years with Node.js and TypeScript. Solid experience with AWS serverless services (Lambda, SQS, API Gateway, EventBridge, DynamoDB, S3). Strong understanding of design patterns and software architecture. Hands-on experience with Infrastructure as Code (preferably Terraform and CDK). Experience with TypeScript testing (unit, integration, system). Experience with event-driven architectures (e.g., Kafka). Familiarity with RESTful APIs and OpenAPI specifications. Strong problem-solving, communication, and collaboration skills. English — Upper-Intermediate or higher. Nice-to-have Experience with monorepo setups (pnpm workspaces or similar). Knowledge of relational databases (MySQL) and ORMs (Prisma). Experience with NoSQL databases. German language skills. The impact you'll create Develop and maintain scalable BaaS APIs and event-driven backend services. Contribute to architecture, technical design, and secure, reliable solutions. Improve CI/CD pipelines, testing, and deployment processes. Ensure production reliability through on-call support, incident investigation, and issue resolution. Collaborate with internal teams and external partners on system integrations. Drive technical improvements and share engineering best practices.  What supports your journey Attractive benefits package, including health insurance. Professional growth through mentorship, training, and certifications. Supportive work environment with opportunities for continuous development. People are at the core of Avenga. We provide equal opportunities regardless of race, ethnicity, gender identity, sexual orientation, disability, age, religion, or any other characteristic. We are committed to a respectful environment where everyone can be themselves, share their ideas, and feel that they belong.