(Senior) Fullstack Engineer - Node/React

About the role As a Senior Fullstack Engineer, you will build and evolve our casual gaming eCommerce platform end-to-end, driving technical direction with broad expertise across web and cloud systems. Actively shape and evolve our code structure and architecture, and drive technical decisions forward Design and implement new features for our casual eCommerce platforms, from architecture through deployment andmonitoring Build performant, reliable and secure backend services with Node.js, TypeScript and NestJS Develop frontends with Next.js and React, optimized for page speed and SEO Ensure high availability and performance of our production systems Improve observability, code quality and code structure Mentor colleagues, review code and share knowledge across the team Suggest new ideas to improve our products for our customers Identify technical risks and obstacles early, and take ownership of solving them Requirements Bachelor's degree in Software Engineering, Computer Science or equivalent professional experience Senior engineering experience with RESTful APIs and single page applications Proven track record of driving architecture and code structure in a production system Strong experience with Node.js and TypeScript, including NestJS Solid experience with Next.js and React Experience with Google Cloud or comparable cloud infrastructure (e.g. Cloud Run or similar container platforms) Good knowledge of PostgreSQL or another SQL database, and TypeORM or another ORM Experience optimizing web pages for speed and SEO Ability to work independently, set priorities and move topics forward with little supervision Excellent critical and analytical skills Strong written and verbal English communication skills Comfortable working in an agile environment with common Scrum ceremonies What would be a plus Experience with GitLab CI/CD or comparable pipelines Experience with observability tooling (OpenTelemetry, tracing, metrics, logging) Experience with eCommerce or payment/subscription integrations Knowledge of containers (e.g. Docker) and Kubernetes Written and verbal German communication skills