Senior Full Stack Engineer at Monese

Led full lifecycle development of dynamic, customer-facing web applications using React, Next.js, and TypeScript, emphasizing performance, accessibility, and SEO optimization. Built and maintained cross-platform mobile apps with React Native and Expo, focusing on smooth UX and native integrations across iOS and Android. Developed scalable server-side logic and RESTful APIs using Node.js, Express, and tRPC, ensuring secure data handling and minimal latency. Architected and maintained microservices using NestJS, Redis for caching, and Kafka for event-driven communication. Integrated third-party services including Firebase, Stripe, and Google OAuth, streamlining authentication and payment processes. Worked with Nx monorepo setups to manage multiple apps and shared packages in a unified codebase. Wrote comprehensive unit and integration tests with Jest, Cypress, and Testing Library, supporting a high-coverage CI pipeline. Owned DevOps processes — containerized services with Docker, deplo

Software Engineer at Bet-at-home.com AG

Built and maintained frontends using React, Redux, and Material UI, delivering features with optimized performance and pixel-perfect UI. Developed API endpoints and backend services in Node.js and Express.js, using MongoDB and TypeORM for data persistence. Implemented real-time features with Socket.IO and handled background tasks through RabbitMQ. Contributed to microservice infrastructure deployment with Docker on GCP, incorporating Nginx for load balancing and API gateway configuration. Applied testing practices using Jest for unit tests and Cypress for end-to-end scenarios. Collaborated in a monorepo environment managed with Nx, ensuring consistent structure across frontend and backend projects.

Full Stack Software Engineer at Freeletics

Developed responsive interfaces using React and later contributed to migration efforts toward Next.js. Created and maintained backend APIs in Python and Django, integrating Redis for session caching and OpenSearch for fast querying. Worked with Firebase Authentication and integrated Google Maps API for geo-based features. Managed deployments and workflows via CI/CD pipelines, containerizing apps using Docker and pushing to AWS ECS. Collaborated in an Agile environment using Jira, Figma for designs, and Git for version control and code reviews.