Developed backend services in Node.js and TypeScript, processing tens of thousands of daily events with AWS infrastructure. Contributed to the migration of over 100 fleets. Implemented AWS Lambda functions and microservice communication via Kafka and RabbitMQ. Maintained test coverage above 90% using Jest and managed infrastructure via Docker, Kubernetes, and Terraform in an agile international team.

Developed frontend features for the Smiles mobile application using React Native. Implemented event tagging for product analytics and utilized continuous integration and Git version control.

Implemented new features and bug fixes for internal web systems using HTML, CSS, JavaScript, and C# in an ASP.NET environment.

Developed the frontend of an invoice issuing system using React.js, JavaScript, HTML, CSS, and Kendo UI. Managed financial control and budget reporting for the junior company.