Working at a health-tech company based in Munich that develops software and apps to support people with rare diseases

• Developed new REST API endpoints using Ruby on Rails to serve data to React app
• Implemented integrations with third-party partner for data analysis and processing
• Conducted code reviews and managed deployments to QA environment
• Maintained up-to-date API documentation
• Refactored app's Docker implementation and created comprehensive Docker documentation
• Started phased upgrade of codebase from Ruby 3.1 to 3.4 and Rails 6.1 to 8.0.1

Supported pan-European civil-military organization dedicated to supporting European aviation

• Enhanced system functionality and implemented new features using Ruby on Rails stack
• Worked with Docker, Oracle database and Microsoft Azure for CI/CD

Worked on platform for marketing makers that inspire, inform and create networking opportunities

• Developed back-end features for OMR tech festival B2C team
• Used Ruby on Rails, GraphQL, Kubernetes and Google Cloud

Enhanced internal tools for XING, the leading job network in German-speaking countries

• Enhanced Feature Switch and Experiment tool for A/B testing
• Worked on Ruby on Rails 7 MVC application with RSpec testing
• Utilized MySQL database within Kubernetes-based infrastructure

Worked on comprehensive video engagement platform managing meetings, webinars, and virtual events

• Developed new features for room meeting sessions
• Enhanced internal admin tools using Ruby on Rails
• Worked with Vue.js frontend consuming data via GraphQL

Worked on XING Premium Features team creating new API applications

• Created new API application from scratch handling over 100,000 requests per day
• Migrated existing business rules and resources from unrelated application
• Used Ruby on Rails, GraphQL, and React in dockerized Kubernetes environment
• Received in-company training in Elixir and contributed to small API application

Worked on e-commerce platform as a service with thousands of merchant clients worldwide

• Contributed to system improvements and developed new features
• Worked on frontend and backend using Ruby on Rails, Padrino, Sinatra, React, and Webpack