Andreas – React, Typescript, Node.js

AI-powered SaaS platform aiming to simplify and speed up website design & development.

• Designed microservices in Node.js, Rust, and Python;
• Architected modular, server-driven UI components with React and Next.js to enable scalable experimentation across user segments;
• Built and deployed containerized applications to AWS with Docker, ECS, and Lambda;
• Implemented Lambda functions to process user input with AI and generate tailored UIs;
• Optimized CI/CD pipelines with Jenkins and GitHub Actions;
• Implemented complex state management;
• Provided technical leadership to mid-level and junior developers;
• Wrote unit, integration, and end-to-end tests.

An automation tool for the client that performs complex operations, which would normally take days, in just a few clicks, featuring robust authentication and role management, detailed logging, and rollback functionality.

• Was in charge of creating the front-end architecture;
• Developed a front-end components library;
• Championed test-driven development with Jest and Cypress, reducing regression bugs by 40% across releases;
• Integrated GraphQL and RESTful APIs;
• Communicated with clients to translate business needs into technical functionalities.

An e-commerce platform specializing in reselling cloud services and providing detailed sales-based analytics.

• Created front-end architecture;
• Built a front-end components library;
• Implemented CI/CD pipelines using GitHub Actions and Jenkins;
• Integrated GraphQL and RESTful APIs to create reusable client-server contracts and support secure authentication workflows.

An organization portal that introduced the team members and allowed users to participate in and donate to specific projects.

• Worked on developing user-friendly UI using React, Next.js, and Ruby on Rails;
• Developed server-side pages for better SEO;
• Integrated application with multiple providers;
• Created unit, integration, and end-to-end tests;
• Built a front-end components library;
• Debugged and resolved application issues.

Minute of glory:

• Implemented new functionalities following successful A/B tests that improved the conversion rate by 3%.