Senior Full-stack/Front-end Engineer | Solution Architect

11/2021 – offen

Re-designed corporate website (-Hyperlink entfernt-) and refactored the codebase (React, Redux, PostCSS, Webpack, Contentful). Developed, maintained and applied various scripts to transform, parse and migrate huge amounts of data from Excel files to Firestore Database. Implemented and updated different Firebase Functions. Executed a migration of a complex Contentful data structure.

Full-Stack

7/2020 – 7/2022

Designed and created the architecture of a complex multi-language and multi-country platform for healthcare professionals. Implemented various features such as content management flow (Contentful APIs and tools, GitLab CI/CD, Next.js), virtual event streaming (Zoom API, Brightcove CDN), custom registration and validation processes (Akamai Identity Cloud, GraphQL, DynamoDB), automatic deployments to AWS (Terraform, AWS, GitLab CI/CD), UI component library (React, TypeScript, styled-components, Storybook), URLs and content localization (Next.js, Lokalise), learning management system (React, GraphQL, SCORM). Led various processes and communication between Engineering, Product, and Stakeholder teams.

Software Architecture

4/2020 – offen

Designed and created a platform called distry — a service where users can find a lot of useful information about neighborhoods of their city, including but not limited to interactive maps, user reviews, and ratings of districts, based on safety, cost of living, family-friendliness, nightlife, and other metrics. The tech stack: AWS serverless Lambda functions, Node.js, React, Redux, Auth0, FaunaDB, Gatsby, Netlify CMS, Mapbox, Facebook and Google APIs, PWA.

Backend, Front End, User Experience (UX), Web Entwicklung

7/2018 – 5/2020

Migrated platform’s Startpage to a modern front-end stack (React, Redux, Node.js, Express, Webpack, GraphQL). Decoupled an old monolith Ruby on Rails application into BE and FE apps. Improved loading time of the page by 60% by reorganising React components tree. Increased test coverage of the product from 40% to 90% with the help of Jest, enzyme, Selenium WebDriver, and other internal tools. Developed a complex tracking system using Intersection Observer and Beacon API. Participated in Front-end and Back-end communities of practice. Improved onboarding process of new employees by creating detailed guides, how-to’s, and documentation. Mentored interns and junior developers.

Front End, Full-Stack, Web Entwicklung

4/2016 – 7/2018

Built from scratch a browser version of a MMO game (-Hyperlink entfernt-) using JavaScript, React, HTML5 Canvas and CSS. Managed to automate some routine job (e.g. translations update, pre-deployment operations, sprite replacement) with Python. Increased performance of the game by 65% after refactoring the graphical engine. Designed a React components library, which is used across different projects of the company.

Softwareentwicklung (allg.)

8/2015 – 4/2016

Created web pages and interfaces for sites with more than 10 million unique users each month (e.g. -Hyperlink entfernt-, -Hyperlink entfernt-, etc.) using JavaScript, PHP, CoffeeScript, jQuery, CSS and HTML. Designed and developed a special admin tool for managing and approving new articles with React and Reflux, which improved communication between managers and freelance journalists. Built an image editing tool (adding watermarks, filters, cropping) with React.

Web Entwicklung

1/2014 – 8/2015

Developed different landing pages, websites, e-commerce projects using WordPress, Magento, PHP, JavaScript, jQuery, CSS, and HTML. Designed and maintained WordPress plugins and themes.

Web Entwicklung