The Book-n-drive platform is one of Germany's biggest car-sharing applications, storing over 10K cars across Germany, with each car location being updated once every minute. Served as a lead developer for almost 3 years. Engineered the solution from the ground up with the project team using Java/Node.js for the back end and one Python service. The front end was initially developed using Angular but was rewritten in React. The mobile apps were also written in native languages, later changed to React Native, making the code 70% sharable between the web app and mobile apps.
Developed an investment tool that can easily handle over 5GB of data per day. It receives data from multiple sources and transfers it to the company's database before being served to clients. The process of data collection, processing, and transfer took place within a 3-hour window (5-8 AM). The tool had 3 different services: an importer written in C# (requested by client), an API that crunches and processes the numbers (PHP), and the front end written in Angular.
Motiff Network's platform makes finding and hiring pre-screened, highly skilled talent and product teams simple and easy. Worked as a lead developer on the project, providing both front-end and back-end expertise. Developed the front end in React and the back end in Node.js and Java. Engineered the Node.js solution to act as a middleware so the real API on the solution is not exposed. It gives access to multiple users/clients.
Welltok operates a platform that helps users find the correct health plan on the market. Provided expertise in resolving complex technical issues from poor architectural structures to implementation mishaps on the core platform. Reconfigured the platform with new and modern tech stacks and successfully delivered the next few iterations.