CTO2021 - PRESENTRoombles
Technologies: PHP, Laravel, AWS, MySQL, React, React Native, APIs, RESTful APIs
- Developed a React Native app that combines experiences of TikTok and Groupon.
- Built the scalable architecture on AWS Cloud and utilized the Laravel framework to create an API that powers the mobile apps.
- Worked on the whole project (built under 100 days) and from idea to launch in just under three months.
Partner Engineer2019 - 2021
Technologies: SQL, PHP, React Native, React, APIs, RESTful APIs, Python
- Integrated various partners (Shopify, PayPal, SumUp, Square) to a new Facebook initiative (Local Gift Cards) that helps small businesses affected by COVID. Gave technical guidance and built internal tools to accommodate the various needs of partners.
- Built technical solutions to unlock partner potential and scale growth and integrated high-value sellers in the EMEA and NA region for Instagram Checkout (H&M, Zara, L'Oreal).
- Worked closely with the engineering teams to deliver Facebook Shops: a new shopping solution from Facebook.
CTO2016 - 2019Gebraucht.de
Technologies: Amazon Web Services (AWS), Amazon ECS (Amazon Elastic Container Service), Docker, Elasticsearch, AWS, Redis, MySQL, Laravel, PHP, React Native, HTML, CSS
- Led the development of a marketplace model eCommerce project with a focus on the RESTful API.
- Assembled a team of six developers and coordinated the work of 12 remote mobile developers.
- Responsible for the back-end and front-end development and the infrastructure of the whole project.
- Set up the development processes and workflows and applied Agile methodologies.
- Delivered a high-performance, durable, and scalable architecture that handled a large number of visitors while continuously enabling the high pace of change and innovation.
- Utilized the AWS infrastructure, Elasticsearch, Redis, MySQL, and message queues.
Senior Software Engineer2014 - 2016Rocket Internet
- Worked as a core developer in cross-functional teams for various international companies with millions of customers.
- Launched ventures from concept to production while meeting strict deadlines.
- Created Nestpick's platform to search apartments in the biggest rental aggregator.
- Integrated a solution for Foodpanda's AAA partners (McDonald's, Pizza Hut, Domino's Pizza, and KFC).
- Built Everjobs: a career-listings platform for international markets.
- Optimized, for Skyscale, Rocket’s core marketplace system Alice&Bob used by Zalando.
- Developed Burger King Germany's food delivery solution based on the Foodora codebase.
- Implemented performance and load testing for Pizzabo.it and Foodpanda.
PHP Developer2013 - 2014Currys PC World
Technologies: Redis, Varnish, MySQL, PHP, HTML, CSS
- Optimized the page speed and implemented a caching mechanism using Varnish for various e-merchant clients (A.P.C., Monnier Freres) resulting in an average 3x increase in load speed.
- Implemented new features on an eCommerce solution for the largest electronic retailer in the UK: Currys.
- Composed a new algorithm for category selection in the catalog that decreased the churn rate by 20%.