about
Full-stack developer with 7+ years of experience building scalable web platforms in fintech and e-commerce. Strong in TypeScript, React, Node.js and AWS. Led teams of 5 engineers, introduced CI/CD and cut release time from weeks to days.
experience
Senior Full-Stack Developer
Apr 2022 – Present
Northwind Pay GmbH · Berlin
- Lead a team of 5 engineers building the merchant dashboard (React, Node.js)
- Designed a payment API handling 2M+ requests per day on AWS
- Reduced page load time by 45% through code splitting and caching
- Mentor junior developers and run weekly code reviews
Web Developer
Mar 2019 – Mar 2022
Cartly Commerce · Amsterdam
- Built product search and checkout features for an online store with 500k users
- Migrated a PHP monolith to microservices with zero downtime
- Introduced automated testing (Jest, Cypress), raising coverage to 80%
Junior Developer
Sep 2017 – Feb 2019
Blue Ocean Systems · Hamburg
- Developed internal tools with Laravel and Vue.js
- Maintained MySQL databases and wrote reporting queries
education
B.Sc. Computer Science
2013 – 2017
Rhine Technical University · Cologne
projects
Open-source Form Validator
2020 – today
Creator & maintainer
github.com/lucasbecker/formcheck
TypeScript validation library with 1.2k GitHub stars and 40 contributors.
key achievements
Cut release time from 2 weeks to 2 days
Introduced CI/CD with automated tests across 6 services.
Speaker at European Web Developers Summit 2024
Talk: "Scaling a payment dashboard to 1M merchants".
references
Sarah MitchellCTO, Northwind Pay GmbH · Current manager · s.mitchell@example.com