Billy Rotich
Software Engineer at T-Mobile
Amsterdam, North Holland, Netherlands
Summary
👤
Senior🎓
Top SchoolBilly Rotich is a seasoned full-stack software engineer with 11 years of experience building reliable, testable systems across data pipelines, real-time bidding platforms, and web applications. Based in Amsterdam, he has shipped production services at companies including T-Mobile, Vistar Media, Coolblue and MobPro, working with Python, Airflow, Kafka, Druid and modern web stacks. He emphasizes clean, modular code, thorough documentation and automated testing, which he pairs with a strong interest in data structures and algorithms to solve performance-sensitive problems. Billy has hands-on experience scaling multi-tenant SaaS platforms and orchestrating data workflows, and he often drives integrations, internationalization and automation efforts. Colleagues rely on him for readable, well-documented solutions that ease maintenance and onboarding, reflecting a developer-first mindset that benefits both product and team.
11 years of coding experience
10 years of employment as a software developer
Bachelor of Science (B.Sc.) Telecommunication and Information Engineering, Bachelor of Science (B.Sc.) Telecommunication and Information Engineering at DEDAN KIMATHI UNIVERSITY OF TECHNOLOGY (DeKUT)Kenya Certificate of Secondary Education High School/Secondary Diplomas and Certificates, Kenya Certificate of Secondary Education High School/Secondary Diplomas and Certificates at THE LENANA SCHOOL
English, Swahili, Dutch
Github Skills (64)
django10
api10
python9
server9
rest9
nodejs9
undelete9
react8
dialog8
soft-delete8
javascript8
sweetalert8
react-native7
ui-components7
ios7
Programming languages (5)
Github contributions (5)
rawteech/swara
Apr 2017 - May 2017
Contributions:89 commits, 13 pushes, 1 branch in 1 month
rawteech/rawteech.github.io
Sep 2017 - Apr 2021
Contributions:12 pushes, 1 branch, 2 issues in 3 years 7 months
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.