Plamen Kolev
Software Engineer at bol.com
Netherlands
Summary
👤
Senior🎓
Top SchoolPlamen Kolev is a seasoned Software Engineer with 11 years of experience building scalable web and backend systems across e‑commerce and travel platforms. He’s delivered high-impact work at bol.com, Booking.com and The Hut Group, breaking monoliths into Dockerized microservices and improving platform reliability with observability tooling like Prometheus and Jaeger. Equally comfortable in Java, Python and JavaScript, he has driven both front-end component reuse (used by partners like Ryanair) and backend optimizations such as a crane retrieval algorithm that cut warehouse costs by 20%. A Newcastle University graduate with First Class honours, he combines strong engineering discipline and on-call troubleshooting experience with a practical knack for simulation and automation to reduce defects and accelerate delivery.
11 years of coding experience
4 years of employment as a software developer
Bachelor's degree, Computer Science, Bachelor's degree, Computer Science at Newcastle UniversityBertolt Brecht
English, German, Dutch
Github Skills (16)
wireless10
bluetooth10
keyboard10
nrf529
firmware9
zephyr8
react2
music2
youtube2
responsive2
react-responsive2
mojo1
django1
python1
nextjs1
Programming languages (7)
Github contributions (5)
plamen-kolev/portfolio
Feb 2017 - Jan 2025
Contributions:68 pushes, 4 branches in 8 years
plamen-kolev/plamen-kolev.github.io
Aug 2016 - Feb 2020
Contributions:70 pushes, 1 branch in 3 years 6 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.