Maciej Jagiellowicz
Team Lead at Allegro
Greater Poland Voivodeship
Summary
👤
Senior🎓
Top SchoolMaciej Jagiellowicz is a seasoned team lead with 12+ years at Allegro, overseeing and operating dozens of high-throughput microservices while bridging developer and ops responsibilities. He combines deep Linux systems and monitoring expertise with hands-on Python and Elixir development, and has driven projects that cut mobile content deployment from weeks to minutes and modernized legacy SOAP workflows into RESTful microservices. Comfortable across backend languages (including Kotlin), he excels at automated validation systems and runtime reliability for large-scale internet platforms. An enthusiast of Elixir, Maciej brings an uncommon blend of system-administration rigor and product-focused engineering, consistently turning operational constraints into scalable features.
12 years of coding experience
3 years of employment as a software developer
master degree, Electronics and Telecomunication, master degree, Electronics and Telecomunication at Poznan University of Technology
Github Skills (21)
website-performance10
counter8
daemon6
disk6
api6
backend5
ansible5
agent5
service-worker5
logger5
cpu5
python5
monitoring4
graphite4
logstash4
Programming languages (3)
Github contributions (5)
allegro/selena
Sep 2013 - Aug 2016
SELENA is a tool used to test website performance by measuring response times or verifying the content of replies.
Contributions:9 commits, 3 PRs, 3 pushes in 2 years 11 months
timesmeasuringperformancewebsite-performancereplies
RulersOfAsgard/logger_logstash_backend
Apr 2018 - Aug 2020
Logstash backend for the Elixir Logger
Contributions:15 PRs, 12 pushes, 16 branches in 2 years 3 months
loggerelixirlogginglogstashbackend
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