Jonas Staškevičius
Chief Software Engineer at Kesko Senukai Digital (e-commerce)
Vilnius, Vilnius County, Lithuania
Summary
👤
Senior🎓
Top SchoolJonas Staškevičius is a Chief Software Engineer with 11 years of professional experience and over 17 years coding overall, specializing in backend systems using Ruby on Rails, MySQL/Postgres and high-performance caching with Redis. He focuses on reliability, maintainability and measurable performance gains—regularly eliminating N+1 queries, running benchmarks, and using Grafana/Graphite to drive data-informed optimizations that have impacted tens of thousands of customers. Comfortable leading distributed teams, Jonas prefers async communication, outcome-oriented delivery, and offers B2B contracting via his Lithuanian company for straightforward cross-border engagements. He pairs pragmatic simplicity with deep hands-on skills in background jobs, caching strategies, Dockerized deployments and observability tooling. A hobbyist developer who treats work like a craft, he also maintains open-source tooling such as a cost-conscious Grafana+Graphite setup for Hetzner that reflects his focus on efficient, production-ready infrastructure. Based in Vilnius, he blends fast, clear communication with a track record of shipping the right things from the start.
11 years of coding experience
14 years of employment as a software developer
Bachelor's degree, Computer Programming, Bachelor's degree, Computer Programming at Vilniaus Gedimino Technikos Universitetas
English, Lithuanian
Stackoverflow
1reputation
0reached
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Github Skills (112)
cldr10
locale10
rails-i18n10
slugify9
portable9
entity9
azerothcore9
slug9
spree9
ruby9
ascii9
listbox9
paginator9
ufo9
truetype9
Programming languages (10)
Github contributions (5)
pirminis/atom-paraiso-dark-tuned
Feb 2015 - Jul 2015
Contributions:17 commits, 14 pushes, 6 tags in 5 months
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