Alexander Kolesnikov
Senior Software Engineer at Workato
Barcelona, Catalonia, Spain
Summary
👤
Senior🎓
Top SchoolAlexander Kolesnikov is a Senior Software Engineer with 11 years of experience specializing in JVM ecosystems and building resilient, scalable SaaS platforms. Based in Barcelona, he has driven reliability, performance, and architecture improvements at fast-growing companies—leading backend teams, SRE initiatives, and reusable internal libraries for rate limiting, caching, and messaging. His hands-on work ranges from API and mobile backend features to containerization and metrics-driven production monitoring that achieved 99.95% uptime. Comfortable both as an individual contributor and tech lead, he has a track record of splitting monoliths, introducing messaging systems, and mentoring engineers. Pragmatic and detail-oriented, he pairs deep Java expertise with practical infrastructure know-how to turn complex distributed problems into maintainable solutions.
10 years of coding experience
11 years of employment as a software developer
Computer Science and Software Engineering, Computer Science and Software Engineering at Siberian Federal University
Github Skills (76)
http-api10
databases10
hadoop10
bigtable10
trino10
sql-query10
non-blocking10
prestodb10
big-data10
data-analytics10
snowplow10
sql10
h210
presto10
database10
Programming languages (2)
Github contributions (5)
alekkol/consul-client
Jul 2018 - Sep 2022
Java Client for Consul HTTP API
Contributions:3 releases, 3 PRs, 27 pushes in 4 years 3 months
apiconsuljavahttp-apijava-client
alekkol/wrike-sql
Aug 2022 - Sep 2022
Contributions:30 commits, 7 pushes in 1 month
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.