Szymon Fracczak
People Manager Senior Software Engineer at ExpressVPN
Poznan, Greater Poland Voivodeship
Summary
👤
Senior🎓
Top SchoolSzymon Fracczak is a seasoned People Manager and Senior Software Engineer with 14 years of experience specializing in databases, PostgreSQL tuning, and Ruby on Rails development. Based in Poznan, Poland, he combines hands-on engineering (SQL, PL/pgSQL, ETL) with leadership roles including VP of Engineering and current people management at ExpressVPN. He has a strong track record delivering backend systems, API integrations, and performance optimizations across startups and enterprise projects dating back to early database work in 2005. As an independent contractor since 2006 he has focused on database lifecycle and Rails apps, bringing rare depth in both low-level DB administration and high-level web application architecture. His academic background in mathematics and evolutionary algorithms underpins a pragmatic, data-informed approach to optimization and system design. Colleagues describe him as a technical generalist who quietly improves team throughput through tooling, tuning and clear engineering processes.
14 years of coding experience
12 years of employment as a software developer
Master's degree (thesis: Portfolio analysis and evolutionary algorithms), Mathematics speciality informatics, 5, Master's degree (thesis: Portfolio analysis and evolutionary algorithms), Mathematics speciality informatics, 5 at Uniwersytet Łódzki
English, German, Polish, Russian
Stackoverflow
2,895reputation
543kreached
56answers
1question
sql
top-5%
postgresql
top-5%
Github Skills (45)
analyzer10
erb10
linter10
postgresql9
static-analysis9
rubocop9
static-code-analysis9
ruby9
formatter9
code-analyzer9
sql9
database8
pipe8
angular-component8
ruby-wrapper7
Programming languages (3)
Github contributions (5)
sufleR/sql_query
Aug 2015 - Jan 2023
Ruby gem to load SQL queries from `.sql.erb` templates using ERB.
Contributions:3 reviews, 50 commits, 11 PRs in 7 years 6 months
ruby-gemsql-queriessqlrubydatabase
sufleR/embedson
Jan 2015 - Nov 2016
Contributions:2 releases, 20 pushes, 3 tags in 1 year 10 months
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