Bartłomiej Święcki
Software Engineer at Protocol Labs
Lower Silesian Voivodeship, Poland
Summary
🤩
Rockstar🎓
Top SchoolBartłomiej Święcki is a seasoned software engineer with 13 years of experience building reliable backend systems, databases, and infrastructure across startups and established companies. He has deep hands-on experience in core database engineering—contributing to immudb’s core to improve SQL client behavior, constraint validation, and ALTER TABLE semantics—alongside cloud backend work at Sonatus and protocol-focused development at Protocol Labs. His background spans low-level C++ and sockets to high-level cloud services and database clustering, reflecting a rare full-stack backend fluency. Based in Lower Silesia, Poland, he pairs production-grade systems thinking with practical ops skills from managing MySQL clusters and data center servers. Colleagues know him for improving consistency and reliability in complex systems and for shipping durable, tamper-evident data features that support zero-trust architectures.
13 years of coding experience
18 years of employment as a software developer
Technical University of Wroclaw, M.Sc., Computer Science, Technical University of Wroclaw, M.Sc., Computer Science at Wrocław University of Science and Technology
Polish, English
Stackoverflow
3,483reputation
568kreached
54answers
3questions
cakephp
top-5%
Github Skills (24)
databases10
data-structure10
go10
sql10
database-design10
data-structures10
relational-databases10
sql-database10
concurrency10
database10
testing9
cakephp9
socket-io9
nodejs9
embedded8
Programming languages (9)
Github contributions (5)
codenotary/immudb
Jun 2021 - Dec 2022
immudb - immutable database based on zero trust, SQL/Key-Value/Document model, tamperproof, data change history
Role in this project:
Back-end Developer & Database Engineer
Back-end Developer & Database EngineerContributions:15 releases, 501 reviews, 542 commits in 1 year 6 months
Contributions summary:Bartłomiej primarily focused on modifying and improving the `immuDB` database core. They addressed bugs in the interactive client's SQL commands, ensured the correct operation of read operations, improved the validation of constraints and the insertion of data. They worked on improving the system's overall consistency and reliability of the database operations and implemented features like the "ALTER TABLE ADD COLUMN" statement.
immudbauditablecryptographicintegritycompliance
byo/bswieckidev-blog
Jun 2019 - Jan 2023
Contributions:42 commits, 18 pushes, 2 branches in 3 years 7 months
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