Branislav Kontur
Self Employed at BambIT s.r.o.
Bratislava, Region of Bratislava, Slovakia
Summary
🤩
Rockstar🎓
Top SchoolBranislav Kontur is a seasoned backend engineer and consultant with 10+ years' experience building and maintaining complex distributed systems, currently self-employed in Bratislava. He has deep expertise in blockchain infrastructure—contributing to high-profile open-source projects like Polkadot and Substrate, where he focused on XCM cross-chain messaging, asset conversion, and accurate weight/fee accounting. Earlier work spans Java enterprise systems and integrations, and a stint porting Tezos components between OCaml and Rust, reflecting strong cross-language systems skills. Comfortable across DevOps, CI/CD and benchmarking, he combines hands-on implementation with test environment and pipeline ownership. Colleagues know him for pragmatic refactors that reduce duplication and improve code quality while solving subtle protocol and interoperability issues.
9 years of coding experience
15 years of employment as a software developer
the degree of Master - the second degree of university studies, Information systems, the degree of Master - the second degree of university studies, Information systems at Faculty of Informatics and Information Technologies STU in Bratislava
Slovak, Czech, English
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (20)
code-optimization10
substrate10
benchmark10
testing10
benchmarking10
refactor10
polkadot-js10
blockchain10
refactoring10
para10
rust10
polkadot10
par10
cm10
cicd9
Programming languages (10)
Github contributions (5)
paritytech/polkadot-sdk
Aug 2023 - Apr 2025
The Parity Polkadot Blockchain SDK
Role in this project:
Backend Developer
Backend DeveloperContributions:1037 reviews, 288 PRs, 1075 pushes in 1 year 7 months
Contributions summary:Branislav's commits focused on refactoring and improving the codebase. They addressed typos, unnecessary code duplication, and clippy warnings to enhance code quality. Their changes involved restructuring code and implementing functional changes. The user primarily interacted with code within the `cumulus` directory.
blockchaincumuluspolkadotsubstrate
paritytech/cumulus
Jul 2022 - Jan 2023
Write Parachains on Substrate
Role in this project:Back-end Developer & DevOps Engineer
Back-end Developer & DevOps EngineerContributions:2 releases, 307 reviews, 146 commits in 6 months
Contributions summary:Branislav primarily focused on improving the codebase by addressing typos, applying clippy suggestions, and formatting code. They also made significant changes to the project's build and configuration, particularly concerning runtime environments and chain specifications. Moreover, the user demonstrated expertise in setting up, configuring, and maintaining the test environment, which included adjusting benchmark scripts and resolving CI pipeline issues, implying DevOps skills.
substraterustblockchainparachainsparity
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