Marko Gaćeša
Principal Software Engineer at Harness
Belgrade, Central Serbia
Summary
🤩
Rockstar🎓
Top SchoolMarko Gaćeša is a Principal Software Engineer based in Belgrade with 11 years of professional experience building backend systems and leading engineering teams. He progressed from hands-on Java development to team leadership at Carnegie Technologies and now drives architecture and delivery at Harness, where he contributed backend features to the notable open-source Harness platform—implementing pull request workflows, database models, APIs and branch protection. Known for blending practical engineering with team mentorship, he has experience shipping scalable developer platform features and improving code quality through thoughtful issue fixes. His background spans international teams, including time in Santiago de Chile, which informs his collaborative, cross-cultural approach to problem solving. Marko holds a Bachelor's in Computer Software Engineering from the University of Belgrade and tends to focus on durable, auditable backend designs that enable developer productivity.
11 years of coding experience
15 years of employment as a software developer
Bachelor's degree, Computer Software Engineering, Bachelor's degree, Computer Software Engineering at Univerzitet u Beogradu / University of Belgrade
Github Skills (12)
api-rest10
rest-api10
go10
database-design10
api-design10
restful-api10
git-pull9
sql9
pullrequest9
version-control9
git9
branch-protection8
Programming languages (5)
Github contributions (5)
harness/harness
May 2021 - Sep 2021
Harness Open Source is an end-to-end developer platform with Source Control Management, CI/CD Pipelines, Hosted Developer Environments, and Artifact Registries.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:29 reviews, 23 commits, 18 PRs in 3 months
Contributions summary:Marko primarily contributed to the back-end aspects of the Harness Open Source project, focusing on implementing features related to pull requests. Their work included the creation of database models and API endpoints. They also made improvements by addressing issues with code comments and implemented functionality for branch protection.
containersbuild-pipelinesdevopscontinuousdocker
marko-gacesa/git-ref-test
Jan 2023 - Feb 2024
Contributions:19 reviews, 25 PRs, 30 pushes in 1 year
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