Radu Ciorba
Senior Software Engineer at Akamai Technologies
Munich, Bavaria, Germany
Summary
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Rockstar🎓
Top SchoolRadu Ciorba is a Senior Software Engineer based in Munich with 13 years of experience building reliable backend systems and tooling, primarily in Python. He has a strong track record in performance-sensitive code and low-level data structures—evidenced by core contributions to borgbackup—and in improving code quality through contributions to pylint that added new checks and reduced false positives. At companies from Bitdefender to Hotjar and now Akamai, he has driven scalable search, messaging-based architectures, blue‑green deployments and observability improvements. He pairs practical operations experience (AWS, Docker, Ansible) with test-first development and automation, having also led testing and QA efforts on projects like gitfs. Colleagues rely on him for pragmatic refactors that improve correctness and performance, and he often surfaces subtle bugs via focused tests. Beyond shipping features, he invests in developer experience and maintainability across both open source and commercial codebases.
13 years of coding experience
14 years of employment as a software developer
Bachelor of Science Computer Science, Bachelor of Science Computer Science at West University of Timisoara
English, Romanian
Stackoverflow
1,034reputation
50kreached
25answers
0questions
python
top-5%
Github Skills (28)
deduplication10
git10
static-code-analysis10
pytest10
python10
scripting10
testing10
c1110
software-quality10
data-structure10
c1710
script10
linter10
data-structures10
hashtable10
Programming languages (12)
Github contributions (5)
presslabs/gitfs
Oct 2015 - Nov 2015
Version controlled file system
Role in this project:
QA Engineer / Test Automation Engineer
QA Engineer / Test Automation EngineerContributions:11 commits, 2 PRs, 6 pushes in 19 days
Contributions summary:Radu primarily contributed to the testing infrastructure and test suite of the project. They implemented test scripts, including a `test.sh` setup script and integration tests, demonstrating a focus on ensuring the functionality and reliability of the `gitfs` filesystem. Their work involved creating test environments, defining test cases, and verifying expected behavior, as evidenced by the changes in testing and base integration files. The user also refactored and enhanced existing tests, improving the testing efficiency by introducing specific log waiting mechanisms and more aggressive test timings.
pythoncontrolledversion-controlfuse-filesystemfilesystem
borgbackup/borg
Sep 2016 - Jul 2017
Deduplicating archiver with compression and authenticated encryption.
Role in this project:Back-end Developer
Back-end DeveloperContributions:6 commits, 7 PRs, 65 comments in 10 months
Contributions summary:Radu primarily contributed to the core logic and data structures within the borgbackup/borg repository, focusing on low-level optimizations. They refactored the hash index implementation by modifying its lookup and set methods to improve performance, replacing modulo operations with conditional statements. Additionally, the user fixed a bug related to skip hints in the hash index, ensuring correct tombstone handling and introduced new tests. Their work involved direct changes to C code and test scripts demonstrating expertise in data structures.
pythondedupecompressionsshdeduplication
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