Kirill Zaborsky
Senior Software Engineer at FP Complete Corporation
Arkhangelsk, Arkhangelsk Oblast, Russia
Summary
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Rockstar🎓
Top SchoolKirill Zaborsky is a senior software engineer with 16 years of experience, currently focused on Rust backend development and Haskell-centered tooling. He combines practical production work at FP Complete with open-source contributions to notable projects like GHC and Apache DataFusion, improving compiler internals and SQL query plan displays. His background spans backend systems, DevOps on AWS/Azure, and CI/CD automation, with fluency in Rust, Haskell, Python, Erlang and a deep familiarity with PostgreSQL/MySQL. Comfortable across languages and cloud environments, he often tackles subtle correctness and developer-experience issues—fixing compiler edge cases, refining build pipelines, and enhancing verbose debugging outputs. Based in Arkhangelsk, he brings both long-term enterprise delivery and hands-on OSS craftsmanship to complex backend problems.
16 years of coding experience
20 years of employment as a software developer
Bachelor of Science (BS), Information Systems, Bachelor of Science (BS), Information Systems at Архангельский Государственный Технический Университет
English, German, Russian
Stackoverflow
612reputation
37kreached
9answers
7questions
Github Skills (56)
docker10
develop10
bigquery10
widgets10
compiler-development10
stack10
bash10
stacker10
wpgraphql10
dockers10
cicd10
fusion10
type-system10
http-client10
sql10
Programming languages (28)
Github contributions (5)
commercialhaskell/stack
Jul 2018 - Apr 2021
The Haskell Tool Stack
Role in this project:
Back-end Developer
Back-end DeveloperContributions:19 reviews, 274 commits, 89 PRs in 2 years 9 months
Contributions summary:Kirill primarily contributed to the Haskell tool Stack by implementing a test for config.yaml files in the build plan. This involved creating a new integration test using StackTest to verify the expected behavior related to the 'allow-newer: true' flag and config.yaml files. Further contributions include fixing parsing logic within the Pantry library and other adjustments to configuration files.
haskellservant
commercialhaskell/stackage
Jul 2015 - Jun 2021
Stable Haskell package sets: vetted consistent packages from Hackage
Role in this project:DevOps Engineer
DevOps EngineerContributions:54 commits, 24 PRs, 51 comments in 5 years 11 months
Contributions summary:Kirill primarily focused on maintaining and improving the CI/CD pipeline for the Stackage project. Their contributions involved updating the build scripts (`build-next.sh` and `etc/ci-script.sh`), integrating newer versions of the Stack and curator tools, and modifying the build process to include new curator checks and incorporate a Nix-based build system. They also added features like logging build output and managing the environment variables.
incrementalpackage-setshaskellconsistenthackage
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