Alexander Barannikov
SDK Engineer at Comet
Porto, Porto, Portugal
Summary
🤩
Rockstar🎓
Top SchoolAlexander Barannikov is an SDK and backend engineer with 15+ years of broad engineering experience and eight years focused on modern backend/platform roles, now building SDKs and developer tools at Comet from Porto. He has a strong track record of improving reliability and performance—reducing release times, halving server load, and formalizing testing and CI practices across startups and enterprises. His work spans Python-heavy stacks, data engineering and databases (Postgres, ClickHouse, Redis), API design, ETL and BI, and he has led teams and delivered fast MVPs and production dashboards. An active contributor to open-source SDK work, he helped harden Comet’s opik Python SDK and CI/testing pipelines to improve usability and integration with Comet’s API. Alexander combines deep database and ops experience with hands-on backend development, and a pragmatic knack for turning analytics and telemetry needs into production-ready developer-facing tooling.
8 years of coding experience
23 years of employment as a software developer
Engineer's degree Information Technology, Engineer's degree Information Technology at Moscow State University of Instrument Engineering and Computer Sciences (MGUPI)
Github Skills (13)
configuration-management10
api10
python10
apidoc10
llm10
openai9
cicd9
llmops9
testing9
githubaction-workflow9
github-ci9
prompt-engineering8
langchain8
Programming languages (1)
Github contributions (5)
comet-ml/opik
May 2024 - Mar 2025
Debug, evaluate, and monitor your LLM applications, RAG systems, and agentic workflows with comprehensive tracing, automated evaluations, and production-ready dashboards.
Role in this project:
Back-end Developer & DevOps Engineer
Back-end Developer & DevOps EngineerContributions:98 reviews, 66 PRs, 143 pushes in 10 months
Contributions summary:Alexander primarily focused on configuring, enhancing, and maintaining the Python SDK for the `opik` project. They implemented crucial features, including saving/loading configuration files, integrating CLI commands, and integrating the project with the Comet API. Moreover, the user updated linting and testing procedures, and made minor changes to the CI system. This work significantly contributed to the stability and usability of the project's SDK.
langchainllama-indexllmllm-evaluationllm-observability
japdubengsub/python_middle
Jun 2020 - Aug 2021
Contributions:8 commits, 7 pushes, 1 branch in 1 year 2 months
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