Andriy Svyetlov
Vice President Of Engineering at Apolo
Gijón, Asturias, Spain
Summary
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RockstarAndriy Svyetlov is a seasoned Python engineer and technology leader with 15 years of experience, currently serving as Vice President of Engineering at Apolo and a long-time CPython core developer. He co-authored aiohttp and maintains key asyncio ecosystem projects, contributing deep expertise in async programming across libraries like aiokafka, aioredis, aiomysql and motor. Andriy blends hands-on systems work—debugging interpreter internals and adding typing to typeshed—with leadership roles from CTO to principal engineer, guiding teams through production-quality, well-tested software. His open-source footprint includes improving test infrastructure (pytest-asyncio), robust async transports for Sentry’s Raven client, and URL handling in yarl, reflecting both breadth and attention to reliability. Based in Gijón, Spain, he’s known for pragmatic refactors that fix flaky tests and resource leaks—an indicator of craftsmanship not obvious from job titles alone.
16 years of coding experience
12 years of employment as a software developer
English, Russian
Stackoverflow
17,072reputation
1.1mreached
301answers
1question
queue
top-5%
python-asyncio
top-1%
python
top-1%
asynchronous
top-1%
pytest
top-5%
concurrency
top-5%
Github Skills (79)
postgresql10
python10
python-asyncio10
testing10
url-parsing10
aiohttp10
async10
stubs10
aioredis10
object-oriented-programming10
wsgi10
implicit-typing10
distutils10
optional-typing10
test-automation10
Programming languages (16)
Github contributions (5)
pytest-dev/pytest-asyncio
Jul 2015 - Feb 2022
Asyncio support for pytest
Role in this project:
QA Engineer / Test Automation Engineer
QA Engineer / Test Automation EngineerContributions:33 reviews, 44 commits, 60 PRs in 6 years 8 months
Contributions summary:Andriy's contributions primarily focus on enhancing the testing infrastructure and improving the quality of the `pytest-asyncio` library. They refactored and rewrote tests, addressing flaky test issues and ensuring the tests function correctly. Additionally, the user integrated pre-commit hooks for code formatting and added typing information to the codebase, streamlining development workflows and improving code maintainability. They also addressed and fixed various bugs within the test suite.
asynciopytestpytest-pluginpythontesting
aio-libs/aiopg
Apr 2014 - Dec 2020
aiopg is a library for accessing a PostgreSQL database from the asyncio
Role in this project:Back-end Developer
Back-end DeveloperContributions:10 releases, 10 reviews, 467 commits in 6 years 9 months
Contributions summary:Andriy's commits primarily involve refactoring the codebase and adapting it to the new asynchronous environment using features like asyncio. The user was responsible for renaming modules and refactoring connection and cursor handling. They focused on implementing asynchronous operations for database interactions.
aiopgasynciopostgresql-databasepostgresqlsqlalchemy
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