Alexander Bayandin
Member Of Technical Staff at Databricks
London, England, United Kingdom
Summary
🤩
Rockstar🎓
Top SchoolAlexander Bayandin is a versatile backend and automation engineer with 13 years of experience building reliable test infrastructure, CI/CD pipelines, and package/build automation across startups and large platforms. He’s driven developer productivity and QA at Neon and Bumble—leading teams, scaling end-to-end test coverage from dozens to thousands, and creating widely used tooling like a parallel test runner and LiveShots for multilingual screenshot collection. His open-source contributions span Homebrew, Selenium, Neon and nose2, where he’s improved package release automation, test reliability, and client-library compatibility for projects used by thousands. Now at Databricks, he blends deep Python and DevOps skills with pragmatic leadership, frequently surfacing subtle reliability fixes (e.g., replacing sleep with WebDriverWait) that reduce flakiness in production-grade test suites.
13 years of coding experience
14 years of employment as a software developer
Bachelor Applied Mathematics and Computer Science, Bachelor Applied Mathematics and Computer Science at Novosibirsk State University (NSU)Information Technologies, Information Technologies at Higher College of Informatics Novosibirsk State University
Stackoverflow
73reputation
3kreached
1answer
3questions
Github Skills (51)
unit-testing10
docker10
postgresql10
continuous-integration10
selenium10
package-management10
python10
pytest10
patch10
testing10
bintray10
test-framework10
nose10
selenium-ide10
dockers10
Programming languages (27)
Github contributions (5)
neondatabase/neon
Jul 2022 - Jan 2023
Neon: Serverless Postgres. We separated storage and compute to offer autoscaling, code-like database branching, and scale to zero.
Role in this project:
Back-end & Test Automation Engineer
Back-end & Test Automation EngineerContributions:28 releases, 1046 reviews, 103 commits in 6 months
Contributions summary:Alexander focused on adding tests for different Postgres client libraries, enhancing the testing infrastructure of the Neon database. They implemented and integrated new test workflows, primarily using Python and Docker, to test client-library compatibility. Additionally, the user made adjustments to the test runner and fixtures, including fixing deprecation warnings, fixing the test that reads from stdout and adding hooks to improve the Allure reports. Furthermore, they contributed to the periodic performance tests, addressing deprecation warnings, and refactoring test settings.
neonrustserverlessautoscalingoffer
Homebrew/brew
Nov 2019 - Nov 2022
🍺 The missing package manager for macOS (or Linux)
Role in this project:Automation Engineer / Build & Release Engineer
Automation Engineer / Build & Release EngineerContributions:32 reviews, 77 commits, 80 PRs in 3 years
Contributions summary:Alexander primarily contributed to improving the Homebrew build and release process, demonstrating expertise in package management and continuous integration. They implemented features related to Bintray integration, including package creation, publication, and mirroring. Further, they modified the audit process to include draft release detection and checksum validation, improving the reliability and security of the Homebrew ecosystem. Additional commits show improvements to tag and version replacements and other automation-related fixes.
brewpackage-managerlinuxrubymissing
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