Karthikeyan Singaravelan
Apache Airflow Committer at Visa
Bengaluru, Karnataka, India
Summary
🤩
Rockstar🎓
Top SchoolKarthikeyan Singaravelan is a seasoned Python engineer with 12 years of experience building and maintaining web applications, leading large-scale Python 2 to 3 migrations, and improving data pipelines and workflow tooling. As an Apache Airflow committer and Python core contributor, he combines deep language-level knowledge with practical backend engineering—recent contributions include API robustness fixes and scheduler UI enhancements in Airflow and data validation improvements in the PostHog backend. At Visa he operates at staff/technical lead level, and his open-source work spans documentation fixes, test-suite hardening (notably for DVC), and maintaining the mock module in Python’s stdlib. Based in Bengaluru, he brings a pragmatic focus on reliability and observability, often addressing subtle edge cases (invalid JSON handling, deprecation fixes) that prevent production incidents.
12 years of coding experience
8 years of employment as a software developer
bharathi matriculation higher secondary school, palladamBachelor of Engineering (B.E.), Electrical and Electronics Engineering, Bachelor of Engineering (B.E.), Electrical and Electronics Engineering at Government College of Technology, Coimbatorevidhya vikas boys higher secondary school, tiruchengodeprema matriculation higher secondary school, tirupur
Tamil, English
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (37)
apache-airflow10
json10
data-validation10
data-pipelines10
pytest10
python10
django10
data-engineering10
testing10
workflow-engine10
data-versioning10
version-control10
versioning10
orchestration10
data-pipeline10
Programming languages (22)
Github contributions (5)
PostHog/posthog
Feb 2020 - Oct 2021
🦔 PostHog provides open-source web & product analytics, session recording, feature flagging and A/B testing that you can self-host. Get started - free.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:7 commits, 7 PRs, 9 comments in 1 year 7 months
Contributions summary:Karthikeyan contributed to the backend codebase of PostHog by addressing various issues related to data validation, JSON parsing, and Django compatibility. Their work included implementing validation checks for invalid JSON passed through properties and query parameters. They also fixed deprecation warnings and updated code to align with Django 4.0 compatibility. The user's contributions demonstrate a focus on improving data integrity and maintaining the project's stability.
pythonabtestingdata-warehouseself-hostjavascript
tirkarthi/python-redis-streams-playground
Aug 2018 - Jun 2020
Contributions:2 commits, 1 PR, 1 push in 1 year 9 months
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