Vivan Kumar
Backend Lead at Qonto
Munich, Bavaria, Germany
Summary
🤩
Rockstar🎓
Top SchoolVivan Kumar is a Backend Lead with 11 years’ experience building and operating low-latency, cloud-native systems—primarily in Go—across startups and scale-ups in the EU. He has led end-to-end product delivery from greenfield features to real-time collaboration systems (CRDTs, Redis-backed K-V stores) and improved observability and developer tooling to speed team delivery. Hands-on in Kubernetes, AWS EKS, Kafka and Prometheus/Grafana, he also contributes to open-source (notably enhancements to Pusher’s Ruby HTTP library around native notifications and payload validation). Known for mentoring engineers, running design office hours and hiring, he combines deep technical execution with a pragmatic focus on solving the right user problems. Based in Munich, he ramps quickly into context and is comfortable owning both architecture and operational on-call responsibilities.
11 years of coding experience
10 years of employment as a software developer
University of DelhiMaster of Science (M.Sc.) Computing and Security, Master of Science (M.Sc.) Computing and Security at King's College LondonThe Shri Ram School - Aravali
Hindi, English, Tamil
Github Skills (6)
ruby10
api10
apidoc10
testing10
http-api9
apn7
Programming languages (11)
Github contributions (5)
pusher/pusher-http-ruby
Sep 2015 - Mar 2017
Ruby library for Pusher Channels HTTP API
Role in this project:
Back-end Developer
Back-end DeveloperContributions:1 release, 26 commits, 9 PRs in 1 year 5 months
Contributions summary:Vivan primarily contributed to the Ruby library for the Pusher Channels HTTP API, focusing on enhancements to the notification system. They introduced support for native notifications by implementing a client and validating payloads. Furthermore, the user refactored the code to utilize the `pusher-signature` gem and added comprehensive tests. They also implemented additional validation logic for GCM payloads.
apirubychannelspusherpusher-channels
pusher-community/pusher-http-scala
May 2015 - Jan 2016
Contributions:76 commits, 7 PRs, 103 pushes in 7 months
apiscala-libraryinteractscalapusher
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