Shivam Kalra
SWE 3 (Duo Security) at Cisco
Greater Delhi Area India
Summary
🤩
Rockstar🎓
Top SchoolShivam Kalra is a pragmatic software engineer with 8 years of experience building scalable backend and data systems at Amazon and Duo Security (Cisco), where he drove latency reductions of 95% and accelerated third‑party onboarding by 30%. He combines deep backend expertise in Java, C++, and Python with cloud proficiency across AWS and Azure, and has engineered high-throughput ML and feature‑extraction pipelines processing hundreds of thousands of videos and multimedia ads monthly. At Duo he led a team to create a generic onboarding framework that doubled feature adoption for non‑MFA offerings and modernized legacy UIs to React with Storybook, improving maintainability. An active open‑source and full‑stack contributor, he has implemented app integrations and webhook enhancements for the popular cal.com scheduling project. Known for translating ambiguous requirements into reliable production systems, he also mentors new hires and documents knowledge to scale team impact.
7 years of coding experience
4 years of employment as a software developer
Bachelor of Technology Computer Science, Bachelor of Technology Computer Science at SRM Institute of Science and Technology (SRMIST)
Github Skills (19)
postgresql10
webhooks10
typescript10
nextjs10
prisma10
playwright-test10
typescript-types10
playwright10
typescripts10
react10
apidoc9
next-auth9
api9
tailwind8
tailwindcss8
Programming languages (6)
Github contributions (5)
calcom/cal.com
May 2023 - Oct 2023
Scheduling infrastructure for absolutely everyone.
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:73 reviews, 27 PRs, 116 pushes in 5 months
Contributions summary:Shivam's contributions primarily involve the implementation and integration of various app store applications. They added new applications like 8x8 and Mirotalk, along with their corresponding API handlers and metadata. The user also worked on extending webhook functionality by adding new event types like BOOKING_REJECTED and BOOKING_REQUESTED, including related migrations and tests. Furthermore, they contributed to team booking functionalities.
tailwindcssturborepotrpcprismascheduling
shivamklr/cal.com
May 2023 - Aug 2023
Scheduling infrastructure for absolutely everyone.
Contributions:26 pushes, 9 branches in 3 months
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