Rohan Sircar
Senior Software Consultant at NashTech
India
Summary
👤
Senior🎓
Top SchoolRohan Sircar is a Senior Software Consultant with 7 years of experience building high-concurrency, distributed backend systems using Scala and functional programming across Java, Kotlin, Python and Rust. He has a strong record of operational impact—reducing production incidents by 90%, speeding slow queries by 20%, and doubling project documentation while delivering critical microservice features. A mentor and remote-team player, Rohan leads RPA and performance initiatives and helps shape requirements and estimations for complex services. He contributes to notable open-source Scala projects like http4s, improving JSON streaming and robustness in a widely used HTTP library. Passionate about GenAI and LLMs, he combines deep systems craftsmanship with a growing focus on applying AI to practical engineering problems.
7 years of coding experience
3 years of employment as a software developer
Master of Science - MS, Computer Science, Master of Science - MS, Computer Science at St. Xavier's College (Autonomous), Kolkata
Github Skills (9)
scala10
json10
fs10
circe10
cat9
http9
testing8
http-server7
http-client7
Programming languages (8)
Github contributions (5)
http4s/http4s
Apr 2021 - Apr 2021
A minimal, idiomatic Scala interface for HTTP
Role in this project:
Back-end Developer
Back-end DeveloperContributions:4 reviews, 8 commits, 1 PR in 2 days
Contributions summary:Rohan primarily contributed to the `http4s/http4s` repository by implementing and modifying features related to JSON handling with the Circe library. They added support for decoding and encoding JSON streams, including adding corresponding test cases. Furthermore, the user fixed formatting issues, resolved a package namespace conflict, removed an unnecessary dependency, and addressed a code review suggestion, enhancing the library's functionality and robustness.
scalahttp-serverhttp-clientfs2typelevel
rohan-sircar/actix-demo
May 2020 - Jan 2023
Contributions:2 releases, 164 commits, 40 PRs in 2 years 8 months
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