Neeraj Jaiswal
Senior Product Engineer 2 at Rapido
Bengaluru, Karnataka, India
Summary
👤
Senior🎓
Top SchoolNeeraj Jaiswal is a Senior Product Engineer with nine years of experience building production-grade applications, currently shaping product engineering at Rapido from Bengaluru. He brings a strong backend focus and practical systems sense honed through roles at ThoughtWorks and rising technical ownership across multiple promotions at Rapido. An active open-source contributor, Neeraj has deepened his systems-tooling skills by porting critical fish-shell builtins to Rust, improving regex and string formatting internals in a well-known command-line project. With a formal Computer Science background and hands-on experience across startups and consulting, he combines pragmatic engineering, cross-language refactoring expertise, and a track record of shipping reliable features under real product constraints.
9 years of coding experience
2 years of employment as a software developer
Bachelor's degree, Computer Science, Bachelor's degree, Computer Science at Alagappa University, Alagappa Nagar, KaraikudiGuru Ram Rai Public SchoolDiploma, Computer Science, Diploma, Computer Science at Govt. Polytechnic Dehradun
Github Skills (6)
rust10
shell10
back-end-development10
regex9
cprogramming-language9
c-language9
Programming languages (10)
Github contributions (5)
fish-shell/fish-shell
Feb 2023 - Dec 2024
The user-friendly command line shell.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:19 reviews, 8 PRs, 28 comments in 1 year 10 months
Contributions summary:Neeraj primarily contributed to porting shell builtins to Rust, including the `return`, `exit`, and `contains` commands. They implemented the core logic of these builtins, modifying both the Rust code and associated C++ files to integrate the Rust implementations. The user also worked on refactoring and improving the regex and string formatting capabilities of the shell, with associated adjustments in the `ffi` and `re` files, contributing to the overall functionality and performance of the command-line shell.
bashterminalfishcommand-lineshell
nrjais/rush
Apr 2019 - Dec 2019
Contributions:27 commits, 22 pushes, 3 branches in 8 months
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