Sibi Prabakaran

Bengaluru, Karnataka, India

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Summary

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Rockstar

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Sibi Prabakaran is a versatile software engineer with 14 years of experience building backend systems, developer tooling, and secure web services, with deep expertise in functional languages like Haskell, Rust, Scala and Lisp-family languages. He has shipped production systems and DevOps solutions for startups and enterprises—authoring Haskell-based servers, deployment workflows, and integrations with third-party payment and messaging providers. An active open-source contributor, Sibi has improved major projects such as the Haskell Tool Stack, Yesod, Hasura’s MySQL backend, and Emacs LSP integrations for Terraform, often focusing on CLI features, security fixes, and developer experience. Comfortable across Linux stacks, databases (Postgres/MySQL/SQLite/PostGIS) and Emacs-driven workflows, he blends systems-level thinking with pragmatic product delivery. Notably, he has fixed critical CSRF vulnerabilities, added explain APIs for query introspection, and extended language tooling to surface semantic tokens and code lenses. Based in Bengaluru, he thrives on technical challenges that push system reliability, security, and developer productivity.

14 years of coding experience

5 years of employment as a software developer

B. Tech, Computer Science, B. Tech, Computer Science at Shanmugha Arts, Science, Technology and Research Academy

ISC, Computer Science, Maths, Physics, Chemistry, ISC, Computer Science, Maths, Physics, Chemistry at Nirmala Convent Inter College

Stackoverflow

Stats

48,072reputation

2.1mreached

508answers

167questions

Badges

haskell

top-1%

functional-programming

top-5%

lazy-evaluation

top-5%

pattern-matching

top-5%

Github Skills (62)

database-migrations10

api-rest10

cargo10

jvm10

back-end-development10

mysql10

restful-api10

api-design10

testing10

command-line-interface10

yesod10

language-server-protocol10

faker10

wpgraphql10

terraform10

Programming languages (27)

CElmGoMustacheHTMLTypeScriptShellDhall

Github contributions (5)

commercialhaskell/stack

Jun 2015 - Aug 2022

The Haskell Tool Stack

Role in this project:

Back-end Developer

Contributions:8 reviews, 187 commits, 62 PRs in 7 years 2 months

Contributions summary:Sibi primarily focused on adding and refactoring command-line interface (CLI) features for the Haskell Tool Stack, specifically related to listing snapshots and dependencies. Their work involved implementing a new subcommand and integrating existing functionalities. They also made changes to the project's core modules to include the new features. The commits show a focus on adding functionality, fixing related bugs, and porting existing features into new subcommands.

haskellservant

yesodweb/persistent

Jul 2015 - Jun 2020

Persistence interface for Haskell allowing multiple storage methods.

Role in this project:

Back-end Developer

Contributions:147 commits, 101 PRs, 56 pushes in 4 years 11 months

Contributions summary:Sibi primarily focused on refactoring and cleaning up code within the `persistent` library, specifically modules related to database interaction and persistence. They removed unused extensions, cleaned up code in `PersistStore`, `PersistQuery` and various other modules. The user also implemented and added `mockMigration` functionality for PostgreSQL, MySQL, and SQLite backends.

haskellpersistencestorage

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