Chaitanya Koparkar is a Senior Software Engineer with 12 years of experience, currently at MathWorks and based in Bloomington, Indiana. He blends full-stack and back-end expertise—demonstrated by substantial contributions to prominent open-source projects like DuckDuckGo Instant Answers and the CIDER/Clojure nREPL toolchain—where he improved test suites, refactored middleware, and enhanced language integrations. Comfortable moving between languages (Perl, Ruby, Python, JavaScript, Clojure) and roles, he focuses on code quality, parsing and data-integration tasks, and developer tooling. His work shows a pattern of modernizing legacy code, adding robust tests, and improving UX for developer-facing features. He is also pursuing a PhD in Computer Science at Indiana University Bloomington, signaling a strong foundation in both research and practical engineering.
11 years of coding experience
2 years of employment as a software developer
Doctor of Philosophy - PhD Computer Science, Doctor of Philosophy - PhD Computer Science at Indiana University Bloomington
Bachelor of Engineering - BE, Bachelor of Engineering - BE at Mumbai University Mumbai
The Clojure Interactive Development Environment that Rocks for Emacs
Role in this project:
Full-stack Developer
Contributions:40 commits in 9 months
Contributions summary:Chaitanya primarily contributed to the project's test suite by writing tests using the Buttercup testing framework. They migrated existing tests from ERT to Buttercup, covering areas such as client functionality, overlay features, stack trace analysis, and utility functions. Furthermore, the user implemented new tests, especially focused on error parsing and the behavior of nREPL dictionaries, demonstrating a focus on improving code quality and maintainability within the CIDER environment. They also updated the documentation viewer to display fn specs.
A collection of nREPL middleware to enhance Clojure editors with common functionality like definition lookup, code completion, etc.
Role in this project:
Back-end Developer
Contributions:11 commits in 8 months
Contributions summary:Chaitanya primarily focused on refactoring and enhancing the nREPL middleware for the Clojure editor CIDER. Their contributions involved moving common functions within the `track_state` middleware to dedicated utility files, improving code organization. They also added new functionalities such as the `ns-vars-with-meta` operation to the `ns` middleware and incorporated support for filtering namespaces in various operations. These changes demonstrate a focus on improving the tools used to enhance Clojure development.
nreplcidercode-completionnrepl-middlewareenhance
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Chaitanya Koparkar - Senior Software Engineer at MathWorks