Harsh Vardhan is a software engineer with 11 years of experience building backend systems, analytics pipelines, and front-end improvements across startups and large engineering teams. Based in Stockholm, he has contributed to security-focused tooling at Mozilla—enhancing ssh_scan with rescan capabilities, CIDR parsing, DSA fingerprinting and API storage—and to core gRPC code generation for C++ and Python, showing a knack for API design and cross-language tooling. His professional journey spans data engineering and analytics at BrowserStack, systems work at Northvolt, and early-stage backend infrastructure at YC-backed Piggy, demonstrating comfort across production systems and scale. An open-source mentor since the Google Code-in era, he combines practical product delivery with thoughtful contributions to high-profile projects, and he describes himself as someone who strives to "live the life you've imagined," reflecting a deliberate, impact-driven approach to engineering.
DEPRECATED - A prototype SSH configuration and policy scanner (Blog: https://mozilla.github.io/ssh_scan/)
Role in this project:
Back-end Developer
Contributions:24 commits, 23 PRs, 4 pushes in 5 months
Contributions summary:Harsh primarily focused on enhancing the core functionality of the SSH scan tool. Their contributions include adding support for custom ports and implementing rescan capabilities, modifying the target parser to handle IPv4 ranges and CIDR notations. Furthermore, the user extended SSH fingerprinting to include DSA keys and added a data store for API results, integrating database interactions. These changes demonstrate a focus on feature enhancements and architectural improvements.
FOSSASIA Google Code-In Website 2014/15 http://gci14.fossasia.org
Role in this project:
Front-end Developer
Contributions:19 commits, 1 push in 29 days
Contributions summary:Harsh primarily worked on updating the front-end elements of the website. Their contributions involved modifications to the `index.html` file, including adding and updating social media icons and links for mentors. They also fixed a Code-in link at the bottom of the webpage. In addition, they made changes to the CSS file to improve the website's layout and design.
googlegoogle-code-injavascript
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