Zahin Mohammad
E4 Software Engineer at Stealth Startup
Old Toronto, Ontario, Canada
Summary
👤
Senior🎓
Top SchoolZahin Mohammad is an experienced backend software engineer with nine years building scalable financial and crypto systems, currently an E4 at a stealth startup in Toronto. He has deep hands-on experience integrating blockchain and exchange APIs, optimizing data ingestion at scale, and improving platform reliability—efforts that include significant contributions to BitGo's JavaScript SDK around TSS wallet sharing and signature-share APIs. A University of Waterloo computer engineering graduate, Zahin blends strong backend skills in Go, PostgreSQL and Java with pragmatic testing and API design practices. He’s comfortable moving from low-level crypto integrations to product-facing portfolio and tax tooling, and has repeatedly reduced latency and increased test coverage in production systems. Colleagues describe him as a practical problem-solver who pairs rigorous unit testing with thoughtful API updates to avoid breaking wallet-sharing workflows.
9 years of coding experience
4 years of employment as a software developer
Ontario Secondary School Diploma Ontario Secondary School Diploma, Ontario Secondary School Diploma Ontario Secondary School Diploma at Winston Churchill Collegiate InstituteBachelor’s Degree Computer Engineering, Bachelor’s Degree Computer Engineering at University of Waterloo
English, Bangla
Github Skills (8)
unit-testing10
wallet10
javascript10
typescript-types9
apidoc9
typescript9
typescripts9
api9
Programming languages (9)
Github contributions (5)
BitGo/BitGoJS
Mar 2022 - Jan 2023
BitGo JavaScript SDK
Role in this project:
Back-end Developer
Back-end DeveloperContributions:1007 reviews, 15 commits, 233 PRs in 10 months
Contributions summary:Zahin primarily focused on enhancing the BitGo JavaScript SDK by implementing and testing features related to TSS (Threshold Signature Scheme) wallet sharing. They added support for sharing keys within TSS wallets, updating code to include `commonPub` in the keychain parameters. They also created unit tests for the newly implemented TSS wallet sharing functionality, demonstrating a focus on thorough testing of the new features. Furthermore, the user updated parameters for the `/signatureshares` API endpoint and addressed issues in wallet sharing to avoid throwing errors.
javascript
EZPlanner/ezplanner-react-client
Jan 2019 - Feb 2021
Front end code for the EZPlanner website
Contributions:53 PRs, 94 pushes, 67 branches in 2 years 1 month
front-end
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