# Alexey Zabelin

> Software Engineer at Mercury Technologies

Location: San Mateo, California, United States
Profile: https://flows.cv/alexeyzabelin

I enjoy solving business problems and making users happy, I do that primarily with programming. My go-to language that I've been using for ~5 years now is Haskell, but I appreciate reaching for Rust when it makes sense.

## Work Experience
### Software Engineer @ Mercury
Jan 2019 – Present | San Francisco, California, United States
As one of the early engineering hires I've done things like:
• Built the backend portion for the Apple Push Notification service integration.
• Developed multiple third-party API integrations related to bookkeeping.
• Designed and implemented most of the Mercury public REST API, as well as wrote all the documentation for it.
• Communicated with multiple partner organizations to help them integrate with our account-opening private API.
• Architected and developed multiple user-facing features including low balance checking, DBA document upload, HubSpot integration, and
more.
• Provided mentorship and guidance to other engineers as well as our accounts team members.
• Worked with Haskell, TypeScript, React, Yesod, PostgreSQL, AWS.

### Haskell Engineer @ Lorepub
Jan 2017 – Jan 2018 | New York City Metropolitan Area
• Worked on an e-commerce platform for a publishing business.
• Developed an address book management page.
• Focused on improving the checkout process.
• Haskell, Yesod, PostgreSQL.

### Software Engineer @ Lanehoney
Jan 2018 – Jan 2018 | New York City Metropolitan Area
• Rewrote a SPA application to a traditional static page application using Yesod framework.
• Implemented embedded document signing using Hellosign’s API.
• Customized the trucking route selection dashboard.
• Handled coordination with multiple consultants as the primary in-house engineer.
• Haskell, Yesod, MySQL.

### Software Developer @ Seller Labs
Jan 2017 – Jan 2018 | New York City Metropolitan Area
• Worked on multiple Haskell services interacting with the Amazon Marketplace Web Service APIs.
• Maintained legacy PHP services.
• Implemented front-end enhancements using React for the internal admin services.
• Haskell, JavaScript, React, MySQL.


## Contact & Social
- LinkedIn: https://linkedin.com/in/alexeyzab
- Portfolio: https://alexeyzabelin.com
- GitHub: https://github.com/alexeyzab

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Source: https://flows.cv/alexeyzabelin
JSON Resume: https://flows.cv/alexeyzabelin/resume.json
Last updated: 2026-03-29