Muhammad Usman
Senior Front-End Engineer
Muhammad Usman
Senior Front-End Engineer
Summary
Senior product/front-end engineer with 10+ years building workflow-heavy SaaS interfaces, design systems, and full-stack product surfaces. Strong in React, TypeScript, Rails, and Tailwind, with a track record across fintech, grants, commerce, onboarding, localization, and developer tooling.
I work closely with design and product, prototype quickly, and turn ambiguous workflows into polished, maintainable UI that reduces friction and helps teams move faster.
Experience
Instrumentl
June 2025 - May 2026Senior Front-end Engineer
- Shipped post-award grant management workflows end-to-end, helping nonprofits track and manage awarded grants in the same platform they used to find funding.
- Built reusable UI components and product surfaces with Ruby on Rails, Turbo/Stimulus, and Tailwind, keeping new workflows consistent with the existing product.
- Partnered with product and design to clarify ambiguous workflow requirements and deliver maintainable improvements across the Manage product surface.
Numeral
January 2024 - May 2025Senior Software Engineer
- Built customer-facing product experiences for state tax registration flows, checkout, virtual mailbox onboarding, and the developer dashboard.
- Partnered closely with designers to turn complex sales tax workflows into clearer, more guided user experiences.
- Developed a component library in Storybook to improve consistency across internal tools and product surfaces.
- Used early prototypes to align product, design, and engineering before committing to larger implementation paths.
Square / Block
June 2018 - July 2023Senior Software Engineer
- Led internationalization and localization efforts with Ruby on Rails and PostgreSQL, supporting Square's expansion into global markets.
- Designed a new localization system after growing and maintaining the existing platform, improving scalability and long-term maintainability for over 100 projects.
- Joined the loan decisioning team and helped maintain a Go backend that processed over $1 billion in loans.
Weebly
October 2015 - June 2018Full-Stack Web Developer
- Built first-time user onboarding flows and guided setup experiences for entrepreneurs creating websites and online stores.
- Ran A/B tests with an internal experimentation system to improve activation and paid conversion paths.
- Created a user-guide system that helped new users kickstart their websites with clearer in-product guidance.
- Shipped a free-trial purchase path and improved conversions by 15% in key parts of the product.
Acquired by Square; continued at Square / Block after the acquisition.
Outbound.io
April 2014 - September 2015Frontend Developer
- Joined as employee #2 and helped establish the foundational frontend architecture for a multi-channel messaging platform.
- Built marketing pages, visual logging tools, user dashboards, and campaign creation flows in an Angular single-page application.
Acquired by Zendesk
SquareTrade
September 2012 - April 2014Frontend Developer
- Redesigned website and marketing surfaces in close collaboration with the design team.
- Introduced Sass and clearer CSS organization to improve the frontend development workflow.
- Built navigation UI elements that made product and plan flows easier to move through.
Acquired by Allstate
Skills
Programming Languages
Frameworks & Libraries
Product Engineering
Data & Infrastructure
Recent Projects
Murmur
Native macOS speech-to-text app focused on fast capture, local models, and a lightweight writing workflow.