Senior UI Developer

Trumid is a dynamic fintech revolutionizing the landscape of fixed income trading. With intelligent, easy-to-use, electronic solutions, we are rapidly growing and seeking exceptional talent to help redefine the boundaries of technology and finance.

Founded in 2014 by a team of fixed income market experts, Trumid has quickly become one of the top three corporate bond e-trading platforms in the U.S. Today, over 1,300 traders from an extensive and expanding client network of 890+ buy-and sell-side institutions transact on Trumid monthly.

With a rich history of innovation and a unique ability to innovate at scale, we collaborate closely with our clients, iterating quickly toward optimal solutions. With market share and client engagement at all-time highs and our pace of product development faster than ever, this is an exciting and transformative time at Trumid.

Our business model thrives on participation, and so does our company culture. We rely on every team member’s contribution to help us accomplish our goals. To succeed at Trumid, you must be curious, passionate about your craft, ambitious, collaborative, and driven.

Trumid is seeking a U.S.-based (or EST hours) senior UI Developer with a proven ability to stay ahead in the fast-evolving JavaScript/TypeScript ecosystem. The ideal candidate must be able to work independently and within a team, as both are crucial for success in this role. Our applications are streaming-intensive, so experience with high-performance, message-driven UIs is highly valued.

Key Responsibilities:

• Build and optimize sophisticated, high-performance frontend applications, delivering clean, testable, and maintainable code.

• Tackle complex problems by breaking them down, verifying assumptions with stakeholders, handling edge cases, and continually improving code quality and efficiency.

• Collaborate with the Back End, QA teams, and with business stakeholders to deliver high-quality user interfaces that significantly enhance user experience.

• Debug effectively using application logs, while considering system-wide performance, scalability, and reliability.

• Ability to effectively use AI-assisted development tools to accelerate UI development, improve code quality, and reduce errors while maintaining strong engineering judgment (e.g. Claude code).

• Located in the U.S., EST Time Zone

• 6+ years experience;

• Experience working with TypeScript, web-ecosystem build and UI tools

• Strong understanding of React and render lifecycle with experience building performant React frontend applications for production systems

• Solid grasp of atomic state management concepts (e.g. Recoil and Jotai; we use Zedux, maintained in house)

• Understanding of reactive socket-streaming application development

• Experience using CSS and an ability to debug UI layout issues

• Understanding of and experience adding and maintaining tests at different levels, including unit and E2E tests, using libraries like vitest, storybook, playwright

• Experience and familiarity with ag-grid, MUI react components, JSS, as well as electron or openfin is a plus

• Proven experience working remotely while communicating clearly and effectively in a fast-paced environment