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Senior Frontend Engineer

Wellfound
New York City Posted Aug 19, 2026
HybridUSD 190,000 - 215,000 / year

About this role

Senior Frontend Engineer

About the job

Company Description

Today, when you go to your doctor and get referred to a specialist, your doctor sends out a referral and tells you, “They’ll be in touch soon.” So you wait. And wait. Sometimes days, weeks, or even months. Why? Because too often providers are overwhelmed with the painstakingly tedious work required to get paid by insurance companies. Powered by proprietary models, Tennr handles the complex paperwork that gets patients through the door and providers paid, helping operators get patients the right care, at the right time, in the right setting.

Role Description

Today, when you go to your doctor and get referred to a specialist, your doctor sends out a referral and tells you, “They’ll be in touch soon.” So you wait. And wait. Sometimes days, weeks, or even months. Why? Because too often providers are overwhelmed with the painstakingly tedious work required to get paid by insurance companies. Powered by proprietary models, Tennr handles the complex paperwork that gets patients through the door and providers paid, helping operators get patients the right care, at the right time, in the right setting.

Responsibilities

  • Drive a world-class user experience for Tennr’s flagship application, bringing efficiency, reliability, and delight to Tennr’s customers

  • Be the standard bearer for application usability and accessibility with the UX Designers and UX Engineers

  • Drive client architecture decisions for our complex React app

  • Work with design on user research processes and programs to help the team understand and empathize with customer user personas, including back office admins, referring healthcare providers, and patients, to channel their needs and perspectives into product design.

  • Take ownership over visual quality — whether executing pixel-perfect designs with precision or leveraging strong design intuition to navigate and resolve ambiguity

  • Embrace a founder's mindset, proactively driving projects from conception to completion, and contributing significantly to our company's growth and success

  • Candidate Qualifications

  • 5+ years of experience in UI/UX engineering, front-end web development, or full-stack development, with a strong proficiency with React and TypeScript.

  • Strong knowledge of front-end performance optimizations and accessibility principles.

  • Passion for great design and user experience.

  • Excellent problem-solving skills and a knack for efficient, clean coding practices.

  • Experience utilizing AI tools for prototyping and development.

  • Outstanding communication skills, capable of articulating complex technical concepts to a diverse audience.

  • A team player who thrives in collaborative environments and values diverse perspectives.

  • Prior experience in a startup or fast-paced tech environment is a plus.

  • Why Tennr?

  • Drive Impact: one of our company values is Cowboy, meaning you set the pace. You won’t just talk about things, you’ll get them done. And feel the impact.

  • Develop Operational Expertise: learn the inner workings of scaling systems, tools, and infrastructure

  • Innovate with Purpose: we’re not just doing this for fun (although we do have a lot of fun). At Tennr, you’ll join a high-caliber team maniacally focused on reducing patient delays across the U.S. healthcare system.

  • Build Relationships: collaborate and connect with like-minded, driven individuals in our Hudson Square office 4 days/week

  • Free lunch! Plus a pantry full of snacks.

Benefits

  • Beautiful new office at 345 Hudson Street
  • Unlimited PTO
  • 100% paid employee health benefit options
  • Employer funded 401(k) match
  • Competitive parental leave

About the company

tennr

Actively Hiring

BETTER INTAKE STARTS NOW 51-200 Employees

New York City

51-200

Healthcare

  • B2B

  • Early Stage Startup in initial stages

  • Top Investors This company has received a significant amount of investment from top investors

  • YC Funded Startup funded by Y Combinator

  • Growing fast Showed strong hiring growth in the past month

Employees joined from

Nortel Networks

Goldman Sachs

Stanford University

Justworks

CGS Administrators, LLC

Founders

Trey Holterman Founder

San Francisco Bay Area

View the team

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