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Senior Fullstack Engineer, Tech Lead - San Francisco

PayZen

PayZen

San Francisco, CA, USA
Posted on Mar 13, 2025
PayZen is on a mission to bring financial health to healthcare. Our products improve both access and affordability for patients and cash flow & administrative complexity for medical providers. We are trusted by a rapidly growing number of health systems, hospitals, and physician groups and are backed by leading venture capital investors.

Responsibilities

  • Collaborate with product managers and engineers to design and build user-centric products that make a meaningful impact on people's lives.
  • Serve as a tech lead on full stack initiatives - guiding architectural decisions, mentoring junior engineers, and delivering end-to-end solutions across both frontend and backend, from designing intuitive user interfaces to building robust APIs and scalable services.
  • Write reusable, testable, and efficient code while adhering to best practices for maintainability and performance.
  • Develop new features and user interfaces with a mobile-first approach, ensuring seamless experiences across devices.
  • Contribute to the architecture and design of the product, participating in technical discussions and decision-making processes.
  • Work closely with cross-functional teams to develop a deep understanding of business needs and translate them into effective technical solutions.
  • Support team success by fostering collaboration, sharing knowledge, and contributing to a positive and productive work environment.

Requirements

  • 7+ years of experience in full stack software development, including at least 1 year of success in a 0-to-1 product environment.
  • 7+ years of experience in JavaScript technologies, including Node.js and React.Js
  • Strong understanding of user experience, product strategy, and scalable database design.
  • A collaborative mindset and excellent communication skills, both written and verbal.
  • A track record of designing, building, and deploying high-quality, customer-focused solutions.
  • Experience with testing platforms, unit testing, and clean, maintainable code.

Why Payzen?

  • An opportunity to positively affect the lives of thousands of patients
  • A chance to join a high-growth company at an early stage.
  • Contribute to the development of a product that revolutionizes medical payments in ways never seen before.
  • Become a key member of a collaborative, high performing team, shaping its growth and success.
  • Competitive pay, benefits and stock options.