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Senior Full-Stack Software Engineer

Promise
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Hybrid (Washington, D.C. and Oakland, CA)$165k - $215kFull-timePosted 11mo ago

About the role

Senior Full-Stack Software Engineer role at Promise, a YC-backed company modernizing government payments. Build interfaces and frameworks enabling users to interact with essential public services using React, TypeScript, and GraphQL. Opportunity to impact software architecture and user experience in a fast-growing, mission-driven team.

Responsibilities

  • Design and deliver efficient and reusable front-end systems, orchestration layers, and components that will directly impact thousands of monthly users.

Qualifications

  • A minimum of 7 years of experience in full-stack software development building impactful user interfaces, preferably in startups or highly dynamic environments.
  • A heartfelt commitment to creating software that centers around equity and accessibility.
  • Proficiency with modern front-end programming languages and web technologies (React/TypeScript preferred).
  • Proven track record of working independently and making decisions without direct oversight.
  • An inclusive, collaborative approach to teamwork and willingness to learn from others.

Skills

Required:ReactTypeScript
Nice to have:GraphQL

Benefits

  • Equity for All: stock options for full-time employees
  • 100% Paid Health Coverage: base medical, dental, and vision for employees and dependents
  • Flexible Hybrid Work: in-office at least three days a week
Last updated Jun 5, 2026. Interested? Apply on the company site.
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About Promise

Better payment systems for governments and the communities they serve.

Promise modernizes government payments helping agencies recover more revenue while giving residents flexible, humane ways to pay. We replace broken systems with tech that actually works for everyone.

artificial-intelligencefintechgovtechpayments
Company profileWebsite

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