Senior Fullstack Engineer – On-Site SF, End-to-End Impact

Envoy; San Francisco (CA); On-site; USD 205,000 - 225,000; Full time

Job summary

Envoy is seeking a Senior Fullstack Engineer to own end-to-end product areas, building scalable frontend and backend features with React, TypeScript, and REST/GraphQL APIs. You will collaborate with product, design, and engineering to deliver high‑quality experiences and scalable systems across the platform.

The role requires 7+ years of production software experience, strong frontend fundamentals, and backend API design with identity/authentication expertise.

Qualifications

• 7+ years of experience building production software with fullstack or cross-stack contributions.
• Strong frontend fundamentals with React, JavaScript/TypeScript, HTML, and CSS.
• Backend experience with RESTful and/or GraphQL APIs and production exposure to TS, Java/Kotlin, or Ruby on Rails.
• Experience designing relational schemas and working with Postgres; familiarity with Git/GitHub and CI/CD.
• Experience integrating identity and authentication systems (SCIM, SSO, OAuth, SAML).

Responsibilities

• Build and ship high‑quality, scalable features across the full stack (frontend, backend, APIs).
• Collaborate with Product, Design, and Engineering to deliver user‑centered solutions.
• Design and evolve backend systems and data models consumed by web and mobile clients.
• Develop frontend experiences with React and modern web technologies for performance and accessibility.
• Contribute to architecture decisions, shared components, and engineering standards.
• Own features end‑to‑end from discovery through launch and iteration.
• Create intuitive administrator experiences for managing users, access, permissions, identity and authentication.

Skills

React

JavaScript/TypeScript

HTML/CSS

REST/GraphQL

Identity systems

PostgreSQL

Git/GitHub

CI/CD

Cross-functional collaboration

Product mindset

Education

BS or MS in Computer Science or related field

Tools

TypeScript

Java

Kotlin

Ruby on Rails

GraphQL

Job description

Envoy is seeking a Senior Fullstack Engineer to own end-to-end product areas, building scalable frontend and backend features with React, TypeScript, and REST/GraphQL APIs. You will collaborate with product, design, and engineering to deliver high‑quality experiences and scalable systems across the platform.

The role requires 7+ years of production software experience, strong frontend fundamentals, and backend API design with identity/authentication expertise.