Senior AI-First Full-Stack Engineer (Hybrid)

Marvin; United States; Hybride; USD 160 000 - 190 000; Plein temps

Avantages offerts par ce poste

Health, dental, and vision

Equity

401(k)

Unlimited PTO

Hybrid 2 days/wk in office (LA or DEN)

Résumé du poste

Marvin in Denver/Los Angeles is hiring a Senior Software Engineer to join a hybrid 2-day-in-office Full-Time role. You will ship an AI-native frontend/backend in a modern TypeScript/Next.js stack, with an emphasis on integrated AI features and responsible handling of PHI data.

You’ll own features end to end, extend the AI coach, and contribute to observability, testing, and reliability. Collaboration with design, clinical, and partner teams is essential.

Qualifications

• 5+ years building production web applications with TypeScript, React and Node.js.
• Strong experience with Next.js and cloud deployment (AWS).
• Demonstrated testing habit across unit, component and E2E using Vitest/Storybook/Cypress/Playwright.

Responsabilités

• Own features end to end in a Next.js/React/TypeScript app, Prisma/Postgres backend and AWS infra.
• Extend AI coach and build LLm-powered member experiences with data retrieval and structured extraction.
• Design evaluation and observability for AI features to monitor quality and latency.
• Advance AI-assisted development practices, including agent instructions and reusable skills.
• Handle PHI data responsibly with redaction, audit trails and vendor data agreements.
• Review code and mentor teammates to improve testing and reliability.

Formation

Bachelor's degree in Computer Science

Outils

Next.js

TypeScript

React

Node.js

Prisma

PostgreSQL

AWS

Vitest

Storybook

Cypress

Playwright

Docker

Terraform

Claude Code

Cursor

Codex

LangSmith

Langfuse

Description du poste

Marvin in Denver/Los Angeles is hiring a Senior Software Engineer to join a hybrid 2-day-in-office Full-Time role. You will ship an AI-native frontend/backend in a modern TypeScript/Next.js stack, with an emphasis on integrated AI features and responsible handling of PHI data.

You’ll own features end to end, extend the AI coach, and contribute to observability, testing, and reliability. Collaboration with design, clinical, and partner teams is essential.