Senior Full-Stack Engineer, AI Platform

Together AI; San Francisco (CA); On-site; USD 160,000 - 230,000; Full time

Benefits offered by this job

Health insurance

Equity

Competitive benefits

Job summary

Together AI in San Francisco is seeking a fullstack engineer to ship features across Playground, Model Garden, Fine-Tuning, File Management, Batch Processing and Model Evals. You will own end-to-end work, collaborating with engineers to build clean interfaces and ship impactful user value.

You’ll instrument outcomes, monitor health, and contribute to frontend and backend quality on a small, high-ownership team.

Qualifications

• 4-7 years of experience shipping real product to users.
• Strong JavaScript/TypeScript fundamentals; TypeScript valued.
• Strong React experience in production.
• Full-stack fluency from data model to API to UI.
• Pragmatic engineering approach based on user value.
• Curiosity about AI/LLMs and understanding models.
• Experience with agentic workflows and when to lean on AI.
• Cross-functional teamwork and shared ownership.
• Nice-to-have: Next.js, Tailwind, shadcn/ui experience.
• Nice-to-have: Amplitude, Grafana, CI/CD; Go or Python backend.

Responsibilities

• Ship improvements and new capabilities across core product surfaces.
• Own projects end-to-end from data model to UI.
• Collaborate with engineers to build clean, typed interfaces.
• Instrument and measure ship outcomes with analytics and health metrics.
• Work with design, product and engineering to unlock user value.
• Raise frontend and fullstack quality through code reviews and architecture decisions.

Skills

JavaScript/TypeScript

React

Full-stack development

Next.js

Tailwind

shadcn/ui

Amplitude

Grafana

CI/CD

Go or Python

Tools

Grafana

Amplitude

CI/CD pipelines

Job description

Together AI in San Francisco is seeking a fullstack engineer to ship features across Playground, Model Garden, Fine-Tuning, File Management, Batch Processing and Model Evals. You will own end-to-end work, collaborating with engineers to build clean interfaces and ship impactful user value.

You’ll instrument outcomes, monitor health, and contribute to frontend and backend quality on a small, high-ownership team.