Senior Full-Stack Engineer - Build AI Product Surfaces

Together AI; United States; On-site; USD 160,000 - 230,000; Full time

Benefits offered by this job

Startup equity

Health insurance

Competitive benefits

Job summary

Together AI is hiring a fullstack engineer to ship high-impact features across Playground, Model Garden, Fine-Tuning, File Management, Batch Processing, and Model Evals. You will own projects end-to-end, from data model and API design to the user interface, collaborating with design, product, and engineering to deliver intuitive experiences.

This role sits in a small, fast-moving team where one strong engineer moves the needle, seeing work in production, instrumenting it, and using data to shape

Qualifications

• 4-7 years of experience shipping real product to users.
• Strong JavaScript/TypeScript fundamentals.
• Strong React expertise in production environments.
• Full-stack fluency from data model to UI and API design.
• Curiosity about AI/LLMs and agentic workflows.

Responsibilities

• Ship improvements and new capabilities across core product surfaces.
• Own projects end-to-end from data model to UI.
• Collaborate to build clean, typed interfaces in the web app.
• Instrument and measure what you ship with product analytics and monitoring.
• Work with design, product, and engineering to unlock user value.
• Raise the bar on frontend and fullstack quality through code reviews.

Skills

JavaScript/TypeScript

React

Full-stack

Go or Python

Next.js

Tailwind

shadcn/ui

Product analytics

Grafana

CI/CD

API design

Data modeling

Tools

Amplitude

Grafana

Job description

Together AI is hiring a fullstack engineer to ship high-impact features across Playground, Model Garden, Fine-Tuning, File Management, Batch Processing, and Model Evals. You will own projects end-to-end, from data model and API design to the user interface, collaborating with design, product, and engineering to deliver intuitive experiences.

This role sits in a small, fast-moving team where one strong engineer moves the needle, seeing work in production, instrumenting it, and using data to shape