Senior Product Engineer, Fullstack

Stack

Responsibilities

• ▹Ship improvements and new capabilities across Together AI's core product surfaces
• ▹Own projects end-to-end, from data model and API integration through the UI
• ▹Collaborate with engineers to build clean, typed, reusable interfaces
• ▹Instrument and measure what you ship with product analytics and monitoring
• ▹Work across design, product, and engineering to ship user value
• ▹Raise the bar on frontend and fullstack quality through code review

Requirements

• ▹4-7 years shipping real product to real users
• ▹Strong JavaScript/TypeScript fundamentals, TypeScript highly valued
• ▹Strong React expertise in a large-scale production environment
• ▹Full-stack fluency across data model, API design, state management, and UI
• ▹Pragmatic engineering judgment on when to move fast vs. slow down
• ▹Curiosity about AI and LLMs
• ▹Good judgment building and improving agentic workflows
• ▹Cross-functional 'we ship it' mentality

Nice to have

• ▹Next.js, Tailwind, and shadcn/ui experience
• ▹Familiarity with product analytics (e.g. Amplitude) and monitoring (e.g. Grafana)
• ▹Experience with CI/CD workflows
• ▹Experience with a backend language like Go or Python

Soft skills

What we offer

• ▹Competitive compensation
• ▹Startup equity
• ▹Health insurance
• ▹Other competitive benefits

About the company

Together AI is a research-driven artificial intelligence company committed to open and transparent AI systems. Its mission is to significantly lower the cost of modern AI systems by co-designing software, hardware, algorithms, and models; past contributions include FlashAttention, Hyena, FlexGen, and RedPajama.