Staff Engineer, Product UI Platform

Together AI · San Francisco, CA · Engineering

principal software engineering Principal Engineer tech_leadership 8+ yrs
$200,000 – $275,000
USD per year

About this role

Together AI is hiring a principal-level Principal Engineer in the software engineering function based in San Francisco, CA. The posting calls out experience with TypeScript, React, Next.js, Node.js and roughly 8+ years of relevant work. Compensation is listed at $200,000–$275,000 per year.

Role
Principal Engineer
Function
software engineering
Level
principal
Track
Tech leadership
Employment
Full-time
Location
San Francisco, CA
Experience
8+ years
Department
Engineering
AI Summary
Staff-level Principal Engineer to lead architectural evolution of Together AI's Product UI Platform, owning the Next.js/TypeScript/Node.js web runtime and BFF layer. Requires 8+ years building production web applications, deep React/Next.js expertise, and proven experience evolving monolithic architectures into modular systems while mentoring teams.
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Job description

from Together AI careers

About the Role

Together AI is seeking a highly experienced Staff Engineer to join the Product Engineering team, to own and evolve the Product UI Platform — the architectural foundation that powers how product teams build full-stack features across our web surface.This role is responsible for evolving the product runtime from its current monolithic growth architecture to a scalable, modular, and high-leverage platform that supports increasing scale, reliability requirements, and a growing number of feature engineers. You will define and drive the technical direction of the Next.js/typescript/nodejs web runtime, BFF layer, and application integration patterns, partnering peer-to-peer with Backend and API Platform leaders to ensure cohesive architectural evolution across layers. This is a deeply hands-on role for and experienced engineer with real life experience leading and implementing architectural evolution and is ready to take full ownership of a critical technical domain.

Responsibilities

  • Lead the next phase of architectural evolution for the product application platform
  • Design and implement foundational platform primitives used across product teams
  • Reduce architectural entropy and duplication across the web surface
  • Improve application-level performance and reliability metrics
  • Drive incremental modularization without disrupting feature velocity
  • Establish performance budgets and enforce application-layer guardrails
  • Partner with Backend Platform to shape API ergonomics and integration boundaries
    • This is an excerpt. Read the full job description on Together AI careers →
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