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Software Engineer, Full Stack

InstaLily

San Francisco, CA · full time · Mid

$150,000 – $190,000

Listed on InstaLily’s own careers site. You apply with them directly — we never stand between you and the employer.

What this role is

This role builds the core AI agent platform at a fast-growing enterprise AI startup, working across backend services, frontend UIs, and LLM infrastructure. You'll own features end-to-end while staying embedded with customers, translating their workflows into shipped product and defending architectural decisions to executives.

Our summary, not InstaLily’s wording. The full posting is on their site.

Skills this role names

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What they ask for

Required

  • Bachelor's or Master's in CS, engineering, math, physics, or related field
  • 3–5 years of software engineering experience shipping production systems across the full stack
  • Backend fluency in Python, TypeScript, or similar languages
  • Frontend fluency in React, Next.js, or modern TypeScript
  • System design fundamentals: API design, data modeling, async patterns, caching, queues
  • Frontend architecture knowledge: component design, state management, performance
  • Production experience with AWS, GCP, or Azure and CI/CD pipelines
  • Built and shipped something real with LLMs in production
  • Comfortable running technical discovery sessions with customers
  • Able to defend architectural decisions to non-technical executives
  • Strong written and verbal communication skills

Nice to have

  • Experience mentoring junior engineers or leading technical reviews
  • Prior experience in forward-deployed, solutions engineering, or client-embedded roles at B2B software companies
  • Experience with GCP, Vercel, Temporal, Alembic, or Docker
  • Prior experience integrating with third-party and enterprise systems

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