Demo

Founding Engineer | Backend Infrastructure / AI Agents | TypeScript | Python | Startup experience

Optimal
San Francisco, CA Full Time
POSTED ON 4/15/2026
AVAILABLE BEFORE 10/11/2026

Founding Engineer | Backend Infrastructure / AI Agents | TypeScript | Python | Must have startup experience

Salary: $150,000 – $225,000 1–2% equity

Contract: Permanent

Location: San Francisco (Remote then Hybrid – 2/3 days onsite once office is established)

Eligibility: US Residents Only


🚨 Please only apply if you have ALL of the following 🚨


  • Backend infrastructure, SRE, or DevOps engineering experience
  • Experience shipping production-grade software for enterprise customers
  • Hands-on with cloud infrastructure (AWS, GCP, or Azure)
  • Startup or VC-backed company experience
  • Comfortable owning systems end-to-end with minimal oversight


πŸš€ Join a hyper-growth AI company tackling one of the largest, least-modernised industries on the planet - an industry responsible for trillions in annual spending that has barely been touched by software. This team builds AI-powered tooling that compresses months of complex, high-stakes workflows into hours for some of the biggest enterprise organisations in North America. They've just posted staggering revenue growth and are moving fast.


The founding team has serious pedigree - a repeat founder with a major exit, a former tech lead at one of the world's leading AI research divisions, and an operator with billions in project delivery under their belt. These are people who know how to build and how to win.


You'll be the second engineer in. High ownership. High impact. This is a genuine founding engineer opportunity.


ℹ️ Very Important Notes


  • This is a hands-on infrastructure and AI deployment role β€” not suitable for pure data science or ML research profiles
  • You must be comfortable owning reliability, security, and deployment in a fast-moving enterprise environment
  • Some customer-facing work is required to understand and support deployments
  • High autonomy expected β€” you design, build, ship, and iterate fast


Must-Haves


  • Strong backend infrastructure or SRE/DevOps engineering background
  • Experience building and owning secure, multi-tenant production infrastructure
  • Expertise with a major cloud provider (AWS, GCP, or Azure)
  • Ability to work independently across ambiguous, high-stakes environments
  • Startup mindset - scrappy, high-energy, and able to move fast
  • 1–5 years of professional software engineering experience


Bonus Experience


  • Experience deploying or managing production AI agents
  • Familiarity with enterprise security practices (SOC 2 readiness etc.)
  • Background in VC-backed startup environments
  • Full-stack engineering exposure (TypeScript, Python, Next.js, React)
  • CI/CD ownership and reliability engineering at scale


What You'll Be Doing

Infrastructure Ownership


  • Design and build secure, multi-tenant cloud infrastructure for enterprise customers from the ground up
  • Own CI/CD pipelines, cloud-native deployment, reliability, and enterprise-grade security
  • Build and maintain isolated environments with data separation, access controls, and audit trails


AI Agent Deployment


  • Deploy and manage production AI agents that own real developer workflows end-to-end
  • Build agent-based systems capable of running long-lived, stateful workflows including document ingestion and retrieval pipelines


Founding Contributions


  • Work directly with the founding team to shape product direction
  • Build internal tooling that accelerates development speed
  • Play a key role in how the engineering function is built and scaled


What They're Looking For


  • A high-agency engineer who thrives under pressure and owns outcomes fully
  • Someone who can operate at founding engineer level - not just execute, but shape direction
  • A builder who is energised by working on hard, real-world problems with massive stakes
  • An engineer who can work late when it matters and adapt fast to customer needs


If you meet the above requirements and want to join one of the most exciting early-stage teams in enterprise AI, get in touch for a fast response.

Salary : $150,000 - $225,000

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