Senior Applied AI Engineer
- Salary
- $180K–$240K
- Moves you to
- United States
- Support
- Visa sponsorship
- Posted
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This is a role that TechTree is recruiting for on behalf of one of our clients.
TechTree is an AI-driven recruitment platform working with high-growth companies.
When you apply, our AI Agent matches you not just to this role, but to other relevant opportunities across our network, so one application can unlock multiple roles.
Senior Applied AI Engineer — Own the agent systems behind an AI + software platform, from architecture to evals. San Francisco, on-site.
We're building a hybrid of AI and software standing on one shared brain: it holds your context and hands you real software built on top of it. We're a team of about 15, backed by top-tier investors and Y Combinator, based in the Presidio, San Francisco.
This is a senior seat. You'll build, refine and scale the agent systems inside our product — and when one breaks for a customer, that's on you. A lot of what you'll decide has no playbook yet.
What You'll Do
→ Build multi-step, tool-using agents that hit real APIs and handle retries, auth, timeouts and edge cases
→ Design agent memory that persists state across runs — migrations, context organization, orchestration state
→ Own and evolve the eval framework, from automated checks to human-in-the-loop scoring
→ Dig into production failures from traces and fix the underlying system
What We're Looking For
→ 4+ years of engineering experience, including shipping production software
→ You've run at least one agent-like system in production and made the architecture calls on it
→ Hands-on with agent orchestration, memory management, tool use and evaluation
→ You write production-grade code and would rather ship than polish forever
Base $180K–$240K + meaningful early-stage equity, plus health, dental, 401(k), considerable PTO. Bay Area based or willing to relocate; US work authorisation required (O-1/J-1 sponsorship possible for exceptional candidates).
What is TechTree?
TechTree combines AI agents with a human support team to give candidates a better, more transparent hiring experience.
Our AI Agent gets to know your background, experience, and what you're optimising for. It continuously matches you to live roles across our network where there's genuine alignment, not just keyword overlap.
Our Human Team is there to support you through the process — answering questions, adding context, and making sure you're never left guessing or ghosted.
We only post real jobs. Every role on TechTree is a live, active hire.
TechTree is an AI-driven recruitment platform working with high-growth companies.
When you apply, our AI Agent matches you not just to this role, but to other relevant opportunities across our network, so one application can unlock multiple roles.
Senior Applied AI Engineer — Own the agent systems behind an AI + software platform, from architecture to evals. San Francisco, on-site.
We're building a hybrid of AI and software standing on one shared brain: it holds your context and hands you real software built on top of it. We're a team of about 15, backed by top-tier investors and Y Combinator, based in the Presidio, San Francisco.
This is a senior seat. You'll build, refine and scale the agent systems inside our product — and when one breaks for a customer, that's on you. A lot of what you'll decide has no playbook yet.
What You'll Do
→ Build multi-step, tool-using agents that hit real APIs and handle retries, auth, timeouts and edge cases
→ Design agent memory that persists state across runs — migrations, context organization, orchestration state
→ Own and evolve the eval framework, from automated checks to human-in-the-loop scoring
→ Dig into production failures from traces and fix the underlying system
What We're Looking For
→ 4+ years of engineering experience, including shipping production software
→ You've run at least one agent-like system in production and made the architecture calls on it
→ Hands-on with agent orchestration, memory management, tool use and evaluation
→ You write production-grade code and would rather ship than polish forever
Base $180K–$240K + meaningful early-stage equity, plus health, dental, 401(k), considerable PTO. Bay Area based or willing to relocate; US work authorisation required (O-1/J-1 sponsorship possible for exceptional candidates).
What is TechTree?
TechTree combines AI agents with a human support team to give candidates a better, more transparent hiring experience.
Our AI Agent gets to know your background, experience, and what you're optimising for. It continuously matches you to live roles across our network where there's genuine alignment, not just keyword overlap.
Our Human Team is there to support you through the process — answering questions, adding context, and making sure you're never left guessing or ghosted.
We only post real jobs. Every role on TechTree is a live, active hire.
