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Tech Stack
Tools & technologiesReactRuby on RailsTypeScript
About the role
Key responsibilities & impact- You'd be one of three engineers on a small senior team, working directly with me (CEO), rebuilding the whole experience around agents that work for the user. You'll ship to millions of people who'll tell you, immediately, whether your thing worked.
- AI features end-to-end. You own the API, the model orchestration, the streaming UI, the evals, the rollout. Nothing gets thrown over a wall.
- Agentic workflows. Multi-step agents that research roles, analyze careers, write bullets, prep interviews, negotiate offers. Real agents, not chatbots with retrieval bolted on.
- Streaming interfaces that feel instant, handle retries gracefully, and degrade well when a model does something weird.
- The eval system this team needs. Harnesses, regression suites, latency and cost budgets. The thing that lets the next ten engineers ship without vibes.
- Prompt and feature iteration infra. The system that lets us A/B test a new prompt without shipping a release.
- Time with users. Customer calls, support tickets, user interviews. You'll know who you're building for, by name.
Requirements
What you’ll need- You've shipped real LLM features in production. Tool use, RAG, agents that don't silently fail. Years of experience matters less than the scar tissue. We want someone with multi-step agents in muscle memory and opinions about which orchestration patterns work and which ones are demoware.
- Full-stack with a spike. Strong in at least one of React/TypeScript or Rails. Comfortable in both. Willing to pick up whichever side of the stack the problem lives on without waiting for a hand-off.
- Taste on evals. You've felt the pain of not having them. You have a point of view on what good ones look like, and you want to build the system this team is missing.
- You use AI tools like a power user. Claude Code, Cursor, Codex, OpenCode. You ship 2-3x faster than engineers who don't, and you can articulate why.
- Craft. You care about UX, speed, and polish. You push back when something doesn't feel right, not because it's in the spec, because it matters.
- Bias for closure, not just action. You can take a fuzzy problem and return a working thing. You finish what you start.
- Customer proximity. You want to talk to users, read tickets, sit on sales calls. The best features come from the closest listening.
- US-based, no sponsorship available.
Benefits
Comp & perks- Meaningful ISOs. Early equity at a company with real revenue, not vapor
- AI tools budget. Expense whatever helps you ship faster. Claude Max, Cursor, Codex, whatever's next
- Fully remote (US) · remote office stipend
- Flexible PTO (20+ days suggested), 12 weeks paid parental leave, 80–100% health coverage, 4% 401(k) match
- Annual team offsite
- Career development stipend
- 1-month severance if it doesn't work out
ATS Keywords
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Hard Skills & Tools
LLM featuresmulti-step agentsReactTypeScriptRailsAPI developmentmodel orchestrationA/B testingeval systemsUX design
Soft Skills
customer proximitybias for closurecraftcommunicationproblem-solvingcollaborationuser empathyiterationfeedback acceptanceadaptability