Founding Staff Engineer: End-to-End Platform Builder

Glen; San Francisco (CA); On-site; USD 180,000 - 240,000; Full time

Job summary

Glen is seeking a founding engineer to own end-to-end product development and build the foundations of our platform. You will drive the full stack, from user experience to infrastructure, and relentlessly pursue the next improvements that move the product forward for everyone.

You will design benchmarks, measure context impact on the agent, and ship durable, high-volume workflows. You’ll own customer outcomes across teams, and balance speed with reliability in a fast-moving early-stage startup.

Qualifications

• Built full-stack products from zero to one end-to-end deployment.
• Experience handling high-volume systems and durable workflows.
• Founding experience or significant startup involvement.
• Contributed to large open-source projects or personal side projects.

Responsibilities

• Design benchmarks to measure context improving agent performance.
• Own customer experience end-to-end and deploy with empathy.
• Build scalable systems for fast shipping without breaking things.
• Prioritize the 20% of work that delivers 80% of value.

Skills

TypeScript

Next.js

React

Tailwind

tRPC

Postgres

Inngest/Temporal

MCP

CLI

Plugins

Tools

MCP

CLI

Plugins

Job description

Glen is seeking a founding engineer to own end-to-end product development and build the foundations of our platform. You will drive the full stack, from user experience to infrastructure, and relentlessly pursue the next improvements that move the product forward for everyone.

You will design benchmarks, measure context impact on the agent, and ship durable, high-volume workflows. You’ll own customer outcomes across teams, and balance speed with reliability in a fast-moving early-stage startup.