Founding Engineer (Full-Stack with AI) - OpenFunnel (YC F24) : Job Details

Founding Engineer (Full-Stack with AI)

OpenFunnel (YC F24)

Job Location : San Francisco,CA, USA

Posted on : 2025-09-12T13:26:00Z

Job Description :

We're looking for OpenFunnel's Founding Full Stack Engineer (with AI)

You'll work directly with extremely technical founders, be close to customers, ship fast, and make high-impact technical decisions that shape the future of the product and company.

You'll be given full view in customer's pain points and how your contribution makes their lives easier.

Responsibilities

  • Extensive Prompt Engineering, Evaluation, Monitoring - optimizing for accuracy and speed.
  • Optimize agent data and compute consumption optimization
  • Handle durable and parallel execution of long running agent workflows
  • Work with vector Databases, Re-rankers and writing large scale data aggregation and processing pipelines.
  • Attending user office hours with founders and understand customer pain points to translate to Prompts.

Qualifications

  • You have built and scaled Full Stack applications from 0 to 1.
  • You have stories of handling Sev-1 incidents
  • You are well versed in JS, Python, Typescript and frameworks like NextJS, FastAPI, Postgres, Auth frameworks etc.
  • You have good cloud infra knowledge and have worked with Docker, Helm, Kubernetes - any cloud provider like AWS, Azure or GCP.
  • Experience with AI agents and LLM pipelines.
  • Strong opinions about performance or API design and Debugging skills.
  • Ability to understand, communicate and justify trade-offs between speed and complexity.

Compensation

$120,000 - $140,000 per year

(Actual compensation may vary based on experience and qualifications)

Why join OpenFunnel to do your life's work

  • We are building Lovable for GTM, the last GTM engineer.
  • YC‑backed and seed‑funded, with angels from the GoogleGemini team and investors behind PikaLabs, MistralAI, and Rippling.
  • Agentic LLMs now search, scrape, listen, and structure data into high‑value insights, making static databases like Apollo, ZoomInfo, and LinkedIn obsolete.
  • We believe the GTM engineer will be the first engineering role fully automated by AI agents.
  • Demand is extremely high, and we aim to scale as quickly as possible.
  • Join us if you want to work with a state of the art tech stack and customers who are building world changing AI products
Seniority level
  • Seniority levelMid-Senior level
Employment type
  • Employment typeFull-time
Job function
  • Job functionEngineering and Information Technology
  • IndustriesSoftware Development

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