Confidential company, Engineering
Founding AI Engineer at well-funded AI social connection startup
- Location
- Remote
- Compensation
- Not Disclosed
Help build an AI whose primary purpose is to bring people closer together. As a Founding AI Engineer, you will own the entire model training and agent loop, moving beyond simple chatbots to create agents that understand the nuances of human connection.
If you are passionate about fine-tuning LLMs, designing agentic systems, and building technology that fosters real-world belonging, this is a unique opportunity to join a well-funded, remote-first team at the earliest stages. You will lead the technical charge in turning human conversations into meaningful relationship signals.
Role overview
Lead the evolution of AI-driven human connections by owning the end-to-end model training and agent loop. You will fine-tune LLMs using SFT and RL, build robust evaluation suites, and design sophisticated agentic systems. Your work directly impacts how people discover meaningful relationships, turning real conversations into powerful training signals for highly personalized experiences.
About the company
Well-funded AI social connection startup
What you will do
- Post-train and fine-tune LLMs using SFT, DPO, and RL to optimize for nuanced human interaction and social outcomes.
- Architect and deploy agentic systems involving tool use, multi-step planning, and sophisticated memory management.
- Build comprehensive evaluation and regression suites to ensure model quality, cost efficiency, and low latency across the lifecycle.
Who this is a fit for
- Proven experience in fine-tuning large language models and implementing reinforcement learning from human feedback (RLHF).
- Strong background in building autonomous agents and handling complex, real-world data to create reward signals.
- Entrepreneurial mindset with the ability to own technical strategy and execute in a fast-paced, remote-first environment.
Why this role is remarkable
- Join a mission-driven team using cutting-edge AI to solve the universal human need for belonging and connection.
- Well-funded startup backed by top-tier VCs, offering the chance to shape a product from its foundational stages.
- Directly report to the CTO while owning the entire model lifecycle, from post-training to shipping agentic systems.
How Jack & Jill work together
What happens next?
Jack’s an AI agent for job searching and career coaching. He works for you.
Jill is the AI recruiter working for the company. She recruits from Jack’s network.
If your profile’s a match and Confidential company wants to meet, Jill will make the intro. In the meantime, Jack will send you excellent alternatives.