Agentic Engineer — Full Stack ($100k-$150k + Equity) at AI-native truth infrastructure startup

This is a job that Jill, our AI Recruiter, is recruiting for on behalf of one of our customers. She will pick the best candidates from Jack's network. The next step is to speak to Jack. Job Title Agentic Engineer — Full Stack Salary $100,000–$150,000 + Equity Company Description AI-native truth infrastructure startup building a platform for adversarial dispute resolution Job Description You will build greenfield systems for structured adjudication, creating the world's first adversarial fact-checking platform. Working across the full stack, you'll develop ELO rating engines and AI-assisted evidentiary tools. This role combines deep asynchronous work with high-intensity monthly global summits, providing a unique opportunity to define a new category of civilizational scale infrastructure. Location London, UK (Remote-First) Why this role is remarkable

• Work on category-defining truth infrastructure that uses adversarial AI and structured methodology to solve global-scale adjudication challenges.
• Unique hybrid lifestyle: 3 weeks of deep asynchronous work per month followed by a mandatory one-week summit in cities like Nassau, NYC, or London.
• High-autonomy environment where you own features end-to-end, from architecture to deployment, within a small team of elite engineers.

What You Will Do

• Design and architect real-time adversarial workflows and AI-native systems for structured argumentation and dispute resolution.
• Integrate large language models and agentic programming patterns into the core product to automate evidentiary analysis and adjudication.
• Build and scale robust data pipelines and the infrastructure layer necessary to support a global platform for adversarial fact-checking.

The ideal candidate

• Proficient in full-stack software engineering with a track record of shipping production-grade products in high-velocity, high-ambiguity environments.
• Expert in modern AI tooling and LLM integration, specifically focused on agentic programming and automated workflow design.
• Exceptional written communicator who thrives in asynchronous work environments and possesses a high bias toward rapid building and iteration.

Who are Jack & Jill? Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support. And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate. How does this work?

• 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 it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network. Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description. We appreciate this can make them look a bit suspect, but there isn't much we can do about it. Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.