At a Glance
- Tasks: Design and build cutting-edge AI systems for decision-making in a dynamic startup.
- Company: Join OpenHuman, an innovative London startup redefining decision intelligence.
- Benefits: Equity options, high ownership, and direct access to founders.
- Other info: Be part of a collaborative team with significant career growth potential.
- Why this job: Shape a groundbreaking AI product and tackle complex technical challenges.
- Qualifications: 5+ years in software engineering with expertise in Python and AI systems.
The predicted salary is between 80000 - 100000 £ per year.
OpenHuman is an early-stage London startup building a category-defining decision platform that helps companies preview the future. By creating auditable AI systems for reasoning about uncertainty, OpenHuman enables teams to test pricing, product, and growth decisions in a safe environment before they are deployed in the real world.
OpenHuman is building a decision platform that enables companies to preview the impact of high-stakes product and pricing changes before they go live. As a Founding AI Engineer, you will design the intelligence layer, building auditable LLM and agentic workflows that reason over messy data to provide testable, evidence-based forecasts.
Location: London, UK
Why this role is remarkable:
- Shape a category-defining AI product from the ground up, moving beyond chatbots to build a sophisticated decision intelligence platform.
- Solve deeply complex technical challenges involving reasoning under uncertainty, counterfactual analysis, and creating auditable AI systems that separate evidence from speculation.
- Join an early-stage team in London with direct founder access and high ownership over technical architecture and product direction.
What You Will Do:
- Design and build production-grade LLM and agentic workflows that transform customer, market, and operational data into reliable reasoning contexts.
- Develop rigorous evaluation and quality-control systems for nondeterministic AI outputs, including tracing and replay frameworks for model comparison.
- Collaborate with founders to define how the platform measures prediction accuracy and trustworthiness against real-world business outcomes.
The ideal candidate:
- Brings 5+ years of software engineering experience with deep expertise in Python and recent hands-on work building production-level LLM or RAG systems.
- Possesses an evaluation-driven mindset, focusing on model failure modes, hallucination management, and statistical calibration of AI outputs.
- Demonstrates high agency in ambiguous startup environments, with the ability to turn customer problems into repeatable, production-ready AI workflows.
Founding AI Engineer (+ Equity) at OpenHuman in London employer: Jack & Jill
At Jack & Jill, we pride ourselves on being an exceptional employer that fosters a dynamic and innovative work culture. Our team enjoys a range of benefits including flexible working arrangements, professional development opportunities, and a collaborative environment that encourages creativity and growth. Located in a vibrant area, we offer unique advantages such as access to cutting-edge technology and the chance to work with industry leaders in AI-driven marketing strategies.
