Founding AI Engineer

Founding Engineer – AI Startup (Onsite) Ready to build something extraordinary? This is your chance to be one of the first engineers at a high-growth AI startup that's redefining what's possible with intelligent systems. We're talking true zero-to-one engineering — shaping the product, the culture, and the company from day one. You'll work alongside an...

Founding Product Engineer | AI | London / Hybrid | up to £120,000 base + equity Our client is looking for a Founding Product Engineer to help solve one of the biggest and most complex challenges in AI. This role would suit a Product Engineer who blends strong software engineering credentials with product thinking and a high-agency mindset. The problem they...

About us: Flywheel is building the AI-native content system for the best B2B companies. Simply put, we work with high calibre founders and execs to turn their expertise into compounding organic content that drives pipeline. We went from zero to $250k ARR in 60 days. This is the first inning. We believe the future of marketing teams includes a new role:...

This range is provided by Harnham. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range Direct message the job poster from Harnham Do you want to build the AI engine of an industrial SaaS startup? Have you ever deployed LLM-driven systems that power real-world decisions? Are you ready to lead...

Lead AI Developer | Hybrid (Slough, 2 days a week) | £75,000–£90,000 + BonusWe’re supporting a founder-led tech business building an AI-first platform within the industrial software sector. This is a hands-on technical leadership role, ideal for someone ready to take ownership of AI delivery in a modern SaaS environment.The OpportunityJoin a small,...

Managing Consultant - AI/ML, Computer Vision and Robotics Recruiter at Harnham Lead AI Developer | Hybrid (Slough, 2 days a week) | £75,000–£90,000 + Bonus We’re supporting a founder‑led tech business building an AI‑first platform within the industrial software sector. This is a hands‑on technical leadership role, ideal for someone ready to take...

Lead AI Developer | Hybrid (Slough, 2 days a week) | £75,000–£90,000 + BonusWe're supporting a founder-led tech business building an AI-first platform within the industrial software sector. This is a hands-on technical leadership role, ideal for someone ready to take ownership of AI delivery in a modern SaaS environment.The OpportunityJoin a small,...

Product Manager | AI SaaS | Up to £105,000 + Equity We're working with a fast-growing AI SaaS company that is transforming how property management firms run their operations. Their intelligent automation platform streamlines compliance, maintenance, lettings and tenant support — reducing admin workload by up to 80% through AI-driven workflows and natural...

Do you want to build the infrastructure powering the next generation of AI agents? Have you scaled backend systems that drive automation at speed? Ready to join a profitable AI startup transforming how industries deploy technology? A profitable, fast-growing AI company is building the "roads" for AI agents — providing the infrastructure that lets...

Do you want to build the AI engine of an industrial SaaS startup? Have you ever deployed LLM-driven systems that power real-world decisions? Are you ready to lead AI development end-to-end, reporting directly to the founder? A fast-growing industrial manufacturing SaaS spinout, this company is building an AI-native Insight & Decision Platform that connects...