Founding Engineer

4 days ago


Slough Berkshire, United Kingdom Explore Group Full time

Founding Engineer – Early-Stage Deep Tech Startup Full-time | Onsite in London £180,000 + Substantial Equity An early-stage, stealth-mode startup is looking for a Founding Engineer to join the team in central London. This is a unique opportunity to help build a transformative new platform at the intersection of software systems, automation, and intelligent infrastructure. Founded by leading academics and proven entrepreneurs, the business is backed by top-tier investors and is solving complex technical problems that demand creativity, rigour, and ambition. The Role Build and own core systems and architecture from the ground up Work closely with the founding team on product direction and technical strategy Make key decisions across the full stack — from infrastructure to user-facing elements Contribute to the early engineering culture, processes, and hiring Ideal Background Experience building complex systems in a startup or high-growth tech environment Strong computer science fundamentals; comfortable working across multiple layers of the stack Demonstrated ability to operate in fast-moving, ambiguous environments Bonus: familiarity with compilers, distributed systems, systems design, or programming languages theory Offer £180,000 base salary Significant equity in a high-potential startup London-based, full-time — onsite collaboration with a world-class founding team


  • Founding Engineer

    4 days ago


    Slough, Berkshire, United Kingdom Flywheel Full time

    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:...


  • Slough, Berkshire, United Kingdom Mixture of Experts Full time

    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...


  • Slough, Berkshire, United Kingdom Oho Group Ltd Full time

    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...


  • Slough, Berkshire, United Kingdom Harnham Full time

    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...

  • Founding AI Engineer

    2 weeks ago


    Slough, Berkshire, United Kingdom Harnham Full time

    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...

  • TypeScript Engineer

    2 weeks ago


    Slough, Berkshire, United Kingdom Oliver Bernard Full time

    Founding Engineer – Early-Stage, YC-Backed Startup (London / Hybrid) Salary: £100k–140k Equity: 1–3% (founding-level) Hybrid working: Central London, 3 days p/week in office. Tech Stack: TypeScript, Node.js, React, Python, LangChain, OpenAI/Anthropic I'm working with a YC-backed startup that's building the next generation of AI-native...

  • Full-Stack Engineer

    2 weeks ago


    Slough, Berkshire, United Kingdom Oho Group Ltd Full time

    Full-Stack Engineer/ Founding CTO - Early-Stage AI Start-Up - London New position released for a Full-Stack Founding CTO in a very well-funded, early-stage AI start-up in London. You will collaborate directly with the two founders to build a product from the ground up. You will be looking to work for a business with a real can-do attitude with exceptional...

  • Backend AI Engineer

    2 weeks ago


    Slough, Berkshire, United Kingdom Harnham Full time

    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...


  • Slough, Berkshire, United Kingdom Bibex Full time

    Head of Engineering (Founding Team) London / Remote | Full-time | Early-stage startup Bibex is building the global IP discovery platform for publishing, film/TV and beyond. We use AI to surface high-potential stories from fragmented global markets, connecting them with scouts, publishers, studios and producers. We're backed by experienced founders (Footnote...

  • Lead AI Engineer

    4 days ago


    Slough, Berkshire, United Kingdom EdAid Full time

    OtherUniversity (OU) is building the world's first AI-powered university for degree apprenticeships - a new model of higher education that is faster, smarter, employer-funded, and built for real professional mastery. We are looking for a Lead AI Engineer to join as our founding technical hire. This is a hands-on role: you will design, build, and own the core...