Founding Engineer

Founding Software Engineer - Cybersecurity Start-Up - LondonFounding Software Engineer for an early-stage cybersecurity start-up redefining how organisations protect data and infrastructure. Join a founding team with a proven record of building successful start-ups, this is a chance to be part of something from the ground up.You'll have3+ years of...

Founding Engineer - Your Ticket to YC W26Founding Engineerrequired to be thefirst engineering memberof an exciting pre-seed start-up on its journey toY Combinator W26. The team is very early, already accepted into YC, and backed by alarge pre-seed round from top-tier investors.This is an extremely rare opportunity to go through Y Combinator and experience...

Founding Engineer — AI Agents | Onsite | Python/TypeScript | £££ + 1–1.5% Equity I’m supporting a hyper-growth AI startup that’s building next-generation AI agents —automation systems capable of reasoning, planning, and executing complex workflows end-to-end. They’ve secured serious early traction, are backed by top-tier investors, and are now...

Founding Engineer - AI Ops Platform - £90–120k + Generous EquityHelp build an AI operating system that automates supply chain, forecasting, logistics, and finance for consumer brands. You'll ship end-to-end features across backend, frontend, infra, and AI workflows - working directly with the founders.Work across a modern stack including TypeScript,...

Founding Engineer – Security Platform | LondonReady to join one of London's most exciting security startups? Backed by top VCs and already processingbillions of events every week, this team is redefining how enterprises protect their cloud environments - and they're looking for aFounding Software Engineerto help shape the journey.They'vedoubled ARR in the...

Founding AI 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...

Founding Full Stack Engineer | AI SaaS Venture I'm partnering exclusively with a well-funded, Manchester-based AI startup that is tackling a genuinely difficult, real-world challenge. Are you a Senior or Staff-level Full Stack Engineer ready to move beyond corporate structure, build a product from the ground up, and earn a genuine stake in the outcome? This...

Founding Engineer (Legal AI / Evidence Intelligence) @ PivotMove beyond chat. Build Evidence Intelligence.Learn more: About Pivot:The legal system has plenty of evidence but little structured insight. While most tools focus on "AI chat" and simple retrieval, Pivot is building a new category: Evidence Intelligence - an AI-native intelligent operating...

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:...

We're looking for a Founding Engineer to help build the operating system for social care transforming, legacy, paper heavy processes into intelligent, automated workflows powered by GenAI.You'll need solid fullstack engineering experience, with strong foundations in Python and Comfort working across cloud infrastructure, SQL databases, and shipping...