Job description
The Company:
Join a fast-growing, VC-backed startup on a mission to modernise workflows for the global consulting industry. Backed by leading founders and investors, this organisation is dedicated to building next-generation AI tools that empower consultants by automating manual, repetitive tasks and enabling more meaningful work.
What you'll do:
As a Founding Product Engineer, you’ll help shape the foundation of groundbreaking AI products for consulting professionals. You’ll take ownership of key systems, moving beyond basic chat-bot experiences to create powerful, enterprise-ready workflows and user interfaces. Your responsibilities will include:
- Designing and delivering multi-step AI-driven workflows and user experiences.
- Owning end-to-end product features across the full technology stack.
- Turning complex consulting challenges into scalable product solutions.
- Collaborating closely with both technical and non-technical stakeholders, including client advisors and industry veterans.
- Driving the product vision and making impactful product decisions in a fast-paced, high-trust environment.
Key Skills:
- Experience as a Product or Full-Stack Engineer with the ability to quickly turn problem statements into working prototypes.
- Background in the consulting industry, either as a consultant or by supporting consulting teams in a technical capacity.
- Strong technical proficiency in NextJS, TypeScript, and LLM frameworks (e.g., Pydantic, LangGraph).
- Comfortable working with Python and familiar with modern cloud infrastructure (AWS, Terraform, PostgreSQL, Modal).
- Ability to create intuitive, polished user interfaces using React and Tailwind CSS.
- Value fast iteration and a hands-on, collaborative approach.
- Excellent problem-solving and communication skills.
Benefits:
- Above-market compensation and significant founding-level equity – truly own your impact and future.
- Work alongside a talented peer group from top consulting firms and AI research backgrounds.
- High trust environment with minimal bureaucracy—focus on building, not meetings.
- Opportunity to shape the product direction and culture from day one.
- Be part of a well-funded early-stage company with a strong industry network and expert backing.
If you are interested please apply or reach out to Adam Treacy @ twentyAI - adam.treacy@twentyai.com
Extra information
- Status
- Open
- Education Level
- Secondary School
- Location
- City of London
- Type of Contract
- Full-time jobs
- Published at
- 08-05-2026
- Profession type
- ICT
- Full UK/EU driving license preferred
- No
- Car Preferred
- No
- Must be eligible to work in the EU
- No
- Cover Letter Required
- No
- Languages
- English
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