Fullstack Engineer (AI)

#fullstack #job #vacancy #вакансия #AI #data #python #typescript #react

Fullstack Engineer (Full-time)
London/on-site

£110-200K/year, with 1%+ equity on table
Building the AI Workspace for Consultants.

The $1 trillion consulting industry is powered by some of the world’s brightest minds, yet they remain trapped in manual, inefficient workflows - spreadsheet orchestration, slide-deck assembly, and fragmented data synthesis. We are moving the industry from "human-plus-tools" to autonomous agency.

Backed by Cherry Ventures, Blue Lion, and the founders of QuantumBlack, our cap table includes angels from OpenAI, McKinsey, BCG, and Apple. We have the capital, the network, and the domain expertise, and we are now seeking further engineering support to get there faster.

Responsibilities
As one of our first engineers, your role is no just "writing code". You will be defining the product DNA of the company. You will:
Build Beyond the Chatbot: Design multi-step agentic workflows that move past simple RAG into reliable, enterprise-grade inference as well as interactive user interfaces that delight users.
Design the Workspace, Not Just the Pipeline: Own the end-to-end product surface for critical systems - make product decisions, and deliver the product across the stack.
Translate Consulting Inefficiency into Product Impact: Develop insight on how knowledge work is changed in the AI-era - you have exposure to how consulting firms actually work; and opinions on how they should work
Interface with the Best: Work directly with technical & non-technical stakeholders across clients & advisory teams (OpenAI/McKinsey vets) to translate elite consulting tradecraft into code.
Requirements
Mid-career (5+ years) still at IC level
You are a Product/Full-Stack Engineer: You don’t need a 20-page PRD. You can take a vague user pain point from a design partner and ship a functional prototype by Friday.
You have Consulting-industry Experience: You have seen how these firms operate internally, either as a former consultant or as a member of internal engineering teams.
You value Speed: You believe that in a seed-stage startup, iteration velocity is the only unfair advantage. You prefer shipping a 90% solution today over a perfect one next month.
You are "T-Shaped": You are deeply technical in NextJS/Typescript and LLM frameworks (PydanticAI, LangGraph, etc.), but you also care about UI polish and user ergonomics.
Our Stack
Languages: Python, TypeScript
AI/Data: Pydantic / LLM Frameworks, PSQL
Infra: AWS, Terraform, PostgreSQL, Modal
Frontend: React / Tailwind

Conditions
Fulltime to work in office (King's Cross) 3-4 days a week, with some flexibility
Open by Global Talent Visa holder

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