Senior Full-Stack AI Engineer - Greenfield, Equity, Hybrid

Explore Group; Greater London; Hybrid; GBP 135,000 - 165,000; Full time

Job summary

Explore Group is partnering with a well-funded startup transforming regulated enterprise workflows with AI-first software. We’re seeking a Senior Full Stack Engineer to take ownership of greenfield features from day one, in London with a hybrid work model.

You will work directly with founders and leadership, building end-to-end features across a modern stack, and integrating AI-powered workflows and LLM tooling into core user experiences.

Qualifications

• Startup experience in agile, early-stage environments with autonomy.
• Full-stack proficiency across frontend and backend; Python/React or TypeScript.
• Experience with modern web tooling, type-safe APIs, and responsive UI.
• Interest or experience with AI/LLM pipelines and autonomous agents.
• Cloud deployments (GCP/AWS) and PostgreSQL databases.
• Product-focused mindset delivering reliable, user-friendly solutions.

Responsibilities

• Partner directly with founders and leadership to translate complex domain challenges into scalable, user-centric products.
• Build, test, and ship end-to-end features rapidly across a modern full-stack web and AI architecture.
• Design and implement intelligent agentic workflows and LLM-driven tooling integrated into core user experiences.

Skills

Full-stack development

Python

React/TypeScript

LLM integration

Cloud deployments (GCP/AWS)

PostgreSQL

Tools

GCP

AWS

TypeScript

Job description

Explore Group is partnering with a well-funded startup transforming regulated enterprise workflows with AI-first software. We’re seeking a Senior Full Stack Engineer to take ownership of greenfield features from day one, in London with a hybrid work model.

You will work directly with founders and leadership, building end-to-end features across a modern stack, and integrating AI-powered workflows and LLM tooling into core user experiences.