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Senior Full Stack Developer

Explore Group · London Area, United Kingdom

Full Stack EngineeringHybrid

About this role

The candidate will take full ownership of greenfield feature development for a high-growth startup focused on AI-first software for regulated enterprise workflows. They will partner directly with the founders and technical leadership to translate domain challenges into scalable products. The role involves building, testing, and shipping end-to-end features across a modern full-stack web and AI architecture. Key responsibilities include designing and implementing intelligent agentic workflows and LLM-driven tooling. The technical environment includes Python, React, TypeScript, GCP/AWS, and PostgreSQL.

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Mentioned in this posting

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Senior Full Stack Engineer (Full-Stack / AI) – London – £150,000 + Equity | Hybrid


Explore Group is partnering with a well-funded, high-growth startup transforming high-stakes, regulated enterprise workflows with modern, AI-first software.


Following substantial investment from leading VCs, they are expanding their core engineering team and seeking a Senior Full Stack Engineer to take full ownership of greenfield feature development from day one.


The Role


  • Partner directly with the founders and technical 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 directly into core user experiences.


Key Requirements


  • Startup Track Record: Proven experience thriving in agile, fast-paced early-stage environments with a high degree of autonomy.
  • Full-Stack Proficiency: Strong production background across both frontend and backend development, ideally using Python / React or Typescript ecosystems.
  • Modern Web Tooling: Solid familiarity with modern full-stack architectures, type-safe APIs, and responsive UI frameworks.
  • AI & LLM Integration: Practical experience or demonstrable interest in building with modern LLM pipelines, autonomous agents, and context-aware systems beyond basic API calls.
  • Systems & Cloud: Good grounding in event-driven patterns, background worker queues, cloud deployments (GCP/AWS), and relational databases (PostgreSQL).
  • Product Focus: Strong product sense with an instinct for delivering reliable, elegant solutions to genuine end-user friction points.


If you are interested in discussing this opportunity in more detail, please apply directly or get in touch at lewis.dorling@exploreltd.com.

£150,000 / yearApply now

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