Full-Stack Engineer – In‑Person Role in London

About the role

Aisy is an AI‑native threat‑model intelligence platform seeking a hands‑on Full‑Stack Engineer to join its pre‑seed team in London. You will work directly with the founder, turning customer requests into production‑ready features and helping shape the technical foundation of the company.

Key responsibilities

• Design, develop, and ship end‑to‑end customer‑facing features.
• Translate product requirements into technical specifications across frontend, backend, and data workflows.
• Investigate, debug, and resolve production incidents.
• Collaborate with the founder on product roadmap and architectural decisions.
• Leverage AI tools and large language models to accelerate development while maintaining code quality.

Required profile

• Strong production experience with Python and a solid grasp of software engineering fundamentals.
• Ability to design reliable, scalable systems and make sound architectural choices.
• Comfortable working across the full stack and handling ambiguous, fast‑moving startup environments.
• Experience with testing strategies, database design, and performance optimisation.

Required skills

• Python (backend)
• React (frontend)
• GraphQL (API layer)
• Workflow orchestration tools such as Prefect or Airflow
• Use of LLMs and AI‑assisted development tools