Founding Software Engineer, Construction Operations

📋 Description

• You will be the primary driver of product delivery and implementation of the technical
• Own the full technical stack including Ionic Angular / React, FastAPI services, Supabase (Postgres
• Ship LLM powered capabilities to augment installer workflows from surveying, scoping, quoting and
• Collaborate with installers and customer success to turn needs into software; push back when
• Make technical decisions on tools, libraries, patterns; advise on technical hiring as the team

🎯 Requirements

• Software engineering fundamentals: data structures, algorithms, systems design, testing
• Full-stack web and mobile: shipping production apps across frontend and backend; experience with
• Python backend: APIs, data pipelines, service integrations; familiarity with FastAPI/Django/Flask
• AI/LLM agentic workflows: production AI processes including agent-first workflows, RAG, structured
• Cloud infrastructure: deploy/monitor/maintain apps end-to-end on modern cloud platforms (Supabase
• Data modelling: designing evolving schemas without frequent rewrites.

🎁 Benefits

• Contract/fractional option with path to full-time; based in or near Bristol/Exeter with regular
• Salary competitive for Pre-Seed; equity for founding-team role.
• Autonomy and real ownership of tech stack and product direction.
• Impact on independent tradespeople and UK net-zero transition.
• Modern development/AI tools and a fast-moving product roadmap informed by installer interviews.