Software Engineer Python AI - Renewable Energy

In this role you will design, build and operate production software that applies Python, APIs and AI to real business problems in a rapidly scaling renewable energy company. You’ll prototype quickly, collaborate with AI leads and domain experts, and deploy solutions into production with a focus on reliability and observability. You’ll help establish reusable AI engineering patterns as the AI capability grows. This position offers high autonomy and close collaboration with cross-functional teams across development, trading and asset management.

• salary up to 120k
• pension
• progression opportunities
• hybrid work (London office, WFH twice a week)

• Collaborate with cross-functional teams to identify if AI, conventional software, automation or process changes are best.
• Prototype, test and evaluate solutions from discovery through PoC to production.
• Develop production software across Python, APIs, data integration and lightweight frontends; incorporate LLMs, retrieval, tool use and agentic workflows.
• Own deployed solutions, including testing, security, permissions, monitoring and resilience.
• Help establish reusable AI engineering capabilities and patterns for model access, deployment, evaluation and observability.
• Shape technology and engineering culture as the AI capability grows.

• Strong backend Python coding skills
• Experience designing, building and operating production software
• Practical experience applying LLMs, retrieval, tool use or evaluation
• Sound product judgement and ability to work with technical and non-technical users
• Comfort with moving from experiments to maintainable production code and balancing build vs buy decisions
• Proactive ownership mentality and problem-solving drive
• 2.1+ from a top-tier university in a STEM discipline

• Cross-functional collaboration
• User-facing communication
• Pragmatic decision-making
• Backend Python development
• APIs and data integration
• Lightweight frontends