Top Tech Jobs & Startup Jobs in London

Design and evaluate AI systems for real-world energy applications. Responsibilities include building evaluation frameworks and datasets, experimenting with model selection, fine-tuning and reinforcement learning, developing reliable agent harnesses, analyzing failures, setting risk thresholds, and translating research into production systems. The role requires strong Python software engineering, rigorous experimentation, and judgment around cost, latency, reliability, and human oversight.

The Customer Support Specialist will be the primary contact for customers, providing excellent support, resolving issues, and offering energy-saving advice, working in shifts including overnight. The role involves collaborative work to enhance customer experience.

Own the technical strategy, architecture, delivery, and engineering team for a core business domain. Build complex production systems spanning areas such as AI, energy trading, retail, real-time generation and demand modeling, data pipelines, and customer-facing applications. Hire and lead engineers, establish team standards, make prioritization decisions in an unstructured environment, collaborate with the CTO and business stakeholders, and remain hands-on with challenging technical problems.

Own Fuse Energy’s end-to-end expansion timeline across engineering, operations, and business functions. Build and maintain Gantt charts, roadmaps, milestone plans, and critical paths; coordinate dependencies, owners, and deadlines; identify risks and slippage; facilitate tradeoff discussions; and run updates, checkpoints, and escalations to keep complex, fast-moving programs on track.

Own Fuse Energy’s AI product roadmap from identifying high-impact problems through scoping, prioritization, and launch. Partner closely with AI Engineers on customer operations, data, and internal tooling projects; translate ambiguous business needs into defined initiatives and success metrics; manage the engineering backlog; and establish production evaluation and feedback loops to improve AI systems after launch.

Legal Counsel will support commercial, corporate, and regulatory work across multiple jurisdictions. Responsibilities include drafting and negotiating commercial agreements, translating regulatory requirements into product guidance, advising Operations, Finance, Trading, and Product, coordinating compliance filings, maintaining legal policies and registers, and building scalable legal templates, playbooks, and automated workflows. The role requires an England and Wales-qualified solicitor or equivalent with 2–7 years of post-qualification experience.

The Electronics Design Engineer will engage in problem-solving for renewable energy technologies, collaborating on projects from design to commissioning and conducting R&D.

Create high-quality 2D and 3D motion design and visualizations for marketing, product reveals, social content, and digital experiences. Build brand treatments, custom 3D assets, illustrations, and cinematic animations. Own projects from brief to delivery, collaborate cross-functionally, and use audience insights to refine work.

Design consumer-facing mobile and web apps, physical + digital home energy experiences, brand identity, and high-stakes internal grid management interfaces. Own end-to-end design from discovery to execution, translate complex systems into modular interfaces, and shape product roadmap as an early design hire while collaborating with CEO, engineering, trading, and operations.

You will build backend infrastructure for a digital energy platform, working on real-time systems and customer energy pipelines while adapting to business needs