Staff Software Engineer (Fullstack / Remote UK) in Leeds

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Job Description

TalentCo are delighted to be working with a fast-growing Agentic AI startup looking to hire a high-calibre Staff Software Engineer into their growing engineering team in Europe, having recently closed a significant seed funding round.

This hire can be based fully-remote anywhere in the UK (or Western Europe), for this Silicon Valley headquartered startup.

You will be at the forefront of building and scaling AI-powered applications, transforming how enterprises interact with intelligent agents. You’ll work across the entire stack, developing high-performance front-end experiences and scalable back-end systems that power real-time AI-driven workflows.

This role requires strong software engineering skills, a deep understanding of full-stack development, and the ability to work in a fast-paced, AI-first environment. You’ll collaborate with AI engineers, AI researchers, and product teams to build enterprise-grade solutions that enable seamless AI-human interactions.

As Staff Software Engineer (Fullstack) you will:

• Design and build full-stack applications that power AI-driven workflows for enterprise users.
• Develop high-performance front-end interfaces for AI agent control, monitoring, and visualization.
• Build scalable backend services that support real-time AI interactions, knowledge retrieval, and automation.
• Optimize AI-powered UIs to ensure seamless and intuitive user experiences.
• Work closely with AI researchers and ML engineers to integrate LLMs, Retrieval-Augmented (RAG), and automation into production-ready applications.
• Ship robust, minimal-dependency code that performs efficiently in enterprise environments.
• Continuously iterate and refine AI-driven products, balancing user needs with technical feasibility.

We want to hear from you if you have:

• 6+ years of hands-on experience building full-stack production applications, having worked in high-bar engineering environments, particularly startups or scale-ups.
• Proficiency in modern web technologies, including React, TypeScript, and Node.js.
• Experience with backend development using Python.
• Strong knowledge of cloud infrastructure (AWS, GCP, or Azure) and scalable architectures.
• Understanding of AI-powered applications, including LLMs, chat interfaces, and agentic workflows.
• Ability to work in a fast-paced, high-autonomy environment, solving complex problems and delivering impact.
• Strong collaboration skills, with experience working in cross-functional teams with engineers, designers, and AI researchers.

What do they offer?

• Salary between £130k-180k dependent on experience
• Meaningful early-stage equity
• Fully remote employment contract
• Work from anywhere policy

If you are interested in applying for this job please press the Apply Button and follow the application process. Energy Jobline wishes you the very best of luck in your next career move.