Senior Backend Engineer (Remote UK)
Summary
Senior Backend Engineer building scalable backend services that power real-time AI-driven workflows (LLMs, RAG, automation) for a seed-funded Agentic AI startup. Fully remote anywhere in the UK, working with Node.js, TypeScript and cloud infrastructure alongside AI researchers and product teams.
TalentCo are delighted to be working with a fast-growing Agentic AI startup looking to hire several high-calibre Senior Backend Engineers into their growing engineering team in the UK, having recently closed a significant seed funding round.
This hire can be based fully-remote anywhere in the UK, 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 focus on developing scalable back-end systems that power real-time AI-driven workflows.
This role requires strong software engineering skills, a deep understanding of backend development, and the ability to work in a fast-paced, AI-first environment. You’ll collaborate with AI engineers, AI researchers, full-stack engineers and product teams to build enterprise-grade solutions that enable seamless AI-human interactions.
- Design and build applications that power AI-driven workflows for enterprise users.
- Build scalable backend services that support real-time AI interactions, knowledge retrieval, and automation.
- Work closely with AI researchers and ML engineers to integrate LLMs, Retrieval-Augmented Generation (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 production applications, having worked in high-bar engineering environments, particularly startups or scale-ups.
- A backend focus, with proficiency in modern web technologies, namely Node.js and Typescript
- 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