TalentCo are delighted to be working with a fast-growing Agentic AI startup looking to hire a high-calibre Senior Fullstack 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 Senior Fullstack Engineer 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 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 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 up to £150k
* Meaningful early-stage equity
* Fully remote employment contract
* Work from anywhere policy