Software Engineer

Staff Software Engineer / Python / TypeScript / LLMs / AI Agents / Cloud Staff Software Engineer Salary: £150,000 - £250,000 + Competitive Equity Location: London (Old Street, 5 days onsite) Job Title: Staff Software Engineer About the role: We're on the lookout for an exceptional Staff Software Engineer to join one of London's fastest-growing AI startups building autonomous AI voice agents that are redefining how businesses interact with their customers. This is a unique opportunity to build production AI systems powered by the latest Large Language Models, designing intelligent agents capable of handling complex customer conversations, reasoning through problems, and autonomously completing real-world tasks. You'll work at the cutting edge of applied AI, helping shape products where LLMs aren't simply an added feature—they're the core of the user experience. As a senior member of the engineering team, you'll own products end-to-end, partnering directly with customers to understand their workflows before designing and shipping AI-native solutions that solve genuine operational challenges. You'll be building highly reliable, scalable systems that combine LLMs, voice technologies, event-driven architectures and cloud infrastructure to create seamless, autonomous customer experiences. Joining at this stage means becoming one of the senior technical leaders in a well-funded, high-growth startup. You'll have significant ownership over technical direction, influence product strategy alongside the founders, and help define engineering best practices as the company scales. Staff Software Engineer / Python / TypeScript / LLMs / AI Agents / Cloud What we need from you: Design, build and ship production AI applications using Python, TypeScript and modern cloud infrastructure.Build intelligent AI agents powered by Large Language Models, integrating prompting, tool use, retrieval, structured outputs and agentic workflows into production systems.Develop scalable backend services and event-driven architectures that power real-time AI and voice experiences.Own projects from customer discovery through implementation, deployment and continuous iteration.Build integrations with third-party APIs, customer CRMs and external platforms to enable autonomous workflows.Know when to rapidly prototype AI capabilities and when to invest in long-term scalability, reliability and performance.Champion engineering excellence through testing, observability, security, documentation and best practices.Collaborate closely with founders, customers and product teams to shape the future of AI-powered software and deliver exceptional user experiences. If you are an experienced Software Engineer with a passion for AI, LLMs and building intelligent products from the ground up, please apply or send your CV directly to callum@acquiredtalent.co.uk. Staff Software Engineer / Python / TypeScript / LLMs / AI Agents / Cloud