Staff Software Engineer – AI
London | £200,000–£250,000 Base + Equity | On-site
We’re working with a fast-growing, well-funded AI company in London that is building autonomous AI voice agents used by businesses to manage customer interactions, bookings and operations.
They’re looking for an exceptional Staff Software Engineer to join a small, highly technical team and play a major role in shaping both the product and technical direction.
This is a genuinely hands-on Staff-level role. You’ll work across the core product, building and shipping production AI systems while solving complex backend, infrastructure and distributed systems challenges.
What you’ll be doing
- Building and shipping core product features across Python, TypeScript and cloud infrastructure
- Designing scalable, event-driven and distributed systems
- Developing and integrating AI-powered product functionality
- Working directly with customers to understand problems and turn them into technical solutions
- Taking ownership from initial idea and architecture through to production
- Helping establish engineering standards around reliability, testing, security and scalability
- Moving quickly when required, while knowing when to invest in longer-term engineering foundations
What we’re looking for
- 8+ years of strong software engineering experience
- Excellent Python and backend engineering skills
- Experience building and shipping AI/ML or LLM-based products
- Strong knowledge of distributed and event-driven systems
- Cloud infrastructure and Kubernetes
- Experience within fast-moving product or startup environments
- Comfortable operating across architecture, coding and delivery
- Someone who enjoys building 0→1 products and taking genuine ownership
- TypeScript experience would be beneficial
- Voice AI or conversational AI experience would be particularly interesting
This is a fantastic opportunity to join an early-stage AI business where you’ll have genuine influence over the technology and product as the company scales.
Salary: £200,000–£250,000 base + competitive equity
Location: London
Working model: 5 days per week on‑site
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Staff Software Engineer - AI employer: Reqiva
Reqiva is an exceptional employer located in the vibrant region of Oxfordshire, offering a dynamic work culture that fosters innovation and collaboration. As a Software Engineer, you will have access to extensive growth opportunities within a supportive team environment, where your contributions to automation platforms will be valued and recognised. With a focus on professional development and a commitment to agile methodologies, Reqiva provides a rewarding career path for those looking to make a meaningful impact in the tech industry.
