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Senior Software Engineer
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Senior Software Engineer | Brand New Agentic Team
Central London | Hybrid (2–3 days per week) | Up to £110k + Bonus + Excellent Benefits
We're working with a global payments technology organisation investing heavily in the future of Agentic Commerce and looking for a Senior Software Engineer to help build and shape an entirely new function.
This is a rare opportunity to join at the beginning of a greenfield initiative, backed by executive leadership and significant investment. The organisation is building a specialist team focused on how AI agents, merchants and customers interact in the future, creating new experiences that remove friction and simplify complex integrations.
You'll work on cutting-edge technology at the intersection of software engineering, payments and AI, contributing to key architectural decisions and helping bring new agentic capabilities into an enterprise environment. It's an opportunity to have genuine technical influence, work through complex engineering challenges and help shape a rapidly evolving space.
What you'll be doing
- Designing, building and delivering software for a brand-new Agentic Commerce initiative.
- Exploring emerging AI and agentic technologies and applying them to real-world engineering challenges.
- Building scalable, reliable and secure distributed systems.
- Contributing to architectural decisions and establishing strong engineering practices.
- Working closely with product, security and engineering teams to develop new capabilities.
- Challenging existing approaches and bringing new ideas to the table.
- Collaborating with other engineers to solve complex technical problems and deliver high-quality software.
- Keeping up with developments across AI, agentic systems and the wider payments ecosystem.
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What we're looking for
- Strong software engineering fundamentals and experience delivering production-grade software.
- Experience designing and building large-scale distributed systems.
- Strong understanding of modern cloud-native engineering practices.
- Experience making architectural decisions and building scalable, maintainable solutions.
- Strong problem-solving skills and the ability to navigate complex technical challenges.
- Confidence contributing to technical discussions and influencing engineering decisions.
- Excellent communication and collaboration skills.
- A genuine interest in AI, agentic systems and emerging technologies.
- Comfortable working in an environment with ambiguity, change and plenty of opportunity to shape the technical direction.
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Nice to have
- Payments or fintech experience.
- Exposure to agentic AI workflows or AI-powered applications.
- Experience working with trust, governance, security or risk considerations.
- Experience contributing to technical standards or mentoring other engineers.
Package
- Up to £110,000 base salary.
- Bonus scheme.
- Private healthcare.
- Enhanced pension.
- Life assurance.
- International travel opportunities.
- The chance to work on a greenfield initiative with significant investment and real scope to influence the future of Agentic Commerce.
This is an opportunity to join a high-profile engineering initiative from day one, working on complex, forward-looking technology that could shape how a global payments organisation approaches Agentic Commerce.
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