Lead Technical Architect (Java AWS Agentic AI) London / WFH to £130k

Do you have experience of architecting and leading the modernisation of Payments, FX or Core Banking platforms?

You could be progressing your career in an impactful role at a scale-up Tech for Good software house.

The platform enables easier money transfer to people in emerging economies, disaster and war zones that do not have access to a bank account; enabling relatives, charities, the UN and UNICEF to get money to remote communities where it is needed most using sophisticated technology.

Your role:

As the Lead Technical Architect you will collaborate with Team Leads across the business to support them with technical architecture and design on large, complex, cloud based distributed systems, ensuring best practice and a cohesive structure.

The tech stack is based on modern Java and AWS, using TDD and DevOps practices such as CI/CD; you'll seek to modernise this, designing and implementing the architecture needed to support an agentic, AI‑enabled Target Operating Model, including autonomy layers, orchestration patterns and human‑in‑the‑loop principles.

You'll provide technical and domain expertise, driving the modernisation and re-architecture of the FX, Payments and Core banking platforms and driving the adoption of Agentic AI development.

Location / WFH:

There's a hybrid model, you'll join colleagues in the London, City office three days a week with flexibility to work from home the other two.

About you:

• You have experience of architecting and leading the modernisation of Payments, FX or Core Banking platforms
• You are experienced with designing software architecture for complex, large-scale distributed systems using modern cloud-native architecture
• You have a strong understanding of agentic AI development tools and how to implement them and drive change within the business
• You have a strong knowledge of microservices architecture, API design, enterprise integration patterns, AWS cloud architecture
• You have a good understanding of modern software development practices e.g. TDD, CI/CD, DevOps, SecOps, SRE
• You're collaborative with excellent communication, stakeholder management and technical leadership skills

What's in it for you:

As Lead Technical Architect you will earn a competitive package including:

• Salary to £130k
• Pension
• Private healthcare
• Life Assurance and Income Protection
• Tax free childcare
• 2x charity volunteer days per year
• Impactful role at a growing Tech for Good scale-up

Apply now to find out more about this Lead Technical Architect (Java AWS Agentic AI) opportunity.

At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.