Lead Technical Architect Java AWS Agentic AI in London

Lead Technical Architect Java AWS Agentic AI in London

London Full-Time 100000 - 130000 £ / year (est.) Home office (partial)
Client Server Ltd.

At a Glance

  • Tasks: Lead the design and modernisation of complex banking platforms using Java and AWS.
  • Company: Join a Tech for Good scale-up making a real difference in global money transfer.
  • Benefits: Earn up to £130k, enjoy flexible working, and receive generous benefits.
  • Other info: Collaborative environment with opportunities for continuous learning and career growth.
  • Why this job: Make an impact by enabling financial access for communities in need worldwide.
  • Qualifications: Experience in architecting large-scale systems and knowledge of agentic AI tools required.

The predicted salary is between 100000 - 130000 £ per year.

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, Life Assurance and Income Protection, Tax free childcare, 2x charity volunteer days per year, Impactful role at a growing Tech for Good scale‑up.

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.

Lead Technical Architect Java AWS Agentic AI in London employer: Client Server Ltd.

Join a dynamic Tech for Good scale-up in London, where your expertise as a Lead Technical Architect will directly contribute to impactful projects that facilitate money transfers to underserved communities. Enjoy a collaborative work culture that prioritises diversity and continuous learning, alongside competitive benefits such as a generous salary, pension, and charity volunteer days, all while working in a hybrid model that offers flexibility and work-life balance.

Client Server Ltd.

Contact Details:

Client Server Ltd. Recruitment Team

StudySmarter Expert Advice🤫

We think this is how you could land Lead Technical Architect Java AWS Agentic AI in London

Network Like a Pro

Get out there and connect with people in the industry! Attend meetups, webinars, or even just grab a coffee with someone who’s already in the role you want. Building relationships can open doors that a CV just can’t.

Show Off Your Skills

When you get the chance to chat with potential employers, don’t hold back! Share your experiences with architecting modernisation projects, especially in Payments or Core Banking. Let them see how your skills align with their needs.

Be Ready for Technical Challenges

Prepare yourself for technical interviews by brushing up on your knowledge of Java, AWS, and microservices architecture. You might be asked to solve problems on the spot, so practice coding challenges and system design questions.

Apply Through Our Website

Don’t forget to apply through our website! It’s the best way to ensure your application gets seen by the right people. Plus, we love seeing candidates who are proactive about their job search!

We think you need these skills to ace Lead Technical Architect Java AWS Agentic AI in London

Java
AWS
Payments Platform Architecture
FX Platform Architecture
Core Banking Platform Architecture
Cloud-Native Architecture
Agentic AI Development

Some tips for your application 🫡

Tailor Your CV:Make sure your CV is tailored to the Lead Technical Architect role. Highlight your experience with Payments, FX, or Core Banking platforms, and showcase your skills in Java and AWS. We want to see how your background aligns with our mission!

Craft a Compelling Cover Letter:Your cover letter is your chance to shine! Use it to explain why you're passionate about Tech for Good and how you can contribute to our goals. Be sure to mention your experience with agentic AI and modern software practices.

Showcase Your Leadership Skills:As a Lead Technical Architect, we value strong leadership. In your application, share examples of how you've led teams or projects, especially in architecting complex systems. We want to know how you can drive change within our business!

Apply Through Our Website:We encourage you to apply directly through our website. It’s the best way for us to receive your application and ensures you’re considered for this impactful role. Don’t miss out on the opportunity to join our team!

How to prepare for a job interview at Client Server Ltd.

Know Your Tech Stack Inside Out

Make sure you’re well-versed in modern Java and AWS, as well as the principles of TDD and DevOps. Brush up on your knowledge of microservices architecture and API design, as these will be crucial in demonstrating your expertise during the interview.

Showcase Your Leadership Skills

Prepare examples of how you've led teams in architecting and modernising complex systems, particularly in Payments or Core Banking. Highlight your collaborative approach and how you’ve effectively communicated with stakeholders to drive change.

Understand Agentic AI Development

Familiarise yourself with agentic AI development tools and their implementation. Be ready to discuss how you can leverage these tools to enhance the architecture and support the Target Operating Model they’re aiming for.

Ask Insightful Questions

Prepare thoughtful questions about the company’s current projects and future goals, especially regarding their Tech for Good mission. This shows your genuine interest in the role and helps you assess if it’s the right fit for you.