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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Payments Solutions Architect - **Company:** Endava - **Location:** London, UK - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Application Programming Interfaces (APIs), Artificial Intelligence, Amazon Web Services, Cloud Computing, Cloud Engineering, Distributed Systems, Payment Gateway, PCI Data Security Standards, Tokenization, Kotlin, Event Driven Architecture, Customer Identity Access Management, Containerization, Kubernetes, Apache Kafka, Video Streaming, Service Stack, Microservices - **Published:** June 6, 2026 - **Apply:** https://uk.indeed.com/viewjob?jk=9319dc10de0789d1 ## About the Role Do you have experience in Solution architecture?, Essential * Proven experience as a Solution Architect, Lead Architect or Senior Technical Architect within large-scale enterprise environments. * Strong payments domain knowledge within card payment ecosystems. * Experience in one or more of the following payment value streams: + Billing, Settlement & Reconciliation + Payment Processing * Experience designing solutions built on Java and/or Kotlin technology stacks. * Strong understanding of microservices, distributed systems and event-driven architectures. * Experience with messaging and streaming technologies such as Kafka. * Experience designing and governing cloud-native solutions on AWS. * Strong understanding of payment gateway architectures and payment integration patterns. * Experience working within PCI DSS and regulated financial environments. * Excellent stakeholder management, communication and presentation skills. * Ability to engage effectively with both technical and non-technical audiences., * Experience within issuers, acquirers, payment processors, schemes or fintech organisations. * Experience with Visa, Mastercard or other payment network integrations. * Experience with container platforms such as ECS, EKS or Kubernetes. * Experience supporting payment platform modernisation and transformation programmes. * Experience with enterprise identity and access management solutions, SSO or identity federation. * Familiarity with AI-driven optimisation, fraud modelling or AIOps capabilities. ## Description We're looking for a Payments Solution Architect to join our growing team in London. This is a senior architectural leadership role focused on shaping and delivering enterprise-scale payment platforms across card processing, gateway services, settlement, reconciliation and financial management capabilities. You will combine deep payments domain expertise with strong solution architecture skills, helping clients modernise and transform critical payment ecosystems built on Java/Kotlin, cloud-native and event-driven architectures. This role suits someone who thrives in complex environments and operates confidently at the intersection of business strategy, payment operations and technical execution. You will engage across the full lifecycle, from discovery and architectural shaping through to delivery oversight, ensuring solutions are scalable, secure, commercially viable and aligned to long-term platform strategy. The role supports payment transformation initiatives across one or more of the following value streams: * Billing, Settlement & Reconciliation * Payment Processing What you'll be doing * Design and review scalable, resilient payment architectures capable of supporting high transaction volumes and demanding availability requirements. * Define and govern non-functional requirements including latency, throughput, availability, recoverability, observability and security. * Shape API strategies, integration models and event-driven architectures that support extensibility, compliance and operational resilience. * Define target architectures and integration patterns across payment ecosystems and enterprise platforms. * Work closely with business stakeholders, product owners, operations teams and engineering teams to ensure architecture decisions support business objectives. * Participate in architecture governance forums and represent Endava with clarity and authority. * Support pre-sales and bid activities by defining credible, commercially grounded target-state solutions. * Translate architectural decisions into clear executive narratives, articulating trade-offs, risks and investment implications. * Provide architecture oversight throughout delivery, ensuring implementation remains aligned to agreed architectural principles and standards. * Support payment platform modernisation initiatives leveraging cloud-native and event-driven architectures. * Contribute to architectural decisions across broader platform and enterprise initiatives where required., Billing, Settlement & Reconciliation * Settlement processing and financial reconciliation. * Merchant funding and billing platforms. * Financial controls, reporting and auditability. * Exception management, chargebacks and dispute handling. * Visa and Mastercard settlement processes. Processing * Authorisation processing. * Gateway architecture. * Payment routing and switching. * Scheme integrations. * Tokenisation. * 3-D Secure (3DS). * Strong Customer Authentication (SCA). * Fraud decisioning and risk services. * High-volume transaction processing systems. ## Related Videos - [Kotlin Multiplatform - True power of native code reuse](https://www.wearedevelopers.com/videos/4-kotlin-multiplatform-true-power-of-native-code-reuse) - [Understanding Kubernetes in a visual way](https://www.wearedevelopers.com/videos/100085-understanding-kubernetes-in-a-visual-way) - [How to Benchmark Your Apache Kafka](https://www.wearedevelopers.com/videos/76-how-to-benchmark-your-apache-kafka) - [APIs and Architecture for scaling omnichannel payments](https://www.wearedevelopers.com/videos/90-apis-and-architecture-for-scaling-omnichannel-payments) - [Migrating half a million users to a new payment service provider](https://www.wearedevelopers.com/videos/730-migrating-half-a-million-users-to-a-new-payment-service-provider) - [Why Kotlin is the better Java and how you can start using it](https://www.wearedevelopers.com/videos/661-why-kotlin-is-the-better-java-and-how-you-can-start-using-it) ## Related Articles - [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries) - [The 12 Best Jobs for Software Engineers](https://www.wearedevelopers.com/magazine/401-the-12-best-jobs-for-software-engineers) - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [Highest Paying Tech Companies in Europe](https://www.wearedevelopers.com/magazine/162-highest-paying-tech-companies-in-europe) - [Software Engineer Salary London](https://www.wearedevelopers.com/magazine/252-software-engineer-salary-london)