Payments Solutions Architect

Salary: £27,000 - 67,000 per year

Requirements:

• 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 payment value streams: Billing, Settlement & Reconciliation or 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.
• Preferred experience in settlement processing, financial reconciliation, merchant funding, billing platforms, financial controls, reporting, auditability, exception management, chargebacks, dispute handling, Visa and Mastercard settlement processes.
• Preferred experience in 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.
• Desirable experience within issuers, acquirers, payment processors, schemes or fintech organisations.
• Desirable experience with Visa, Mastercard or other payment network integrations.
• Desirable experience with container platforms such as ECS, EKS or Kubernetes.
• Desirable experience supporting payment platform modernisation and transformation programmes.
• Desirable experience with enterprise identity and access management solutions, SSO or identity federation.
• Familiarity with AI-driven optimisation, fraud modelling or AIOps capabilities.

Responsibilities:

• 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 us 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.

Technologies:

• AI
• API
• AWS
• Architect
• Cloud
• Support
• Java
• Kafka
• Kotlin
• Kubernetes
• Network
• Security
• microservices

More:

We are Endava, a global technology company with more than two decades of experience using technology to drive meaningful change. We combine world-class engineering, industry expertise and a people-centric mindset to help leading brands create dynamic platforms and intelligent digital experiences that drive innovation and transform businesses. We are on an AI Native journey and, as one of OpenAIs global partners, we are committed to exploring how AI can improve productivity, effectiveness and accuracy for our clients and for us. We are hiring a Payments Solution Architect to join our growing team in London in a full-time, mid-senior level role focused on enterprise-scale payment platforms. We offer competitive salary and share plan packages, company performance bonuses, recognition awards and referral bonuses, along with career coaching, global opportunities, training, certifications, hybrid work, flexible hours, wellbeing support and a wide range of community and inclusion programmes. We are committed to an open, inclusive and respectful environment where everyone feels safe, valued and empowered.

last updated 34 week of 2026