Payments Solutions Architect

Were 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 youll 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.

Qualifications :

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.

Preferred

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.

Additional Desirable Experience

• 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.

Additional Information :

Discover some of the global benefits that empower our people to become the best version of themselves:

• Finance: Competitive salary package share plan company performance bonuses value-based recognition awards referral bonus;   
• Career Development: Career coaching global career opportunities non-linear career paths internal development programmes for management and technical leadership;
• Learning Opportunities: Complex projects rotations internal tech communities training certifications coaching online learning platforms subscriptions pass-it-on sessions workshops conferences;
• Work-Life Balance: Hybrid work and flexible working hours employee assistance programme;
• Health: Global internal wellbeing programme access to wellbeing apps;
• Community: Global internal tech communities hobby clubs and interest groups inclusion and diversity programmes events and celebrations.

At Endava were committed to creating an open inclusive and respectful environment where everyone feels safe valued and empowered to be their best. We welcome applications from people of all backgrounds experiences and perspectivesbecause we know that inclusive teams help us deliver smarter more innovative solutions for our customers. Hiring decisions are based on merit skills qualifications and potential. If you need adjustments or support during the recruitment process please let us know.

Remote Work :

No

Employment Type :

Full-time