Payments Architect

About the role

Endava is looking for a Payments Architect to join its growing London team. This is a senior architectural leadership role with deep payments specialism, shaping and delivering enterprise-grade payment platforms from gateway and authorisation layers through to clearing, settlement and financial management. The role also covers unifying user experience across multiple portals and driving integration strategies with strong identity and access management.

Key responsibilities

• Bring expertise in merchant acquiring and payment processing across online and physical channels, including gateway architecture, authorisation lifecycles, 3-D Secure (3DS) and Strong Customer Authentication (SCA), scheme integrations, tokenisation, fraud decisioning, reconciliation and settlement.
• Design and review scalable, resilient payment architectures for high transaction volumes and demanding availability.
• Define and govern non-functional requirements such as latency, throughput, availability, recoverability, observability and security.
• Shape API strategies, integration models and event-driven or distributed system designs, and integrate enterprise systems with Identity Providers (IdPs), with preference for FIS Infinity IdP.
• Architect and implement Single Sign-On (SSO) and distributed identity solutions, and support IAM platform configuration, maintenance and troubleshooting.
• Contribute to PCI DSS scoping and secure-by-design approaches in cloud and hybrid environments.
• Take part in architectural governance forums, support pre-sales and bid shaping, and turn architectural decisions into clear executive narratives.
• Apply the same architectural rigour to wider platform and enterprise challenges, including cloud platform decisions and security and identity programmes.

Required profile

• Strong payments domain expertise and ability to move between payments architecture and broader solution leadership, integration strategy and cloud platform decisions.
• Comfortable speaking the language of enterprise, solution and data architects, and engaging in detailed technical discussions with engineering teams and strategic conversations with business stakeholders.
• Ability to work in complex environments at the intersection of business strategy and technical execution.

Required skills

• Merchant acquiring and payment processing knowledge
• 3-D Secure (3DS) and Strong Customer Authentication (SCA)
• Single Sign-On (SSO) and identity federation
• PCI DSS awareness

What we offer

• Competitive salary package, share plan, company performance bonuses and referral bonus
• Career coaching, global career opportunities and internal development programmes
• Training, certifications, online learning platforms and conferences
• Hybrid work and flexible working hours
• Wellbeing programme and global internal tech communities