Payments Architecture & Engineering Specialist

Worldpay is a leading name in payments, seeking a Payments Architecture & Engineering Specialist to join their Payrix software engineering team. This senior individual contributor role focuses on designing and executing technology strategies for a large-scale payments platform, emphasizing hands-on delivery and architectural leadership.

Responsibilities:

• Lead the design and evolution of core payments system architecture, including APIs, transaction processing, funding flows, and supporting services
• Define patterns and standards across monoliths, microservices, and event-driven architecture
• Drive architectural decisions across applications, infrastructure, and data layers
• Evaluate and guide modernization efforts (e.g., decomposition, service boundaries, integration strategies)
• Actively contribute to engineering efforts across the stack, including:
• Backend services and APIs
• Infrastructure as Code (Terraform/Pulumi)
• CI/CD pipelines and deployment automation
• Build and prototype solutions for new architectural patterns and platform capabilities
• Perform deep technical troubleshooting and help resolve complex production issues
• Apply deep understanding of payments systems and flows, including:
• Merchant onboarding, transaction authorization, settlement, and funding
• Risk, underwriting, and compliance considerations (e.g., PCI)
• Processor and third-party integrations
• Partner with product and engineering teams to ensure technical solutions align with business and regulatory requirements
• Improve engineering velocity through enhancements to:
• CI/CD pipelines, testing, and deployment workflows
• GitHub, Jira, and developer tooling ecosystems
• Infrastructure provisioning and environment consistency
• Establish best practices and guardrails for scalable, reliable development
• Lead and execute cross-cutting, high-priority initiatives that span multiple teams
• Step into undefined or complex problem spaces and drive clarity, direction, and delivery
• Act as a technical force multiplier, accelerating progress across architecture and engineering efforts
• Serve as a trusted partner to engineering leadership, contributing to:
• Technology strategy and roadmap development
• Architecture reviews and decision-making forums
• Evaluation of tools, platforms, and investments
• Help bridge gaps between product, engineering, platform, and operations teams

Requirements:

• Strong technical leader who combines architectural thinking with hands-on execution
• Comfortable operating in ambiguous, fast-moving environments
• High ownership mindset; able to independently drive outcomes
• Effective communicator who can influence across engineering and business stakeholders
• Extensive experience designing and building large-scale distributed systems
• Strong background in cloud-native architecture (AWS preferred)
• Hands-on experience with backend development (PHP, C#, multiple languages preferred)
• Hands-on experience with microservices and API design
• Hands-on experience with event-driven architecture
• Hands-on experience with Infrastructure as Code (Terraform or similar)
• Hands-on experience with CI/CD and automation frameworks
• Familiarity with observability, resiliency patterns, and performance optimization
• Proven ability to work across applications, infrastructure, and platform layers
• Proven ability to jump into unfamiliar systems and quickly deliver value
• Proven ability to lead technical efforts without direct authority
• Prior experience in roles such as Senior/Staff Engineer, Architect, or similar senior IC roles
• Experience building or operating payments platforms or transactional systems
• Knowledge of payment processing flows, integration, and lifecycle management
• Understanding of compliance and regulatory considerations (e.g., PCI, data protection)