Solution Architect, Solution Engineering(Java Backend, AWS)

Role Overview

At Western Union, we’re more than a trusted name in global payments. We’re moving beyond remittances, beyond cash, and beyond the expectations of our customers.

Our talented teams enable us to transform into a digital-first company, built on the strength of our retail foundation and powered by next-generation payments. All this with the goal of helping people prosper.

Our customers inspire us to push boundaries and create services that make life easier and communities stronger. Wherever you are in the world, we’re committed to shaping the next generation of financial experiences.

Join us as we go beyond and be part of a team that’s redefining what’s possible.

Responsibilities

Solution Architecture & Design

• Design end-to-end solutions for digital banking, wallet, card issuing/processing, and payment platforms.
• Define application, integration, and data architectures that support business and operational objectives.
• Design cloud-native solutions on AWS with a focus on scalability, resiliency, security, and performance.
• Develop API-first and event-driven architectures supporting real-time and batch transaction processing.
• Define integration patterns across channels, orchestration layers, domain services, partner platforms, ledger, and settlement systems.
• Produce architecture artifacts, solution diagrams, interface specifications, and technical design documentation.
• Participate in architecture reviews and ensure compliance with enterprise architecture, security, and governance standards.

Banking & Payments Domain Expertise

• Apply domain knowledge across:
  • Digital Banking platforms
  • Wallet and stored-value systems
  • Card issuing, authorization, clearing, and settlement
  • Domestic and cross-border payment systems
• Design solutions supporting transaction processing, funds management, reconciliation, settlement, and accounting requirements.
• Ensure architectures address regulatory, compliance, audit, and operational needs.
• Collaborate with Product, Operations, Risk, Compliance, and partner teams to define solution requirements and controls.

Technical Leadership & Engineering Support

• Provide technical guidance to engineering teams throughout the development lifecycle.
• Review designs, code implementation approaches, and integration strategies to ensure architectural alignment.
• Identify and mitigate architectural, performance, scalability, and operational risks.
• Promote engineering best practices, reusable design patterns, and technology standards.
• Support production readiness, observability, resiliency, and operational excellence initiatives.

Requirements

Technical

• Strong experience designing cloud-native solutions on AWS, including:
  • Compute (EC2, ECS/EKS, Lambda)
  • API & Integration (API Gateway, Event Bridge, SQS, SNS)
  • Data (RDS, PostgreSQL, DynamoDB)
  • Security & Monitoring (IAM, CloudWatch, CloudTrail)
• Experience designing API-driven and event-based architecture.
• 7+ Years of strong software architecture design skills.
• Strong experience in Java programming including, Servlets, JDBC, JMS, Spring, Spring JDBC, JEE & Eclipse IDE.
• Knowledge of relational (e.g., PostgreSQL, MySQL) and NoSQL (e.g., MongoDB, Cassandra) databases.
• Strong understanding of microservices, distributed systems, scalability, and resiliency patterns.
• Experience with CI/CD pipelines, DevOps practices, and infrastructure-as-code.
• Ability to create architecture documentation, solution diagrams, and technical specifications.

Domain

• 5+ years of experience in banking, fintech, or payments technology.
• Experience with Digital Banking, Wallets, Cards, and Payments platforms.
• Understanding of payment processing lifecycles, ledgering, settlement, reconciliation, and financial transaction flows.
• Experience working within regulated environments and compliance frameworks.

Preferred Qualifications

• AWS certifications (Solutions Architect or equivalent).
• Experience modernizing legacy banking or payment platforms.
• Familiarity with event-driven architecture, Kafka, and cloud-native integration patterns.