
Staff Software Engineer
Western Union1 day ago
Base Salary
$130k - $155k/yr
Responsibilities
- Lead architecture, design, and delivery of scalable payment processor integrations across North America and Latin America & the Caribbean.
- Define enterprise integration patterns, APIs, reference architectures, reusable frameworks, and API standards for partner onboarding.
- Architect and develop AWS-based microservices using Java, Spring Boot, REST APIs, cloud-native design, event-driven architectures, and Kafka.
- Build solutions for payment processing, transaction routing, settlement, reconciliation, and partner enablement.
- Lead technical delivery for payment processor, banking, and financial institution integrations, including solution design, certification, testing, implementation, and production rollout.
- Collaborate with business, product, operations, compliance, risk, architecture, engineering, external partners, vendors, and financial institutions.
- Drive modernization of legacy integration platforms into cloud-native distributed solutions.
- Monitor and optimize availability, latency, throughput, platform performance, and operational efficiency.
- Drive adoption of AI-assisted engineering tools for development, testing, documentation, and operational excellence.
- Review architectures and code for security, scalability, reliability, governance, and enterprise-standard compliance.
- Provide technical leadership, mentorship, architectural guidance, and regional stakeholder advising in English and Spanish.
Requirements
- 8+ years of experience designing and delivering enterprise integration solutions, APIs, and partner onboarding platforms.
- 5+ years of experience with payment processors, financial institutions, banking integrations, remittance platforms, or payment networks.
- 6+ years of experience developing Java applications using Spring Boot, REST APIs, and microservices architectures.
- Experience leading end-to-end integration programs through solution design, certification testing, implementation, and production support.
- Strong knowledge of API integration patterns, service orchestration, payment workflows, transaction processing, and distributed systems.
- Professional fluency in both English and Spanish for technical discussions, architecture reviews, and stakeholder engagements.
- Experience working directly with external partners, vendors, payment processors, or banking institutions.
- 2+ years of hands-on experience using AI coding agents or AI-assisted software development tools.
- Experience collaborating across product, engineering, architecture, operations, risk, and compliance in a large-scale enterprise.
- Preferred: 3+ years as a Solution Architect, Integration Architect, or Technical Lead for enterprise-scale integrations.
- Preferred: experience with payment processors, card networks, banks, digital wallets, remittance providers, ISO 8583, ISO 20022, payment messaging standards, or similar financial transaction protocols.
- Preferred: experience managing technical relationships across countries and regulatory environments and working in Payments, FinTech, Banking, Remittance, or other regulated industries.
- Applicants must be currently authorized to work full time in the United States.
Benefits
- Hybrid work arrangement with an expectation of at least three days per week in the office.
- Short-term incentives, multiple health insurance options, accident and life insurance, and development platforms.
- Paid time off; medical, dental, and life insurance; tuition assistance; parental leave; and one volunteer day.
- Student loan repayment for employees below manager level, a $0 money transfer fee discount code, quarterly recognition, employee discounts, global adoption assistance, scholarship awards, and a 401(k) plan.
Tech Stack
Categories
About Western Union
Western Union provides cross-border consumer and business payment services, including digital and agent-based money transfers, bill pay, and remittances. It generates revenue from transaction fees and foreign-exchange spreads, serves customers in over 200 countries and territories through retail agents and digital channels, and is a public company founded in 1851 and headquartered in Denver, Colorado, with shares listed on the NYSE and BMV.