Staff Software Engineer
Western Union
About the role
The Staff Software Engineer will lead the design and delivery of scalable, cloud-native microservices powering Western Union’s digital platform. This role serves as a hands-on technical expert and service owner, partnering with distributed engineering teams to ensure reliability, performance, and architectural excellence.
Role Responsibilities
Develop and implement new software, maintain and improve existing software
Ensure that software functionality is implemented with a focus on code optimization and organization.
Build applications, workflow automation’s, internal tools, and basic agents using AI coding agents within Western Union’s product and platform areas.
Recommend improvements to existing software programs.
Troubleshoot application issues and coordinate issue resolution with operations, functional, and technical teams.
Work as service lead with development team across geographically distributed structure
Review design and code from different scrum teams and ensure service level standards are enforced.
Responsible for maintaining quality and engineering metrics of specific microservices as a services owner.
Provide coaching to Junior engineers on the team.
Works independently on complex projects.
Assess business needs while providing creative and effective solutions in conformance to emerging technology standards.
Perform strong decision-making, communication, and collaboration skills.
Perform computer science fundamentals, data structures, algorithms, OOPs, and OOA/D.
Role Requirements
BS in Computer Science or related fields with 5+ years of professional experience or MS with 5+ years of experience; Equivalent work experience in lieu of a degree.
2+ Demonstrated experience in modern programming languages and frameworks (Java Spring boot, DynamoDB/Postgres, Kafka, Redis, Apache Camel) and standard design patterns for implementing microservices.
2+ years of hands-on technical lead with demonstrated experience in designing and implementing large scale microservices.
2+ years of experience with agile development methodologies with Test Driven Development (TDD) and CI (Continuous Integration)/CD (Continuous Delivery).
1+ years of experience with architecture design concepts and techniques and the ability to communicate and evangelize those concepts to a broad-based team.
1+ years hands-on experience in building microservices based architecture and platform developed and deployed at scale.
1+ years hands-on experience building enterprise scale APIs used by web and mobile applications.
1+ years of experience in Cloud (AWS) based architecture designs and implementations.
6 months hands-on experience using AI coding agents to build or accelerate end-to-end software delivery.
Preferred Qualifications
Experience in FinTech industry.
Experience in building external customer-facing applications with open-source. technologies and understanding of front-end tech stack
Estimated Job Posting End Date:
11-30-2026
This application window is a good-faith estimate of the time that this posting will remain open. This posting will be promptly updated if the deadline is extended or the role is filled.
Responsibilities
- Design, develop, and maintain scalable cloud-native microservices and software.
- Build applications, workflow automation, internal tools, and agents using AI coding tools.
- Lead services across distributed engineering teams and uphold service-level standards.
- Review designs and code, and maintain quality and engineering metrics for owned services.
- Troubleshoot application issues and coordinate their resolution.
- Coach junior engineers and make technical decisions on complex projects.
Qualifications
- Bachelor’s or master’s degree in computer science or a related field, or equivalent experience.
- At least 5 years of professional experience.
- At least 2 years of experience with modern programming languages, frameworks, and microservice design patterns.
- At least 2 years of hands-on technical leadership designing and implementing large-scale microservices.
- At least 2 years of experience with agile development, TDD, and CI/CD.
- Experience with architecture design, cloud-based systems, microservices, and enterprise-scale APIs.
- AWS experience and familiarity with Java Spring Boot, DynamoDB or PostgreSQL, Kafka, Redis, and Apache Camel.
- At least 6 months of hands-on experience using AI coding agents to accelerate software delivery.
Skills mentioned
About Western Union
Many know us as the most trusted way to send money to friends and family overseas and across borders, but we're much more than that. Our talented teams around the world are building new ways to send, save and spend money. Wherever you are in the world, in whatever currency you choose, we're evolving our services to meet the demands of tomorrow. We're here for what's next. When our teams make more financial services accessible to people everywhere, we help more people prosper, transforming lives and communities.
H-1B sponsorship history
Historical employer filing data was found for Western Union. The employer record includes 577 historical certified applications. This is employer-level history, not a guarantee that this role currently offers sponsorship.