Software Engineer in Austin, TX

Role Responsibilities

As a Staff Software Engineer supporting the Global Bill Payments platform at Western Union, you are an Individual Contributor (IC) responsible for the architectural integrity and technical evolution of mission‑critical systems.

• Lead the design and evolution of a simplified, high-performance, globally scalable Bill Payments architecture
• Define and influence architectural decisions across services, APIs, data flows, and infrastructure strategy
• Design and implement microservices‑based systems supporting high‑volume, real‑time financial transactions
• Partner with engineers, product managers, and business stakeholders across global teams to deliver end‑to‑end solutions
• Act as a trusted domain expert for Bill Payments, guiding technical direction and system evolution
• Improve system reliability, performance, and scalability through deep technical analysis and hands‑on optimization
• Ensure architecture and implementations meet enterprise‑grade standards for security, compliance, and resilience
• Translate complex business requirements into elegant, scalable, and maintainable technical solutions
• Champion engineering best practices including CI/CD, automated testing, and modern Agile delivery practices
• Contribute to strengthening engineering culture through collaboration, mentorship, and technical leadership
• Explore and evaluate emerging technologies, including AI‑enabled development tools, to enhance engineering efficiency and system intelligence

Qualifications include:

• Bachelor’s degree in computer science or related field with 8+ years of experience, or master’s degree with 6+ years of experience
• Strong hands‑on software engineering experience in Java/J2EE, frameworks such as Spring Boot
• Strong hands‑on experience with AWS, RDS, Postgres
• Deep expertise in computer science fundamentals including data structures, algorithms, OOP, and system design
• Proven experience designing and delivering distributed, microservices‑based architectures at scale
• Strong experience with SQL databases, data modeling, and building reliable data‑driven systems
• Hands‑on experience building APIs, web services, and enterprise system integrations (XML/JSON)
• Solid experience with AWS cloud services and cloud‑native application design
• Strong experience with CI/CD pipelines, automated testing frameworks, and Test‑Driven Development (TDD)
• Demonstrated ability to lead architecture design discussions and influence technical direction across teams
• Experience working in Agile environments with iterative, fast‑paced delivery cycles
• Strong analytical and problem‑solving skills with the ability to thrive in complex and ambiguous environments
• Experience collaborating across globally distributed engineering teams and time zones
• Ability to operate effectively as a hands‑on engineer while driving architectural strategy in an IC role
• Strong communication skills with ability to influence and align technical and business stakeholders
• Hands‑on experience using AI coding tools and agents to accelerate development
• Ability to write high‑quality prompts and critically validate AI‑generated output
• Judgment on where automation helps vs. where human expertise is required
• Advocates for developer productivity without compromising quality or safety

• Experience in financial services, payments, or highly regulated domains
• Experience with hybrid cloud architecture
• Exposure to AI platforms, prompt engineering, explainable AI, or applied AI in enterprise engineering workflows
• Experience modernizing monolithic or legacy systems into cloud‑native, distributed architectures

Applicants must be currently authorized to work in the United States on a full‑time basis. Western Union will not sponsor applicants for work visas for this position.

Work Shift:

HYBRID – The expectation is to work from the office a minimum of three days a week.

Location:

11902 Burnet Rd., Suite 350, Austin, TX 78758

Benefits include short‑term incentives, multiple health insurance options, accident and life insurance, and access to best‑in‑class development platforms.

United States‑specific benefits include:
Medical, Dental,…