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About the Role

As a Staff Software Engineer supporting the Global Bill Payments platform, you will be responsible for the architectural integrity and technical evolution of mission-critical systems. You will be a key technical leader shaping the architecture for a future high-scale, mission-critical bill payments platform, combining deep hands-on engineering with architectural influence on resilient, scalable, and globally impactful design systems. This role offers the opportunity to drive technical direction, simplify complex legacy flows, and help build a modern, cloud-ready platform supporting customers across US and IST time zones.

Responsibilities

Lead the design and evolution of a simplified, high-performance, and 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

Requirements

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
Nice to have experience in financial services, payments, or highly regulated domains
Nice to have experience with hybrid cloud architecture
Nice to have exposure to AI platforms, prompt engineering, explainable AI, or applied AI in enterprise engineering workflows
Nice to have 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.

Skills

Java/J2EE
Spring Boot
AWS
RDS
Postgres
Computer Science Fundamentals
Data Structures
Algorithms
OOP
System Design
Distributed Systems
Microservices Architecture
SQL Databases
Data Modeling
APIs
Web Services
Enterprise System Integrations
XML
JSON
Cloud-Native Application Design
CI/CD
Automated Testing
Test-Driven Development (TDD)
Agile Methodologies
Problem-Solving
Communication
AI Coding Tools
Prompt Engineering
Explainable AI
Applied AI

Location

Austin, TX

Work Type

Hybrid

Experience Level

Staff
8+ years
6+ years

Education Level

Bachelor's degree in computer science or related field
Master's degree

Salary/Compensations

$125,000 - $155,000 per year

Benefits

Short-term incentives
Multiple health insurance options
Accident and life insurance
Access to best-in-class development platforms
Medical
Dental
Vision
Life Insurance
Tuition Assistance Program
Employee Discount Program
Parental Leave
401K Plan

About the Company

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.

Equal Opportunity

We are passionate about honoring our employee's identity and fostering a feeling of belonging. Our commitment is to provide an inclusive culture that celebrates the unique backgrounds and perspectives of our global teams while reflecting the communities we serve. We do not discriminate based on race, color, national origin, religion, political affiliation, sex (including pregnancy), sexual orientation, gender identity, age, disability, marital status, or veteran status. The company will provide accommodation to applicants, including those with disabilities, during the recruitment process, following applicable laws.