Staff Software Engineer - Integration Architect

About the role

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 global retail foundation and powered by next-generation payments and AI-enabled engineering practices. All this with the goal of helping people prosper.

Our customers inspire us to push boundaries and create services that make life easier, businesses more efficient, 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.

Role Responsibilities

As a Staff Software Engineer - Integration Architect supporting North America (NA) and Latin America & Caribbean (LACA), you will lead the design and delivery of secure, scalable payment processor integrations, partnering with business, product, operations, and external financial institutions to enable seamless money movement. Leveraging cloud-native architectures, modern integration patterns, and AI-assisted engineering practices, you will define reusable solutions that accelerate partner onboarding, improve reliability and operational efficiency, and support business growth across the region. Fluency in both English and Spanish is essential to effectively collaborate with stakeholders and partners across NA and LACA.

Key responsibilities include:

Lead the architecture, design, and delivery of scalable payment processor integrations across North America (NA) and Latin America & Caribbean (LACA).

Define and implement enterprise integration patterns, APIs, and reference architectures for rapid partner onboarding.

Partner with business, product, operations, compliance, and external stakeholders to deliver integration solutions aligned with business objectives.

Serve as the technical lead for strategic payment processor, banking, and financial institution integrations.

Architect and develop AWS-based microservices using Java, Spring Boot, REST APIs, and cloud-native design principles.

Design secure, resilient, and highly available integration solutions leveraging event-driven architectures and Kafka-based messaging platforms.

Build solutions supporting payment processing, transaction routing, settlement, reconciliation, and partner enablement.

Establish reusable integration frameworks, API standards, and engineering best practices that improve delivery speed and scalability.

Collaborate with external partners through solution design, certification, testing, implementation, and production rollout activities.

Drive adoption of AI-assisted engineering tools to improve development productivity, testing, documentation, and operational excellence.

Review architectures and code to ensure compliance with enterprise standards for security, scalability, reliability, and governance.

Lead modernization initiatives that transform legacy integration platforms into cloud-native, distributed solutions.

Monitor and optimize platform performance, focusing on availability, latency, throughput, and operational efficiency.

Provide technical leadership, mentorship, and architectural guidance across engineering teams and integration workstreams.

Act as a trusted technical advisor for regional stakeholders and partners, leveraging fluency in English and Spanish to drive successful outcomes across NA and LACA.

Role Requirements

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.

Basic Qualifications

8+ years of experience designing and delivering enterprise integration solutions, APIs, and partner onboarding platforms.

5+ years of experience working 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, including solution design, certification testing, implementation, and production support.

Strong understanding of API integration patterns, service orchestration, payment workflows, transaction processing, and distributed systems.

Professional proficiency in both English and Spanish, with the ability to lead technical discussions, architecture reviews, and stakeholder engagements across NA and LACA regions.

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 to accelerate engineering productivity and software delivery.

Experience collaborating with product, engineering, architecture, operations, risk, and compliance stakeholders in a large-scale enterprise environment.

Preferred Qualifications

3+ years of experience serving as a Solution Architect, Integration Architect, or Technical Lead for enterprise-scale integrations.

Experience designing integration solutions for payment processors, card networks, banks, digital wallets, or remittance providers.

Experience with ISO 8583, ISO 20022, payment messaging standards, or similar financial transaction protocols.

Experience managing technical relationships with external partners across multiple countries and regulatory environments.

Experience working within Payments, FinTech, Banking, Remittance, or other highly regulated industries.

Strong understanding of regional payment ecosystems and regulatory considerations within North America and Latin America.

Fluent verbal and written communication skills in both Spanish and English (required).

Experience driving technical strategy and influencing architecture decisions across multiple teams, regions, and business domains.

Workplace Option

HYBRID – Western Union values in-person collaboration, problem solving, and ideation whenever possible. We believe this fosters common ways of working and supports how we execute initiatives for our customers. The expectation is to work from the office a minimum of three days a week.

BENEFITS AND OTHER DETAILS

Benefits

You will also have access to short-term incentives, multiple health insurance options, accident and life insurance, and access to best-in-class development platforms, to name a few (https://careers.westernunion.com/global-benefits/). Please see the location-specific benefits below and note that your Recruiter may share additional role-specific benefits during your interview process or in an offer of employment.

Your United States – Specific Benefits Include

Paid Time Off

Medical, Dental and Life Insurance

Tuition Assistance Program

Student Loan Repayment (below manager level only)

Parental Leave

One day volunteer time off

$0 Money Transfer Fee Discount Code – Quarterly

Recognition Program “Game Changers”

Employee Discount Program

Global Adoption Assistance

Global Scholarship Awards Program

401K plan

For residents of Colorado, California, Connecticut, Delaware, Minnesota, and Pennsylvania: Please do not respond to any questions on this initial application that may seek age-identifying information such as age, date of birth, or dates of school attendance or graduation. You may also redact this information from any materials you submit during the application process. You will not be penalized for redacting or removing this information.

Salary

Annual base salary range is $130,000 – 155,000 USD per year. Total on-target compensation includes a base salary and short-term incentives that align with individual and company performance. Actual salaries will vary based on candidates’ qualifications, skills, and competencies.

As part of the application process, all applicants are required to take assessments (live/on-line). Western Union has partnered with a 3rd party provider to administer these tests. Applicants will need to provide their name and email address in order to process the assessments. If you have any questions, you may reach out to careers@westernunion.com.

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.

Estimated Job Posting End Date:

12-31-2026

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.

Estimated Job Posting End Date:

12-31-2026

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.