Senior Application Architects

Western Union; Denver (CO); On-site; USD 171,000 - 230,000; Full time

Benefits offered by this job

Hybrid work model

Referral bonus

Job summary

Western Union is seeking a Sr. Application Architect in Denver, CO to lead end‑to‑end software architecture and hands‑on development from ideation to production.

You will guide design reviews, contribute to backend APIs, and influence frontend UI work while ensuring security and scalability across enterprise systems. Responsibilities include architecture artifacts, risk mitigation, and collaboration with cross‑functional teams.

Qualifications

• 8 years of progressive experience delivering enterprise level software solutions.
• Bachelor’s degree or U.S. equivalent in Computer Science, Computer Engineering, or related field.
• 6 years of professional experience developing full-stack applications, including backend database design and queries, API creation and consumption (SOAP and REST), and front-end UI development using Angular.

Responsibilities

• Provide application architecture and design artifacts and conduct design reviews.
• Lead DEV activities, architecture decisions, and code/design reviews within scrum teams.
• Collaborate with product owners, architects, test engineers, DevOps, and operations to deliver secure, scalable software.

Skills

Full-stack development

Angular

REST/SOAP APIs

Java

Spring Framework

Cloud deployments

AWS services

Kafka

TDD

Agile/Scrum

Code reviews

Education

Bachelor's degree in CS/CE or related field

Tools

SQL Developer

IntelliJ

VS Code

Swagger

Figma

Job description

Sr. Application Architects (Western Union, LLC. Denver, CO)

Support highly functional, secure, scalable, and robust software solutions from the product ideation stage to production deployment through collaboration with product owners, architects, test engineers, DevOps, and operations. Perform full-stack development including contribution to the design of backend databases and queries, API creation and consumption, and contribute to front-end user interface development. Take ownership and responsibility for one or more applications in a solution. Provide application architecture and design artifacts and conduct design reviews. Present solutions to technical and non-technical stakeholders. Take a hands‑on role in influencing development activities, architecture decisions, participate in designs, design review, code review, and implementation. Analyze existing software for usability and accessibility issues and provide recommendations for improvement. Participate in test driven development. Ensure that all product adheres to architecture standards, risk management standards, and security policies and can take on the DEV lead for the scrum team. Ensure adherence to established standards and may consult with senior managers on technology solutions. Support existing business systems applications and may be responsible for leading technical aspects of a project. Assign resources and delegate tasks to meet project deliverables. Up to 5% of domestic and international travel for partner integrations and offsite meetings. Telecommuting may be permitted for up to 1 day per week. When not telecommuting, must report to Western Union, LLC at 7001 E Belleview Ave, Denver, CO 80237. Salary: $171,454 to $230,261 per year.

MINIMUM REQUIREMENTS

• 8 years of progressive experience delivering enterprise level software solutions, and an array of technical leadership responsibilities across multiple high scale cross functional teams and solutions.
• Bachelor’s degree or U.S. equivalent in Computer Science, Computer Engineering, or related field, plus 6 years of professional experience as a Solution Architect, Software Engineer or any occupation, job title, position designing, developing, and supporting secure, scalable, and robust full‑stack software applications from ideation through production deployment.
• Must also have experience in the following: 6 years of professional experience developing full‑stack applications, including backend database design and queries, API creation and consumption (including SOAP and REST), and front‑end UI development using frameworks including Angular;
• 6 years of professional experience utilizing SQL Developer, IntelliJ, VS Code, and Swagger for API definition as well as utilizing Figma to collaborate with UI/UX team;
• 6 years of professional experience utilizing modern integration and application architecture patterns, including hybrid cloud environments, APIs, and event‑driven systems, to design and implement scalable software solutions;
• 6 years of professional experience designing and implementing backend services using technologies (including Java, Spring Boot, Spring Cloud, Hibernate, Spring Batch, and Kafka) with strong understanding of data structures and design patterns;
• 6 years of professional experience performing solution and application architecture, including creating architecture and design artifacts, conducting design reviews, and ensuring alignment with enterprise standards, security policies, and risk management requirements;
• 5 years of professional experience practicing test‑driven development (TDD) and participating in code reviews to ensure code quality, maintainability, usability, and accessibility compliance;
• 5 years of professional experience collaborating in Agile/Scrum environments, as well as managing work using tools including JIRA, participating in sprint planning, and presenting technical solutions to both technical and non‑technical stakeholders;
• 3 years of professional experience developing and deploying applications in cloud environments, as well as use of AWS services including API Gateway, EC2, container‑based compute, load balancing, object storage, and workflow orchestration services.

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/).

Western Union values in‑person collaboration, learning, and ideation whenever possible. We believe this creates value through common ways of working and supports the execution of enterprise objectives which will ultimately help us achieve our strategic goals. By connecting face‑to‑face, we are better able to learn from our peers, problem‑solve together, and innovate.

Our Hybrid Work Model categorizes each role into one of three categories. Western Union has determined the category of this role to be Hybrid. This is defined as a flexible working arrangement that enables employees to divide their time between working from home and working from an office location. The expectation is to work from the office a minimum of three days a week.

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.

We are passionate about diversity. 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: 11-01-2026 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.

Salary The on‑target earnings range is $171,454 to $230,261 per year, which includes a base salary and short‑term and long‑term incentives that align with individual and company performance. Actual salaries will vary based on candidates’ qualifications, skills, and competencies.

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.

Learn more about our purpose and people at https://careers.westernunion.com/.

Referral Bonus - $1,000 (Subject to Employee Referral Policy). Eligible to internal employees only.