Senior Application Architect: Hybrid, Full-Stack & Cloud

Relha LLC; Denver, Northern (CO, KY); Hybrid; USD 171,000 - 230,000; Full time

Job summary

Western Union seeks a senior Solution Architect to drive full‑stack architecture from ideation to production. You will own backend services with Java and Spring, design scalable microservices, and ensure security compliance while collaborating with product owners, architects, and DevOps.

You will work within a hybrid model, contribute to design reviews, mentor engineers, and support cloud deployments with AWS services like API Gateway and EC2. Compensation reflects seniority and market norms.

Qualifications

• Bachelor’s degree in computer science, computer engineering or related field, plus 6 years of professional experience.
• 6 years of full‑stack development experience including backend DB design and queries, API creation and consumption (SOAP/REST) and front‑end UI development.
• 6 years with Angular, SQL Developer, IntelliJ, VS Code, Swagger, and UI collaboration via Figma.
• 6 years using modern integration and application architecture patterns, including hybrid cloud, APIs and event‑driven systems.
• 6 years designing and implementing backend services with Java, Spring Boot, Spring Cloud, Hibernate, Spring Batch and Kafka.
• 6 years architecture work aligning with enterprise standards and security policies.
• 5 years practicing TDD and code reviews; 5 years in Agile/Scrum with JIRA; 3 years cloud deployment experience (AWS).

Responsibilities

• Lead design reviews and create architecture/design artifacts.
• Collaborate with stakeholders to present technical solutions.
• Develop and deploy robust full‑stack applications in production.
• Ensure architecture adherence to security and risk standards.
• Mentor team members and participate in agile ceremonies.
• Support existing systems and manage project tasks and resources.
• Travel up to 5% for partner integrations and offsite meetings.

Skills

Leadership

Solution architecture

Technical design

Agile/Scrum

Code reviews

Stakeholder communication

Mentoring

Education

Bachelor’s degree in CS/CE or related field

Tools

Angular

SQL Developer

IntelliJ

VS Code

Swagger

Figma

AWS (API Gateway, EC2)

Kafka

Java/Spring Boot/Spring Cloud/Hibernate/Spring Batch

Kafka

Job description

Western Union seeks a senior Solution Architect to drive full‑stack architecture from ideation to production. You will own backend services with Java and Spring, design scalable microservices, and ensure security compliance while collaborating with product owners, architects, and DevOps.

You will work within a hybrid model, contribute to design reviews, mentor engineers, and support cloud deployments with AWS services like API Gateway and EC2. Compensation reflects seniority and market norms.