Senior Back-End Engineer

Senior Back-End Engineer

Location: Denver, CO or NYC (On-site)

Workplace Type: On-site

GC and USC

Overview

We're looking for a talented and dedicated Senior Back-End Developer focused on low-latency, real-time application development to join a high-performing engineering team. This is a chance to work on complex, mission-critical systems in a fast-paced, high-throughput environment.

Responsibilities

• Design, develop, test, deploy, and maintain scalable, high-performance backend applications using Java.

• Participate in the complete software development lifecycle including design, implementation, testing, and production support.

• Translate business and technical requirements into well-architected backend solutions.

• Collaborate closely with global teams including product managers, architects, and other developers.

• Perform code reviews and contribute to software design and architecture discussions.

• Provide documentation and ongoing support for deployed systems.

• Experience Required

• 7+ years of hands-on development in Java , with strong expertise in Spring , Spring Boot , RESTful APIs , and Microservices architecture.

• Proficiency in SQL and experience with relational databases .

• Knowledge of Maven , Git , JUnit , and test-driven development practices.

• Familiarity with CI/CD pipelines , Linux , and Bash scripting .

• Understanding of security protocols such as SAML , encryption , certificates , and web security best practices .

• Exposure to JSON , web services , and working within Agile/DevOps environments .

• Nice to have: Experience with Keycloak and OpenSearch .

• Strong analytical and problem-solving skills, with the ability to thrive in high-performance teams.

• Bachelor's degree in Computer Science, Information Systems, or related field—or equivalent work experience.