Senior Back-End Engineer
3B Staffing LLC
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
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.
- 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.
Vacancy posted 1 day ago
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