Top Senior Java Developer Jobs in Denver & Boulder, CO

Lead design and delivery of microservices-based backend systems, define architecture and standards, mentor engineers, drive cloud-native CI/CD and observability, ensure scalability, resilience, data strategy, and align technical solutions with business goals.

Lead architecture and delivery of large-scale Java microservices. Define standards, mentor teams, design RESTful and event-driven systems, ensure scalability, resiliency, CI/CD, observability, and data governance while collaborating with stakeholders and managing technical risk.

Lead architecture and delivery of Java-based microservices, define standards, mentor engineers, collaborate with stakeholders on technology roadmap, ensure scalability, resilience, monitoring, CI/CD, and data governance for large-scale production systems.

Work on an Agile team in Aurora, CO to troubleshoot production issues, perform performance tuning, and refactor legacy Java microservices. Support RESTful APIs, use Git-based workflows, and deliver in two-week sprints for three-month increments.

Design, develop, and maintain high-performance Java applications and microservices on an Agile team. Implement RESTful APIs, integrate with SQL/NoSQL databases, use Git-based version control, and follow SDLC and peer-review processes. Support program deliveries, work on 2-week sprints, and coordinate with cross-functional teams. Requires active Top Secret clearance and occasional travel (~10%).

Senior Java Engineer responsible for designing and delivering high-quality, low-maintenance software. Coach client teams on modern development practices, apply test-driven development, collaborate in small teams, and pursue continuous learning to improve scalable, maintainable applications.

Remote Senior Java Developer responsible for building Java web applications using JSP and Struts2/MVC, creating reports with Jasper or SSRS, and managing Linux application servers (load balancers, JBoss, Apache, WildFly).

The Sr Software Developer will design, develop, and mentor direct reports in software for the real estate industry, solving complex problems and ensuring product functionality and performance.

The Staff Engineer will leverage over 5 years of experience in Java, JavaScript, and frameworks to develop robust solutions, mentor teammates, and enhance client outcomes while utilizing agile methodologies and cloud development tools.

Seeking a Staff Engineer with 5+ years in Java, focusing on mentoring teammates, solving client challenges, and conducting cloud development.

Lead design and delivery of scalable, resilient distributed systems. Act as technical authority across teams, mentor engineers, drive architecture and CI/CD best practices, troubleshoot production issues, optimize performance, and enhance observability while writing production-grade Java.

Develop and integrate enterprise applications using MuleSoft and Java/JEE. Design/implement web services (SOAP/REST), transform data (XSLT/XML), work with Apache Camel/Spring Integration, coordinate requirements and project tasks, and support consulting engagements that may require travel.

Develop and maintain Java/J2EE enterprise applications using Spring, Hibernate, Web Services, and Oracle/PL-SQL. Participate in design/architecture reviews, requirements elicitation, and SDLC activities. Work with CI tools, version control, and QA processes in a financial services global delivery environment.

As a Senior Software Engineer, you will maintain and develop data connectors, enhance data integrations, and improve developer experience within the ClickHouse data ecosystem.

As a Senior Full Stack Engineer, you'll design, build, and support robust platform solutions while integrating front-end components with back-end systems, managing CI/CD pipelines, and automating infrastructure.

The Lead Java Software Engineer will design, develop, and deploy cloud-based enterprise applications, focusing on performance, security, and collaboration with cross-functional teams. The role requires hands-on leadership in the software development lifecycle, code quality, and continuous improvement in a remote environment.

The Senior Java Developer will design, develop, and implement custom software solutions in Agile teams, mentor juniors, and ensure product quality.

Optimize and scale blockchain node performance, design and implement core system plugins, collaborate with cross-functional teams, conduct performance testing and debugging, and stay current on blockchain and distributed systems technologies to maintain reliable infrastructure.

Develop and maintain Java backend services for enterprise blockchain applications, integrate APIs with React/Vue frontends, design scalable blockchain solutions, troubleshoot complex backend issues, and collaborate with the team to apply best practices and stay current with blockchain trends.

The Senior Java Developer will design and implement JEE software applications, develop automation tests and manage full software development lifecycle activities.

The Senior Java Developer will manage Java application development, focusing on scalable enterprise applications, and oversee the full software lifecycle.

Design, develop, test, containerize, and maintain mission-critical software for missile warning systems. Write unit tests, use Docker (Kubernetes a plus), implement CI/CD pipelines, produce documentation, diagnose anomalies, and work on-site with Agile teams in a secure environment requiring an active Secret clearance.

Design, develop and operate microservice-based components for a derivatives exchange platform. Collaborate with product, security and DevOps teams to build scalable, secure back-end systems with automated testing, CI/CD, and rapid deployment. Participate in code audits, testing, release, and cross-stack problem solving; optimize and implement trading models and products.

The Senior Software Engineer will develop and maintain big data applications, focusing on distributed computing, automation, and collaboration with teams to enhance healthcare solutions.