Top Java Developer Jobs in Denver & Boulder, CO

Lead and mentor a team of engineers to design, implement, and maintain scalable, enterprise-grade services. Drive architecture decisions, conduct code and architecture reviews, define testing strategies, collaborate cross-functionally, engage with clients on complex technical issues, and continuously improve development processes and tooling.

The Senior Java Engineer will design, build, and maintain backend services for messaging and communication systems, focusing on team collaboration and software delivery best practices.

Develop, modify, and debug software for client applications on Linux. Collaborate with teams and document processes. Requires expertise in Java development.

The Java Engineer will work on a small team to build a new data platform, utilizing Core Java and the Spring framework.

The Java Engineer will design, develop, implement, and support systems for processing massive real-time data, collaborating with a team of 20 developers.

Develop Java EE applications and web services using Spring and Hibernate. Implement SOAP/REST APIs, and utilize CI/CD tools like Jenkins. Engage with cloud technologies and improve business processes.

The Senior Software Engineer, Java - Technical Lead will lead software development, architecture decisions, and mentorship in building scalable IT operations solutions.

Design and implement scalable solutions for IT operations, lead software development, mentor junior engineers, and ensure high-quality software delivery.

The Senior Software Engineer will develop scalable software solutions, commit code, and implement design patterns, ensuring high-quality applications for NinjaOne's IT Operations product suite.

The Principal Software Engineer will develop solutions in Java and Spring Boot, mentor teams, go through implementation goals, and communicate with customers and internal teams to enhance product quality and customer experience.

The Java Developer will participate in all SDLC phases, enhance enterprise applications, and implement security and REST services in a cloud environment.

The Full Stack Java Developer will design, develop, and maintain enterprise-class applications, focusing on secure and scalable web services for client-facing applications, especially in HHS programs.

Design and develop software solutions, provide support throughout the software development life cycle, and lead project team efforts to deliver enterprise applications.

The role involves building backend services for advisor productivity, integrating data sources, designing APIs, and contributing to both backend and frontend development in a greenfield project.

Responsible for backend platform development in a Java monolith, enhancing integrations, and delivering client and advisor features while ensuring engineering quality and team collaboration.

The Senior Software Engineer will develop microservices, maintain cloud infrastructure, mentor juniors, conduct code reviews, and design scalable solutions. Strong technical expertise in AWS and Java required.

The Product Engineer designs and implements large-scale distributed systems using Java and Spring Boot, following Agile methodologies with a focus on REST APIs and security best practices.

As a Backend Engineer, you will design, build, and maintain core infrastructure for a SaaS platform, ensuring high performance and reliability, while collaborating with cross-functional teams.

Collaborate with teams to deliver high-caliber products, solve complex problems with test-driven solutions, and lead projects. You'll need strong Java skills and software architecture experience.

The Senior Java Developer will design, code, and document Java applications for Point-of-sale systems and Pharmacy Benefit Management platforms, working independently and mentoring junior developers.

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.

As a Principal Software Data Engineer, you'll lead the design, development, and optimization of large-scale data platforms and pipelines, ensuring data governance and driving innovation in a collaborative environment.

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

Front-end–focused full-stack engineer building Angular SPAs, integrating Java-based back-ends, ensuring performance and accessibility, contributing to architecture, testing, CI/CD, containerization, and cross-team delivery.