Top Java Developer Jobs in Denver & Boulder, CO

Build software using Java, Flink, and Pulsar for trading markets. Assist in hybrid cloud framework development and coordinate with stakeholders on solutions and improvements.

Develop mission-critical Java applications using Spring and Angular in agile teams. Collaborate with users on design, use Linux and source control (Git/GitLab/Bitbucket), track work in Jira/Confluence, and work onsite. Active TS/SCI with CI poly required.

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 and maintain BPM solutions using Appian, focusing on business logic and process models, coordinating with analysts, performing testing, and mentoring junior 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.

Provide technical and managerial direction for system design, develop and maintain Appian BPM solutions, and mentor junior developers.

Develop and implement software solutions for credentialing and case management systems using Java and associated frameworks for federal agencies.

As a Junior Java Developer, you will design and develop web components, perform testing, manage software deployment, and enhance existing code.

The Senior Full Stack Java Developer will design and maintain enterprise applications using Java and modern front-end technologies while collaborating in Agile teams and mentoring junior developers.

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.

The Java Developer will design and implement software solutions, support agile processes, mentor juniors, and solve complex technical problems while collaborating within a product team.

The role involves developing applications using Java and Spring, conducting business analysis, and ensuring alignment between technical teams and stakeholders.

The Principal Software Engineer will enhance customer experiences and lead software solutions, collaborating across teams to drive innovative technology in a fast-paced environment. Responsibilities include coding, mentoring, optimizing data pipelines, and defining development standards.

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

The Product Engineer designs and implements digital products using modern technologies, manages production applications, and coaches teams in agile practices.

Develop and maintain high-performance Java applications, work on web and mobile applications, and collaborate in Agile/Scrum teams.

Design, build, and support cloud-native full stack or backend Java products using TDD, CI/CD, microservices and event-driven patterns. Collaborate with product teams, provide production support, implement monitoring and ensure secure, performant systems.

The role involves improving Elasticsearch's distributed components, maintaining cluster coordination systems, and addressing complex issues to optimize performance and scalability.

Develop and maintain Java-based GEOINT software in an agile team. Design and implement RESTful APIs, microservices, CI/CD and DevOps pipelines, infrastructure-as-code, containerized deployments (Docker/Kubernetes), and integrations with Elasticsearch, Redis, Kafka and NiFi. Collaborate with operational users, prototype rapidly, debug complex mission logic, and lead/review other developers' work while following CM processes and tooling.

Build and maintain straightforward 2D game features using Java and libGDX to generate high-quality training data for AI. Implement basic mechanics (sprite management, game loops, input handling), fix performance issues, participate in code reviews, document workflows, and collaborate remotely with AI experts and cross-functional teams.

Develop and optimize cross-platform 2D and 3D games using Java and libGDX for desktop, Android, and web. Collaborate with artists and designers to prototype and implement gameplay, UI, and interactive systems, maintain modular reusable code, profile and debug performance issues, and produce clear documentation and team communication.

Design, implement, test, and maintain full‑stack features and services for the Cayuse Research Platform. Drive architecture, prototypes, and technical debt reduction while practicing TDD, expanding automated QA, collaborating cross‑functionally, and ensuring high quality delivery in an Agile environment.

Develop applications for a top financial institution focusing on front-end development and participating in the full software lifecycle.

The role involves full lifecycle development of applications, focusing on backend and Spring technologies within a development team.