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Java Microservices Developer Jobs in Denver, CO (NOW HIRING)

IT America Inc

GCP Java Technical Lead

Denver, CO · On-site

Mentor and guide junior developers, fostering technical growth and ensuring knowledge sharing ... microservices architecture. * Hands-on experience with Google Cloud Platform services and cloud ...

Cymertek

Software Engineer (Java, MASH, Linux)

Aurora, CO · On-site

$52.75 - $72.25/hr

... Developer, Java Software Engineer, MASH Developer, etc. DEGREE (Level Desired)Bachelor ... Understanding of microservices architecture * Experience with CI/CD pipelines * Knowledge of ...

Cymertek

Software Engineer (Java, MASH, Linux)

Aurora, CO · On-site

$52.75 - $72.25/hr

... Developer, Middleware Engineer, Systems Engineer, Backend Developer, Full Stack Developer ... Understanding of microservices architecture * Experience with CI/CD pipelines * Knowledge of ...

Cymertek

Software Engineer (Java, AWS, Linux)

Aurora, CO · On-site

$52.75 - $72.25/hr

... Java Developer, AWS Cloud Engineer, Linux Systems Developer, Backend Developer, Full Stack ... Familiarity with microservices architecture * Understanding of cloud security best practices

Cymertek

Software Engineer (Java, AWS, Linux)

Aurora, CO

$52.75 - $72.25/hr

... Java Developer, AWS Cloud Engineer, Linux Systems Developer, Backend Developer, Full Stack ... Familiarity with microservices architecture * Understanding of cloud security best practices

Cymertek

Java / C / AWS Software Engineer

Aurora, CO · On-site

$52.75 - $72.25/hr

SIMILAR CAREER TITLES Java Developer, C Developer, AWS Software Engineer, Cloud Software Engineer ... Knowledge of microservices architecture * Understanding of serverless computing in AWS

Cymertek

C / C++ / Java Software Developer

Aurora, CO

$50 - $67.25/hr

C / C++ / Java Software Developer LOCATIONAurora, CO 80014 CLEARANCETS/SCI Full Poly (Please note ... Knowledge of microservices architecture * Experience with databases (SQL/NoSQL) * Understanding of ...

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How much do java microservices developer jobs pay per hour?

As of May 30, 2026, the average hourly pay for java microservices developer in Denver, CO is $58.36, according to ZipRecruiter salary data. Most workers in this role earn between $50.48 and $65.34 per hour, depending on experience, location, and employer.

What is the difference between Java Microservices Developer vs Java Backend Developer?

AspectJava Microservices DeveloperJava Backend Developer
Required SkillsMicroservices architecture, REST APIs, Spring Boot, DockerCore Java, Spring Framework, SQL, APIs
Work EnvironmentDistributed systems, cloud platforms, containerizationMonolithic applications, server-side development
Industry UsageTech companies, cloud services, scalable applicationsFinancial, enterprise, and web applications

Java Microservices Developers focus on designing and implementing scalable, distributed microservices architectures using tools like Spring Boot and Docker. In contrast, Java Backend Developers work on server-side logic, often within monolithic systems, utilizing core Java and Spring. Both roles require Java expertise but differ in scope and environment, with microservices roles emphasizing cloud and containerization skills.

What are the most commonly searched types of Java Microservices Developer jobs in Denver, CO? The most popular types of Java Microservices Developer jobs in Denver, CO are:
Java Microservices Developer jobs near you
Infographic showing various Java Microservices Developer job openings in Denver, CO as of May 2026, with employment types broken down into 48% Full Time, 44% Part Time, and 8% Contract. Highlights an 67% Physical, 6% Hybrid, and 27% Remote job distribution, with an average salary of $121,384 per year, or $58.4 per hour.
Software Engineer - Full Stack

Software Engineer - Full Stack

CACI International, Inc.

Aurora, CO • On-site

Full-time

Medical, Retirement, PTO

Posted 21 days ago

Job description

Job Title: Software Engineer - Full Stack
Job Category: Engineering
Time Type: Full time
Minimum Clearance Required to Start: Secret
Employee Type: Regular
Percentage of Travel Required: Up to 10%
Type of Travel: Local
Anticipated Posting End: There is not an anticipated end date for this posting since applications are needed on an ongoing basis.
The Opportunity:
We are seeking a talented and motivated Software Engineer to join our dynamic team. As a key contributor, you will design, develop, and maintain innovative software solutions that meet modern industry standards. You will be responsible for writing clean, scalable code, troubleshooting technical issues, and optimizing system performance. A strong understanding of cloud computing, APIs, and software architecture is highly desirable. If you are passionate about technology and eager to make an impact, we would love to hear from you!
Responsibilities:
  • Feature Development: Build and maintain new Java microservices using Quarkus or Spring Boot. Focus on writing high-performance, asynchronous code that adheres to the program's architectural patterns.
  • Component-Based UI: Develop modular React components using Vite and the Astro UXDS design system. Ensure UI elements are reusable and integrated correctly with the backend.
  • BFF Integration: Implement and extend ExpressJS middleware to handle specific frontend-to-backend data transformations and API routing.
  • Local Containerization: Use Docker to build and test containerized services locally, ensuring parity with the development and test Kubernetes environments.
  • Automated Testing: Own the unit and integration testing lifecycle using JUnit and modern frontend testing frameworks. Ensure 100% traceability between tests and mission requirements.
  • Pipeline Contribution: Maintain and update GitLab CI/CD job definitions for specific services, including build scripts, linting, and automated vulnerability scanning.

Qualifications: T3
Required:
  • Bachelor's degree in computer science or related field
  • 5+ years of experience in object-oriented (OO) languages
  • Core Java: Proficiency in Java 17+, including familiarity with dependency injection and RESTful service design.
  • React Ecosystem: Experience with React hooks, state management, and modern build tools like Vite.
  • Data Access: Ability to design and implement schemas for PostgreSQL and MongoDB, and write optimized queries for OpenSearch.
  • K8s Basics: Practical experience deploying and debugging applications within a Kubernetes cluster.

  • Must possess an active Secret security clearance
  • Willing to be submitted for and obtain a Top Secret security clearance

Responsibilities:
  • Module Design: Take ownership of specific functional modules, defining the internal architecture of services and how they interact with the broader Quarkus/Spring Boot ecosystem.
  • Geospatial Visualization Engine: Lead the integration of CesiumJS and STK into the React frontend. Optimize the rendering of 4D space-track data to ensure low latency and high frame rates.
  • Microservices Orchestration: Manage and optimize Kubernetes manifests and Helm charts. Leverage Rancher for service scaling and environment configuration management.
  • API Governance: Design and document stable API contracts for microservices. Ensure the ExpressJS gateway layer efficiently handles telemetry streams and user authentication.
  • DevSecOps Integration: Harden GitLab CI/CD pipelines by integrating automated security tools (SAST/DAST) and container image signing.
  • Data Strategy Execution: Implement high-availability data patterns, including index management in OpenSearch and data sharding strategies for large geospatial datasets.
  • Technical Review: Conduct peer code reviews focused on security, performance, and adherence to the Lead Engineer's architectural vision.

Qualifications: T4
Required:
  • Bachelor's degree in computer science or related field
  • 7+ years of experience in object-oriented (OO) languages
  • Advanced Java: Expert knowledge of multi-threading, reactive programming, and performance tuning for containerized JVMs.
  • Complex Frontend: Deep experience managing complex state and 3D rendering cycles in React/Vite applications.
  • Infrastructure as Code: Proficiency in writing and maintaining K8s YAML, Helm charts, and GitLab CI configurations.
  • Domain Fluency: Strong understanding of satellite mission logic, coordinate systems (ECI/ECEF), and time-series data management.
  • Security Standards: Experience implementing OWASP Top 10 mitigations and government-specific security hardening (STIGs).
  • Must possess an active Secret security clearance
  • Willing to be submitted for and obtain a Top Secret security clearance

Responsibilities:
  • Core Stack Architecture:
    • Establish the foundational technical stack for a multi-year program. You will make the final determination on frameworks (e.g., Quarkus vs. Spring Boot) and architectural patterns that ensure long-term scalability, performance, and low technical debt.
  • Space Domain Technical Leadership:
    • Bridge the gap between systems engineering and software. You are responsible for translating orbital mechanics, mission planning logic, and satellite C2 requirements into high-performance software architecture.
  • CI/CD & Deployment Strategy:
    • Architect the end-to-end GitLab CI/CD strategy specifically for cleared and air-gapped environments. This includes automating security compliance reporting, dependency management in restricted networks, and streamlined deployment to production.
  • Distributed System Design:
    • Engineer a resilient "system-of-systems" capable of processing real-time telemetry and 4D geospatial visualizations (CesiumJS/STK). Focus on low-latency data distribution and high-availability patterns.
  • Zero Trust & Security Hardening:
    • Implement a Zero Trust security model across the full stack. You are responsible for the security posture of everything from base Docker images and Kubernetes network policies to React frontend hardening.
  • Kubernetes Orchestration & Service Mesh:
    • Define the strategy for service mesh (e.g., Istio or Linkerd), automated scaling, and cluster resource management within Rancher to handle fluctuating mission workloads.
  • Technical Mentorship & Culture:
    • Direct the engineering team through deep-dive code and architectural reviews. You are responsible for setting the "build-it-right-first" technical culture, ensuring senior and mid-level devs adhere to established patterns.

Qualifications: T5
Required:
  • Bachelor's degree in computer science or related field
  • 10+ years of experience in object-oriented (OO) languages
  • Expert Java Ecosystem: Mastery of Java 17+, reactive programming, and building native-image binaries for optimized container performance.
  • Full-Stack Strategy: Deep understanding of the interaction between Vite/React frontends and asynchronous backend services.
  • Production K8s: Extensive experience managing production-grade Kubernetes environments, including persistent storage, ingress controllers, and sidecar patterns.
  • Data Architecture: Expert knowledge of designing high-throughput data layers using PostgreSQL, MongoDB, and OpenSearch for complex geospatial queries.
  • Compliance Engineering: Experience delivering software within RMF (Risk Management Framework) or similar government security accreditation processes.
  • Must possess an active Secret security clearance
  • Willing to be submitted for and obtain a Top Secret security clearance

This position is contingent on funding and may not be filled immediately. However, this position is representative of positions within CACI that are consistently available. Individuals who apply may also be considered for other positions at CACI.
What You Can Expect:
A culture of integrity.
At CACI, we place character and innovation at the center of everything we do. As a valued team member, you'll be part of a high-performing group dedicated to our customer's missions and driven by a higher purpose - to ensure the safety of our nation.
An environment of trust.
CACI values the unique contributions that every employee brings to our company and our customers - every day. You'll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality.
A focus on continuous growth.
Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground - in your career and in our legacy.
Pay Range:
There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits.
The proposed salary range for this position is:
$90,300 - 189,600 USD
CACI is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.

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