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534 engineer java jobs at 157 companies in Westminster, CO

1mo
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Senior Java Developer
Sterling or Sarasota or Denver
$90k-$190k/yr OnsiteFull Time
CACI International
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
7+ YOETS/SCI with recent polygraph required, 7+ years Java development, experience with Java Swing, Spring/Spring Boot, Hibernate/Java EE, Gradle/Maven, GitLab CI/CD, Docker/Podman/Kubernetes, Linux, MongoDB/Cassandra/SQL; bachelor's or master's in CS/SE or equivalent experience.
Java, Java Swing, Spring, Spring Boot, Hibernate, Java EE, RESTful, SOAP, Gradle, Maven, GitLab, CI/CD, MongoDB, Cassandra, SQL, Docker, Podman, Kubernetes, Linux, Artifactory, Jira, Confluence
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1mo
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Senior Java Developer
Denver or Colorado Springs
RemoteFull Time
Blue Rose Consulting Group
Blue Rose Consulting Group: Provides IT and management consulting services to government agencies.
8+ YOEU.S. citizen with active Secret clearance and 8+ years Java development experience; skilled with Spring Boot, Hibernate, Struts2/J2EE, cloud (AWS/Azure), APIs, and CI/CD.
Java, Spring Boot, Hibernate, Struts 2, J2EE, Oracle, SQL Server, JUnit, SAML, AWS, Azure, CI/CD, Login.gov, SAFe
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2d
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Java Developer l
Lakewood, Colorado, United States
$78k-$125k/yr OnsiteFull Time
American Systems
American Systems: Providing strategic engineering and IT solutions for government programs.
0+ YOEBachelor's in computer science or related, 0-2 years Java development, U.S. citizenship required, Public Trust clearance ability, familiarity with TIBCO, REST/XML/JSON, Git, and Agile.
Java, TIBCO, REST, XML, JSON, HTML, Git, Ant, Maven, Gradle, AWS, Azure
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1mo
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Lead Java Developer
Greenwood Village or Colorado Springs
$90k-$120k/yr OnsiteFull Time
Excelacom
Excelacom: Develops telecom software and provides technology consulting services.
8+ YOE8+ years Java/J2EE experience with Spring/Spring Boot, microservices, AWS/PCF, REST/SOAP integrations, SQL and Kibana; consulting and Agile experience; bachelor\u0002s degree preferred; strong communication and leadership skills.
Java 8+, J2EE, Spring, JDBC, Java Beans, Spring Boot, RESTful APIs, REST Web Services, SOAP Web Services, Microservices, AWS, PCF, SQL, Kibana, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Visio, CI/CD, DevOps
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2w
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Lead Java Software Engineer
Denver or United States
$85k-$160k/yr RemoteFull Time
Resource Innovations
Resource Innovations: Provides clean energy services and software solutions for utilities.
8+ YOE8+ years building high-performance enterprise applications; Bachelor's/Master's in CS/Engineering; strong Java, Python, Spring Boot; MySQL and NoSQL; OpenSearch/Elasticsearch; Apache Camel; RabbitMq; AWS; CI/CD; microservices.
Java, Python, Spring Boot, MySQL, NoSQL, OpenSearch, Elasticsearch, APM, Apache Camel, RabbitMq, AWS, CI/CD, Kubernetes, Angular, GitHub Copilot, Claude, Jira, Confluence, Git
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1mo
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Senior Java Developer
Sterling or Sarasota or Denver
$90k-$190k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provides information technology and professional services to government clients.
7+ YOETS/SCI with polygraph; 7+ years Java; leadership; Spring/Spring Boot; REST/SOAP; DevOps; databases; Docker/Kubernetes; Linux.
Java, Spring, Spring Boot, Hibernate, REST, SOAP, Gradle, Maven, GitLab, Docker, Kubernetes, Linux, Artifactory, Jira, Confluence
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2mo
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Senior Java Engineer - Cloud Platform
Denver, Colorado, United States
$170k-$200k/yr HybridFull Time
FusionAuth
FusionAuth: Provides authentication and user management software for developers.
10+ YOE10+ years software development; 6+ years in ops/platform; strong Java; AWS; Kubernetes; Terraform; Linux; SQL; cloud and backend architecture.
Java, AWS, Kubernetes, Terraform, Linux, SQL, Git
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3mo
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Java Software Engineer - Space Domain
Herndon or Aurora
$104k-$166k/yr OnsiteFull Time
Peraton
Peraton: National security and mission-critical government technology services provider.
5+ YOE5+ years related experience; TS/SCI with poly; 2+ years Java; microservices/containers; Spring; REST APIs; Linux/Windows; DoD 8570; Security+ or CISSP preferred.
Java, Docker, Kubernetes, Spring, Spring Boot, REST, Linux, Windows, Apache NiFi, Apache Kafka, Jira, Confluence, Git, GitLab, DoD 8570
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2w
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Principal Java Software Engineer (Onsite)
Richardson or Aurora or Dulles
$108k-$205k/yr OnsiteFull Time
RTX
RTXNYSE: RTX: RTX provides advanced aerospace and defense systems and services.
8+ YOESTEM degree and minimum 8 years relevant experience; active transferable TS/SCI clearance and U.S. citizenship required; experience with Java, large-scale architecture, Agile, and Atlassian tools.
Java, Atlassian, Git, Chef, Ruby, Python, Groovy, SQL, NoSQL, AWS (S3, SQS, SNS), Apache Felix, Apache Velocity, Spring Boot, Spring Integration, Spring Framework, Docker, Kubernetes, Hibernate, Bitbucket, Jenkins, Artifactory
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1mo
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Java Software Engineer Level 4
Aurora or Morrisville or Linthicum Heights
$142k-$213k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Designs and manufactures advanced aerospace and defense systems.
8+ YOETop Secret/SCI required; Bachelor’s degree (or equivalent experience); 5+ years Java development; experience with RESTful APIs, microservices, Git, and Agile; strong OO design and SOLID principles.
RESTful APIs, microservices, Java, Git, GitHub, GitLab, Bitbucket, Linux, CI/CD, Docker
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1mo
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Java Software Engineer Level 4
Aurora or Morrisville or Linthicum
$142k-$213k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
5+ YOERequires active Top-Secret clearance with SCI, 5+ years Java development, experience with RESTful APIs, Git workflows, Agile processes; Bachelor's/Master's degree with corresponding years of experience or equivalent experience.
RESTful APIs, Java, Git, GitHub, GitLab, Bitbucket, Linux, CI/CD, Docker, cloud platforms
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2w
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Senior Full Stack Java Engineer
Centennial, Colorado, United States
$150k-$170k/yr OnsiteFull Time
Yield Solutions Group
Yield Solutions Group: Provides auto loan refinancing and mortgage solutions for consumers.
7+ YOE7+ years software development with production Java Spring Boot and React; expert TypeScript; microservices, REST API and database design (Postgres/MariaDB); AWS and Terraform architecture; Datadog observability; CI/CD and testing ownership; AI-assisted development experience preferred.
Java Spring Boot, React, TypeScript, Postgres, MariaDB, AWS, Terraform, Datadog, CI/CD
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1w
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Staff Engineer (Java)
Los Angeles or Broomfield
$155k-$180k/yr HybridFull Time
Magnite
MagniteNASDAQ: MGNI: Independent sell-side platform for digital media advertising.
6+ YOE6+ years production Java experience, expertise in microservices, Spring Boot, Docker, AWS, relational and NoSQL databases, messaging systems, CI/CD, and automated testing.
Java, Spring Boot, Docker, AWS, EC2, ECS, Hibernate, MySQL, Oracle, Postgres, Redis, MongoDB, DynamoDB, RabbitMQ, Kafka, Maven, Git, Jenkins, Puppet, Jira, JavaScript, React, Ant Design, Material UI, React Bootstrap, Model Context Protocol (MCP)
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3w
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Software Engineer Sr (Java)
Pittsburgh or Denver or Strongsville or Birmingham or Dallas
$86k-$158k/yr OnsiteFull Time
PNC Financial Services
PNC Financial ServicesNYSE: PNC: Provides banking, lending, and investment services to customers.
3+ YOEFull‑stack Java development experience, 3+ years relevant industry experience, bachelor's degree typically required, strong application design and development skills.
Java
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1mo
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Senior Software Engineer - Java/Kotlin
Boulder, Colorado, United States
$131k-$167k/yr OnsiteFull Time
Garmin
GarminNYSE: GRMN: Designs and manufactures GPS-enabled navigation and wearable technology products.
5+ YOEBachelor's in CS/CE/SE or equivalent and 5+ years experience; mastered Java/Kotlin with Spring; experience designing software systems, microservices, REST APIs, databases, Docker/Kubernetes; strong communication and leadership skills.
Java, Kotlin, Spring Framework, Spring Boot, Spring Cloud, Spring Security, WebFlux, Microservices, RESTful API, Relational Databases, NoSQL, Docker, Kubernetes, Lit, Angular, Svelte, React, Vue, Agile
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2mo
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Java Software Engineer - Space Domain
Herndon or Aurora
$104k-$166k/yr OnsiteFull Time
Peraton
Peraton: Provides advanced technology and mission support for government agencies.
4+ YOETS/SCI with polygraph; BS with 5+ yrs or MS with 4+ yrs; 2+ yrs Java; microservices/Docker/Kubernetes; Spring/Spring Boot; REST; Linux/Windows server; DoD 8570 cert (Security+ or CISSP) within 6 months.
Docker, Kubernetes, Spring Framework, Spring Boot, REST, Linux, Windows Server, Apache NiFi, Apache Kafka, Jira, Confluence, Git, GitLab
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3d
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Lead Software Engineer (Microservices/Java/Spring boot /Cloud)
Earth City or Atlanta or Hopkins or Chicago or Cincinnati or Denver or Brookfield or Irving
$127k-$149k/yr HybridFull Time
U.S. Bank
U.S. BankNYSE: USB: Provider of personal, business, and institutional financial services.
6+ YOEBachelor's or equivalent,6+ years relevant experience,expertise in microservices,Java/Spring Boot,cloud-native development,distributed systems,DevOps and CI/CD practices.
Java, Spring Boot, Node, NPM, React, REST, Kafka, Jenkins, CloudBees, GitLab, Apigee, Istio, Kubernetes, Rancher, Azure, AWS
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3mo
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Staff Engineer, Core Services Platform
San Francisco or Denver
$225k-$278k/yr HybridFull Time
Strava
Strava: Fitness tracking and social networking app for athletes.
10+ YOE10+ years backend engineering; tech lead experience; distributed systems design; proficient in Ruby/Scala/Go/Java; AWS; Kafka/Kubernetes; MySQL/Redis/Cassandra.
Ruby, Scala, Go, Java, AWS, Kafka, Kubernetes, MySQL, Redis, Cassandra
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1mo
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Senior Software Engineer – API & Cloud Integrations (Java, AWS)
Denver or Cedar Rapids or Philadelphia
$94k-$120k/yr HybridFull Time
Transamerica
TransamericaNYSE: AEG: Provides insurance, retirement solutions, and investment products to customers.
3+ YOEBachelor’s or equivalent experience; 3+ years Core Java; experience with Spring, microservices, APIs, databases (RDBMS/NoSQL), cloud (AWS/Azure), CI/CD, and integration frameworks; strong analytical and communication skills.
Java, Core Java, Spring Framework, Spring Boot, Spring MVC, J2EE, Entity Framework, IIS, Swagger, Swagger API, OData, .NET API 2, .NET API Core, AutoMapper, MS Cosmos DB, Microsoft Cosmos DB, Apache Cassandra, Amazon DynamoDB, AWS, Azure, EC2, ECS, S3, Kinesis, Microsoft VMs, Microsoft Blob, Microsoft Data Factory, Microsoft SQL Data Warehouse, Microsoft ARM Templates, Microsoft Event Hubs, Visual Studio, Git, Bitbucket, Maven, Jenkins, Nexus, SQL Management Studio, NUnit, Ajax, MS HPC, SageMaker, Spark, API Gateways, Apache Camel, Zookeeper, Kafka, Docker, OpenShift, Kubernetes, Angular, React, Vue.js, ASP.NET MVC, HTML, JS, CSS
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1mo
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Senior Platform Engineer, AI
Denver or Long Beach
$170k-$275k/yr HybridFull Time
True Anomaly
True Anomaly: Develops autonomous spacecraft and software for space security missions.
5+ YOE5+ years software/cloud/DevOps experience; production development in Python/TypeScript/Java; experience with LLM APIs, prompt engineering, RAG, agent frameworks, API integrations; ability to obtain Top-Secret clearance and U.S. citizenship or equivalent status.
Python, TypeScript, Java, CrewAI, Pydantic AI, API, webhooks, MCP, Retrieval-Augmented Generation (RAG), AWS, Azure, GCP, AWS GovCloud, Azure Government, FedRAMP, NIST 800-53, IL4, IL5
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