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273 senior software developer java jobs at 92 companies in Longmont, CO

1mo
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Java Software Engineer Level 5
Aurora or Morrisville or Linthicum
$177k-$266k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
12+ YOEActive Top-Secret/SCI clearance required; 12+ years software development experience (alternatively experience/degree combinations), 5+ years Java, RESTful APIs/microservices, Git workflows, Agile experience, strong OOP and SOLID skills.
Java, RESTful APIs, Git, GitHub, GitLab, Bitbucket, Linux, CI/CD, Docker
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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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1mo
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Senior Java Developer
Denver or Colorado Springs
OnsiteFull Time
Blue Rose Consulting Group
Blue Rose Consulting Group: Provides IT and management consulting services to government agencies.
8+ YOE8+ years Java development experience with Spring Boot, Hibernate, Struts2/J2EE; experience with cloud (AWS/Azure), CI/CD, unit testing, and secure application development. Active Secret clearance and U.S. citizenship required.
Spring Boot, Hibernate, Struts 2, J2EE, AWS, Azure, Oracle, SQL Server, JUnit, SAML, SAFe, CI/CD, DevSecOps, Login.gov
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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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2d
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Senior Software Engineer, Java
Pittsburgh or Denver or Birmingham or Dallas or Cleveland
$86k-$173k/yr OnsiteFull Time
PNC Financial Services
PNC Financial ServicesNYSE: PNC: Provides banking, lending, and investment services to customers.
3+ YOEBachelor's degree with 3+ years industry experience, strong Java and API development skills, software design and testing experience, and effective communication and problem-solving abilities.
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3w
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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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6d
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Senior Java Software Engineer
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 or related plus 5+ years experience or equivalent; strong Java and Spring proficiency; ability to design software systems, research algorithms, decompose requirements, and lead complex projects.
Java, Spring
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1d
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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+ YOETop Secret/SCI with recent polygraph required, 7+ years Java experience, proficiency with Java Swing, Spring, Hibernate, Gradle/Maven, CI/CD, containerization, databases, Linux; BS in CS or equivalent.
Java, Java Swing, Spring, Spring Boot, Hibernate, Java EE, RESTful, SOAP, Gradle, Maven, GitLab, MongoDB, Cassandra, Docker, Podman, Kubernetes, Linux, Artifactory, Jira, Confluence
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4w
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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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3w
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Senior Software Engineer
Centennial, Colorado, United States
OnsiteFull Time
Grey Matters Defense Solutions
Grey Matters Defense Solutions: Develops software and AI algorithms for national defense missions.
10+ YOE10+ years software development experience; proficiency with Java, Spring, Angular, Typescript, Docker, microservices, PostgreSQL/Mongo, Unix/Linux; bachelor’s in CS/IT; active Top Secret clearance preferred.
Java, Spring Framework, Angular, Typescript, Docker, PostgreSQL, Mongo, Unix/Linux, Git, Gitlab, Kubernetes, ActiveMQ, WebSockets, HTTP, REST, CI/CD
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1mo
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Senior Software Engineer
San Francisco or Denver
$150k-$200k/yr HybridFull Time
SquareTrade
SquareTradeNYSE: ALL: Extended warranty and protection plans for consumer electronics.
5+ YOEBachelor's in CS required, 5+ years professional software development, strong Python/Java/Spring Boot/Kafka skills, generative AI exposure, TDD and pair-programming experience, PostgreSQL, GitHub, Jenkins, cloud (AWS/Microsoft Azure).
Python, Java, Spring Boot, Kafka, ChatGPT, Gemini, Retrieval-Augmented Generation (RAG), AWS, Microsoft Azure, CI/CD, Test-Driven Development (TDD), PostgreSQL, GitHub, Jenkins, Angular, JavaScript, CSS, Docker, Kubernetes, microservices
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6d
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Senior Software Engineer
Chicago or Peoria or Irving or Dallas or Denver
$113k-$183k/yr OnsiteFull Time
Caterpillar
CaterpillarNYSE: CAT: Manufactures construction and mining equipment, engines, and gas turbines.
Proven Java/Spring Boot software engineering experience, cloud deployment (AWS/Azure), SQL/ORM, CI/CD and automated testing, microservices, containerization, and mentoring experience; bachelor's degree preferred.
Java, Spring Boot, Hibernate, JPA, Spring Data, SQL, Snowflake, Playwright, Docker, Kubernetes, React, Angular, AWS, Azure
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2mo
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Senior Software Engineer
Littleton, Colorado, United States
$152k-$205k/yr OnsiteFull Time
Four Sea Group
Four Sea Group: Technical mission support and software engineering for aerospace.
6+ YOE6+ years software engineering experience; TS/SCI clearance; Bachelors in CS/SE or related field; Java, C++, Angular/React; Agile, REST APIs; CI/CD; Git-based workflows.
Java, C++, Angular, React, GitLab, Jenkins, REST APIs, CI/CD, Jira
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4w
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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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2w
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Senior Software Engineer
United States or Denver or Portland
$110k-$137k/yr RemoteFull Time
Ping Identity
Ping Identity: Provides identity and access management software for enterprise security.
Expert Java developer with experience building large-scale HTTP/REST services, familiarity with cloud platforms (AWS/GCP/Azure), strong communication and problem-solving skills.
Java, HTTP, RESTful web services, AWS, GCP, Azure, claude code
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1mo
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Senior Software Engineer
Westminster, Colorado, United States
$89k-$165k/yr HybridFull Time
Publicis Groupe
Publicis GroupeEuronext Paris: PUB: Global communications, advertising, and digital transformation holding.
5+ YOE5+ years building scalable, distributed software; proficient in Scala/Python/Java, Apache Spark, Databricks, AWS; experience with Hadoop/Hive, Kubernetes/Docker, Airflow, SQL, and ML; BA/BS in CS preferred.
Scala, Python, Java, Databricks, Apache Spark, Hadoop, Hive, AWS, Kubernetes, Docker, MWAA/Airflow, Git, SQL, Delta Lake, Unity Catalog, Notebooks, Jobs, Pipelines
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1mo
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Senior Software Engineer
Warrenton or State College or Augusta or Centennial
$150k-$200k/yr OnsiteFull Time
Altamira Technologies
Altamira TechnologiesNYSE: PSN: Provides data analytics and engineering for national security missions.
Strong Java and JavaScript/TypeScript skills required; Bachelor's in CS/CE/EE or related; experience with full-stack development, containers, Kubernetes, REST, and related tooling; Top Secret clearance required.
Java, Python, JavaScript, TypeScript, Angular, React, Elasticsearch, ELK stack, Redis, Web Services (REST), Docker, LXC, Kubernetes, Helm, Machine Learning, Data Analytics, Android, NoSQL, SQL, Xmidas
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1w
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Senior Software Engineer
United States or Denver
RemoteFull Time
Bitmovin
Bitmovin: Provides cloud-based video infrastructure for digital media companies.
5+ YOE5+ years software engineering experience, strong Java or C++, 2+ years customer-facing technical experience, cloud (AWS/GCP), Docker/Kubernetes, troubleshoot distributed systems, US work authorization, willing to travel up to 25%.
C++, Java, Kotlin, Docker, Kubernetes, AWS, GCP, Azure, Claude Code, AWS MediaConvert, Elemental, Harmonic, MediaKind
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1mo
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Senior Software Engineer
Arlington or Woburn or Carlsbad or Aurora or Boston or Dayton or Melbourne
$140k-$170k/yr HybridFull Time
Systems & Technology Research
Systems & Technology Research: Develops advanced technology for national security and defense applications.
5+ YOEProven Java and Spring development experience, microservices and API design, containerized infrastructure (Docker/Kubernetes), experience with Kafka/NATS and GitLab, Python for AI/data integration, and ability to obtain Top Secret clearance.
Java, Spring Boot, Linux, Docker, Kubernetes, Kafka, NATS, GitLab, Python
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2mo
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Senior Software Engineer
Peoria or Chicago or Irving or Dallas or Cary or Denver
$113k-$183k/yr OnsiteFull Time
Caterpillar
CaterpillarNYSE: CAT: Manufactures construction equipment, mining machinery, and industrial engines.
Design, develop, test, and deploy Java/Spring Boot applications; experience with SQL, Hibernate/JPA/Spring Data, Snowflake, AWS or Azure, microservices, Docker/Kubernetes, CI/CD and Playwright; mentoring experience; up to 10% travel.
Java, Spring Boot, AWS, Azure, SQL, Hibernate, JPA, Spring Data, Snowflake, Playwright, Docker, Kubernetes, React, Angular, CI/CD, DevOps
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