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Java Engineer Jobs in Keystone, CO, US
53 java engineer jobs from 23 companies hiring in Keystone, CO, US.
2w
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Engineer Senior - Ground Software Developer
Fairborn or Boulder or Broomfield
$88k-$150k/yr OnsiteFull Time
4+ YOEBS degree in Engineering or related field plus 4+ years of experience; active Top Secret/SCI clearance with polygraph; experience in Java, RESTful services, SpringBoot, Kubernetes, Git, Kafka/MongoDB; leadership experience.
Java, SpringBoot, Mockito, Lombok, OpenAPI, REST, Kubernetes, Helm, Git, Kafka, MongoDB, ActiveMQ, NiFi, Python, C++
6d
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Senior Cloud Infrastructure Engineer, Google Public Sector
Reston or Atlanta or Austin or Boulder or Sunnyvale or Washington D.C.
$153k-$222k/yr OnsiteFull Time
6+ YOEBachelor's in CS or equivalent; 6 years infra automation, DevOps, and IaC; 6 years troubleshooting; coding in Python/Java/Go/C/C++; IaC (Terraform/OpenTofu); active Secret clearance
Terraform, OpenTofu, GitOps, Kubernetes, GKE, Python, Java, Go, C, C++
1w
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Engineer Senior - Systems - MBSE Core Capabilities
Boulder or Westminster or Broomfield
$97k-$165k/yr OnsiteFull Time
4+ YOEBS in engineering or related field with 4+ years experience; MBSE tools expertise; strong SysML/UAF knowledge; communication and change management skills.
Cameo/MagicDraw, SysML, UAF, Jama API, Python, Java
2d
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Principal Systems Engineer
Boulder, Colorado, United States
$180k-$195k/yr HybridFull Time
10+ YOESECRET clearance; 10+ years space systems; design, integration, testing; C#/C++/Java; SysML/Cameo; gRPC/Kafka/DDS; OpenShift/Kubernetes; DevSecOps; system owner.
Cameo Systems Modeler, SysML, gRPC, Kafka, DDS, OpenShift, Terraform, Ansible, Kubernetes, OpenTelemetry, Jaeger
1w
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Engineer Senior - Systems - MBSE Core Capabilities
Boulder, Colorado, United States
$97k-$165k/yr HybridFull Time
4+ YOEBS in engineering with 4+ years MBSE tool experience; strong Cameo/MagicDraw, SysML v1.x, and UAF knowledge; collaboration with ITS/ESS and other MBSE teams.
Cameo/MagicDraw, SysML, UAF, Jama API, Cameo API, Python, Java
1w
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Software Engineer
Boulder, Colorado, United States
$120k-$160k/yr OnsiteFull Time
5+ YOE5+ years software engineering; Bachelor's in science/engineering/computer science; Java and C/C++; scripting; SQL; DoD SECRET clearance; onsite in Boulder, CO; DevSecOps focus; CI/CD; Kubernetes/Docker; strong collaboration and communication.
Java, C/C++, Python, Unix Shell Scripting, Batch File, Windows Script File, SQL, Windows, Linux, Kubernetes, Docker, OpenShift
1mo
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Android Developer
Littleton, Colorado, United States
$90k-$160k/yr OnsiteFull Time
Sherpa 6: Develops engineering and technology solutions for tactical military operations.
5+ YOE5+ years Android development; Kotlin/Java; BS in Software Engineering or Computer Science; US citizenship with ability to obtain Secret clearance; strong Android tooling and REST/JSON experience.
Kotlin, Java, Android SDK, Android Studio, RESTful APIs, JSON, Git, JIRA, Trello
2w
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Software Engineer Level 2 or 3
Aurora or Boulder
$92k-$138k/yr OnsiteFull Time
2+ YOEBachelor's degree and 2+ years (level 2) or 5+ years (level 3) software engineering; active Top Secret/SCI clearance; strong Java; TypeScript; Git; Agile.
Java, TypeScript, React, Git, JUnit, TestNG, RabbitMQ, Elasticsearch, Linux
1mo
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Lead Platform Data Engineer
Carmel or Golden
$131k-$205k/yr OnsiteFull Time
7+ YOE2+ MgmtSeven-plus years in data engineering with at least two years in a lead or staff capacity; strong data modeling, SQL, Python/Go/Java, dbt, and cloud data platforms.
Snowflake, Databricks, BigQuery, SQL, Python, Go, Java, dbt, Airflow, Terraform, CloudFormation, AWS, Azure, GCP, OpenAPI, AsyncAPI, Data Contracts
2mo
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Senior Lead Software Engineer
Lakewood, Colorado, United States
$95k-$130k/yr OnsiteFull Time
10+ YOELead software engineering with 10+ years of experience, strong design, mentoring, and expertise in PHP, JavaScript/NodeJS, AWS, MySQL, Java/Kotlin, Objective-C/Swift, Docker, Apache, OpenAPI, and Harness.
PHP, JavaScript, AWS, MySQL, Java, Kotlin, Objective-C, Swift, Docker, Apache, OpenAPI, Harness
1d
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Software Engineer Sr
Boulder or King of Prussia
OnsiteFull Time
3+ YOE3+ years software development experience in Agile; proficiency in Java, C++, or C#; experience with Docker/Kubernetes; ability to obtain/hold a Secret security clearance.
Docker, Kubernetes, Java, C#, C++, Agile, CI/CD
1w
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Full Stack Software Engineer - Agent Platform
Atlanta or Boulder
$130k-$196k/yr RemoteFull Time
5+ YOE5+ years software engineering; 2+ years backend (Java Spring Boot/Go/Python); 2+ years React/TypeScript; 2+ years cloud or Kubernetes; Bachelor's in CS or related
Java, Spring Boot, Go, Python, React, TypeScript, Kubernetes, Docker
1mo
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Software Engineer Lead
Denver or Lakewood
$63k-$159k/yr OnsiteFull Time
3+ YOELead software engineer with design, development, and mentorship; strong SDLC, collaboration, and technical guidance.
Java, C#, .NET, SQL, REST, CI/CD, AWS
1mo
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Senior Software / Applications Developer
Denver or Lakewood
$106k-$130k/yr RemoteFull Time
5+ YOESenior-level software development for federal systems; PHP, ColdFusion, Java, SQL; API integrations; Agile DevSecOps; cloud migration; DO I security.
PHP, ColdFusion, Java, SQL, MuleSoft, Oracle, RHEL, AWS GovCloud, Git
4h
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Full Stack Engineer, Senior
Oakland or Seattle or WA or OH or CA or Long Beach or AZ or CO or CT or FL or GA or MD or MN or NV or OR or El Dorado Hills or Lodi or Rancho Cordova or Redding or San Diego or Woodland Hills or AL or IL or VA or WI or TX or NY
$103k-$174k/yr HybridFull Time
5+ YOE5+ years full stack development; BA/BS or equivalent IT experience; React/Vue/Angular; .NET/Java/Node.js/Python APIs; SQL/NoSQL; Azure preferred; Docker; IaC; CI/CD; AI tools; healthcare experience preferred.
React, Vue, Angular, JavaScript, TypeScript, .NET, Java, Node.js, Python, MS SQL Server, Oracle, NoSQL, REST, Azure, AWS, GCP, Docker, Kubernetes, Ansible, Bicep, ARM, Terraform, GitHub, GitLab, Bitbucket, Git
1mo
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Android Mobile App Developer
Arvada, Colorado, United States
$30-$75/hr OnsiteContract
Contract Android developer with Java/Kotlin experience, Android UI, AWS integration, GitHub, security best practices, and debugging.
Android, Java, Kotlin, AWS, GitHub, Push Notifications, Security Best Practices
1mo
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Applications Developer II
Phoenix or Loveland or Lakewood or Folsom
$85k-$88k/yr OnsiteFull Time
3+ YOEBachelor’s degree in Computer Science or Information Technology; 3–7 years in application development; Java, SQL, SpringBoot, front-end (Kendo UI or similar); Oracle and PostgreSQL; OAuth2 security; AWS cloud experience; on-call support.
Java, SQL, Kendo UI, SpringBoot, Oracle, PostgreSQL, OAuth2, AWS
4d
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Principal Software Engineer
Boulder or New York City
$200k-$240k/yr HybridFull Time
10+ YOE10+ years software engineering; 5+ years adtech infrastructure; backend focus; experience with AI tooling; distributed systems; OpenRTB knowledge.
Java, Kafka, Redpanda, AWS, Databricks, Datadog, ONYX
2mo
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Oracle Fusion Middleware Developer-SCON
Washington or Lakewood
$100k-$203k/yr RemoteFull Time
Accenture Federal Services: Delivering technology and consulting solutions to federal government agencies.
Senior-level Oracle Fusion Middleware experience with WebLogic, SOA, BPM, WebCenter, ADF; strong Java/J2EE, XML, integration patterns; Linux/Unix; deployment automation; cloud/hybrid architectures.
Oracle WebLogic Server, Oracle SOA Suite, Oracle BPM Suite, Oracle WebCenter Suite, Oracle ADF, OAM, OUD, IdM, WLST, ANT, Maven, Git, Linux/Unix, Java, XML, XSD, XSLT, SOAP, REST
3w
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Software Engineer
Boulder, Colorado, United States
$120k-$145k/yr OnsiteFull Time
3+ YOEUS citizenship; Bachelor’s in computer science; 3+ years in software development, with OPIR domain experience; eligibility for Secret clearance.
Typescript, Python, Java, DevSecOps
2mo
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Advisory Software Engineer
Boulder, Colorado, United States
$93k-$110k/yr OnsiteFull Time
5+ YOEMS in CS/CE/EE or related field; 5+ years in software development; strong C/C++, Rust, Python; Linux IPC; AI/ML experience; Agile; travel up to 10%
C++, Rust, Python, Git, CI/CD, SQL, Java, JavaScript, AWS, Django, ReactJS, Linux
1w
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Front End Engineer II - Reporting
Boulder, Colorado, United States
$103k-$170k/yr HybridFull Time
2+ YOE2-4 years software development; proficient in React and JavaScript/TypeScript; experience building enterprise services; BS/MS in CS or related field or equivalent experience
React, JavaScript, TypeScript, C#, Java, NodeJS, SQL
1mo
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Technical Lead - Software Developer, Data Foundry
San Francisco or San Diego or Boston or Louisville or Indianapolis
$152k-$244k/yr OnsiteFull Time
5+ YOE5–10+ years scientific software development; Python and another language; REST APIs, data pipelines, microservices; experience with scientific datasets.
Python, Java, C#, Go, TypeScript, Rust, SQL, REST APIs, Microservices, MLflow, Weights & Biases, Docker, Kubernetes, AWS, Azure, GCP, Prefect, Airflow, Nextflow, Postgres, Redshift, Snowflake, BigQuery, LIMS, ELN, Benchling, RDKit, Schrödinger, MOE, Git, Linux, Bash
1w
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Software Engineering Technical Leader
Boulder or Austin or Atlanta
$149k-$219k/yr RemoteFull Time
6+ YOEBachelor’s with 7+ years (or Master’s with 6 years; PhD with 3 years) in software engineering; strong experience in distributed systems, cloud-native services, and data processing; proficiency in Go, Java, or C/C++, plus Kafka, Kubernetes, OpenTelemetry; leadership and cross-team collaboration.
Go, Java, C/C++, Kafka, Kubernetes, OpenTelemetry, Linux
1mo
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Post-Doctoral Fellow, Intelligence and Computing Lab
Golden, Colorado, United States
$60k/yr OnsiteFull Time
PhD in electrical engineering or closely related field by June 1, 2026; expertise in power system simulation or resilience, physics-informed ML, or geospatial data-driven modeling; strong publication record; programming in Python/Java; ML and geospatial data processing experience.
Python, Java, OpenDSS, GridLAB-D, PandaPower, InterPSS, PyTorch, TensorFlow
1w
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Technical Architect (9825)
Boulder, Colorado, United States
$226k/yr HybridFull Time
8+ YOEBachelor’s degree or Master’s in CS/IT/Engineering with 6–8 years in software engineering/product development; experience with large-scale enterprise software; willing to relocate to Boulder, CO; telecommuting with manager approval.
Software Architecture, Enterprise Software, Service Oriented Architecture, Java, C++, Cloud
HiringCafe market data
Java Engineer Jobs market signals in Keystone, CO, US
These signals come from live HiringCafe job inventory, not a static article. Use them to compare the market, then open listings above to apply directly.
Open jobs
53
Hiring companies
23
Fresh sample
60% new in 30d
Salary visibility
95% show pay
Companies appearing in this market
BAE SystemsGoogleSherpa 6WorkdayLockheed MartinAllegionRicohThe Trade Desk
Work location mix in visible results
Onsite: 26Hybrid: 12Remote: 4