📣 HiringCafe is hiring a Founding Growth Hacker! Learn More · Apply here
Java Software Engineer Jobs in Keystone, CO, US
34 java software engineer jobs from 19 companies hiring in Keystone, CO, US.
1w
Save
Mark Applied
Hide
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
1d
Save
Mark Applied
Hide
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
2w
Save
Mark Applied
Hide
Software Engineer, Platform UI
Boulder or Mountain View
$147k-$211k/yr OnsiteFull Time
2+ YOEBachelor's degree or equivalent; 2 yrs software development; 2 yrs infra; 2 yrs Java; 1 yr web development.
Java, Web development, UI development, Distributed systems
2w
Save
Mark Applied
Hide
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
3w
Save
Mark Applied
Hide
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
1mo
Save
Mark Applied
Hide
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
4d
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
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
1mo
Save
Mark Applied
Hide
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
2w
Save
Mark Applied
Hide
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++
3w
Save
Mark Applied
Hide
Principal Software Development Engineer (P5)
Boulder, Colorado, United States
$182k-$274k/yr HybridFull Time
12+ YOE5+ Mgmt12+ years backend software development, Java, RESTful APIs, SQL, CI/CD, leadership/architecture experience.
Java, REST, SQL, Kubernetes, Docker, CI/CD, Jenkins, TestRail, Python, Scala
2mo
Save
Mark Applied
Hide
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
2d
Save
Mark Applied
Hide
Lead Full Stack Software Engineer
Golden or Carmel
$154k-$205k/yr OnsiteFull Time
10+ YOE1+ Mgmt10+ years software development with 1-2 years leadership; expert in Java, React; Golang helpful; AWS cloud experience; strong architecture and CI/CD knowledge.
Java, React, Golang, AWS, CI/CD, Agile, Git
1mo
Save
Mark Applied
Hide
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
3w
Save
Mark Applied
Hide
Lead Sr Staff Software Engineer - Front End Fundamentals
Bellevue or Boulder or Chicago or Denver or Irvine or Los Angeles or New York or San Francisco or San Jose or Seattle or Ventura
$166k-$305k/yr HybridFull Time
13+ YOE1+ MgmtSenior frontend leadership role requiring 13+ years of software development, 1+ year of people management, strong TypeScript/JavaScript or other languages, cloud and distributed systems experience, and mentoring.
TypeScript, JavaScript, C#, Java, C, C++, Python, SQL, Scala
1mo
Save
Mark Applied
Hide
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
1w
Save
Mark Applied
Hide
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
2mo
Save
Mark Applied
Hide
Eng Sr - SW
Burlington or Bloomfield or McLean
$97k-$165k/yr OnsiteFull Time
4+ YOEBachelor’s in engineering or science with 4+ years, or advanced degree with 2+ years; strong coding and leadership; proficient in Java/C++/Rust; Git/Subversion, Agile, DevSecOps; Windows and Linux.
Java, C++, Rust, Git, Subversion, Agile, DevSecOps, Windows, Linux
1mo
Save
Mark Applied
Hide
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
2mo
Save
Mark Applied
Hide
Eng Sr - SW
Burlington or McLean or Bloomfield
$97k-$165k/yr HybridFull Time
4+ YOEBachelor’s in engineering/science with 4+ years of experience or advanced degree with 2+ years; strong coding; leadership of small team; experience with multiple systems; Windows and Linux development.
Java, C++, Rust, Git, Subversion, Agile Development, DevSecOps, Windows, Linux
1w
Save
Mark Applied
Hide
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 Software 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
34
Hiring companies
19
Fresh sample
61% new in 30d
Salary visibility
94% show pay
Companies appearing in this market
GoogleSherpa 6WorkdayBAE SystemsLockheed MartinThe Trade DeskAgiliadAION Robotics
Work location mix in visible results
Onsite: 22Hybrid: 8Remote: 3