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Senior Java Developer Jobs in Wellington, CO, US
55 senior java developer jobs from 21 companies hiring in Wellington, CO, US.
2w
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Senior Software Engineer
Longmont, Colorado, United States
$115k-$145k/yr OnsiteFull Time
5+ YOE5+ years of professional software development; automation testing frameworks; Java, Python, JavaScript/TypeScript, or C#; backend services/APIs; CI/CD; AI-assisted tools.
Playwright, Cypress, Selenium, pytest, REST-assured, Criterion, Java, Python, JavaScript/TypeScript, C#, Copilot, Claude
2mo
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Senior Cloud Developer - Virtualization
Fort Collins or Spring or Andover
$144k-$273k/yr HybridFull Time
7+ YOESenior cloud developer with 7-10 years of experience in cloud architectures and microservices; proficient in Python, Java, Golang, or JavaScript; Kubernetes experience.
Python, Java, Golang, JavaScript, Kubernetes, Docker, Microservices, Cloud-native
2mo
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HPE Morpheus Software - Senior Software Engineer
Fort Collins or Houston or Durham
$144k-$273k/yr HybridFull Time
8+ YOE8+ years experience in backend software development with Java/Python/Groovy/Ruby, Linux, REST APIs, cloud, CI/CD, virtualization, ITSM; strong design, documentation, and collaboration skills.
Java, Groovy, Ruby, Python, Linux, REST, SQL, NoSQL, CI/CD, Maven, Gradle, Git, AWS, Azure, GCP, VMware
2w
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Senior Staff Software Engineer, Front End, Google Workspace
Boulder or New York
$262k-$365k/yr OnsiteFull Time
8+ YOEBachelor's degree or equivalent; 8 yrs software development; 7 yrs frontend (JavaScript/TypeScript, Java, Kotlin); 5 yrs design/architecture; experience with frontend frameworks, full-stack or API development.
JavaScript, TypeScript, Java, Kotlin, Frontend frameworks, API development, Full-stack development
2mo
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HPE Morpheus Software - Senior Software Engineer
Ft. Collins or Houston or Durham
$137k-$315k/yr HybridFull Time
8+ YOEBackend-focused software engineer with strong Java/Python/Linux experience; RESTful APIs, CI/CD, cloud knowledge; 8+ years, Bachelor’s in CS/Engineering.
Java, Python, Groovy, Ruby, Linux, RESTful APIs, SQL, NoSQL, Maven, Gradle, Git, CI/CD, AWS, Azure, Google Cloud
2mo
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Sr Software Engineer
Norcross or Omaha
HybridFull Time
5+ YOE5-8 years in software development; proven leadership; payments/regulated industry preferred.
Java, J2EE, Python, Spring Boot, REST API, PostgreSQL, Oracle, CI/CD (Jenkins, Azure Pipelines), Docker, Kubernetes, AWS, Prometheus, Grafana, RabbitMQ, Angular, Confluence, Azure DevOps, Claude, Microsoft Copilot
5d
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Senior Network Engineer
Cheyenne, Wyoming, United States
$96k-$138k/yr OnsiteFull Time
5+ YOE5+ years of network engineering; BA/BS in technical field; Cisco/Firewall routing experience; scripting; infrastructure automation; US person; on-call duties.
Cisco, Tipping Point, Palo Alto, EIGRP, BGP, OSPF, Python, GoLang, Java, SALT, Chef, Puppet, Ansible
3w
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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
3w
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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
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++
1w
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Sr Software Engineer
Lafayette, Colorado, United States
$125k-$187k/yr OnsiteFull Time
4+ YOEBachelor's in CS or engineering; 4+ years of software development; 4+ years with C++; embedded programming; OOA&D concepts; strong software practices; Agile experience.
C++, Python, Rust, Java, Git, GNU/Linux, Scrum, Scaled Agile Framework, Test Driven Development
4w
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Staff Software Reliability Engineer (Longmont, CO, US)
Longmont or Shakopee
$106k-$154k/yr OnsiteFull Time
6+ YOEBS in CS/engineering; 6+ years in collaborative development; strong C/C++ and Python; Linux OS/Kernel and HBA driver/firmware; CI/CD; storage (HDD/SSD) knowledge; JIRA tools; experience with CI/CD environments; familiarity with NVMe, SATA/SAS; Java/JavaScript helpful.
C, C++, Python, Linux, JIRA, Fisheye, Bamboo, Bitbucket, CI/CD, NVMe, SATA, SAS, Java, JavaScript
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
1mo
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Senior Software Architect
Boulder, Colorado, United States
$150k-$200k/yr OnsiteFull Time
Bachelor's degree in CS or related field; proven software architect with experience designing complex systems; strong software architecture knowledge; proficient in C, C++, Java, Python; Linux (Ubuntu); cloud (GCP, AWS, Azure); UI/UX and API integration; cybersecurity awareness.
C, C++, Java, Python, Ubuntu Linux, Google Cloud, AWS, Azure, UI/UX, APIs
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
3w
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Lead Firmware Engineer (C++ Embedded) (Fort Collins, CO, US, 80525)
Fort Collins, Colorado, United States
$130k-$175k/yr OnsiteFull Time
8+ YOE8+ years embedded software engineering; C/C++, MCU (ARM); I2C/SPI/PCIe/Ethernet/USB; scripting (Python/Java/NodeJS/Perl) experience; hardware interfacing; leadership skills.
C, C++, Embedded Systems, Python, Java, NodeJS, Perl, I2C, SPI, PCIe, Ethernet, USB, DDR3/4, ARM
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
5d
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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
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
1mo
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Staff Engineer - AI
Fort Collins, Colorado, United States
$152k-$225k/yr HybridFull Time
BillGO: Digital bill payment network for businesses and consumers.
10+ YOE10+ years software engineering; proven AI/ML in production; payments/fintech experience a plus; strong backend, distributed systems, cloud, CI/CD, containers; leadership in AI initiatives.
Java, C#, Python, AWS, Azure, Docker, Kubernetes, CI/CD
1d
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Software Architect
Providence or Boulder or Providence or Phoenix
$145k-$190k/yr HybridFull Time
7+ YOESenior-level software architect with 7+ years in building complex production systems; strong data/AI integration; leadership and mentoring experience.
Python, Java, TypeScript, Go
2w
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Software Architect/Lead Level 5
Aurora or Boulder
$177k-$266k/yr OnsiteFull Time
12+ YOEBachelor's degree in Science with 12+ years or Master's with 10+ years; active Top Secret/SCI clearance; experience with DDD, EDA, REST/gRPC, Kafka/RabbitMQ, API gateways, UML/SysML, Java; hardware interfacing; Git; Agile; leadership.
Java, API design, RESTful, gRPC, Kafka, RabbitMQ, Git, Domain-Driven Design, Event-Driven Architecture, UML, SysML, Kubernetes, Docker, Linux, Maven, Gradle, JUnit, TestNG, React, TypeScript
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
2mo
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Mobile Engineering Manager
Culver City or Linthicum or Allen or Chicago or Orlando or Baton Rouge or Phoenix or Waltham or Harrisburg or Knoxville or Richmond or West Valley City or San Diego or Indianapolis or Lexington or Parma or Little Rock or Asheville or Birmingham or Chantilly or Brooklyn or Washington or Fort Collins or San Mateo or Schaumburg or Atlanta
$180k-$220k/yr OnsiteFull Time
7+ YOE2+ Mgmt7+ years mobile development; 2+ years leading a team; US work authorization; employer sponsorship not provided.
Swift, Objective-C, Kotlin, Java, React Native, CI/CD, cloud technologies, RESTful APIs, relational databases
1mo
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Software Systems Integrator
Boulder or Longmont
OnsiteFull Time
12+ YOETop Secret clearance required; active TS clearance; 12+ years experience; BS degree; proficient in C/C++, Python, or Java; CI/CD experience; software architecture; embedded/high-performance apps; familiarity with Git/Perforce/ClearCase; agile practices; system integration/testing.
C/C++, Python, Java, APIs, middleware, RTOS, CI/CD tools, Jenkins, GitLab CI, Azure DevOps, Git, Perforce, ClearCase, requirement traceability
2w
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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
4w
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Manager, Software Engineering (Loveland, CO, US, 80538)
Loveland, Colorado, United States
$207k/yr RemoteFull Time
5+ YOE4+ MgmtLead a software engineering team; build cloud-native data services; mentor engineers; drive Agile practices.
TypeScript, Python, REST APIs, Java, DOTNET, JavaScript, NodeJS, AWS, Azure, GCP
HiringCafe market data
Senior Java Developer Jobs market signals in Wellington, 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
55
Hiring companies
21
Fresh sample
63% new in 30d
Salary visibility
95% show pay
Companies appearing in this market
Hewlett Packard EnterpriseGoogleWorkdayBAE SystemsEchoStarACI WorldwideAdvanced EnergyAgiliad
Work location mix in visible results
Hybrid: 23Onsite: 17Remote: 3