288 senior java python developer jobs at 114 companies in Colorado

1mo
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Senior Software Engineer, Java - Content Team
California or Colorado or Connecticut or Florida or Georgia or Illinois or Kansas or Massachusetts or Maryland or Maine or New Jersey or North Carolina or New York or Oregon or Tennessee or Texas or Virginia or Washington or Austin or Tampa
$160k-$200k/yr HybridFull Time
NinjaOne
NinjaOne: Unified IT platform for automated endpoint management and security.
10+ YOE10+ years Java development, strong Kotlin expertise, 4+ years building scalable systems, OOP/design skills, API/REST and relational DB experience, Redis and caching knowledge, Python familiarity, and experience leveraging AI tooling.
Java, Kotlin, Python, C++, Golang, Postgres, AWS, Redis, Jersey, Spring
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
3w
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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
2mo
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Senior Application Developer
Aurora, Colorado, United States
$85k-$95k/yr HybridFull Time
University of Colorado
University of Colorado: Public research university providing higher education and healthcare services.
2+ YOESenior developer for identity and access management; design, develop, and support secure, multi‑system web apps with identity/authentication integrations.
ASP.NET, NodeJS, MVC, TypeScript, Angular, Vue, React, MySQL, Oracle, MSSQL Server, Java, Python, Ruby, C#
2mo
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Senior Ground Software Engineer, Space
Colorado Springs or Costa Mesa
$165k-$218k/yr OnsiteFull Time
Anduril Industries
Anduril Industries: Defense technology building autonomous military hardware and software.
8+ YOESenior software engineer with 8+ years in languages like Java, Python, C++, Rust; Space C2 experience; clearance eligibility; strong communication.
Go, Rust, C++, Kubernetes, OpenShift, Helm, Python, Java, JavaScript
2w
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Software Engineer: Full Stack - Python, Java or JavaScript/TypeScript (TS/SCI Clearance Required)
Alexandria or Chantilly or Englewood or Gaithersburg or Saint Louis or Tucson
OnsiteFull Time
North Point Technology
North Point Technology: Technology services and engineering for federal government missions.
Active TS/SCI clearance with polygraph ability, Bachelor's in CS or related, proficiency in Python/Java/JavaScript/TypeScript, cloud (AWS/Azure), containers, CI/CD, databases, and secure coding practices.
Python, Java, JavaScript, TypeScript, HTML, CSS, JSON, AJAX, REST APIs, React, Angular, Vue.js, Node.js, Spring Boot, Django, Flask, AWS, Azure, MySQL, PostgreSQL, SQL Server, Linux, Windows, Git, GitLab CI, Jenkins, JIRA, Confluence, Docker, Kubernetes, RMF, STIGs, Go, OpenSearch, Elasticsearch, S3, EC2, SQS, SNS, RDS, CloudFormation, Terraform, Ansible, GeoServer, PostGIS, OGC APIs, ESRI ArcGIS
1mo
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Senior Software Engineer
Colorado Springs, Colorado, United States
$120k-$160k/yr OnsiteFull Time
SAIC
SAICNYSE: SAIC: Provides engineering, IT, and mission support services to government.
5+ YOEBachelor's degree and 5+ years' experience, active Secret clearance, experience with C/C++, Java, Python, FORTRAN, and Agile development; ability to develop, test, and deploy software for radar systems.
C/C++, Java, Python, FORTRAN, Agile
2w
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Senior Software Engineer
Colorado Springs, Colorado, United States
HybridFull Time
SAIC
SAICNASDAQ: SAIC: Provides government and defense clients with technology and engineering services.
5+ YOEBachelor's degree with 5+ years' experience, active Secret clearance, experience with C/C++, Java, Python, FORTRAN, and Agile development; real-time embedded and leadership experience desired.
C/C++, Java, Python, FORTRAN
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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
2w
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Senior Software Engineer
Colorado Springs or Beavercreek Township
$116k-$174k/yr OnsiteFull Time
KBR
KBRNYSE: KBR: Provides engineering, technology, and professional services for global markets.
5+ YOEActive U.S. Top Secret/SCI clearance,5+ years software development,4+ years Java or Python,experience with distributed/high-throughput systems,BS in a technical field,mentoring and architecture experience.
Java, Python, MIL-STD-6016, MIL-STD-3011, TDD, CI/CD
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
1mo
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Senior Integration Engineer
Colorado Springs or Alabama or Arizona or California or Colorado or District of Columbia or Florida or Georgia or Hawaii or Illinois or Indiana or Kansas or Massachusetts or Maryland or Michigan or Minnesota or Missouri or Montana or North Carolina or New Jersey or New Mexico or Nevada or New York or Ohio or Oklahoma or Oregon or Rhode Island or Tennessee or Texas or Utah or Virginia or Washington or Wisconsin or West Virginia or United Kingdom or United States
$160k-$220k/yr RemoteFull Time
Slingshot Aerospace
Slingshot Aerospace: Software and data analytics for space operations management.
7+ YOE7+ years software development, 3+ years tech lead experience, bachelor’s in CS/engineering, experience with Java/Kotlin, Python, GraphQL, REST, Docker, React, TypeScript, cloud (Azure/AWS), Kubernetes, Git/GitHub Actions, Kafka; active TS/SCI clearance; travel up to 10%.
Java, Kotlin, Python, GraphQL, REST, Docker, React, TypeScript, Azure, AWS, Kubernetes, Git, GitHub Actions, Kafka, CloudEvents, PostgreSQL, MongoDB, Neo4j, Three.js, HLA, DIS
1mo
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Senior Software Engineer (Big Data)
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 software development in distributed environments; proficient in Scala/Python/Java, Apache Spark, Hadoop/Hive, SQL, and AWS; Databricks and ML experience preferred; BA/BS in Computer Science.
Python, Apache Spark, Scala, Java, Hadoop, Hive, AWS, Databricks, Delta Lake, Unity Catalog, Kubernetes, Docker, Airflow, SQL, Git, ELK stack, Elasticsearch, Logstash, Kibana
1mo
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Senior Software Engineer Test
California or New Jersey or New York or Washington or Hawaii or Alaska or Maryland or Connecticut or Rhode Island or Massachusetts or Nevada or Oregon or Arizona or Colorado or Wyoming or Texas or North Dakota or Minnesota or Missouri or Illinois or Wisconsin or Florida or Georgia or Michigan or Ohio or Virginia or Pennsylvania or Delaware or Vermont or New Hampshire or Maine or Utah or Idaho or Montana or New Mexico or South Dakota or Nebraska or Kansas or Oklahoma or Iowa or Arkansas or Louisiana or Mississippi or Alabama or Tennessee or Kentucky or Indiana or South Carolina or North Carolina or West Virginia or United States
$94k-$179k/yr RemoteFull Time
Mercury Insurance
Mercury InsuranceNYSE: MCY: Provider of personal and commercial insurance coverage.
5+ YOEBachelor's in CS or related (or equivalent experience), 5+ years industry experience, 3+ years Java/Python and automation/framework development, CI/CD, containerization, cloud, performance and API testing experience.
Jenkins, GitHub, JMeter, LoadRunner, Selenium, TestNG, JUnit, Appium, Docker, Kubernetes, AWS, Google Cloud, Azure, Postman, SoapUI, Curl, Insomnia, Java, Python, JavaScript
3mo
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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
Ascendiun
Ascendiun: Nonprofit parent overseeing health insurance and clinical service organizations.
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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Senior Software Engineer
Westminster, Colorado, United States
$89k-$165k/yr OnsiteFull Time
Publicis Groupe
Publicis GroupeEuronext Paris: PUB: Global advertising and digital transformation agency holding.
5+ YOE5+ years building scalable, distributed data solutions; proficient in Scala/Python/Java, Apache Spark, Databricks, AWS, SQL; experience with Hadoop/Hive, containerization, Airflow/MWAA, Git; BA/BS in CS or related.
Python, Apache Spark, Databricks, Scala, Java, Hadoop, Hive, AWS, Kubernetes, Docker, MWAA, Airflow, Git, SQL, Delta Lake, Unity Catalog, Databricks Notebooks, Databricks Jobs, Databricks Pipelines
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Senior Software Engineer
Colorado Springs, Colorado, United States
$120k-$185k/yr OnsiteFull Time
GXM Technologies
GXM Technologies: Delivering rapid software solutions and innovation for defense organizations.
8+ YOEU.S. citizen with active TS/SCI clearance, Bachelor's in CS/SE/IS/Engineering, 8+ years software engineering experience, RESTful APIs, microservices, cloud-native, Java/Python/C#/JavaScript, Agile/DevSecOps experience.
Java, Python, C#, JavaScript, Kubernetes, RESTful APIs
2mo
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Senior Site Reliability Engineer
Denver, Colorado, United States
$160k-$200k/yr HybridFull Time
Kharon
Kharon: A leading risk analytics providing sanctions compliance and trade controls solutions.
7+ YOE7+ years in infrastructure/DevOps/SRE; AWS, Kubernetes, Terraform; CI/CD with GitHub Actions; Python or Java; observability; security and networking knowledge.
AWS, Kubernetes, Terraform, GitHub Actions, Helm, ArgoCD, Datadog, Prometheus, Python, Java, Cloudflare, Cloudsmith
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
2w
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Senior Backend Engineer - MapMyFitness
Colorado, United States
$120k-$180k/yr RemoteFull Time
Outside Interactive
Outside Interactive: Provides digital content and software for outdoor lifestyle enthusiasts.
7+ YOE7+ years backend experience, proficiency with Claude Code, Python, Java; experience with AWS, Kubernetes, RDS/MySQL, Django, Kafka; strong communication and independent work in remote settings.
Claude Code, Python, Java, Scala, AWS, Kubernetes, RDS/MySQL, Django, Kafka