157 senior java python developer jobs at 69 companies in Lakewood, CO

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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#
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
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
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
2mo
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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
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
3w
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Senior Application Developer
Denver or St. Louis or Sterling or Springfield
$75k-$158k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provides information technology and professional services to government clients.
8+ YOEBachelor's or equivalent,8+ years software development experience,expertise in Java and/or Python,REST APIs,relational and non-relational databases,CI/CD and Git,TS/SCI clearance with polygraph required.
Java, Python, ArcGIS, GeoServer, OpenLayers, Cesium, Kubernetes, AWS, Git, CI/CD
1mo
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Attune - Senior Software Engineer
Dallas or Denver or New York City or Omaha or United States
$139k-$170k/yr RemoteFull Time
Method Insurance
Method Insurance: Provides specialized workers' compensation insurance and risk management services.
5+ YOE5+ years professional software engineering experience; expert in JavaScript/TypeScript; experience with Python, Java, or Go preferred; strong CS fundamentals; experience with Git, CI/CD, Docker, Kubernetes, and cloud (AWS).
JavaScript, TypeScript, Python, Java, Go, Git, Docker, Kubernetes, Terraform, AWS, CI/CD
1w
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Senior R&D Software Engineer, Fivetran AI
Denver, Colorado, United States
$164k-$197k/yr HybridFull Time
Fivetran
Fivetran: Automates data movement into cloud data warehouses.
5+ YOE5+ years programming with Python and/or Java, experience with SQL and data warehouses, full-stack development, research-to-production prototyping, SRE/on-call responsibilities, and product-focused engineering.
Python, Java, SQL, dbt, Claude, ChatGPT, Gemini, vector databases, BigQuery, Snowflake, Databricks, MCP protocol, React, TypeScript, Postgres, Kubernetes, Docker, AWS, GCP
1mo
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Senior Software Developer
Reston or Denver or Philadelphia
$120k-$160k/yr HybridFull Time
Iridium
IridiumNASDAQ: IRDM: Provides global voice and data satellite communication services.
8+ YOEBachelor's in CS or related, 8+ years software development experience, active Top-Secret/SCI clearance (recently active), proficiency in Python and Java, Linux/Bash, RESTful APIs, databases (PostgreSQL/MongoDB), CI/CD and containerization, strong communication and systems-level experience.
Python, Java, Bash, ELK stack (Elasticsearch, Logstash, Kibana), Elasticsearch, Logstash, Kibana, PostgreSQL, MongoDB, Kubernetes, Docker, Podman, ArgoCD, GitLab, JFrog Artifactory, Bitbucket, C++, TypeScript, Perl, XML, JSON, SQL, js, Apache Web Server, Jira, Confluence, Crucible, Git, Amazon Web Services (AWS), GovCloud, Atlassian
2mo
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Senior Software Engineer II of Trading
New York City or Denver or San Francisco
$174k-$210k/yr HybridFull Time
Forge Global
Forge GlobalNYSE: FRGE: Marketplace for trading private shares and pre-IPO stock.
5+ YOE5–8 years software engineering; 5+ years in compiled languages (TypeScript, C#, Java); 2+ years scripting (Python, JavaScript, Ruby); real-time data processing; strong SQL (PostgreSQL/MySQL); CI/CD; cloud platforms (AWS/Azure/GCP); Private Markets/Financial Services experience.
TypeScript, C#, Java, Python, JavaScript, Ruby, WebSockets, Kafka, PostgreSQL, MySQL, CI/CD, Git, GitHub, JIRA, AWS, Azure, GCP
1mo
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Senior Software Engineer
Denver or United States
$120k-$160k/yr HybridFull Time
DHI Group
DHI GroupNYSE: DHX: Operates specialized career marketplaces and talent acquisition software platforms.
Experience building production-grade applications with Node.js and TypeScript, REST/GraphQL services, React/Next.js, AWS and container deployments; automated testing and AI-native workflows; senior technical leadership and mentoring.
Node.js, TypeScript, RESTful, GraphQL, React, Next.js, AWS, Docker, Fargate, Kubernetes, Playwright, LiteLLM, Python, Java, PostgreSQL, SNS, SQS, Lambda
1mo
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Palantir Forward Deployed Senior Engineer
Chicago or Milwaukee or Dallas or Columbus or Kirkland or Cincinnati or New York City or Cleveland or Oklahoma City or Austin or Albany or St. Petersburg or Hartford or Pittsburgh or St. Louis or Miami or Sacramento or Raleigh or Minneapolis or Mountain View or Scottsdale or San Francisco or Morristown or Denver or Boston or Philadelphia or Des Moines or Overland Park or Los Angeles or Charlotte or Walnut Creek or Carmel or Seattle or Houston or Arlington or Atlanta or Redmond or Bentonville or Beaverton or Nashville or Detroit or San Diego
$80k-$305k/yr HybridFull Time
Accenture
AccentureNYSE: ACN: Global provider of management consulting and technology services.
5+ YOE5+ years data engineering; 3+ years Palantir Foundry/Gotham/AIP experience; 5+ years cloud (AWS/Azure/GCP); 5+ years Python/PySpark/Java; Bachelor’s in CS/Engineering or equivalent; strong client-facing and communication skills.
Palantir Foundry, Palantir Gotham, Palantir AIP, Python, PySpark, Java, TypeScript, AWS, Azure, GCP, Git, GitHub, GitLab, Jenkins
1mo
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Software Engineer III
Lone Tree or Englewood
$108k-$149k/yr HybridFull Time
Sierra Nevada Corporation
Sierra Nevada Corporation: Develops mission-critical aerospace and national security technology systems.
6+ YOEBachelor's in CS or related, 6+ years software development, advanced proficiency in C++, Java, or Python, engineering principles, agentic coding tools, and experience on multi-disciplinary teams.
C++, Java, Python, C, C#, HTML, Bash, agentic coding tools
1mo
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Senior Platform Engineer, AI
Denver or Long Beach
$170k-$275k/yr HybridFull Time
True Anomaly
True Anomaly: Develops autonomous spacecraft and software for space security missions.
5+ YOE5+ years software/cloud/DevOps experience; production development in Python/TypeScript/Java; experience with LLM APIs, prompt engineering, RAG, agent frameworks, API integrations; ability to obtain Top-Secret clearance and U.S. citizenship or equivalent status.
Python, TypeScript, Java, CrewAI, Pydantic AI, API, webhooks, MCP, Retrieval-Augmented Generation (RAG), AWS, Azure, GCP, AWS GovCloud, Azure Government, FedRAMP, NIST 800-53, IL4, IL5
1mo
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Senior Data Engineer
United States or Denver or London or Amsterdam or North America or Europe
$145k-$160k/yr RemoteFull Time
SRS Acquiom
SRS Acquiom: Provides technology and services for M&A and loan transactions.
6+ YOE6+ years experience with SQL and relational databases, experience with AWS data services and building data platforms, proficiency in Java/JavaScript/Python, strong communication and security/compliance awareness.
SQL, PostgreSQL, MySQL, PL/pgSQL, S3, RDS, Managed Streaming Kafka, Lake Formation, Glue, Glue Data Catalog, Athena, Quicksight, DataZone, Java, JavaScript, Python, Docker, Kubernetes, CI/CD, Terraform, NetSuite, Salesforce, Workday, Pendo, Grafana, Kibana, Elasticsearch, Open Telemetry, Boomi