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302 junior python developer jobs at 100 companies in Castle Rock, CO

PromotedHiringCafe
Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Own the crawlers, pipelines, and infrastructure powering a real-time job search engine. Strong Node.js and Python fundamentals; bonus points for security and reverse-engineering chops.
Node.js, Python, Elasticsearch, Redis
Help us #BeatIndeed & #BeatLinkedIn
PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).
React, Next.js, TypeScript, Firebase, Elasticsearch, Redis, Stripe
Help us #BeatIndeed & #BeatLinkedIn
6d
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Junior Application Developer
Denver or Springfield or Sterling or St. Louis
$53k-$106k/yr OnsiteFull Time
CACI International
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
0+ YOEBachelor's or equivalent, 0–3 years development experience, experience with Java and/or Python, familiarity with web apps and relational databases, TS/SCI clearance with polygraph required.
Java, Python, ArcGIS, GeoServer, OpenLayers, Cesium, Git, CI/CD, containerization
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3w
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Junior Software Engineer
Warrenton or State College or Fort Eisenhower or Centennial
$95k-$140k/yr OnsiteFull Time
Altamira Technologies
Altamira TechnologiesNYSE: PSN: Provides data analytics and engineering for national security missions.
Bachelor's in CS/CE/EE required. Strong Java and JavaScript/TypeScript skills required. Experience with full-stack technologies (Python, Angular, React, Elasticsearch, containers, Kubernetes) preferred. Top Secret clearance required.
Java, Python, JavaScript, TypeScript, Angular, React, Elasticsearch, ELK Stack, Redis, REST, Docker, LXC, Kubernetes, Helm, Machine Learning, Data Analytics, Android, NoSQL, SQL, Xmidas
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1w
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Junior Software Engineer
Colorado Springs or Beavercreek
$77k-$115k/yr OnsiteFull Time
KBR
KBRNYSE: KBR: Provides engineering, technology, and professional services for global markets.
0+ YOEActive Top Secret/SCI clearance, bachelor’s degree in a technical field, 0–2 years relevant experience, knowledge of OOP, Java or Python experience, familiarity with version control, strong communication and problem-solving skills.
Java, Python, XML, JSON, Protocol Buffers
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6d
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Junior Application Developer
Denver or St. Louis or Sterling or Springfield
$53k-$106k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provides information technology and professional services to government clients.
0+ YOEBachelor's (or equivalent),0–3 years software development experience,Java and/or Python,web development and relational DB familiarity,TS/SCI clearance with polygraph,teamwork and problem-solving skills.
Java, Python, ArcGIS, GeoServer, OpenLayers, Cesium, Git, CI/CD
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1w
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Junior Front-End Developer
Westminster, Colorado, United States
$88k-$155k/yr OnsiteFull Time
Parsons
ParsonsNYSE: PSN: Provides engineering and technology services for infrastructure and defense.
2+ YOEBachelor's or equivalent, 2+ years related experience, working knowledge of Python and JavaScript, familiarity with PyQT/ReactJS/Dash/Streamlit, HTML/CSS, basic AI/ML concepts, and ability to work onsite in Denver.
Python, JavaScript, PyQT, ReactJS, Dash, Streamlit, HTML, CSS, Git, Azure Machine Learning, Roboflow
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3w
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Junior Data Engineer
Boulder, Colorado, United States
$90k-$120k/yr OnsiteFull Time
Alta Resource Technologies
Alta Resource Technologies: Uses synthetic biology to extract and refine critical minerals.
1+ YOEBachelor's degree or equivalent experience, 1+ years industry experience, proficiency in Python and SQL, experience with data pipelines and ETL, familiarity with cloud platforms (AWS/S3) and data governance (FAIR). US citizenship required.
Python, SQL, Nextflow, Apache Airflow, Prefect, AWS, S3, Spark, dbt, Great Expectations, Apache Kafka, Spark Streaming, Git, CI/CD, OpenMetadata, DataHub, Dublin Core
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1w
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Graduate Developer
Farmington Hills or Rosemont or Pennsylvania or Houston or Dallas or Golden
HybridFull Time
GHD
GHD: Global professional services firm specializing in engineering and architecture.
0+ YOEBachelor's degree required, 0-2 years developer experience, proficiency in JavaScript and Python, front- or back-end development, data visualization and manipulation skills.
Javascript, Python, Earth Volumetric Studio
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2mo
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Software Engineer
Aurora, Colorado, United States
$69k-$158k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
2+ YOE2+ years in software development; experience with Java, Python, Rust, or Go; microservices; TS/SCI clearance; bachelor's degree.
Java, Python, Rust, Go, Linux, Docker, Kubernetes, AWS, Azure, Google
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1mo
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Engineer, Development
Denver or Atlanta
HybridFull Time
KPMG
KPMG: Global professional services network providing audit, tax, and advisory.
1+ YOE1+ year software development experience; Bachelor's in computer science/engineering required (Master's preferred); experience with microservices, REST APIs, authentication, Python/.NET/C#/Angular/SQL and Azure; ML framework experience preferred.
Angular, TypeScript, Python, .NET Framework, C#, SQL, T SQL, Azure, Azure OpenAI, PyTorch, TensorFlow, scikit learn
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5d
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Software Engineer
Colorado Springs or Irvine or Longmont or Fremont or Rochester or San Jose
$111k-$148k/yr OnsiteFull Time
Western Digital
Western DigitalNASDAQ: WDC: Design and manufacture data storage devices and systems.
0+ YOEPursuing or recent Bachelor's/Master's in a technical field; experience with C/C++, Python, Java, Go, SQL, or JavaScript through coursework or internships; familiarity with software fundamentals, debugging, and development tools.
C, C++, Python, Java, Go (Golang), SQL, JavaScript, Microsoft Office, Git, Linux, IDEs
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2w
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Software Engineer II
Lone Tree or Sparks or Longmont or Hagerstown or Herndon or Englewood
$94k-$130k/yr HybridFull Time
Sierra Nevada Corporation
Sierra Nevada Corporation: Develops mission-critical aerospace and national security technology systems.
2+ YOEBachelor's in CS or related,2+ years software development experience,proficiency in C++,Java,Python,knowledge of engineering principles,ability to work in multidisciplinary teams.
C++, Java, Python, C, C#, HTML, Bash, RTOS, AI/ML
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1mo
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MODEL BASED SYSTEMS ENGINEER- JUNIOR (MBSE)
Beavercreek or Huntsville or Colorado Springs or Crestview or Tupelo
OnsiteFull Time
Sentry Construction
Sentry Construction: Provides general contracting and comprehensive property maintenance services.
Top-Secret clearance (SCI eligibility), BS in systems engineering/aerospace or related field, MBSE tool experience (Cameo, MagicDraw, Rhapsody, Enterprise Architect), SysML, and familiarity with Java/C++/Python preferred.
Cameo Systems Modeler, MagicDraw, IBM Rhapsody, Enterprise Architect, SysML, Java, C++, Python, DoD Architecture Framework (DoDAF), Unified Architecture Framework (UAF)
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2w
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Software Engineer
Colorado Springs or Boston
HybridFull Time
Odyssey Systems
Odyssey Systems: Provides engineering, integration, and technical services to defense clients.
1+ YOEUS citizen with active Secret clearance, B.S. in a STEM field, 1+ years software development experience; proficiency in TypeScript/Python/Java/C++/Rust/Julia, React, REST APIs, and writing tested, maintainable code.
TypeScript, Python, Java, C++, Rust, Julia, React, Cesium, Resium, Electron, MATLAB, NumPy, SciPy, GeoJSON, CZML, React Testing Library
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1mo
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Software Engineer
Westminster, Colorado, United States
$74k-$137k/yr HybridFull Time
Publicis Groupe
Publicis GroupeEuronext Paris: PUB: Global communications, advertising, and digital transformation holding.
1+ YOEBA/BS in CS, 1-3 years big-data/software development; proficient in Scala, Python, or Java; strong Apache Spark and Databricks experience preferred; AWS and modern data tooling (Kubernetes, Docker, Airflow) experience.
Scala, Python, Java, Databricks, Apache Spark, Hadoop, Hive, Kubernetes, Docker, MWAA, Airflow, AWS, Git, SQL, Delta Lake, Unity Catalog
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1mo
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Software Engineer
Westminster, Colorado, United States
$74k-$137k/yr OnsiteFull Time
Publicis Groupe
Publicis GroupeEuronext Paris: PUB: Global advertising and digital transformation agency holding.
1+ YOE1-3 years developing scalable, distributed data solutions using Scala/Python/Java and Apache Spark; Databricks and AWS experience preferred; SQL, Git, and data engineering best practices required; BA/BS in CS or related.
Scala, Python, Java, Apache Spark, Databricks, Delta Lake, Unity Catalog, Hadoop, Hive, AWS, Kubernetes, Docker, MWAA, Airflow, Git, SQL
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5d
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Engineer 3, Software Development & Engineering-5023
Englewood, Colorado, United States
$99k-$140k/yr HybridFull Time
Comcast
ComcastNASDAQ: CMCSA: Provides global telecommunications, media content, and entertainment services.
2+ YOEBachelor's in CS/Engineering,2 years software development experience with Python,Java,Spring/Spring Boot; AWS Lambda/SQS experience; EMR not mentioned; CI/CD with Maven/Jenkins; OSS like Cassandra or MongoDB; Tableau dashboarding.
Python, Java, Spring, Spring Boot, Docker, AWS API Gateway, AWS CloudWatch, Maven, Jenkins, UML, REST API, AWS Lambda, AWS SQS, ServiceNow, JIRA, Cassandra, MongoDB, Tableau
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1mo
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CNO Developer
Hanover or Aurora
$115k-$190k/yr OnsiteFull Time
ManTech
ManTech: Provides technology solutions for defense and intelligence agencies.
2+ YOEBS+4, MS+2, or HS+8 years technical experience; experience with Python or C/C++; troubleshooting and debugging; knowledge of networking and low-level system internals; active TS/SCI with polygraph required.
Python, C/C++, TCP/IP, JIRA, Confluence, Crucible
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1mo
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Ground Software Engineer
Littleton, Colorado, United States
$77k-$135k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
1+ YOEActive TS/SCI clearance, BS degree, 1+ years software engineering experience; strong software development background with Agile/DevSecOps practices and experience with Java, C#, Rust, Python, cloud/containerization, and distributed systems.
Java, C#, Rust, Angular, Python, Apache Kafka, Apache ActiveMQ, ELK Stack/OpenSearch, PostgreSQL, Redis, Helm, Kubernetes, Git, DevSecOps, CI/CD
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4d
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Software Engineer
Colorado Springs, Colorado, United States
$83k-$120k/yr OnsiteFull Time
ASRC Federal
ASRC Federal: Provides engineering and IT services to federal government agencies.
2+ YOEBachelor's in CS/Engineering/Mathematics,2+ years experience,ability to obtain Top Secret/SCI,proficiency in C,C#,Java,Perl,Python,EMPH product suite,EMR not mentioned
C, C#, Java, Perl, Python, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Jira, Bitbucket, Confluence, EPOCH Product Suite
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1w
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Algorithm Developer, Battlespace Awareness
Broomfield or Fort Collins
$111k-$147k/yr OnsiteFull Time
Anduril Industries
Anduril Industries: Defense technology building autonomous military hardware and software.
2+ YOEBachelor's in CS/Engineering/Math/Physics or equivalent, 2+ years relevant experience, strong C++ and Python skills, solid math foundation, software engineering fundamentals, ability to obtain Top Secret/SCI clearance.
C++, Python, MATLAB, Simulink, SQL, NoSQL, JavaScript, React, Node.js
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