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134 junior java developer jobs at 58 companies in Colorado

3w
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Junior Java Developer
Washington or Colorado Springs or Colorado
OnsiteFull Time
Blue Rose Consulting Group
Blue Rose Consulting Group: Service-disabled veteran-owned firm specializing in human capital and IT.
2+ YOEU.S. citizenship, active final DoD Secret clearance, 2+ years of Java enterprise application development, and 1+ year each with AngularJS web technologies, Agile, and Java development tools.
Java, Spring, AngularJS, HTML, CSS, JavaScript, Bootstrap, Eclipse, JUnit, Git, Agile, SAFe
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1mo
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Junior Application Developer
Denver or Springfield or Sterling or St. Louis
$53k-$106k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provider of specialized IT and mission-critical government services.
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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6d
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Junior Software Engineer
Colorado Springs, Colorado, United States
$70k-$90k/yr OnsiteFull Time
Delta Solutions & Strategies
Delta Solutions & Strategies: Service-disabled veteran-owned defense contractor providing military training, operations, modeling, simulation, and professional services to federal clients.
Bachelor's degree in computer science or related field; experience with C#, Java, or C++; active Secret clearance and ability to obtain Top Secret clearance; HLA, RTI-s, and FOM experience preferred.
High Level Architecture (HLA), Runtime Infrastructure Scalable (RTI-s), Federation Object Models (FOM), Joint Live Virtual Constructive (JLVC), C++, C#, .NET, Java
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1mo
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Junior Application Developer
Denver or St. Louis or Sterling or Springfield
$53k-$106k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provider of specialized IT and mission-critical government services.
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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5d
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Junior Manufacturing Software Engineer
Boulder, Colorado, United States
$80k-$95k/yr OnsiteFull Time
Veolia Water Technologies
Veolia Water Technologies: Veolia Water Technologies is a Veolia subsidiary designing municipal and industrial drinking-water, wastewater, and sludge-treatment systems.
2+ YOEBachelor's degree in software engineering, information technology, or related field; 2+ years programming experience, including preferably 1 year in manufacturing; MES and software development experience preferred.
VC++, C#, Java, Python, MySQL, Tableau, Microsoft Visual Studio, VS Code, Microsoft SQL Server, PostgreSQL, SAP, Git, GitHub, GitLab, Jira, MES
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Junior Software Developer - Space Weather
Colorado Springs, Colorado, United States
$51k-$82k/yr OnsiteFull Time
Peraton
Peraton: Provider of mission-critical national security technologies and services.
2+ YOEMinimum Top-Secret clearance with ability to obtain SCI; 2+ years software development (or degree/4+ yrs alternative); working knowledge of Java, SpringBoot, Docker, AWS, Git; Agile experience and strong communication.
Java, SpringBoot, Docker, AWS, Git, GitLab CI/CD, Apache Camel, JavaScript, Python, C#, C++, Ruby, CSS, CI/CD
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2mo
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Software Engineer - Junior - FULLY CLEARED with POLYGRAPH REQUIRED
Fort Meade or Maryland or Virginia or Colorado or Texas or Utah or Florida or Hawaii
$100k-$125k/yr OnsiteFull Time
Constellation Technologies
Constellation Technologies: Maryland government contractor providing cyber, data analytics, and engineering services to Intelligence Community and Defense clients.
2+ YOEUS citizen with active TS/SCI clearance and polygraph; 2+ years relevant experience; Bachelor’s in computer science or related; proficiency in Java and Python; experience with PySpark, Hadoop ecosystem, MapReduce, JSON/BSON, JavaScript, Jupyter Notebooks, NiFi, Elasticsearch, and MongoDB.
Python, Java, C++, JavaScript, PySpark, Spark analytics, Jupyter Notebooks, GHOSTMACHINE, MapReduce, ETL, Pig, JSON, BSON, Hadoop, NiFi, Elasticsearch, MongoDB, Query Time Analytics, Red Hat Enterprise Linux, AWS
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Junior Software Developer - Space Weather
Colorado Springs, Colorado, United States
$51k-$82k/yr OnsiteFull Time
Peraton
Peraton: Provider of mission-critical national security technologies and services.
2+ YOEAssociate+2yrs OR Bachelor in CS/SE OR 4+yrs experience; Top-Secret clearance with ability to obtain SCI; working knowledge of Java, SpringBoot, Docker, AWS; Git and CI/CD experience; strong communication.
Java, SpringBoot, Docker, AWS, Git, GitLab, GitLab CI/CD, Apache Camel, CI/CD, C, C#, C++, Python, Ruby, JavaScript, CSS
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2w
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Software Engineer - PTC Windchill Developer
Littleton, Colorado, United States
$91k-$169k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Global security and aerospace driving innovative defense solutions.
2+ YOERequires 2 years of Java and object-oriented development, HTML, CSS, JSP, JavaScript, REST APIs, SQL, relational databases, software lifecycle experience, communication skills, and US citizenship.
Java, HTML, CSS, Java Server Pages (JSP), JavaScript, REST APIs, SQL, PTC Windchill, ProjectLink, PDMLink, Creo, AutoCAD, SolidWorks, Catia, Jasper, Git, GitLab, SonarQube, Jenkins, Ant, SAP IDOCS, XML, SOAP, SOA Suite, OpenShift, Camel, eQube, Agile
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1mo
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Software Development Engineer
Illinois or Mississippi or Montana or North Carolina or Louisiana or Maryland or Maine or Minnesota or Nebraska or Missouri or North Dakota or New York or New Jersey or New Mexico or Nevada or Ohio or South Carolina or Texas or Rhode Island or South Dakota or Vermont or Tennessee or Virginia or Washington or Utah or Wisconsin or West Virginia or Oregon or Wyoming or Oklahoma or Pennsylvania or Colorado or Alabama or Arizona or California or Connecticut or District of Columbia or Florida or Iowa or Arkansas or Idaho or Kansas or Delaware or Georgia or Indiana or Kentucky or Michigan or Massachusetts or New Hampshire
$65k-$173k/yr RemoteFull Time
CVS Health
CVS HealthNYSE: CVS: Diversified healthcare integrating retail, pharmacy, and insurance services.
2+ YOE2+ years systems analysis and application development; 1+ year development in Java/C++/Python; Agile experience; 1+ year with AI/generative AI, Confluent Kafka, and LLMs such as Gemina or Claude.
Java, C++, Python, Confluent Kafka, Gemina, Claude
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3w
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Full Stack Developer
Naperville or Denver
$95k-$115k/yr HybridFull Time
PTMA Financial Solutions
PTMA Financial Solutions: Private financial services firm providing treasury management and investment advisory solutions to public entities and financial institutions.
2+ YOEBachelor's degree or equivalent experience, 2–5 years of professional experience, and development experience with Java, Node.js, SQL, Python, APIs, relational databases, and Unix shell scripting.
Java, Node.js, SQL, Python, HTTP, JSON, WebSockets, ClaudeCode, GitHub Copilot, Unix, Microsoft SQL Server, PostgreSQL, Azure SQL, Oracle, APIs
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5d
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Software Engineer
Westminster or New York or Chicago
$74k-$137k/yr HybridFull Time
Epsilon
Epsilon: Global marketing-data, consumer-analytics, and marketing-technology serving brands.
1+ YOEBachelor's degree in computer science, computer engineering, or related field; 1+ year software development experience with Java or Python; SQL, relational databases, Unix, and shell scripting experience.
Java, Python, SQL, Unix, Unix Shell Scripts, Hadoop, HBase, Spark, Spring, Hibernate, Maven, Angular, HTML, JavaScript, Docker, Kubernetes, AWS, Databricks
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1mo
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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: Building storage infrastructure for the AI-driven data economy.
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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1mo
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Sr Principal Software Engineer (26-355)
Colorado Springs, Colorado, United States
$129k-$194k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Global aerospace and defense technology.
8+ YOEActive DoD Secret clearance, 8+ years experience (or Master’s+6 or 12 years alternative), proficiency in Python and object-oriented languages, Java/J2EE and enterprise Linux development, Maven, Git/GitHub, Nexus, Eclipse, Agile, mentor junior engineers.
Python, Java, C#, C++, Java/J2EE, Java Foundation Classes, Linux, Windows, Maven, Git, GitHub, Nexus, Eclipse, Jira, Confluence, SysML
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4d
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Algorithm Software Engineer
Huntsville or Irvine or Denver or Indianapolis or Grand Rapids or Lexington or Los Angeles or Louisville or Texas or San Francisco
$85k-$104k/yr OnsiteFull Time
Trace3
Trace3: Private IT consulting provider serving enterprise and commercial organizations with AI, cloud, data, and cybersecurity services.
1+ YOEBachelor's degree and 1+ years of experience. Requires full-cycle software development, Java or object-oriented development, Unix/Linux, mathematical algorithms, problem-solving, communication, and teamwork.
Java, Unix, Linux, MATLAB, Python, DevSecOps
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3mo
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MODEL BASED SYSTEMS ENGINEER- JUNIOR (MBSE)
Beavercreek or Huntsville or Colorado Springs or Crestview or Tupelo
OnsiteFull Time
Quantum Research International
Quantum Research International: Privately held defense engineering and technology contractor serving U.S. and allied governments, armed forces, and industry customers.
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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1w
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Software Developer – Entry Level
Denver, Colorado, United States
$58k-$96k/yr OnsiteInternship
CGI
CGITSX: GIB.A: Global IT consulting and business services firm.
Bachelor’s degree in computer science, software engineering, or related field; foundational development experience; Java, C#, .NET, Python, C++, or JavaScript; frontend framework, SQL, REST API, SDLC, and cloud knowledge.
Java, C#, .NET, Python, C++, JavaScript, React, Angular, SQL, REST APIs, SDLC, generative AI, cloud platforms, DevOps
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Software Engineer II
East Lansing or Denver or Canada or India
$70k-$85k/yr HybridFull Time
Vertafore
Vertafore: Insurance technology providing software and data solutions to agencies, managing general agents, and carriers.
2+ YOEBachelor's degree in computer science or equivalent experience; 2–3 years with Java or .NET, JavaScript, React.js, databases, RESTful services, Agile development, and security practices.
Java, .NET, JavaScript, React.js, Agile, relational databases, NoSQL databases, RESTful web services
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Software Engineer, Wallet
Menlo Park or New York City or Bellevue or Washington or Denver or Westlake or Chicago or Lake Mary or Clearwater or Gainesville
$166k-$195k/yr HybridFull Time
Robinhood Crypto
Robinhood CryptoNASDAQ: HOOD: Wholly owned U.S. crypto subsidiary providing retail customers cryptocurrency trading, custody, transfers, and staking.
2+ YOE2+ years of software development experience; backend expertise in Go, Python, or Java; cloud-native architecture, system design, data modeling, and software engineering fundamentals required.
Go, Python, Java, EVM blockchains, smart contracts
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1mo
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Software Engineer
Colorado Springs or Boston
HybridFull Time
Odyssey Systems
Odyssey Systems: Provider of management, analytical, and technical support services for government and private-sector customers.
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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