46 junior java developer jobs at 17 companies in Greenfield, OH
1mo
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Junior Backend Java Developer- Enterprise Payments and Credit Card
Minnetonka or Columbus
$52k-$101k/yr OnsiteFull Time
1+ YOEBachelor's degree in CS/MIS, 1+ years software development experience, strong Java and Spring Boot skills, DevOps/CICD experience, familiarity with Kafka, REST/JSON/SOAP, and collaboration in agile teams.
Java, Spring Boot, Eclipse, Maven, Gradle, Kafka, REST, JSON, SOAP, NoSQL, Chef, Puppet, Git, GitHub, Jenkins, JUnit, DevOps, CICD
2mo
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Junior Software Developer
Beavercreek or Dayton
OnsiteFull Time
6+ YOEActive TS/SCI clearance; 6+ years software development; BS in Computer Science or related field; Python, Java, C++, Go, Rust, JavaScript/TypeScript, SQL/NoSQL; TensorFlow/PyTorch; DevSecOps tools; cloud platforms; ML/AI experience; secure coding practices.
Python, Java, C++, Go, Rust, JavaScript, TypeScript, SQL, NoSQL, TensorFlow, PyTorch, Matplotlib, OpenCV, Docker, Kubernetes, Jenkins, GitLab CI/CD, Terraform, Ansible, Security Scanning, AWS, Azure, GCP, MLOps
3w
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Junior Software Engineer
Colorado Springs or Beavercreek
$77k-$115k/yr OnsiteFull Time
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
3w
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Software Engineer/Principal Software Engineer–Java (TS/SCI-CI Poly) (AHT)
Wright-Patterson Air Force Base, Ohio, United States
$83k-$155k/yr OnsiteFull Time
2+ YOEActive TS/SCI with CI polygraph, 2+ years Java development experience (level dependent), STEM degree, ability to work in SCIF, strong communication and problem-solving skills.
Java, JEE, Spring, RESTful services, Python, Bash, PowerShell
1mo
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Sr Engineer, Software Engineer - Retirement Solutions - Java/Angular
Columbus, Ohio, United States
$76k-$115k/yr HybridFull Time
2+ YOE2+ years technology experience; experience with Java or Angular; AI mindset; knowledge of SDLC, DevSecOps practices, integrations, cloud-enabled components; undergraduate studies in CS/MIS or equivalent experience.
Java, Angular, C++, Python, JavaScript
1w
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Junior Software Engineer - DAFFM
Ellsworth Air Force Base or Wright-Patterson Air Force Base
OnsiteContract
Perform software sustainment, testing, troubleshooting, configuration, and integration support; experience with WebSphere, DB2, enterprise Java/middleware, scripting, change-control, and DoD 8570/8140 requirements.
WebSphere, DB2, CyberArk, Java
1mo
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Software Engineer
Beavercreek, Ohio, United States
$69k-$158k/yr HybridFull Time
2+ YOE2+ years software development experience, Secret clearance required, Bachelor's degree or 5+ years experience in lieu of degree, experience with full-stack development and languages such as Java, Python, C#, C, C++, .NET, JavaScript, React, NodeJS, PHP, Drupal.
Java, Python, C#, C, C++, .NET, JavaScript, React, NodeJS, PHP, Drupal
2mo
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MODEL BASED SYSTEMS ENGINEER- JUNIOR (MBSE)
Beavercreek or Huntsville or Colorado Springs or Crestview or Tupelo
OnsiteFull Time
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)
1mo
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Software Engineer
Beavercreek or Arlington
$69k-$158k/yr OnsiteFull Time
2+ YOE2+ years software development experience, Secret clearance required, Bachelor’s degree or 5+ years experience in lieu of degree, proficiency with back-end and front-end languages; experience with Java, Python, C#, C/C++, .NET, JavaScript, React, NodeJS, PHP, or Drupal is a plus.
Java, Python, C#, C, C++, .NET, JavaScript, React, NodeJS, PHP, Drupal
1d
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Software Engineer
Columbus, Ohio, United States
HybridFull Time
2+ YOEBachelor's in computer or information science or equivalent experience; 2+ years software development experience; expertise in a technology stack; programming, testing, APIs, databases, cloud, and Agile development.
Java, .NET, C#, Jira, Git, FHIR, REST, SOAP, Postman, SOAP UI, Jenkins, React, Angular, Spring, JavaScript, Microsoft SQL Server
1mo
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AI Application Developer
Columbus, Ohio, United States
$86k-$138k/yr OnsiteFull Time
2+ YOE2+ years experience building AI/LLM applications, BA/BS preferred, proficiency with LLM frameworks (LangChain, LlamaIndex, AutoGen, CrewAI), cloud-native platforms (AWS/Azure/GCP), CI/CD, Python plus another language, and U.S. citizenship with ability to obtain Public Trust.
GenAI.mil, LangChain, LlamaIndex, AutoGen, CrewAI, Kubernetes, AWS, Azure, GCP, Python, Java, JavaScript, Go, CI/CD, MHS GENESIS
2w
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Systems Engineer
Dayton, Ohio, United States
$65k-$110k/yr OnsiteFull Time
0+ YOEExperience with MBSE tools and practices, requirements and architecture development, scripting for model data export, and integration of system models; bachelor’s degree in engineering required.
MBSE, Cameo/MagicDraw, Rhapsody, Java, C++, Apache Velocity, SysML, UML, UAF
1mo
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Managed Services - Data Engineer - Experienced Associate
Phoenix or Indianapolis or Grand Rapids or Raleigh or Charlotte or Jacksonville or Cincinnati or Cleveland or Columbia or Kansas City or Columbus or Dallas or Las Vegas or Little Rock or Baltimore or Richmond or Louisville or Sacramento or Birmingham or St. Louis or Albany or Tampa or Atlanta or Toledo or Tulsa or Austin or Miami or Milwaukee or Minneapolis or Denver or Des Moines or Nashville or Detroit or New Orleans or Buffalo or Oklahoma City or Fort Worth or Greensboro or Pittsburgh or Houston
$63k-$140k/yr OnsiteFull Time
1+ YOEBachelor's degree, 1+ years' experience, proficiency with Python, Java, SQL, DataStage, DB2/SQL Server, Oracle BI, QlikView/Spotfire, UNIX; experience with data engineering, ETL, and data architecture.
Python, Java, DataStage, Oracle Business Intelligence, QlikView, Spotfire, DB2, SQL Server, SQL, Snowflake, UNIX
22h
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Data Engineer
San Antonio or Beavercreek or Houston or Charlotte or Huntsville or Atlanta
$53k-$88k/yr OnsiteFull Time
Bachelor's degree in a technical field, experience in data engineering or related disciplines, programming with Python, Java, or SQL, and experience with data integration, ETL, data warehousing, or analytics.
Python, SQL, PySpark, AWS, Azure, Git, Databricks, Spark, Microsoft Power BI, Tableau, Kibana, Amazon S3, AWS Lambda, Amazon Redshift, Azure Data Factory, Azure Functions, Azure Cosmos DB
1mo
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Reverse Engineer/Vulnerability Research Co-op (Spring 2027) (76343)
Columbus, Ohio, United States
$20-$40/hr OnsiteInternship
Current enrollment in an Associate/Bachelor/Master program in CS/CE or related; at least 1 year college coursework; experience with C/C++ and microcontroller debugging; knowledge of computer architecture and assembly (x86, x64, ARM, MIPS); familiarity with IDA Pro, Ghidra, or Binary Ninja; must be sole US citizen able to obtain security clearance.
C, C++, x86, x64, ARM, MIPS, IDA Pro, Ghidra, Binary Ninja, Java, C#, Python, GDB, OllyDbg, WinDbg, Immunity Debugger
1mo
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AI Application Developer
Columbus, Ohio, United States
$86k-$138k/yr RemoteFull Time
2+ YOERequires 2+ years post-BA/BS experience building AI/LLM applications, expertise with LLM frameworks (LangChain, LlamaIndex, AutoGen, CrewAI), cloud-native platforms (AWS/Azure/GCP), CI/CD and DevSecOps, Python plus one other language, and U.S. citizenship with ability to obtain Public Trust.
LangChain, LlamaIndex, AutoGen, CrewAI, GenAI.mil, Kubernetes, Python, Java, JavaScript, Go, AWS, Azure, GCP, CI/CD, DevSecOps, MLOps, AIOps
1d
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Cybersecurity Engineer (NJUS)
Columbus, Ohio, United States
OnsiteFull Time
2+ YOEBachelor's degree in IT or Computer Science and 2–4+ years of hands-on software or cybersecurity engineering experience. Requires coding, APIs, automation, cloud-native services, security engineering, and OWASP knowledge.
Python, PowerShell, Java, Go, C#, JavaScript, APIs, webhooks, SDKs, CI/CD, OWASP Top 10
3mo
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Technical Support Engineer (Columbus, OH, US)
Columbus, Ohio, United States
OnsiteFull Time
1+ YOEFirst-line technical support for IT-based systems; 1+ year service desk experience; knowledge of SQL, HTML, Kubernetes, and data analytics; troubleshooting and customer service; willingness to travel 40-60%.
SQL, HTML, Kubernetes, Java, Python, C, Data Analytics
4d
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Software Development Intern - 2027
Fairborn, Ohio, United States
$28/hr OnsiteInternship, Full Time
Working toward a bachelor's degree in computer science or computer engineering; familiarity with listed programming and database technologies; teamwork, communication, and ability to learn new technologies.
C++, JavaScript, TypeScript, Python, Java, HTML, CSS, PostgreSQL, PostGIS, SQL
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