651 junior developer jobs at 326 companies in Xenia, OH

1mo
Save
Mark Applied
Hide
Junior Developer
Dayton, Ohio, United States
RemoteFull Time
Concept Plus: Delivers enterprise IT services for federal government agencies.
2+ YOEActive Secret clearance and US citizenship required; 2 years software development experience; familiarity with Java, SDLC/Agile, Git; client 8140 or 8570 IAM Level II certifications required; experience with CI/CD, cloud, containers, and security/compliance practices.
Cloud One, Oracle, Java, GitHub Actions, GitLab CI, Jenkins, Azure DevOps, Terraform, CloudFormation, ARM templates, SAST, DAST, AWS, Azure, GCP, Docker, Kubernetes, Git
2mo
Save
Mark Applied
Hide
Junior Systems Engineer
Beavercreek, Ohio, United States
$80k-$100k/yr OnsiteFull Time
KBR
KBRNYSE: KBR: Provides engineering, technology, and professional services for global markets.
0+ YOEBachelor’s in Electrical/Computer/Systems Engineering or related; 0–2 years experience; ability to obtain DoD security clearance; lab/test experience.
2mo
Save
Mark Applied
Hide
Junior Software Developer
Beavercreek or Dayton
OnsiteFull Time
Parallax Advanced Research
Parallax Advanced Research: Conducts advanced research and develops technology for government and academic clients.
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
1mo
Save
Mark Applied
Hide
C++ Software Engineer, Junior
Beavercreek or United States
$55k-$126k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
Bachelor's degree in STEM required, knowledge of C++ fundamentals, experience with Agile development, ability to write and troubleshoot code, and eligibility for Secret clearance.
C++, AFSIM, Git, Jira, Bamboo, CI/CD, Agile
1mo
Save
Mark Applied
Hide
Software Engineer, Junior
Dayton, Ohio, United States
OnsiteFull Time
Skyline Scientific
Skyline Scientific: Specialized engineering and analytical services for remote sensing systems.
3+ YOEBachelor's in a STEM field (or equivalent), 3+ years in algorithm development/scientific computing or ML workflow support, strong Python programming, familiarity with Git/GitLab/Bitbucket/Jira/Jenkins, U.S. citizenship and ability to obtain security clearance.
Python, Windows, Linux, Git, GitLab, Bitbucket, Jira, Jenkins
1w
Save
Mark Applied
Hide
Junior Software Engineer
Dayton, Ohio, United States
OnsiteFull Time
DCS Corporation
DCS Corporation: Providing engineering and technical services for national security.
2+ YOEU.S. citizen able to obtain Secret clearance. BS in CS/CE or related, 2 years related experience (or MS with 1 year). Experience with automated testing, containers, CI/CD, Linux, Git, and Agile.
Java, C, C++, Python, Linux, Git, Kubernetes, CONAN, CMake, CI/CD, container orchestration, containerized deployments, containerized environments, UDP, TCP/IP, MBSE, AGILE
1mo
Save
Mark Applied
Hide
C++ Software Engineer, Junior
Beavercreek, Ohio, United States
$55k-$126k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
Secret clearance required, Bachelor's in STEM, knowledge of C++ fundamentals, experience designing and writing software using Agile methods, debugging and testing skills; CI/CD tools and modeling/simulation experience are a plus.
C++, AFSIM, Git, Jira, Bamboo, CI/CD
4d
Save
Mark Applied
Hide
Junior Modeling and Simulation Engineer
Beavercreek, Ohio, United States
OnsiteFull Time
Radiance Technologies
Radiance Technologies: Engineering and technology solutions for defense and intelligence.
1+ YOEBachelor's in CS/CE/EE or related, US citizenship with ability to obtain security clearance, minimum 1 year software development experience including C++/C#/Python/Java, and experience with source control and CI/CD.
C++, C#, Python, Java, git, Bitbucket, Gitlab, Jenkins, Gitlab runners, AFSIM, NGTS, ITASE, WSL2, Docker, Visual Studio, Visual Studio Code, PyCharm
2d
Save
Mark Applied
Hide
Junior Software Engineer - DAFFM
Ellsworth Air Force Base or Wright-Patterson Air Force Base
OnsiteContract
Chameleon Integrated Services
Chameleon Integrated Services: Provides IT systems integration and cybersecurity for federal agencies.
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
Save
Mark Applied
Hide
Junior Field Services Engineer
Sharonville, Ohio, United States
FieldFull Time
Baker Hughes
Baker HughesNASDAQ: BKR: Provides technology and services for energy and industrial sectors.
Bachelor's degree in engineering or engineering technology, ability to diagnose and repair mechanical/electromechanical/electronic equipment, lift up to 50 lbs, valid driver’s license and passport, U.S. citizenship, able to travel 70%+, background checks required.
Waygate Technologies, Phoenix 2D & 3D CT X‑ray testing machine, high-end PCs
1w
Save
Mark Applied
Hide
Software Engineer -ACL-Dayton, OH - Open Rank (Junior-Mid Level)
Dayton, Ohio, United States
OnsiteFull Time
Georgia Tech Research Institute
Georgia Tech Research Institute: Performs applied scientific research and engineering for various organizations.
2+ YOEBachelor's in Math/CS/Physics/EE, ability to obtain DoD security clearance, programming experience (Java, JavaScript, C/C++, C#, Ruby, Python, Scala, Groovy), CI/CD/DevOps and distributed systems knowledge, U.S. citizenship required.
Java, JavaScript, C, C++, C#, Ruby, Python, Scala, Groovy, MATLAB, Continuous Integration/Continuous Delivery (CI/CD), DevOps, API
1mo
Save
Mark Applied
Hide
Software Developer
Dayton, Ohio, United States
OnsiteFull Time
Modern Technology Solutions
Modern Technology Solutions: An employee-owned engineering services providing modeling, simulation, cybersecurity, AI, and mission assurance solutions to defense and national security customers.
2+ YOEBachelors in CS/Engineering, 2+ years C++ development, modeling & simulation experience, Windows/Linux development, OOP and design patterns, Git, active Top Secret/SCI clearance required.
C++, Windows, Linux, Git, EAAGLES, Google Test, Catch2, Python, Lua, Jira, Confluence
1mo
Save
Mark Applied
Hide
Software Developer
Dayton, Ohio, United States
OnsiteFull Time
Modern Technology Solutions, Inc.
Modern Technology Solutions, Inc.: Provides engineering, technology, and cybersecurity services for national security.
2+ YOEBachelor's in CS/Engineering, 2+ years C++ experience, modeling & simulation experience, Windows/Linux development, Git, Top Secret/SCI clearance with SAP eligibility preferred.
C++, Windows, Linux, Git, EAAGLES, Google Test, Catch2, Python, Lua, Jira, Confluence, Agile
2w
Save
Mark Applied
Hide
Entry Level Software Developer
Dayton, Ohio, United States
$64k/yr HybridFull Time
Reynolds and Reynolds
Reynolds and Reynolds: Provides software and services for automotive retailers.
Entry-level developer; training and mentorship provided. Requires attention to detail, self-starter attitude, teamwork and leadership potential. Degree or bootcamp is a plus but not required.
Microsoft Windows, Microsoft .NET, Linux, iOS, Android
3d
Save
Mark Applied
Hide
Journeyman Software Developer
Dayton, Ohio, United States
$94k-$107k/yr HybridFull Time
Amentum
AmentumNYSE: AMTM: Provides engineering, technology, and mission support to government agencies.
2+ YOE2+ years software development (or HS/GED +3 yrs), 1+ year Java experience, Ant/Maven, SVN/Git, JavaScript/HTML/CSS/SQL, ability to obtain facility credentials (US citizenship required), live within 1 hour of Wright-Patterson AFB.
SQL, HTML, Java script, CSS, Java, Ant, Maven, SVN, Git, JIRA, Confluence, API
2mo
Save
Mark Applied
Hide
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)
2mo
Save
Mark Applied
Hide
Radar Software Engineer - Jr/Mid/Sr - 28356 * (Dayton Wright-Patterson AFB, O, Ohio, United States)
Dayton, Ohio, United States
$78k-$168k/yr OnsiteFull Time
HII
HIINYSE: HII: Builds naval ships and provides global defense technology solutions.
Radar software development across junior to senior levels; C++/Python; embedded real-time; security clearance; at WPAFB, Ohio.
C++, Python, MATLAB, Linux, Real-Time OS, GitLab, Docker, Kubernetes
1mo
Save
Mark Applied
Hide
Software Engineer
Woburn or Arlington or Carlsbad or Aurora or Boston or Dayton or Melbourne or San Diego
$110k-$138k/yr HybridFull Time
Systems & Technology Research
Systems & Technology Research: Develops advanced technology for national security and defense applications.
2+ YOEBS/MS in Computer Science or related field, 2+ years (BS) or recent MS with experience, professional Java development experience, familiarity with microservices, Linux, Docker, Kubernetes, Kafka/NATS, GitLab; U.S. citizenship and ability to obtain Top Secret clearance required.
Java 17+, Spring Boot, Linux, Docker, Kubernetes, Kafka, NATS, GitLab, Python
3w
Save
Mark Applied
Hide
Jr Software Developer (OH, Dayton)
Dayton, Ohio, United States
OnsiteFull Time
J.F. Taylor
J.F. Taylor: Engineering and manufacturing for military flight simulation systems.
Knowledge of software requirements, design and systems integration; object-oriented C++ development; modeling, simulation and analysis; strong communication and technical writing. No prior professional experience required.
C++, Modeling, Simulation, and Analysis (MS&A)
1mo
Save
Mark Applied
Hide
Junior Water Services Engineer (Fall 2026 Start!)
Cincinnati, Ohio, United States
$61k-$100k/yr OnsiteFull Time
CDM Smith
CDM Smith: Engineering and construction firm for global infrastructure projects.
0+ YOEBachelor's in Civil/Environmental/Chemical Engineering or related; 0 years experience required (entry-level); travel up to 10%; basic CADD, MS Excel/Word, ArcGIS, HEC-RAS, SWMM familiarity; strong communication skills.
ArcGIS, HEC-RAS, SWMM, CADD, Microsoft Excel, Microsoft Word