54 senior java engineer jobs at 25 companies in Piqua, OH

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
1mo
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Java Developer Senior
Beavercreek, Ohio, United States
$75k-$160k/yr OnsiteFull Time
Bering Straits Native Corporation
Bering Straits Native Corporation: Provides government contracting, IT, logistics, and construction services.
Senior Java developer with strong Java, JavaScript, SQL; experience with cloud, CI/CD, RESTful services; government security clearance; Bachelor's in Engineering; US citizenship.
Java, JavaScript, SQL, Ext JS, JUnit, Eclipse, Oracle SQL Developer, REST, SOAP, Git, CI/CD, Cloud
2mo
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Senior Alt-PNT Research Engineer
Dayton, Ohio, United States
OnsiteFull Time
University of Dayton: Catholic research university providing undergraduate and graduate higher education.
8+ YOEMaster’s in EE/CE/CS or related, 8+ years experience, Python/C++/Java, Linux/Windows, Git, travel ~10%, Alt-PNT sensor tech, US citizen with ability to obtain DoD Secret clearance.
Python, C++, Java, Git, Linux, Windows
5d
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Senior Integration Engineer
Dayton, Ohio, United States
OnsiteFull Time
DCS Corporation
DCS Corporation: Providing engineering and technical services for national security.
8+ YOEU.S. citizen with active Secret DoD clearance, BS in technical field and 8+ years experience; proficiency in C/C++, Python or Java, cloud/secure systems integration, Agile practices, and strong communication.
C, C++, Python, Java, MS TFS, Confluence, Jira
1mo
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Sr. Software Engineer
Dayton, Ohio, United States
RemoteFull Time
Concept Plus: Delivers enterprise IT services for federal government agencies.
8+ YOESecret clearance required; 8+ years software systems engineering or architecture experience. Bachelor\u0002s in IT/Engineering (or equivalent), DoD 8140/8570 certifications, DevSecOps and CI/CD expertise, Java and cloud experience.
Cloud One, Oracle, Java, GitLab CI, Jenkins, Azure DevOps, SonarQube, Docker, Kubernetes, Terraform, Ansible, Bicep, AWS
1mo
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Software Engineer IV - NovaStar
Dayton, Ohio, United States
OnsiteFull Time
Applied Research Solutions
Applied Research Solutions: Providing technical engineering and mission support to defense agencies.
TS/SCI clearance, US citizen, Master's in Engineering/CS/IT, experience with Java, Python, JavaScript/TypeScript, Angular/Vue, NodeJS; cloud and Gov projects preferred.
Java, Python, JavaScript, TypeScript, Angular, Vue.js, Node.js, OpenAPI, PostgreSQL, Redis, Kubernetes, Helm, Terraform, Kafka, TensorFlow, PyTorch
1mo
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Senior Software Developer
Charlotte or Morrisville or Yellow Springs or Morton Grove
HybridFull Time
Xylem
XylemNYSE: XYL: Manufacturer of water transport, treatment, and testing technologies.
7+ YOE7+ years software engineering experience; strong Java and Spring Boot skills; CI/CD and SDLC practices; identity and security fundamentals (OAuth2/OIDC, JWT); experience with Keycloak/Okta/Auth0/Entra ID preferred; strong communication.
Java, Spring Boot, OAuth 2.0, OIDC, JWT, Keycloak, Okta, Auth0, Entra ID, Angular, React, PKCE, SAML 2.0, CI/CD, API gateway
1w
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Senior Software Engineer
Colorado Springs or Beavercreek Township
$116k-$174k/yr OnsiteFull Time
KBR
KBRNYSE: KBR: Provides engineering, technology, and professional services for global markets.
5+ YOEActive U.S. Top Secret/SCI clearance,5+ years software development,4+ years Java or Python,experience with distributed/high-throughput systems,BS in a technical field,mentoring and architecture experience.
Java, Python, MIL-STD-6016, MIL-STD-3011, TDD, CI/CD
3w
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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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Systems Integration Engineer, Principal
Dayton, Ohio, United States
OnsiteFull Time
Astrion
Astrion: Provides engineering, cybersecurity, and mission support services.
20+ YOETop Secret clearance and U.S. citizenship; advanced degree or extensive experience (20+ years) in engineering with significant DoD experience; expertise in system integration, requirements development, risk analysis, networking protocols, Windows/Sun/Linux/Unix, and C/C++ or Java.
TCP/IP, UDP, HTTP, SSL, Windows, Sun, Linux, Unix, C/C++, Java
1mo
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Equipment Engineer
Troy, Ohio, United States
OnsiteFull Time
Novacel Americas
Novacel Americas: Manufacturer of surface protection films and industrial adhesive tapes.
8+ YOEBachelor's in electrical/controls/mechatronics, 8+ years industrial electrical/controls/automation experience, PLC/HMI/VFD expertise, programming (Python, Java, C#, JavaScript), CMMS familiarity, electrical schematics and root-cause analysis skills.
PLC, HMI, VFD, Allen-Bradley, Siemens, Python, Java, C#, JavaScript, PLC Programming, CMMS
6d
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Senior Engineer – Full-Stack Ground Software Developer
Fairborn, Ohio, United States
$88k-$150k/yr OnsiteFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Designs and manufactures advanced defense and aerospace systems.
4+ YOEBachelor's degree or equivalent with 4+ years experience, active TS/SCI clearance, experience with satellite ground systems, COSMOS/ECLIPSE/OS/COMET/OASIS, cloud, CI/CD, Java/C++/Python, Agile, and tools like Jama/DOORS.
COSMOS, ECLIPSE, OS/COMET, OASIS, AWS, Lambda, Docker, Kubernetes, Spring, Jersey, Flask, CherryPy, Ruby on Rails, JavaScript, Angular, React, JavaFX, Python, Qt, SQL, NoSQL, JPA, ORM, Java, C++, Jama, DOORS, SysML, UML, Confluence, Jira, CI/CD
2mo
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Principal Model Based Systems Engineer
Dayton, Ohio, United States
OnsiteFull Time
Odyssey Systems
Odyssey Systems: Provides technical engineering and program management for government agencies.
20+ YOEUS citizen with Top Secret clearance. Advanced engineering degree plus 20 years DoD experience (or BS +25 years). Experience in systems engineering, DoD 5000 acquisition, MIL‑HDBK‑516/MIL‑STD‑882, DOORS/SysML/Cameo, networking protocols, and C/C++/Java.
DOORS, SysML, Cameo, TCP/IP, UDP, HTTP, SSL, Windows, Sun, Linux, Unix, C/C++, Java
1w
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Senior Software Engineer
Dayton, Ohio, United States
HybridFull Time
NextGen Federal Systems
NextGen Federal Systems: Provides advanced software engineering and mission support to federal agencies.
Bachelors in CS/Engineering/IT, active TS/SCI clearance, strong OO and modern languages, agile practices, cloud, containers, CI/CD, and experience across the software development lifecycle.
Scrum, Jira, IaaS, PaaS, SaaS, Docker, Kubernetes, Python, MATLAB, IDL, Java, JavaScript, Typescript, NodeJS, C++, Angular, Spring Boot, Vue, QT, React, OpenSearch Dashboards, Jenkins, GitLab CI, JUnit
1mo
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Full stack Software Engineer, Senior
Dayton, Ohio, United States
$87k-$198k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
6+ YOE6+ years full‑stack software engineering experience; active TS/SCI clearance and willingness to take a polygraph; proficiency with Python, C++, Java/Spring Boot, AWS, Kubernetes, containerization, APIs, and databases; Bachelor’s degree in a STEM field required.
Python, C++, Java, Spring Boot, AWS, Kubernetes, Docker, GitLab CI/CD, Kafka, NiFi, Elasticsearch, OpenSearch, Solr, PostgreSQL, DynamoDB, MongoDB, SQLite, REST, gRPC, GraphQL, Terraform, CloudFormation, FastAPT, Codex, Claude Code, OpenCode, LLMs, AI
1mo
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Software Engineer, Senior
McLean or Dayton or Wright-Patterson AFB
OnsiteFull Time
Skyline Scientific
Skyline Scientific: Specialized engineering and analytical services for remote sensing systems.
10+ YOEBachelor's in STEM or equivalent, 10+ years of scientific/algorithm/software engineering experience, strong Python skills, familiarity with Git/GitLab/Bitbucket/Jira/Jenkins, U.S. citizenship and ability to obtain security clearance, comfortable working in classified environments.
Python, Windows, Linux, Git, GitLab, Bitbucket, Jira, Jenkins, PyTorch, TensorFlow, scikit-learn, NumPy, pandas, OpenCV, C, C++, Java, Rust, MATLAB, CI/CD
1w
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Systems Engineer and Architect (Pending Contract Award)
Dayton, Ohio, United States
OnsiteFull Time
Design Interactive
Design Interactive: A small business delivering end-to-end systems engineering, data science, and digital transformation solutions for defense and commercial clients.
5+ YOEAbility to obtain DoD clearance, 5+ years systems engineering/architecture experience, MBSE and hybrid cloud proficiency, SDLC and Java experience, strong analytical and communication skills; MS/PhD preferred.
Model-Based Systems Engineering (MBSE), Software Development Lifecycle (SDLC), Java, Artificial Intelligence & Machine Learning (AI/ML)
3w
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Full Stack Software Engineer, Senior
Dayton, Ohio, United States
$87k-$198k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
6+ YOE6+ years full-stack software engineering; experience with cloud-native architectures, Python/C++/Java/Spring Boot, AWS/Azure, Docker/Kubernetes, Kafka/NiFi/Elasticsearch, GitLab CI/CD; active TS/SCI clearance and Bachelor's in a STEM field required.
Python, C++, Java, Spring Boot, PostgreSQL, DynamoDB, MongoDB, SQLite, AWS, Azure, Docker, Kubernetes, GitLab CI/CD, Kafka, NiFi, Elasticsearch, FastAPT, REST, gRPC, GraphQL, Terraform, CloudFormation, OpenSearch, Solr, Codex, Claude Code, OpenCode
1w
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Principal Systems Integration Engineer
Dayton, Ohio, United States
OnsiteFull Time
Odyssey Systems
Odyssey Systems: Provides engineering, integration, and technical services to defense clients.
15+ YOEUS citizen with Top Secret clearance. ABET-accredited engineering degree with extensive DoD experience (15–20 years), experience in systems engineering, airworthiness/safety evaluation, requirements development and risk analysis.
DOORS, TCP/IP, UDP, HTTP, SSL, Windows, Sun, Linux, Unix, C/C++, Java
1mo
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Senior AI/ML & Cloud Native Software Engineer
Beavercreek, Ohio, United States
OnsiteFull Time
Parallax Advanced Research
Parallax Advanced Research: Conducts advanced research and develops technology for government and academic clients.
8+ YOEUS citizen with active TS/SCI clearance, Bachelor's in CS or related, 8+ years software engineering (5+ in DevSecOps/AI/ML). Proficient in Python/Java, AI/ML frameworks, MLOps, containerization, Kubernetes, CI/CD, and data engineering.
Python, Java, TensorFlow, PyTorch, Scikit-learn, MLFlow, Kubeflow, Docker, Kubernetes, GitLab CI, Jenkins, GitHub Actions, Kafka, NASIC Unified Cloud (NUC), DAF CLOUDworks, NIPRnet, SIPRnet, JWICS, EPAS
2w
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Software Engineer, Senior
Dayton, Ohio, United States
OnsiteFull Time
GRVTY
GRVTY: Develops defense technology, cyber, and intelligence software solutions.
9+ YOEActive Top Secret clearance (SCI/CI polygraph eligible), Bachelor's in STEM (or equivalent experience), 9+ years software development (7+ with Master's), expert Python, scientific computing, data pipeline and ML integration experience.
Python, Windows, Linux, Git, GitLab, Bitbucket, Jira, Jenkins, PyTorch, TensorFlow, scikit-learn, NumPy, pandas, OpenCV, SciPy, C, C++, MATLAB, Java, Rust