29 senior software developer java jobs at 16 companies in Piqua, OH
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Senior Software Engineer
Colorado Springs or Beavercreek Township
$116k-$174k/yrOnsiteFull Time
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.
Charlotte or Morrisville or Yellow Springs or Morton Grove
HybridFull Time
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
Arlington or Woburn or Carlsbad or Aurora or Boston or Dayton or Melbourne
$140k-$170k/yrHybridFull Time
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
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.
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.
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.
AeroVironmentNASDAQ: AVAV: Designs and manufactures unmanned aircraft and tactical missile systems.
5+ YOEBachelor's in CS/CE/Math, U.S. citizenship, active TS/SCI w/ polygraph, 5+ years software development experience; proficiency with Java, C++, Python, Go, Elasticsearch, PostgreSQL, git, and Jenkins; CI/CD and testing experience.
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.
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.
Base-2 Solutions: Delivers engineering and technology services for national security.
8+ YOERequires active Top Secret/SCI with CI Polygraph, DoD 8570 IAT2/IAM2 compliance, DevSecOps experience, Oracle/CENTOS knowledge, and software/web development experience supporting intelligence customers.
Java, CGI, Visual Basic, HTML, XML, Oracle, CENTOS, Platform as a Service (PaaS)
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.
DCS Corporation: Providing engineering and technical services for national security.
6+ YOEU.S. citizen able to obtain Secret clearance, BS in CS/CE or related, 6+ years experience (or master’s+6), programming experience, Linux, Git, containerized deployments, CI/CD, automated testing, and Agile familiarity.
Radiance Technologies: Engineering and technology solutions for defense and intelligence.
5+ YOE5+ years as a software architect/engineer, Bachelor's in CS or related, proficiency in Golang/Java/C++/Python, EMPOWERS architecture design, strong communication, US citizenship, Top Secret clearance (or ability to obtain).
Golang, Java, C++, Python, Model-Based Systems Engineering (MBSE), C4 modeling, Structurizr, Architecture Decision Records (ADR)
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.
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.
BirlasoftNational Stock Exchange of India: BSOFT: Provides digital transformation and IT consulting services for global enterprises.
5+ YOE5+ years backend experience with Java 17+ and Spring ecosystem, experience integrating AI/ML (Spring AI, LangChain4j), SQL and vector DB knowledge, microservices, message brokers, cloud experience, and strong system design skills.
Core Java, Java 17+, Spring Boot, Spring Cloud, Spring Security, Spring AI, LangChain4j, PostgreSQL, Pinecone, Elasticsearch, GitHub Copilot, Cursor, Kafka, RabbitMQ, AWS, Azure, GCP, SQL
Astrion: Provide engineering and mission support services to federal government agencies.
20+ YOETop Secret clearance and US citizenship required. Advanced degree or extensive experience in DoD acquisition engineering (20+ years with DoD experience) with expertise in system integration, networking protocols, IA, and software development.