194 senior software development engineer jobs at 87 companies in Fairfield, OH

2d
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Sr. Engineer, Software Development
New York City or Birmingham or Miami or Tampa or Blue Ash or Cincinnati or Los Angeles or San Francisco
$121k-$173k/yr HybridFull Time
Green Dot
Green DotNYSE: GDOT: Provides mobile banking and payment solutions to consumers and businesses.
5+ YOE5+ years software engineering experience with secure API/microservice development, cloud (Azure) and observability; 1+ year technical leadership; fintech or BaaS experience preferred.
C#, .NET, SQL, APIM, Azure SQL, Cosmos DB, Key Vault, Service Bus, Event Hubs, Datadog, Grafana, Git, OAuth2, Open API
2mo
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Senior 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.
10+ YOEActive TS/SCI clearance, US citizenship, 10+ years software development, DevSecOps and AI/ML experience; cloud deployments; security focus.
Docker, Kubernetes, Jenkins, GitLab CI/CD, Terraform, Ansible, Security Scanning Tools, AWS, Azure, GCP, TensorFlow, PyTorch, OpenCV, LangGraph, CrewAI
1w
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Senior Software Developer
Dayton, Ohio, United States
OnsiteFull Time
Modern Technology Solutions
Modern Technology Solutions: Provides software development and modeling and simulation services.
5+ YOE5+ years C++ software development experience, modeling and simulation expertise, Windows/Linux proficiency, Git, strong OOP and design pattern knowledge, bachelor's in CS or engineering.
C++, Windows, Linux, Git, EAAGLES, Google Test, Catch2, Python, Lua, Jira, Confluence
2mo
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Senior Software Engineer | The Synthesizer
Dayton, Ohio, United States
OnsiteFull Time
Infinity Labs
Infinity Labs: Develops modeling and simulation solutions for defense and security.
10+ YOE10+ years software engineering; Python and C++ proficiency; leadership and architecture design experience.
Python, C++, PostgreSQL, CI/CD, Agile, AFSIM, OMS
2w
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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
1w
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Senior 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.
5+ YOEBachelor's degree,5+ years C++ software development experience,modeling & simulation experience preferred,Windows/Linux development,version control (Git),strong OOP and design skills.
C++, Windows, Linux, Git, EAAGLES, Google Test, Catch2, Python, Lua, Jira, Confluence
1mo
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Senior Software Engineer
Dayton, Ohio, United States
OnsiteFull Time
Odyssey Systems
Odyssey Systems: Provides engineering, integration, and technical services to defense clients.
15+ YOEUS citizen with SECRET clearance required; ABET-accredited BS in Engineering; 15 years' experience; strong software engineering and software assurance knowledge; familiarity with avionics/aeronautical systems; 10% travel; onsite at Wright-Patterson AFB.
2mo
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Application Software Engineer, Senior
Kettering, Ohio, United States
OnsiteFull Time
Torch Technologies
Torch Technologies: Provides research and engineering services to the defense industry.
10+ YOEU.S. citizen with ABET degree in CS/IT/engineering and extensive DoD software experience; security clearance; on-site in Kettering, OH.
Agile tools, Jira, Confluence, Jenkins, Bitbucket, GitLab, CheckMarx, SonarQube, Zephyr, AWS, Azure, OCI, Kubernetes, Infrastructure as Code, CI/CD, Containers
2w
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Software Engineer Senior
Wright-Patterson AFB, Ohio, United States
$85k-$100k/yr OnsiteFull Time
Diaconia
Diaconia: Provides secure IT modernization and engineering for government agencies.
Provide software engineering, integration, testing, and assurance for avionics and weapon systems; familiarity with DO-178 and MIL-HDBK-516C; BS in an ABET engineering discipline; strong problem-solving and communication skills.
DO-178, MIL-HDBK-516C, Origin analyzers, Source code weakness analyzers, Binary analyzers, Software Development Plan (SDP)
2w
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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
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
3w
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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
1w
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Software Engineer/Software Developer
Fairborn, Ohio, United States
$150k/yr OnsiteFull Time
Altamira Technologies
Altamira TechnologiesNYSE: PSN: Provides data analytics and engineering for national security missions.
7+ YOE7+ years software development experience, active TS/SCI clearance, Python experience, cloud-based tool design, image processing and algorithm development, bachelor’s degree in engineering/CS, strong problem-solving and teamwork skills.
Python, Git
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
2mo
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Software Engineer Senior- Global Payments Specialist- FinTech
Cincinnati, Ohio, United States
OnsiteFull Time
Worldpay
Worldpay: Global payment processing and merchant technology solutions for businesses.
5+ YOEFive years of progressive software development experience; proficient in Java, Scala, Python; CI/CD, cloud; Spring stack; Kafka; Docker/Kubernetes; databases; TDD/BDD; security tooling.
Java, Scala, Python, Spring, Spring Boot, Hibernate, Ehcache, Hazelcast, Redis, Kafka, Docker, Kubernetes, Postgres, DynamoDB, Amazon Aurora, SonarQube, Checkmarx, Blackduck, Snyk, CI/CD, OpenTelemetry, Splunk, Terraform, Helm
2mo
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Software Engineer and Developer
Beavercreek, Ohio, United States
OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
4+ YOE4+ years software engineering; Python; AWS; NoSQL databases; API development; TS/SCI clearance; BS or MS with related experience.
Python, AWS, NoSQL, Docker, PyTorch, TensorFlow, API development
2mo
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Senior Software Reverse Engineer
Wright-Patterson AFB or Beavercreek
OnsiteFull Time
Radiance Technologies
Radiance Technologies: Engineering and technology solutions for defense and intelligence.
10+ YOE10+ years in software engineering; strong C/C++, Assembly; experience with compilers, emulation, debugging; knowledge of low-level software/hardware; TS/SCI potential; secret clearance required.
C, C++, Assembly, GCC, MSVC, CLANG, Qemu, GDB, Ollydbg, Windbg
4w
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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
2mo
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Software Engineer II
Columbus or Hamilton
OnsiteFull Time
ODW Logistics
ODW Logistics: A third-party logistics provider offering integrated warehousing and transportation solutions.
5+ YOEBachelor's degree preferred or equivalent experience, 5+ years software development, experience mentoring engineers, backend and full-stack development, REST API design, SQL, Git, and containerized environments.
Go (Golang), Angular, TypeScript, Microsoft SQL Server, SQL, Docker, Docker Swarm, Kubernetes, RabbitMQ, Redis, Datadog, Prometheus, Grafana, GitHub Actions, OpenAPI/Swagger, Git, RESTful APIs
1d
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Senior Software Engineer - FMWorkFlow
Box Elder or Dayton
OnsiteContract
Chameleon Integrated Services
Chameleon Integrated Services: Provides IT systems integration and cybersecurity for federal agencies.
Senior-level experience with WebSphere and DB2 application integration, advanced debugging/log analysis, Tier III production support, controlled test/promote processes, and DoD 8570/8140 certification.
WebSphere, DB2, Windows, Linux, CyberArk, IBM ToolSuite, FMWorkFlow