7 principal software engineer jobs at 6 companies in Dover, DE

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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Principal Software Engineer, Field Engineering
Aberdeen Proving Ground, Maryland, United States
$160k-$220k/yr OnsiteFull Time
Raft
Raft: Builds AI and data platforms for U.S. national defense.
5+ YOE5+ years hands-on software engineering; active Secret clearance; backend Go/Java/Rust; DevSecOps; Kubernetes; Bash/Python; Army-domain knowledge; customer-facing; Security+ readiness; willing to relocate to APG.
Go, Java, Rust, Kubernetes, Helm, CI/CD, Infrastructure as Code, Bash, Python, RMF
2mo
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Sr. Principal Software Engineer
Wilmington or Columbus
OnsiteFull Time
JPMorgan Chase
JPMorgan ChaseNYSE: JPM: Global financial services firm providing banking and investment solutions.
Extensive experience in system design, application development, testing, and operations; expert in one or more programming languages; cloud-native, scalable systems; strong leadership and communication.
Java, Python, C++, Cloud, Kubernetes, CI/CD
3w
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Principal Software Engineer - AI Engineer
Jersey City or Wilmington or Palo Alto
$204k-$285k/yr OnsiteFull Time
JPMorgan Chase
JPMorgan ChaseNYSE: JPM: Global financial services firm providing banking and investment solutions.
7+ YOE7+ years software engineering experience; strong Python and PyTorch/TensorFlow; experience with vector storage, agentic AI and LLM deployment, MLOps and CI/CD, cloud (AWS or Azure); leadership and responsible AI practices.
Python, PyTorch, TensorFlow, Vector storage systems, CI/CD, MLOps, AWS, Azure, LLM Suite
1mo
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Sr. Principal Cyber Software Engineer
Annapolis Junction or San Antonio or Aurora or Carey
$149k-$235k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
8+ YOEBachelor's degree in computer science, information systems, or network engineering with 8+ years experience; strong C/C++, Java, Python; CNO tools; Windows/.NET and Unix/Linux development.
C, C++, Java, Perl, Python, Visual Studio, NET, Unix/Linux, Makefiles
1mo
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Principal Software Engineer
Annapolis Junction, Maryland, United States
$215k-$250k/yr OnsiteFull Time
Envision Innovative Solutions
Envision Innovative Solutions: Provides technical engineering and mission support to government agencies.
12+ YOETwelve years SWE experience; BS in CS; frontend React; Node.js/Rust; Python; Shell; Kubernetes; microservices; multi-site apps; cloud migration.
JavaScript, TypeScript, React, Node.js, Rust, Python, Shell, Kubernetes, Microservices, Cloud
1mo
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Principal Embedded Software Engineer
Newark or Marlborough
$139k-$232k/yr HybridFull Time
Hologic
HologicNASDAQ: HOLX: Develops medical technology for women's healthcare and diagnostics.
12+ YOEExtensive embedded systems experience (RTOS, low-level firmware, device drivers), expert C/C++ and assembly skills, hardware/software integration, leadership and mentoring experience, familiarity with communication protocols (SPI, I2C, UART, CAN) and regulated medical device environments.
FreeRTOS, QNX, Zephyr, C, C++, Assembly, SPI, I2C, UART, CAN, Git, Perforce, Microsoft Azure DevOps, SVN, DICOM, HL7
2mo
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Principal Full Stack Software Engineer (Partial Telework)
Annapolis Junction, Maryland, United States
$200k-$280k/yr HybridFull Time
GliaCell Technologies
GliaCell Technologies: Software and systems engineering for the intelligence community.
20+ YOEActive TS/SCI with Poly; US Citizenship; 20+ years software engineering; BS CS or related; 4 years exp may substitute for degree; strong backend/full-stack skills with AWS stack.
Java, SpringBoot, JavaScript, JMS, MongoDB, AWS, Docker, Kubernetes, Elasticsearch, CockroachDB, REST, Node, Svelte, React, Angular, Confluence, Jira, Maven, Git