40 principal engineer software development jobs at 19 companies in Hagerstown, MD
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Principal Engineer-Software Development
Irving or Alpharetta or Ashburn or Temple Terrace or Basking Ridge
$121k-$231k/yr HybridFull Time
6+ YOEBachelor's degree or equivalent experience and 6+ years of relevant experience. Requires Java, Spring Boot, JavaScript/TypeScript, React, software architecture, microservices, REST APIs, and distributed systems expertise.
Java, Spring Boot, React, JavaScript, TypeScript, Apigee, Kibana, GIT, Jenkins, AWS, GCP, Azure, Docker, Kubernetes, Kafka, SQS, Kinesis, RabbitMQ, Redis
1w
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Principal Engineer-Software Development
Irving or Alpharetta or Ashburn or Temple Terrace or Basking Ridge
$121k-$231k/yr HybridFull Time
6+ YOEBachelor's degree or 4+ years' experience and 6+ years of relevant experience. Requires Java, Spring Boot, JavaScript/TypeScript, React, software architecture, microservices, REST APIs, and distributed systems expertise.
Java, Spring Boot, React, JavaScript, TypeScript, Apigee, Kibana, GIT, Jenkins, AWS, GCP, Azure, Docker, Kubernetes, Kafka, SQS, Kinesis, RabbitMQ, Redis
1w
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Principal Engineer-Software Development
Irving or Alpharetta or Ashburn or Temple Terrace or Basking Ridge
$121k-$231k/yr HybridFull Time
6+ YOEBachelor's degree or 4+ years' experience and 6+ years of relevant experience. Requires Java, Spring Boot, JavaScript or TypeScript, React, architecture, microservices, REST APIs, and distributed systems expertise.
Java, Spring Boot, React, JavaScript, TypeScript, Apigee, Kibana, GIT, Jenkins, AWS, GCP, Azure, Docker, Kubernetes, Kafka, SQS, Kinesis, RabbitMQ, Redis
3mo
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Principal Software Automation Engineer
Gaithersburg, Maryland, United States
$117k-$178k/yr HybridFull Time
7+ YOEBachelor's or higher in a related field; 7+ years of automation software design; experience with industrial robots/PLCs, C#/.NET or Java/C++, XML/SQL, MATLAB; hardware/software integration; machine vision preferred.
C# .Net, Java, C++, XML, SQL, MATLAB, PLC, Ladder Logic, Structured Text, Machine Vision, GPUs, Networking
2w
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Principal Software Engineer
Colorado Springs or Dayton or Herndon
$175k-$200k/yr HybridFull Time
Software development experience with Unix/Linux, microservices, messaging, REST APIs, Agile/DevOps, Python, Java, JavaScript/React, and Cucumber; ability to obtain and maintain Top Secret clearance.
Unix, Linux, RabbitMQ, REST APIs, Agile, DevOps, Python, Java, JavaScript, React, Cucumber, CI/CD, GitHub, GitLab, Jira, Sphinx, NASA GMAT
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Principal Software Engineer
Germantown, Maryland, United States
$190k-$225k/yr OnsiteFull Time
10+ YOEBachelor's in engineering or CS, 10+ years software experience including embedded systems, image/video processing, real-time/microsecond control, proficiency in C/C++, and strong hardware collaboration and mentoring skills.
C/C++, continuous integration, DevOps
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Principal Software Engineer
Ashburn, Virginia, United States
HybridFull Time
8+ YOE8+ years embedded software experience (or 6+ with MS), strong C and C++, embedded systems and debugging, Unix/Linux proficiency, unit testing, ability to work with hardware teams; eligible for DOD security clearance.
C, C++, Unix, Linux, yocto, JIRA, Confluence, Git
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Principal Software Engineer
Ashburn or Massachusetts
OnsiteFull Time
5+ YOEBachelor's in EE/Comp Eng (or equivalent), 5+ years experience, strong C, Linux/VxWorks, device driver and firmware/BIOS development, hardware verification, familiarity with git/svn and JIRA, secret clearance desirable.
C, Linux, VxWorks, Yocto Linux, Xilinx PetaLinux, git, svn, JIRA
2mo
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Principal Software Developer - TS/SCI
Herndon or Chantilly
$148k-$267k/yr OnsiteFull Time
10+ YOEBachelor's in EE/CS/CE, active Top Secret/SCI clearance, 10+ years software development experience (8+ in Linux, 6+ with Python and C/C++), strong algorithms/data-structure skills, and Git experience.
Python, C/C++, Linux, Amazon Web Services (AWS), Docker, Kubernetes, PyTorch, TensorFlow, Git, X-Midas, OpenCV, Keras, Qt/PyQt, Android, Gitlab CI/CD, CUDA
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Principal Software Engineer
Herndon or Columbia
OnsiteFull Time
TS/SCI clearance required; bachelor's in CS or equivalent experience; experience with Python or GoLang, Kubernetes, containerization (Docker/Podman), GitOps/CI/CD/IaC, and modern DevSecOps practices; architecture and mentoring experience.
Python, GoLang, Kubernetes (K8s), CI/CD, IaC, GitOps, Docker, Podman, Crossplane, Backstage, DevSecOps, Microsoft Azure, Amazon Web Services (AWS)
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Principal Engineer
United States or Herndon
$160k-$190k/yr OnsiteFull Time
8+ YOERequires 8+ years of software engineering experience, large-scale distributed systems expertise, backend development with Java or Go, APIs, cloud platforms, data stores, caching, CI/CD, and strong communication skills.
Java, Go, REST, gRPC, CI/CD, DNS, Motivosity, LinkedIn Learning
2mo
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(USA) Principal, Software Engineer, Information Security
Bentonville or Herndon
$110k-$220k/yr OnsiteFull Time
5+ YOEBachelor's degree in a relevant field and 5 years of software engineering experience, or 7 years of related experience; expertise in Java, Python, security, cloud, automation, and DevSecOps.
Java, Python, Public Key Infrastructure (PKI), Hardware Security Modules (HSM), CI/CD, AWS, Microsoft Azure, Google Cloud Platform (GCP), Kubernetes, Docker, cert-manager, ACME, Terraform, Ansible, CloudFormation, API
1mo
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Principal / Sr. Principal AI Software Engineer
Dulles or Colorado Springs or El Segundo
$138k-$258k/yr OnsiteFull Time
5+ YOEU.S. citizenship and active DoD Top Secret clearance with ability to obtain SCI/SAP; 5+ years AI engineering experience (RL/SL/ML); proficiency coding in Python,C/C++,CUDA; simulation and physics-based autonomy experience.
Python, JAX, PyTorch, C/C++, CUDA, MATLAB/Simulink, Windows, Linux
2mo
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(USA) Principal, Software Engineer, Information Security
Bentonville or Herndon
$110k-$264k/yr OnsiteFull Time
5+ YOEBachelor's in related field +5 years or 7 years' software engineering experience. Expertise in Java and Python, PKI/HSM, cloud platforms, CI/CD, cert-manager/ACME, Terraform/Ansible/CloudFormation, and API development.
Java, Python, Public Key Infrastructure, Hardware Security Modules, AWS, Azure, GCP, Kubernetes, cert-manager, ACME, Terraform, Ansible, CloudFormation, CI/CD, API
1d
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Principal Software Engineer, AI Agents & Generative AI
Herndon or United States or Colorado or New Jersey or Delaware or Washington or California
$150k-$220k/yr HybridFull Time
7+ YOEBachelor's degree in a relevant field, 7 years of relevant technology experience, U.S. citizenship, cloud data and ML pipeline knowledge, and software development experience with Python or JavaScript.
Google Cloud, Google ADK, LangChain, LangGraph, GPT-4, Claude, Gemini, Codex, Gemini CLI, Claude Code, Python, JavaScript, AWS, GCP, CI/CD
1mo
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Principal Software Developer Architect
Herndon, Virginia, United States
$180k-$200k/yr RemoteFull Time
10+ YOE10+ years software development and system architecture experience; Bachelor's (or Master's with 5+ years); Azure/AWS/cloud and DevOps experience; Agile/SCRUM; strong communication and problem-solving; ability to obtain Public Trust clearance.
Azure, AWS, Azure DevOps, ALM, Microsoft Office Word, Microsoft Excel, Microsoft PowerPoint, Microsoft SharePoint, RichFaces, PrimeFaces
3w
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Principal Software Engineering Lead (eCOA) - Evinova
Gaithersburg, Maryland, United States
$166k-$217k/yr HybridFull Time
8+ YOE3+ MgmtBachelor's/Master's in CS or engineering (or equivalent),8+ years software engineering,3+ years leading teams,proficiency with React/React Native,Node.js/Java,AWS,and AI-assisted development tools;regulated software experience preferred.
React, React Native, Node.js, Java, AWS, GitHub Copilot, Claude, Cursor
3mo
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Senior Principal Cyber Software Engineer (iOS)
Sterling, Virginia, United States
OnsiteFull Time
10+ YOETS/SCI/Top Secret clearance; 10+ years C/C++ on Unix/Linux; iOS development; Objective-C; Unix features; reverse engineering tools like Hex-Rays and Ghidra.
iOS, C/C++, Unix/Linux, Objective-C, Ghidra, Hex-Rays, Corellium, Docker, Git
1d
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Principal Software Engineer - Radar Modeling (Onsite)
Sterling, Virginia, United States
$118k-$225k/yr OnsiteFull Time
8+ YOESTEM degree with 8+ years of relevant experience or advanced degree with 5+ years; radar software expertise; C/C++ and object-oriented programming; leadership experience; ability to obtain DoD clearance.
C, C++, Wireshark, Agile
2mo
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Senior Principal Software Engineer (Frederick, MD, US, 21703)
Frederick, Maryland, United States
OnsiteFull Time
10+ YOEBachelor's in engineering, 10+ years experience, mastery of multiple engineering disciplines, ability to design/develop/debug software/systems (real-time, firmware, signal processing, databases, OS), lead projects, mentor engineers, and support business development.
Image and Signal Processing, Real-time, Firmware, Nuclear/Hi-Rel, FAA Certified, Database Design, Operating Systems, compilers, routers, networks, databases, Internet-related tools