72 principal software engineer jobs at 19 companies in Dover, NH
3mo
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Principal Software Engineer
Westlake or Merrimack
HybridFull Time
4+ YOEBachelor’s degree preferred; 4+ years software engineering; strong Python/Java, AWS, CI/CD, Spring Boot, SQL; experience with automation, AI-assisted code, and mentoring.
Python, Java, Spring Boot, AWS, EKS, Docker, REST, Maven, JSON, Tomcat, Swagger, Message Queues, Concourse, Git, Jenkins, Artifactory, Veracode, uDeploy, Selenium, Cucumber, FitNesse, Oracle, SQL
2mo
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Principal Software Engineer
Westlake or Merrimack
OnsiteFull Time
8+ YOEBachelor's degree and 8+ years of software engineering experience. Requires Python or Java, cloud and containerization experience, CI/CD, automation frameworks, SQL, and strong analytical communication skills.
Python, Java, Spring Boot, AWS, EKS, Docker, Spring, REST, Web Services, Maven, JSON, Apache Tomcat, Swagger, Message Queues, Selenium, Cucumber, FitNesse, SQL, Oracle, Concourse, GIT, Jenkins, Artifactory, Veracode, uDeploy
3d
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Principal Software Engineer
Columbus or Plano or Indianapolis or Boston or Portsmouth
HybridFull Time
8+ YOERequires 8+ years of software engineering experience, enterprise architecture and technical leadership, distributed systems, cloud-native development, security, testing, DevOps, and a technical or business degree or equivalent experience.
JavaScript, TypeScript, React, Node.js, Next.js, Java, Micro Frontends, HTML/CSS, AWS, CDK, GitHub Actions, OAuth 2.0, OpenID Connect, Playwright, JMeter, Datadog, Splunk, Microsoft Bridgeway
2d
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Principal Software Engineer
Plano or Boston or Portsmouth or Indianapolis or Columbus or United States or Los Angeles or Philadelphia or San Francisco
$137k-$257k/yr HybridFull Time
8+ YOERequires 8+ years of software engineering experience, enterprise architecture and technical leadership, distributed systems expertise, cloud-native development, and proficiency with JavaScript/TypeScript, React, Node.js, and related tools.
JavaScript, TypeScript, React, Node.js, Next.js, Java, HTML/CSS, Micro Frontends, AWS, CDK, GitHub Actions, OAuth 2.0, OpenID Connect, OWASP Top 10, Playwright, JMeter, Datadog, Splunk, Bridgeway, MFE, CI/CD, DevOps, SecOps, Generative AI
4d
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Principal Software Engineer (Sign On Bonus Available)
Merrimack, New Hampshire, United States
$118k-$201k/yr OnsiteFull Time
10+ YOEBachelor’s degree or equivalent experience, 10+ years of experience, active Secret clearance, C/C++ embedded development, software testing, Agile/DevSecOps, CI/CD, and technical team leadership.
C++, Linux, Python, Jira, Confluence, Bitbucket, Git, CI/CD
1mo
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Principal Software Engineer
Wilmington, Massachusetts, United States
$144k-$216k/yr OnsiteFull Time
8+ YOE3+ MgmtBachelor's degree or equivalent,8+ years quality engineering experience,3+ years technical leadership,proficiency in test automation,CI/CD,API testing,Agile.
Java, Python, C#, JavaScript, Selenium, Cypress, Playwright, Appium, RestAssured, MS Copilot, Jenkins, GitHub Actions, Azure DevOps, JMeter, Gatling, k6, Docker, Kubernetes, AWS, Azure
1mo
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Sr Principal Software Engineer
Nashua or Austin
$133k-$226k/yr OnsiteFull Time
8+ YOESecret clearance (recent or obtainable), strong C++, embedded/software development, OOP, testing/verification, familiarity with containers and DevSecOps, typically 8+ years experience.
C++, containers, DevSecOps
3mo
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Principal Engineer (Control Systems)
North Andover or United States
$115k-$135k/yr HybridFull Time
5+ YOEDesign, develop, test and maintain real-time embedded control software for medical devices; 5+ years in complex software-driven electro-mechanical systems; proficiency in MATLAB/Simulink, C/C++, Python; bachelor’s degree in engineering.
MATLAB, Simulink, StateFlow, C, C++, Python, Linux, Simulink Coder, Simscape
1mo
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Principal Software Engineer/Architect
Lowell, Massachusetts, United States
$164k-$236k/yr HybridFull Time
10+ YOE10+ years software development experience, proven architect experience, Java and cloud expertise, observability and CI/CD experience, experience with databases, analytics, messaging, and LLM/AI technologies; BS/MS in CS or equivalent.
Java, Datadog, Grafana, GCP, AWS, Azure, Kubernetes, SQL Server, PostGres, MySQL, MongoDB, Cassandra, BigQuery, Snowflake, Tableau, Looker, Kafka, RabbitMQ, Apache Beam, Spark, Boomi, LLM
3w
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Principal Software Engineer (Sign-on bonus available)
Nashua, New Hampshire, United States
OnsiteFull Time
6+ YOEBachelor's in CS/CE,6+ years' software engineering experience,proficient in C++,experience with testing/verification,ability to obtain/hold Secret clearance.
C++, GIT, Jira, Bitbucket, Visual Studio, Confluence, ClearCase, Linux
1w
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Sr. Principal Software Engineer
Pelham, New Hampshire, United States
$132k-$252k/yr OnsiteFull Time
10+ YOEBachelor's degree in a STEM field and 10 years of relevant experience; C or C++, Linux or real-time operating systems, multithreaded applications, UI/UX, and active Secret clearance required.
C, C++, Linux, VxWorks, Agile, Scrum, DevSecOps, VxWorks Workbench, Tornado, ClearCase, Git, Microsoft Windows, DOORS, MATLAB, UDP/IP, TCP/IP
3w
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Principal Embedded Software Engineer – APKWS
Hudson, New Hampshire, United States
HybridFull Time
6+ YOEBachelor's in CS/CE or related and 6+ years experience, strong C/C++ skills, RTOS and embedded development, hardware-software co-design, low-power SBC experience, ability to obtain Secret clearance.
C, C++, RTOS
2mo
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Principal Embedded Software Engineer
Ashburn or Boston or Nashua or Tewksbury
$125k-$175k/yr OnsiteFull Time
10+ YOEU.S. citizenship and active DoD clearance required. Bachelor's in EE or CE with 10+ years' experience. Hands-on C/C++, Linux/VxWorks, device drivers, bootloaders, scripting, Python, LabVIEW, and embedded development tools. Strong troubleshooting and documentation skills.
C, C++, Linux, Red Hat, LynxOS, Wind River, VxWorks, bash, csh, Python, LabVIEW, IPMI, Visual Studio, Eclipse, Vivado, Vitis, PetaLinux, GCC, CMake, Yocto, U-Boot, BIOS, SlimBootLoader, Microsoft Office
2mo
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Principal / Senior Software Engineer (C++, Linux)
Salem, New Hampshire, United States
OnsiteFull Time, Contract
Strong C++ and Linux experience, Python scripting familiarity, microservices (REST APIs, MQTT), production distributed systems support, debugging, releases, and technical documentation skills.
C++, Python, Linux, REST APIs, MQTT
2mo
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Principal Software Engineer, Semantic Data Services
Portland or San Francisco or Chicago or Boston
$201k-$250k/yr OnsiteFull Time
12+ YOE12+ years building and scaling large data platforms; expertise in distributed systems, data acquisition, semantic modeling, data lifecycle, and cross-domain architecture; strong leadership and communication.
Spark, Iceberg, Kafka, Delta, DBT, Ray, Airflow, Dagster, Flink
1w
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Principal C++ 2D/3D Software Developer
Portland, Maine, United States
$151k-$247k/yr OnsiteFull Time
8+ YOE8+ years of C++ and 2D/3D computer graphics experience; advanced graphics expertise; bachelor's degree in computer science, computer engineering, or related field; strong problem-solving and communication skills.
C++, DirectX, OpenGL, Vulkan, GLSL, HLSL, PDF, SVG, JPEG, PNG, ArcGIS
1mo
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Principal Cloud Developer
Andover or Houston or Durham or Fort Collins or Roseville
$152k-$349k/yr HybridFull Time
10+ YOEBachelor's degree in CS/engineering,10+ years experience,expertise in software design,programming (Python,Java,Golang,JavaScript),cloud security and architecture,mentoring and technical leadership.
Python, Java, Golang, JavaScript
1mo
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Principal Engineer – Autonomous Systems
Gulfport or Durham or Baton Rouge or Columbia
OnsiteFull Time
6+ YOEU.S. citizen able to obtain DoD Secret clearance; advanced degree with substantial experience (BS+10/MS+8/PhD+6); expertise in maritime or adjacent autonomy, modern software engineering, and production research coding.
Git, CI/CD, Python, C++, Rust, PyTorch, TensorFlow, Gazebo, Isaac Sim, MOOS-IvP
2mo
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Principal Platform Engineer (DevOps)
Westbrook, Maine, United States
$120k-$140k/yr HybridFull Time
8+ YOE8+ years in platform engineering, DevOps, or infrastructure software engineering; expert AWS Organizations, GitHub Enterprise, Terraform Cloud, CloudFormation, and Python skills; mentoring and agile collaboration experience.
Amazon Web Services, AWS Organizations, GitHub Enterprise, Terraform Cloud, JFrog Artifactory, Python, CloudFormation, Git, AWS Control Tower, AWS Config, AWS Security Hub, CloudFormation StackSets, Sentinel, OPA/Rego, Entra ID, Azure AD, Backstage, AWS Service Catalog, GitHub Actions, IAM
1mo
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Principal Systems Engineer-Future Opportunity
Merrimack, New Hampshire, United States
OnsiteFull Time
9+ YOEBachelor's in engineering, 9+ years electro-mechanical systems experience, hardware/software integration, onsite daily presence, experience with multidisciplinary requirements and FDA/ISO processes.
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