87 principal software engineer jobs at 28 companies in Hooksett, NH
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Principal Software Engineer
Bethesda or Waltham
$164k-$257k/yr HybridFull Time
8+ YOE8+ years software engineering; production-grade APIs; GraphQL; Node.js; TypeScript; Go; OAuth2/JWT; security; scalable SaaS APIs.
GraphQL, Node.js, TypeScript, Go, Jenkins, ArgoCD, Datadog, OAuth 2.0, JWT
2mo
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Principal Software Engineer
North Bethesda or Waltham
$200k-$225k/yr HybridFull Time
8+ YOE8–12+ years software development experience; strong background in system architecture, microservices, and enterprise integrations.
Python, React, TypeScript, AWS
2mo
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Principal Software Engineer
Merrimack, New Hampshire, United States
$118k-$201k/yr OnsiteFull Time
10+ YOEActive Secret clearance, Bachelor's in CS/CE + 10+ years (or equivalent) experience, embedded C/C++ development on Linux, Python scripting, Agile/DevSecOps and CI/CD, software testing/verification, and strong communication and team leadership skills.
C++, C, Python, Linux, Jira, Confluence, Bitbucket, Git, CI/CD
2mo
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Principal Software Engineer
Tewksbury, Massachusetts, United States
$108k-$205k/yr OnsiteFull Time
8+ YOEU.S. citizenship and ability to obtain Interim Secret clearance; typically a STEM bachelor’s with 8+ years (or advanced degree with 5+ years); strong C/C++ (or Java) and Unix/Linux experience; embedded/real-time systems, multithreading, and performance optimization skills.
C/C++, Java, Unix/Linux, tcsh, csh, bash, Git, ClearCase, VxWorks, Integrity, Agile, Scrum
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
4w
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Principal Software Engineer
Burlington, Massachusetts, United States
$178k-$230k/yr HybridFull Time
10+ YOE2+ MgmtBachelor's in CS/CE or equivalent, 10 years professional software engineering experience with strong Java, object-oriented design, database and automation skills; 2 years technical leadership; experience with cloud projects and CI/CD tools.
Java, C#, React, SQL, SQL Server, PowerShell, Jenkins, GIT, JavaScript, SOAP, REST, XML, JSON, Azure
3w
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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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Principal Software Engineer – Algorithm Team
Merrimack, New Hampshire, United States
$118k-$201k/yr OnsiteFull Time
6+ YOEBachelor's in CS/CE +6 yrs (or Master's +4 yrs); current/obtainable Secret clearance; expertise in ML/algorithm development, embedded or application software, C++/Python/Java; strong communication and software engineering practices.
C++, Python, Java, CUDA, Open CL
1mo
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Principal Embedded Software Engineer
Westford, Massachusetts, United States
$117k-$196k/yr HybridFull Time
10+ YOEBachelor's in engineering or CS, 10+ years embedded software experience, strong C/C++, RTOS and Embedded Linux expertise, microcontroller and protocol knowledge, debugging and version control proficiency.
C, C++, RTOS, Embedded Linux, FreeRTOS, VxWorks, QNX, ThreadX, GitHub, CI/CD, oscilloscope, logic analyzer, Ethernet, TCP/IP, CAN/CAN-FD, SPI, I2C, UART, USB
2mo
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Principal Embedded Software Engineer
Burlington, Massachusetts, United States
$180k-$200k/yr OnsiteFull Time
8+ YOE8+ years embedded software, C++ on Linux/Raspberry Pi, real-time, safety-critical, hardware-software integration; robotics experience preferred.
C++, Raspberry Pi, Linux, Real-time, Embedded
1mo
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Principal Software Engineer (Python)
Hinjewadi or Pune or Burlington or Europe or Asia or North America
HybridFull Time
8+ YOEBachelor's in Engineering/CS, 8+ years experience (5+ with Python), strong OO design, experience building AI agents, CI/CD, cloud, containers, databases, excellent communication and problem-solving skills.
Python, Java, git, Bamboo, Jenkins, JSON, XML, HTTP, RESTful, PostgreSQL, MySQL, Kubernetes, K8s, Docker, Envoy, Terraform, Azure, AWS, CICD
2w
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Principal Embedded Software Engineer
Bedford, Massachusetts, United States
$180k-$220k/yr OnsiteFull Time
12+ YOE12+ years embedded software experience, proficiency in C/C++, RTOS, hardware-level debugging, bench-level electromechanical integration, leadership and mentoring, degree in CS/EE/related.
ARM Cortex-M, C, C++, Python, C#, RTOS, oscilloscopes, logic analyzers, JTAG/SWD, SPI, I2C, CAN, UART, USB, IEC 62304, Git, JIRA
1mo
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Principal Radar Software Engineer
Burlington, Massachusetts, United States
$175k-$210k/yr HybridFull Time
10+ YOEDegree in EE/CE/Physics/CS, 10+ years building radar/RF/signal-processing systems, strong C++ (Python a plus), ability to translate algorithms into production software, US work authorization required; clearance may be needed.
C++, Python, FPGAs
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
2mo
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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
4d
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Sr Principal C++ Software Engineer
Burlington or United States
$140k-$260k/yr OnsiteFull Time
10+ YOEStrong C++ software development, C/C++ and STL programming, data structures, algorithms, complexity and performance tradeoffs, plus a BS with 10, MS with 7, or PhD with 5 years of experience.
C++, C, STL, C++23, Linux, TCP/IP
1w
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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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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
1mo
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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
1mo
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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
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