94 principal software engineer jobs at 32 companies in Durham, NH

3mo
Save
Mark Applied
Hide
Principal Software Engineer
Westlake or Merrimack
HybridFull Time
Fidelity Investments
Fidelity Investments: Provides investment management, retirement planning, and brokerage services.
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
Save
Mark Applied
Hide
Principal Software Engineer
Westlake or Merrimack
OnsiteFull Time
Fidelity Investments
Fidelity Investments: Provides investment management, retirement planning, and brokerage services.
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
2d
Save
Mark Applied
Hide
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
Liberty Mutual
Liberty Mutual: Provides diversified property, casualty, and commercial insurance products.
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
3d
Save
Mark Applied
Hide
Principal Software Engineer
Columbus or Plano or Indianapolis or Boston or Portsmouth
HybridFull Time
Liberty Mutual
Liberty Mutual: Provider of global property and casualty insurance products.
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
1mo
Save
Mark Applied
Hide
Principal Software Engineer
Burlington, Massachusetts, United States
$178k-$230k/yr HybridFull Time
State Street
State StreetNYSE: STT: Provides investment servicing and management to institutional investors.
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
3d
Save
Mark Applied
Hide
Principal Software Engineer (Sign On Bonus Available)
Merrimack, New Hampshire, United States
$118k-$201k/yr OnsiteFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Provides advanced defense, aerospace, and security technology solutions.
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
Save
Mark Applied
Hide
Principal Software Engineer
Wilmington, Massachusetts, United States
$144k-$216k/yr OnsiteFull Time
Onto Innovation
Onto InnovationNYSE: ONTO: Provides metrology and inspection solutions for semiconductor manufacturers.
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
Save
Mark Applied
Hide
Principal Embedded Software Engineer
Westford, Massachusetts, United States
$117k-$196k/yr HybridFull Time
Johnson Controls
Johnson ControlsNYSE: JCI: Provides integrated building technologies including HVAC, fire, and security systems.
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
1mo
Save
Mark Applied
Hide
Sr Principal Software Engineer
Nashua or Austin
$133k-$226k/yr OnsiteFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Designs and manufactures advanced defense and aerospace systems.
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
2mo
Save
Mark Applied
Hide
Principal Embedded Software Engineer
Burlington, Massachusetts, United States
$180k-$200k/yr OnsiteFull Time
10Beauty
10Beauty: Manufacturer of autonomous manicure robots for professional beauty services.
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
2w
Save
Mark Applied
Hide
Principal Software Engineer
Woburn, Massachusetts, United States
$108k-$205k/yr OnsiteFull Time
RTX
RTXNYSE: RTX: RTX provides advanced aerospace and defense systems and services.
8+ YOEU.S. citizenship and active transferable Secret clearance, Bachelor’s in STEM and ~8 years experience, proficiency in C/C++/Ada, agile/DevSecOps, CI/CD, debugging and mentoring skills.
C, C++, Ada, Bitbucket, Artifactory, JIRA, Confluence, Jenkins, Eclipse, Ansible, Red Hat Enterprise Linux, CI/CD, DevSecOps
2mo
Save
Mark Applied
Hide
Principal Software Engineer (Python)
Hinjewadi or Pune or Burlington or Europe or Asia or North America
HybridFull Time
Cerence
CerenceNASDAQ: CRNC: Develops AI-powered voice assistants and software for automotive vehicles.
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
1mo
Save
Mark Applied
Hide
Principal Embedded Software Engineer
Bedford, Massachusetts, United States
$180k-$220k/yr OnsiteFull Time
Lexington Medical
Lexington Medical: Designs and manufactures minimally invasive surgical stapling devices.
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
2mo
Save
Mark Applied
Hide
Principal Radar Software Engineer
Burlington, Massachusetts, United States
$175k-$210k/yr HybridFull Time
MatrixSpace
MatrixSpace: AI-powered radar systems for airspace safety and drone detection.
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
3mo
Save
Mark Applied
Hide
Principal Engineer (Control Systems)
North Andover or United States
$115k-$135k/yr HybridFull Time
Fresenius Kabi
Fresenius Kabi: Provides lifesaving medicines and technologies for clinical care.
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
Save
Mark Applied
Hide
Principal Software Engineer/Architect
Lowell, Massachusetts, United States
$164k-$236k/yr HybridFull Time
UKG
UKG: Provider of workforce management and human capital management software.
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
Save
Mark Applied
Hide
Principal Software Engineer (Sign-on bonus available)
Nashua, New Hampshire, United States
OnsiteFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA.: Produces advanced defense, aerospace, and information security systems.
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
2w
Save
Mark Applied
Hide
Sr Principal C++ Software Engineer
Burlington or United States
$140k-$260k/yr OnsiteFull Time
Cadence Design Systems
Cadence Design SystemsNASDAQ: CDNS: Develops computational software and hardware for electronic system design.
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
3w
Save
Mark Applied
Hide
Principal Embedded Software Engineer – APKWS
Hudson, New Hampshire, United States
HybridFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Designs and manufactures advanced defense and aerospace systems.
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
Save
Mark Applied
Hide
Principal Embedded Software Engineer
Ashburn or Boston or Nashua or Tewksbury
$125k-$175k/yr OnsiteFull Time
Curtiss-Wright
Curtiss-WrightNYSE: CW: Engineers and manufactures critical components for aerospace and defense.
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