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Principal Software Engineer Jobs in the United States

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Jobs

Principal Software Engineer - Java Middle Layer Northrop Grumman Corp

San Diego, CA

$114,000–$171,000 / year

Basic Qualifications: Bachelor's Degree in a STEM (Science, Technology, Engineering or Mathematics) discipline and 5 years of related engineering experience; OR a Master's degree in a STEM discipline and 3 years of related engineering experience. The above salary range represents a general guideline; however, Northrop Grumman considers a number of factors when determining base salary offers such as the scope and responsibilities of the position and the candidate''s experience, education, skills and current market conditions.

30+ days ago

Sentinel Principal Software Engineer - 20421 Northrop Grumman Corp

Roy, UT

$98,400–$147,600 / year

The above salary range represents a general guideline; however, Northrop Grumman considers a number of factors when determining base salary offers such as the scope and responsibilities of the position and the candidate''s experience, education, skills and current market conditions. Demonstrated expertise soliciting input from internal and external stakeholders, synthesizing data, and communicating complex results to technical and non-technical stakeholders at various levels.

1 day ago

Software Engineer/ Principal Software Engineer Northrop Grumman Corp

Rome, NY

$83,400–$125,200 / year

Principal Software Engineer (level 3): A high school diploma with a minimum of 9 years of software development experience, a bachelor's degree in Computer Science or a related STEM field with a minimum of 5 years of software development experience, or a master's degree in Computer Science or a related STEM field with a minimum of 3 years of software development experience. Basic qualifications: Software Engineer (level 2): A high school diploma with a minimum of 6 years of software development experience, a bachelor's degree in Computer Science or a related STEM field with a minimum of 2 years of software development experience, or a master's degree in Computer Science or a related STEM field with 0 years of experience.

1 day ago

Principal Software Engineer - Integration and Test Northrop Grumman Corp

San Diego, CA

$114,000–$171,000 / year

Basic Qualifications: Bachelor's Degree in a STEM (Science, Technology, Engineering or Mathematics) discipline and 5 years of related engineering experience; OR a Master's degree in a STEM discipline and 3 years of related engineering experience; OR a PhD in a STEM discipline and 1 year of related engineering experience. Facilitate collaboration with software developers, system engineers, hardware engineers, and integration/test engineers to diagnose and identify the root cause of problems found during software installation, integration, acceptance test, and operational events.

1 day ago

Principal Software Engineer Labcorp Holdings Inc

Durham, NC

As we shape the future of healthcare, we are leveraging advanced technologies, intelligent digital solutions and data-driven innovation across our operations to enhance how work gets done and deliver greater value to customers and patients. Labcorp is a global leader in laboratory services, providing the insights and answers that help healthcare providers, patients, researchers, pharmaceutical companies and health systems make confident decisions and improve outcomes.

30+ days ago

Principal Software Engineer- Flight Systems FS Studio

Denver, Colorado

A fast-growing space-technology company is seeking a Principal Software Engineer to lead architecture and development of ground and flight software for lunar and deep-space missions. Develop flight software (cFS, embedded Linux), ground systems (Python, modern web frameworks), and cloud/embedded ML or autonomy systems.

30+ days ago

Principal Ground Support Equipment (GSE) Software Engineer Trident Systems Inc

Sterling, VA

$111,000–$206,000 / year

You will collaborate closely with the Lead Test Systems Engineer, Integration & Test engineers, the Engineering Systems Integration Engineer, and other cross-functional stakeholders to ensure the GSE software platform aligns with organizational needs and supports long-term engineering infrastructure. However, employees who have access to the compensation information of other employees or applicants as a part of their essential job functions cannot disclose the pay of other employees or applicants to individuals who do not otherwise have access to compensation information, unless the disclosure is (a) in response to a formal complaint or charge, (b) in furtherance of an investigation, proceeding, hearing, or action, including an investigation conducted by the employer, or (c) consistent with the contractor's legal duty to furnish information.

23 days ago

Software Engineer Lead Principal Science Applications International Corp

Lakehurst, NJ

$120,001–$160,000 / year

Continuous Integration and Continuous Deployment (CI/CD) Engineer or DevOps Engineer: Design and Implement CI/CD Pipelines: Create and maintain automated workflows for building, testing, and deploying code using tools like Jenkins, GitHub Actions, or Azure DevOps to compile, build, test, and deploy applications. Our robust portfolio of offerings across the defense, space, intelligence, and civilian markets includes secure high-end solutions in mission IT, enterprise IT, engineering services, and professional services.

30+ days ago

Associate Principal Software Engineer, AI Onboarding Saviynt Inc

San Francisco, CA

$220,000–$225,000 / year

In a world of digital transformation, where organizations are faced with increasing cyber risk but cannot afford defensive measures to slow down progress, Saviynt's Enterprise Identity Cloud gives customers unparalleled visibility, control and intelligence to better defend against threats while empowering users with right-time, right-level access to the digital technologies and tools they need to do their best work. Strong Experience as a Java Engineer developing applications based on Security principles, cloud platforms (AWS, Azure, or Google Cloud) and Containerization (Docker, Kubernetes).

30+ days ago

Sr Principal / Architect Engineer Software - Backend, Alerting (Chronosphere) Palo Alto Networks

San Francisco, California

Design, implement, and deliver complex product features that address key customer pain points, collaborating closely with cross-functional teams—including product management, design, and engineering—to ensure alignment and impact throughout the development lifecycle. For candidates who receive an offer at the posted level, the starting base salary (for non-sales roles) or base salary + commission target (for sales/com-missioned roles) is expected to be the annual range listed below.

30+ days ago

Senior Software Engineer, Infra/Systems Convex

San Francisco, California

If you like the idea of designing a new storage layer that minimizes B-tree churn, or coming up with an API for managing ephemeral state that might disappear if a node restarts, or setting all that aside for a week and landing something simple and pragmatic because we’re a startup and need to ship, you’re going to like it here. Convex has assembled a team of engineers who have built and designed some of the largest platforms in the world, with exabytes of data, millions of transactions per second, and shipped desktop and mobile software onto billions of devices.

20 days ago

Regional Senior Software Engineer, CUDA Trace3

Colorado Springs, CO

$150,000–$185,000 / year

Determines computer user needs; analyzes system capabilities to resolve problems on program intent, output requirements, input data acquisition, programming techniques, and controls; prepares operating instructions; designs and develops compilers and assemblers, utility programs, and operating systems. Conducts multidisciplinary research and collaborates with equipment designers and/or hardware engineers in the planning, design, development, and utilization of electronic data processing systems for product and commercial software.

30+ days ago

Principal Software Engineer - Clinical Analytics Truveta Inc

Seattle, WA

$222,000–$240,000 / year

You will be both a hands-on builder and a force multiplier: designing the systems that power low-latency analytics and self-serve dashboarding, writing critical code, raising the engineering bar, and mentoring engineers across the organization. You''ll work at the intersection of cloud services, analytical data platforms, and user experiences, setting the technical direction for technology that lets clinical and quality teams define, monitor, and act on the metrics that matter most.

16 days ago

Principal Software Engineer Liberty Mutual Holding Company Inc

Boston, MA

You'll partner closely with fellow Principal engineers, engineering leadership, solution engineers, product partners, and delivery teams to design practical, scalable solutions and guide execution from concept through implementation. You'll partner with engineering leadership, solution engineers, product partners, and delivery teams to design scalable solutions, guide execution, and help deliver a more modern and globally capable Surety platform.

2 days ago

Lead Principal Platform Software Engineer, AI Acceleration, Developer Tools Oracle Corp

Nashville, TN

$96,800–$306,400 / year

Influence technical direction across the org building alignment among senior engineers, engineering leaders, AI/ML teams, product organizations, and service teams around architectural choices and strategic investments without relying on direct authority. Proven ability to experiment in ambiguous and rapidly changing technical environments-forming hypotheses, building prototypes, evaluating results, learning from unsuccessful approaches, and turning promising ideas into clear technical direction.

30+ days ago

Principal Software Engineer Red Arch Solutions

Annapolis Junction, MD

$205,000–$217,000 / year

Five (5) years of experience with a strong background in user-centered design, UI best practices, usability testing, and the software development lifecycle (analysis, design, implementation, and deployment).Demonstrate working knowledge of Linux, CSS, JavaScript, and HTML to support UI design, troubleshoot design-related issues, and collaborate with development teams. TS/SCI clearance with polygraph clearance required Desired Qualifications: Experience with the following: CSS, Javascript, HTML, Adobe SuiteSalary range for this position: $205K - $217K #CJ The Red Arch Solutions pay range for this job level is a general guideline only and not a guarantee of compensation or salary.

21 days ago

Principal Software Engineer, AI Enablement - Central Product Riot Games

Los Angeles, CA

$229,200–$319,500 / year

Operating as part of an elite, highly mobile strike team, you will build production-ready AI integrations, develop robust developer tools, and level up partner engineers through side-by-side collaboration. Embed and Accelerate: Deploy onto partner teams across Riot to break down complex AI implementation problems, establish technical direction, and deliver scalable, highly performant solutions.

30+ days ago

Principal Software Engineer, AI SalesLoft Inc

Remote

Build the technical vision and roadmap for our Context Layer: a collection of high-quality data products - including a knowledge graph, RAG engines, and retrieval/search infrastructure - that give AI agents access to the best possible context about our customers and their revenue processes. THE OPPORTUNITY: You will be a key member of our fast-growing and high-performing AI Platform team in the US, owning the design and build-out of our AI Context Layer - the data platform that gives our AI agents access to high-quality, well-governed context about the world they operate in.

30+ days ago

Principal Software Engineer - Autonomy Behavior Validation General Motors

Sunnyvale, CA

$238,700–$365,700 / year

This includes scene reconstruction, implementation of safety-defined attentive-human benchmarks, human and other road-user response models, counterfactual simulation following intervention, controlled scene variation, outcome and severity estimation, and the validation needed to understand when a result is credible enough to support a decision. Set the technical strategy and architecture for counterfactual behavior evaluation, including operationalizing safety-defined attentive-human benchmarks, counterfactual simulation following human intervention, alternate-policy comparisons, and controlled scene perturbations.

30+ days ago

AI CX Agent Principal Software Engineer, Go Genesys

North Carolina, NC

$165,400–$290,800 / year

Our platform connects people, systems, data and AI to help organizations deliver more personalized service, improve operational efficiency and build stronger customer relationships. Help build, support and operate technology used by more than 8,000 organizations in over 100 countries - moving AI from possibility to production in real-world enterprise environments every day.

30+ days ago

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Principal Software Engineer Jobs in the United States

Principal Software Engineer - Java Middle Layer Northrop Grumman Corp

Sentinel Principal Software Engineer - 20421 Northrop Grumman Corp

Software Engineer/ Principal Software Engineer Northrop Grumman Corp

Principal Software Engineer - Integration and Test Northrop Grumman Corp

Principal Software Engineer Labcorp Holdings Inc

Principal Software Engineer- Flight Systems FS Studio

Principal Ground Support Equipment (GSE) Software Engineer Trident Systems Inc

Software Engineer Lead Principal Science Applications International Corp

Associate Principal Software Engineer, AI Onboarding Saviynt Inc

Sr Principal / Architect Engineer Software - Backend, Alerting (Chronosphere) Palo Alto Networks

Senior Software Engineer, Infra/Systems Convex

Regional Senior Software Engineer, CUDA Trace3

Principal Software Engineer - Clinical Analytics Truveta Inc

Principal Software Engineer Liberty Mutual Holding Company Inc

Lead Principal Platform Software Engineer, AI Acceleration, Developer Tools Oracle Corp

Principal Software Engineer Red Arch Solutions

Principal Software Engineer, AI Enablement - Central Product Riot Games

Principal Software Engineer, AI SalesLoft Inc

Principal Software Engineer - Autonomy Behavior Validation General Motors

AI CX Agent Principal Software Engineer, Go Genesys

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