3,016 principal software engineer sr principal software engineer jobs at 790 companies in United States
1mo
Save
Mark Applied
Hide
1mo
Principal / Sr Principal Engineer Software
San Diego or El Segundo
$114k-$171k/yrOnsiteFull Time
Northrop GrummanNYSE: NOC: Global aerospace and defense technology.
5+ YOERequires Top Secret clearance eligibility, 5+ years engineering experience (principal) or 8+ (sr principal), proficiency with Java 21+, Spring Boot, Apache NiFi, microservices, observability tools, and experience in enterprise integration and data flow technologies.
Spring Integration, Apache Camel, Java 21+, Prometheus, Grafana, Apache NiFi, AWS SDK for Java v2, Spring Boot, MongoDB, Elasticsearch, Angular, React, Vue.js, Spring WebSocket, WebSockets, SSE, Protobuf, JAXB, Jackson, JSON, JMS, ActiveMQ Classic, Resilience4j, Docker, Testcontainers, LocalStack, Project Reactor, Spring Boot Actuator, Micrometer, Avro
Northrop GrummanNYSE: NOC: Global aerospace and defense technology.
5+ YOEBachelor's in CS/CE or equivalent experience, 5+ years engineering experience (Principal) or 8+ years (Sr Principal). Proficiency in C++, embedded Linux/VxWorks, scripting (Python/Bash), version control (Git/GitLab/GitHub/Bitbucket/ClearCase), Agile/Waterfall; U.S. citizenship and active Secret clearance required.
Waste ManagementNYSE: WM: Leading provider of comprehensive waste and environmental services.
10+ YOEBachelor's degree in Computer Science, MIS, Engineering, or related field plus 10 years of software engineering experience. Requires cloud, database, Python, Java, software design, testing, and Agile expertise.
Precisely: Data integrity software serving enterprises with software, data, and data strategy consulting services.
8+ YOE8-10+ years in data engineering and product management; strong Node and Java; cloud-native tech; REST APIs; experience leading software architecture; mentoring teams.
ElasticNYSE: ESTC: Search AI platform for search, observability, and security.
15+ YOE15+ years of software engineering experience, including 3+ years as a principal engineer; expert Elasticsearch and full-stack skills; production platform engineering, architecture, and build-versus-buy experience.
Essen Health Care: New York-based multi-specialty medical group providing comprehensive community healthcare.
7+ YOERequires 7+ years of software engineering experience, principal-level impact, large-scale distributed systems experience, strong backend skills, architectural judgment, and end-to-end production ownership.
General Dynamics Mission SystemsNew York Stock Exchange: GD: Defense electronics manufacturer and systems integrator for mission-critical solutions.
8+ YOEBachelor's in software engineering (or related STEM) with 10+ years experience or Master's with 8+ years; ability to obtain DoD TS/SCI clearance; strong software lifecycle, embedded/Linux development, Kubernetes/CI/CD experience.
Enverus: Energy-dedicated SaaS and data analytics providing AI, intelligence and workflow software to energy companies worldwide.
8+ YOE8+ years of software engineering; strong in PET stack (Python, TypeScript/React, RDBMS, AWS); lead design and architecture; mentor engineers; ensure reliability, performance, and observability.
Cognite: Industrial AI and data software serving energy, manufacturing, and power companies with operational data and AI.
Principal-level full stack engineer with expert computer science knowledge, hands-on software development, JavaScript/TypeScript and frontend framework expertise, cloud deployment and Kubernetes experience, and complex systems troubleshooting skills.
Foundant Technologies: Foundant is a private software provider serving foundations, grantmakers, scholarship providers, and nonprofits with philanthropy-management tools.
12+ YOERequires 12+ years of professional software engineering experience, principal/staff-level expertise, architectural mastery, production service ownership, incident response, AI-assisted development, and US or Canadian work eligibility.
Java, C#, TypeScript, Node.js, React, Python, Flutter, Claude Code
Ping Identity: Identity security software serving enterprises with workforce and customer identity, access management, authentication, and fraud protection.
10+ YOE10+ years of software engineering experience, including 4+ years at Principal or Staff level building security or identity products. Requires Go, cloud-native technologies, Kubernetes, distributed systems, IAM/PAM, and OAuth2/OIDC expertise.
Rothschild or Alabama or Arkansas or Arizona or Colorado or Florida or Georgia or Illinois or Indiana or Kentucky or Louisiana or Maryland or Michigan or Minnesota or Missouri or Mississippi or North Carolina or New Jersey or Nevada or New York or Ohio or Oklahoma or Oregon or South Carolina or Tennessee or Texas or Utah or Virginia or Washington or Wisconsin
$135k-$160k/yrRemoteFull Time
Foundation Finance Company: Private consumer finance providing point-of-sale home-improvement financing to contractors and homeowners nationwide.
7+ YOEBachelor's in CS/Engineering or related,7+ years development experience,technical leadership and architecture experience,mentoring skills,and strong presentation and stakeholder communication.
Principal / Sr Principal Algorithms Software Engineer
Boulder, Colorado, United States
$155k-$180k/yrOnsiteFull Time
Auria: Aerospace and defense software serving government and commercial customers across space, missile, and cyber operations.
5+ YOEActive in-scope U.S. Government Secret clearance required, ability to obtain TS/SCI, 5+ years relevant experience for principal roles (8+ for Sr Principal), Python and C++ development, Linux and command-line utilities, algorithm and state estimation experience, strong statistics and analysis skills, willingness to travel up to 10%.
WalmartNYSE: WMT: Global retail, e-commerce, and supply chain.
5+ YOEPrincipal-level software engineer with 10+ years building large-scale, distributed, cloud-native systems; expertise in microservices, event-driven architectures, Java and modern web frameworks (React/Redux); strong architecture and cross-team leadership.