3,016 principal software engineer sr principal software engineer jobs at 790 companies in United States

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Principal / Sr Principal Engineer Software
San Diego or El Segundo
$114k-$171k/yr OnsiteFull Time
Northrop Grumman
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
2mo
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Principal/Sr. Principal Software Engineer
Rolling Meadows, Illinois, United States
$109k-$163k/yr OnsiteFull Time
Northrop Grumman
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.
C++, C++11, Python, Bash, Batch, Linux, VxWorks, Waterfall Methodology, Agile, Git, GitLab, GitHub, Bitbucket, ClearCase, Rally, Jira, DevSecOps, Model-based Engineering
2w
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Principal Engineer, Software
Houston, Texas, United States
HybridFull Time
Waste Management
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.
AWS, Lambda, IAM, S3, EFS, SQS, SNS, API Gateway, CLI, Kinesis, Glue, ElastiCache, CloudWatch, CloudFormation, Oracle, SQL Server, PostgreSQL, Cassandra, DynamoDB, Python, Java
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Principal Software Engineer
United States
RemoteFull Time
Twilio
TwilioNYSE: TWLO: Cloud communications platform for building personalized customer experiences.
Principal-level software engineering experience building scalable systems; specific required qualifications are defined in the job description.
3mo
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Principal Software Engineer
United States
RemoteFull Time
Precisely
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.
Node.js, Java, MongoDB, REST APIs, Docker, Kubernetes, Kafka, AWS, Azure, GCP, Redis, Datadog, Codefresh, LangSmith, Weighs & Biases
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Principal Software Engineer (200047497)
United States
OnsiteFull Time
Microsoft
MicrosoftNASDAQ: MSFT: Multinational technology providing software, cloud, and AI solutions.
Principal software engineering role; the posting provides no additional qualifications or responsibilities.
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Principal Software Engineer
United States
$136k-$215k/yr RemoteFull Time
Elastic
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.
Elasticsearch, Kibana, Elastic ML, React, Logstash, Elastic Security, Elastic Observability, AWS, GCP, Azure, Anthropic, OpenAI Codex, GitHub Copilot, Google Gemini, LLM Gateway, RAG, ELSER, Kibana Canvas, Watcher
2w
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Principal Software Engineer
Bronx, New York, United States
$200k-$220k/yr HybridFull Time
Essen Health Care
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.
Python, FastAPI, React, TypeScript, MSSQL, Redis, Microsoft Azure, Azure Container Apps, Azure Static Web Apps, Azure DevOps Pipelines, Terraform, eClinicalWorks, Ellkay, Redox, FHIR
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Senior Principal Software Engineer
Annapolis Junction, Maryland, United States
$183k-$193k/yr HybridFull Time
General Dynamics Mission Systems
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.
CI/CD, Kubernetes, Helm, containerd, Docker, Podman, FPGA, Linux, Model Context Protocol (MCP), AI/ML
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Principal Software Engineer - 26207
Austin, Texas, United States
RemoteFull Time
Enverus
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.
ReactJS, TypeScript, Node.js, Databricks, Python, Jenkins, GitHub, Bitbucket, CI/CD, SOC compliance
3mo
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Principal Software Engineer, AI
United States
$1-$100k/yr RemoteFull Time
Salesloft
Salesloft: Private revenue orchestration software serving enterprise revenue teams with AI-powered sales engagement tools.
12+ YOE12+ years in software engineering; expert in data-layer, search/retrieval; knowledge graphs; RBAC; Python/Java; APIs and platform infra.
Python, Java, Knowledge Graphs, RAG architectures, Vector databases, Embedding-based retrieval, RBAC, APIs, SDKs, Data governance
1mo
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Lead Principal Software Engineer
United States
RemoteFull Time
Terradepth
Terradepth: Terradepth is a private ocean-intelligence delivering autonomous underwater vehicles and cloud-based data platforms to defense users.
10+ YOE10+ years software engineering experience, hands-on with AWS, Python, Go, React, PostgreSQL, containerization, microservices; technical leadership and mentorship experience required.
AWS, GovCloud, Python, Go, React, TypeScript, JavaScript, PostgreSQL, Docker, Kubernetes, Swagger/OpenAPI, PyTest, Jest, Playwright, CI/CD, JIRA, CesiumJS, GDAL, ESRI, CARIS, EIVA, Virtual Machines (VMs)
5d
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Principal Software Engineer
Phoenix, Arizona, United States
OnsiteFull Time
Cognite
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.
Kotlin, Java, Python, Rust, JavaScript, TypeScript, React, Angular, Vue, Webpack, Vite, AWS, GCP, Azure, Kubernetes
6d
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Principal Software Engineer
United States or Bozeman or Toronto or Dublin
RemoteFull Time
Foundant Technologies
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
3mo
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Principal Software Engineer
Atlanta, Georgia, United States
$139k-$249k/yr HybridFull Time
Autodesk
AutodeskNASDAQ: ADSK: Global provider of software for design, engineering, and manufacturing.
8+ YOE8+ years software development experience; senior/staff level; strong Python; workflow orchestration experience; AWS expertise; REST API design; distributed backend systems; leadership in multi-team context.
Python, AWS, DynamoDB, S3, REST APIs, FastAPI, Temporal, Cadence, Airflow
4d
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Principal Software Engineer
Bengaluru or Denver
OnsiteFull Time
Ping Identity
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.
Go, AWS, Azure, GCP, Kubernetes, Cassandra, NoSQL, Temporal, OAuth2, OIDC, SAML, SCIM, SSH, RDP, MCP
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Principal Software Engineer
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/yr RemoteFull Time
Foundation Finance Company
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.
2w
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(USA) Principal, Software Engineer
Sunnyvale, California, United States
$143k-$286k/yr OnsiteFull Time
Walmart
WalmartNYSE: WMT: Global retail, e-commerce, and supply chain.
5+ YOEBachelor's degree and 5 years' software engineering experience, or 7 years' experience. Requires distributed systems, cloud-native architecture, AI/ML, CI/CD, testing, observability, and technical leadership.
AI/ML, CI/CD
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Principal / Sr Principal Algorithms Software Engineer
Boulder, Colorado, United States
$155k-$180k/yr OnsiteFull Time
Auria
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%.
Python, C++, Linux, grep, awk, cat, head
2mo
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Principal, Software Engineer
Sunnyvale or Bellevue
$132k-$286k/yr OnsiteFull Time
Walmart
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.
Java, React, Redux