3,201 sr principal software engineer jobs at 855 companies in United States
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Principal / Sr Principal Engineer Software
Melbourne, Florida, United States
$98k-$148k/yr OnsiteFull Time
5+ YOEActive DoD Secret clearance, 5+ (Principal) or 8+ (Sr Principal) years software engineering experience (or equivalent degrees), experience with 5G/O-RAN, cloud (Azure/AWS), containers, scripting, and C/C++/Java in Linux environments.
O-RAN, Azure, AWS, Kubernetes, C/C++, Java, bash, PowerShell, python, Linux, Model-Based Systems Engineering (MBSE)
2w
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Principal/Sr Principal Software Engineer
Huntsville, Alabama, United States
$109k-$163k/yr OnsiteFull Time
5+ YOEActive Secret clearance, STEM degree, 5+ years (Principal) or 9+ years (Sr Principal) relevant software experience; familiarity with Kalman filters and radar tracking; strong analytical and communication skills.
C, C++, MATLAB, Java, Python, MBSE (Cameo), Integrated Battle Command System, Joint Track Management Capability Bridge
3mo
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Sr Principal Software Development Engineer
Seattle or Santa Clara
$97k-$252k/yr OnsiteFull Time
10+ YOESenior software leader with 10+ years in large-scale distributed systems and security, cryptography, and KMS.
HSMs, Encryption technologies, Key lifecycle management, Linux/Unix, Distributed systems, Cryptography, Databases, NoSQL, Storage Services, SaaS
4w
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Principal / Sr Principal Algorithms Software Engineer
Boulder, Colorado, United States
$155k-$180k/yr OnsiteFull Time
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
3mo
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Principal Software Engineer
United States
$140k-$160k/yr RemoteFull Time
Senior/principal engineer with multi-product expertise; strong Angular and .NET; risk identification and architectural guidance; security-minded design; mentoring.
Angular, .NET (C#), API design, Azure, PostgreSQL, SQL Server, GitHub, Azure DevOps Pipelines
3w
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Senior Principal Software Engineer
Beaverton, Oregon, United States
OnsiteFull Time
14+ YOE5+ MgmtBachelor's in CS or related,14+ years software engineering experience,5+ years principal-level leadership,5+ years cloud engineering,experience with distributed systems,modern data platforms,ML/LLM stacks,DevOps and front-end tech.
Java, node.js, EC2, Lambda, DynamoDB, Elasticsearch, Google Cloud, Azure, Databricks, Snowflake, Kafka, Kinesis, Apache Spark, Apache Airflow, dbt, LLMs, PyTorch, TensorFlow, Spark, MLOps, CI/CD, IaC, javascript, CSS, html5, Vue, React/redux
2mo
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Principal Software Engineer
United States
RemoteFull Time
10+ YOE10+ years backend experience, senior/staff/principal roles; distributed systems; SaaS backend APIs; leadership and mentoring.
Python, FastAPI, PostgreSQL, OpenSearch, AWS, CI/CD
6d
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Principal Engineer, Software
Houston, Texas, United States
HybridFull Time
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
2mo
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Principal Software Engineer
United States
$224k-$259k/yr RemoteFull Time
10+ YOE10+ years as a software engineer; proven leadership across multiple teams; excellent communication with engineers and business stakeholders.
3mo
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Principal Software Engineer
Salt Lake City, Utah, United States
$176k-$273k/yr OnsiteFull Time
10+ YOE10+ years software engineering, enterprise web apps, Java/REST, system integrations, leadership, multi-vertical experience.
Java, REST APIs, SQL, Git, Kafka, Confluent, Apache Camel, MuleSoft, AWS, ECS, EKS, Lambda, API Gateway, Terraform, Spring Boot, Kubernetes, Dynatrace, Datadog, LLM integration
3mo
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Principal Software Engineer – Developer Experience
Austin or Warren
HybridFull Time
10+ YOE10+ years in software development; senior/principal-level leadership; strong systems thinking and product mindset; AI-native mindset; experience leading cross-team initiatives; excellent communication.
Java, Go, C#, Python, TypeScript, GitHub, GitLab, CI/CD, Jira, ADO, Artifact repositories, Secrets management
3mo
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Principal Software Engineer
United States
RemoteFull Time
8+ YOEBackend-focused software engineer with 8+ years, strong cloud, CI/CD, and system design experience.
TypeScript, Node.js, PostgreSQL, Angular, AWS, Terraform, CI/CD, Elasticsearch, SASS
3mo
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Principal Software Engineer
United States
$180k-$271k/yr RemoteFull Time
10+ YOE10+ years in software engineering; strong leadership; microservices; experience with JavaScript, Python, Java, or C#, .NET preferred.
JavaScript, Python, Java, C#, .NET, Microservices
3mo
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Principal Software Engineer
Arlington, Virginia, United States
OnsiteFull Time
Extensive software engineering leadership; delivery of large-scale distributed systems; cloud, AI/data platforms; strong communication and mentorship.
AWS, Cloud, DevOps, AI tooling, LLMs, distributed systems
3mo
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Principal Software Engineer
Santa Clara or San Jose
$126k-$205k/yr OnsiteFull Time
7+ YOEBS/MS in CS/Engineering; 7+ years; hands-on software engineer; Python and Go; microservices; cloud platforms; distributed systems; Docker/Kubernetes; SQL/NoSQL; messaging systems; automation and test.
Python, Go, Docker, Kubernetes, GCP, AWS, Azure, SQL, NoSQL, Redis, BigQuery, RabbitMQ, Kafka, Terraform, Ansible, CI/CD, REST API
3mo
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Principal Software Engineer
Denver, Colorado, United States
$225k-$270k/yr HybridFull Time
12+ YOEBachelor's in CS or equivalent; 12+ years software engineering; 5+ years in identity/security; hands-on leadership; strong Java; CIAM expertise.
Java, PostgreSQL, MySQL, OAuth, OpenID Connect, SAML, SCIM
3mo
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Principal Software Engineer
Boulder or New York City
$200k-$240k/yr HybridFull Time
10+ YOE10+ years software engineering; 5+ years adtech infrastructure; backend focus; experience with AI tooling; distributed systems; OpenRTB knowledge.
Java, Kafka, Redpanda, AWS, Databricks, Datadog, ONYX
3w
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Principal Software Engineer
United States
RemoteFull Time
Principal-level software engineering experience building scalable systems; specific required qualifications are defined in the job description.
3mo
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Sr. Principal Systems Engineer
Irvine, California, United States
$125k-$206k/yr OnsiteFull Time
4+ YOEBachelor’s or higher in engineering with 4+ years; medical device experience; system requirements, verification/validation, and design controls; IEC 60601-1 knowledge; project leadership preferred.
Electrical Engineering, Mechanical Engineering, Biomedical Engineering, Software, IEC 60601-1, PTC, Polarion, JAMA, DOORS
3w
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Principal Software Engineer (200045291)
Redmond, Washington, United States
OnsiteFull Time
Principal-level software engineering experience and leadership in large-scale software projects.
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