210 sr principal software engineer jobs at 56 companies in Lacey, WA
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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
1w
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Sr Principal Software Engineer
Seattle, Washington, United States
$233k-$325k/yr OnsiteFull Time
7+ YOERequires software engineering training or certification, 7+ years of experience, system design and cloud-native expertise, 24x7 service operations, and proficiency in Rust, Java, Go, or C++.
Rust, Java, Go, C++, Apache DataFusion, DuckDB, Apache Arrow Flight SQL
2mo
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Principal, Software Engineer
Sunnyvale or Bellevue
$132k-$286k/yr OnsiteFull Time
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
1w
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(USA) Principal, Software Engineer
Bellevue or Sunnyvale
$132k-$264k/yr OnsiteFull Time
5+ YOEBachelor's degree plus 5 years of software engineering experience, or 7 years of experience. Preferred master's degree plus 3 years. Experience with cloud-native systems, AI/ML, distributed architecture, and technical leadership.
Python, Java, JavaScript, Dart, Rust, C++, GitHub Copilot, CI/CD, SDKs, model runtimes, feature stores
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Principal Software Engineer- Eng
Seattle, Washington, United States
$164k-$271k/yr HybridFull Time
10+ YOE10+ years software engineering experience, 3+ years at senior/staff/principal level; deep distributed systems and .NET Core experience; EM/AI-assisted engineering familiarity; strong problem-solving and cross-team influence.
.NET Core, Angular
3w
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Principal Software Developer - Data
Seattle, Washington, United States
$234k-$286k/yr OnsiteFull Time
12+ YOE5+ Mgmt12+ years of software or data engineering experience, including 5+ years at Staff, Principal, or Lead Architect level; expertise in AWS, Snowflake, Apache Iceberg, data pipelines, SQL, Python, security, CI/CD, and Terraform.
AWS, S3, Microsoft IAM, EKS, Snowflake, Apache Iceberg, Fivetran, Airbyte, Apache Kafka, AWS Kinesis, Snowpipe, SQL, Python, Spark, Ray, Azure DevOps, GitHub Actions, Terraform, dbt, PySpark, Snowpark, RBAC, CI/CD
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Principal Software Engineer
Santa Monica or Los Angeles or New York City or Bellevue or Seattle or San Francisco or Palo Alto
$235k-$414k/yr OnsiteFull Time
10+ YOE10+ years software development experience, technical leadership experience, BS in a technical field (or equivalent), experience architecting distributed systems, strong software design and debugging skills, proficiency using AI tools and modern engineering workflows.
1w
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Principal Software Engineer
Seattle, Washington, United States
$150k-$170k/yr HybridFull Time
Exceptional software engineering ability, production systems experience, cross-stack proficiency, strong technical judgment, and experience using AI extensively in development workflows.
JavaScript, Node.js, SvelteKit, Postgres, Microsoft Azure, Cloudflare
3w
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Principal Software Engineer
Seattle, Washington, United States
$160k-$250k/yr OnsiteFull Time
8+ YOE8+ years software engineering experience, leadership of complex initiatives, expertise in distributed systems and scalable design, hands-on LLM/generative AI experience, strong communication and cross-functional leadership.
LLM, generative AI frameworks, LLM agents
3w
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Principal Software Engineer
Seattle, Washington, United States
$191k-$297k/yr OnsiteFull Time
10+ YOE10+ years software engineering experience; proficiency with Java and Python; AWS/GCP experience; CI/CD (GitLab), Kafka, DevOps, agentic AI experience; strong architecture, mentoring, and security skills.
Java, Python, AWS, GCP, Kafka, GitLab, AWS Bedrock AgentCore
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Principal Software Engineer
Bellevue, Washington, United States
$228k-$339k/yr OnsiteFull Time
12+ YOE12+ years software development; 7+ years building fault-tolerant scalable cloud architectures; strong server-side engineering (Node.js, Python, Java, Go, Rust); RESTful APIs, SQL/NoSQL, CI/CD, cloud security fundamentals.
Node.js, Python, Java, Go, Rust, TypeScript, React, Angular, SQL, NoSQL, Docker, Kubernetes, Terraform, CloudFormation, OAuth, SSO, AWS, Azure, GCP
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Principal Software Engineer
Bellevue, Washington, United States
$200k-$350k/yr HybridFull Time
10+ YOE10+ years software development experience, ecosystem-level architecture ownership, strong SQL skills, mentoring experience, BS in technical discipline preferred.
SQL, LinkedIn Learning, Calm App
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Principal Software Engineer
Seattle, Washington, United States
$202k-$300k/yr HybridFull Time
15+ YOEBS/MS in CS or equivalent,15+ years software development experience,expertise in OOP/OOD,designing large-scale distributed systems,and observability or telemetry platforms; strong communication and critical thinking.
Java, C#, C++, Spark Streaming, Flink, Storm, Cassandra, MongoDb, DocumentDb, LogStash, Splunk, Zipkin, New Relic
2mo
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Principal Software Engineer, Developer Tools (US West Coast)
United States or California or Oregon or Washington or Seattle or Paris
$198k-$319k/yr RemoteFull Time
10+ YOE10+ years software engineering experience with 3+ years in staff/principal roles; Bachelor’s in CS/Engineering or equivalent; deep experience in CI/CD, developer platforms, cloud-native infrastructure, observability, and LLM/AI integration; proficiency in Go, Rust, Java, or Python.
Kubernetes, Prometheus, Grafana, Loki, Go, Rust, Java, Python, MCP (Model Context Protocol), Terraform, Pulumi, AWS, GCP, Azure, LLM APIs, GitOps, CI/CD
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Principal Software Engineer
Bellevue or Seattle
$228k-$339k/yr OnsiteFull Time
12+ YOE12+ years software development; 7+ years building fault-tolerant, scalable cloud architectures; experience with backend languages, distributed systems, CI/CD, and cloud security.
Node.js, Python, Java, Go, Rust, TypeScript, React, Angular, SQL, NoSQL, CI/CD, OAuth, SSO, Docker, Kubernetes, Terraform, CloudFormation, AWS, Azure, GCP
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Principal Software Engineer
Bellevue, Washington, United States
$197k-$314k/yr HybridFull Time
10+ YOE10+ years software development; proven enterprise SaaS experience; strong Java and/or Python; distributed systems on AWS; security and AppSec collaboration; automated testing experience; related technical degree required.
Java, Python, Kubernetes, AWS, gRPC, JUnit, pytest, Selenium, Playwright
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Principal Software Engineer
Bellevue, Washington, United States
$197k-$314k/yr HybridFull Time
10+ YOE10+ years software development experience, strong Java and/or Python proficiency, distributed systems and cloud experience (AWS), security and testing expertise, leadership and cross-team technical alignment skills, related technical degree required.
Java, Python, AWS, Kubernetes, GRPC, JUnit, pytest, Selenium, Playwright
3mo
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Principal Software Development Engineer - Business to Agent
Seattle, Washington, United States
$231k-$324k/yr OnsiteFull Time
10+ YOE10+ years software engineering; experience with agentic/AI systems; architecture and API design; strong backend language skills; cloud and Kubernetes; data modeling and experimentation; mentoring; cross-functional collaboration.
Java, Kotlin, Go, Python, Scala, AWS, Kubernetes, CI/CD, observability tooling, RAG, LLMs, MCPs, agent orchestration, AI developer tools
2mo
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Principal Software Engineer - Ad Experiences
Glendale or Santa Monica or Seattle or New York City or Los Angeles or San Francisco
$188k-$253k/yr HybridFull Time
10+ YOE10+ years software engineering experience, BS/MS in CS/Engineering or equivalent, advanced Java proficiency, distributed systems design, SpringBoot, cloud (AWS), databases (DynamoDB, Redis), Kafka/Kinesis, observability, mentoring and on-call availability.
Java, SpringBoot, DynamoDB, Redis, MemCache, Apache Kafka, Kinesis, AWS, Terraform, Docker, Kubernetes
1w
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Principal Engineer - Mobile
Issaquah or Seattle
OnsiteFull Time
15+ YOE10+ MgmtRequires 15+ years in native mobile development, 10+ years in leadership, principal-level architecture experience, microservices, cloud, AI/LLM systems, mobile platforms, and distributed systems expertise.
Swift, Objective-C, Kotlin, Java, gRPC, GraphQL, ContentStack, JUnit, XCTest, Xcode Instruments, Android Profiler, REST, Apigee, DataPower, Springboot, SQL, C#, AWS, Azure, Google Cloud, Python, Go, Rust, ADK, LangGraph, MCP, A2A, OAuth2, Kotlin Multiplatform Mobile (KMM), WebSockets, MQTT, JWT, Ansible, BMC, VMware, Red Hat, Chef, Puppet, Kubernetes, Docker, IBM i, SAP, TOGAF 9, Google Workspace, Microsoft Azure, Microsoft Excel