11,291 principal developer jobs at 2,260 companies in United States
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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
2mo
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Principal Engineer
Alabama or Arizona or Arkansas or California or Colorado or Connecticut or Florida or Georgia or Hawaii or Idaho or Illinois or Indiana or Iowa or Kansas or Kentucky or Maryland or Massachusetts or Michigan or Minnesota or Missouri or Nevada or New Hampshire or New Jersey or New Mexico or New York or North Carolina or Ohio or Oklahoma or Oregon or Pennsylvania or Rhode Island or South Carolina or Tennessee or Texas or Vermont or Virginia or Washington or Wisconsin
$210k-$262k/yr RemoteFull Time
10+ YOEBachelor's in CS or related; 10+ years software engineering experience with 3+ years at staff/principal level; deep expertise in AWS, PostgreSQL, Ruby on Rails, Python, TypeScript/JavaScript; experience building scalable, high-throughput systems; strong communication; U.S. work authorization required.
AWS, PostgreSQL, Ruby on Rails, Python, TypeScript, JavaScript, Slack, GSuite, Jira, HL7, FHIR, NCPDP, EHR
1w
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Principal Engineer - UI
Pittsburgh or New York City
$160k-$200k/yr HybridFull Time
10+ YOERequires 10+ years of software engineering experience, 3+ years in a Staff or Principal role, and expertise in Next.js, React, Node.js, BFF architecture, legacy modernization, design systems, testing, and observability.
Next.js, Ember.js, AI, Cursor, Gemini, Qodo, React, Node.js, GraphQL, Express, Backbone, Angular.js, Storybook, Bitbucket, Code Assist, Playwright, New Relic, Quantum Metric, OTe, Module Federation, Kafka, RabbitMQ, Terraform, AWS CDK, Optimizely, Google Tag Manager, SGTM, iOS, Android, WCAG, RUM, CI/CD
3mo
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Principal Developer
Des Moines, Iowa, United States
$128k-$152k/yr HybridFull Time
10+ YOE1+ MgmtSenior Java full-stack developer with 10+ years (12+ preferred) of enterprise software experience; leadership, mentoring, Agile, and CI/CD expertise.
Java, SQL, HTML, CSS, Angular, Bootstrap, Typescript, Node, Spring, Hibernate, JUnit, JUnit5, Mockito, GitLab
1mo
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Founding Principal Engineer
New York City, New York, United States
$200k-$240k/yr HybridFull Time
8+ YOE8+ years building production software with staff/principal level experience; deep full‑stack skills; experience leading distributed teams; building in regulated or data‑sensitive environments; strong communication and technical leadership.
TypeScript, Node, React, AWS, EHR
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
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
3mo
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Principal Engineer
Atlanta, Georgia, United States
HybridFull Time
8+ YOE8-10 years in application development and enterprise solutions; strong Python, AWS, Docker/Kubernetes; cloud and microservices; leadership in architecture; problem solving and communication.
Python, Git, Bitbucket Pipelines, AWS, Docker, Kubernetes, Helm, Autosys, Airflow, MuleSoft
1w
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Principal Engineer
Irving, Texas, United States
$170k-$254k/yr HybridFull Time
10+ YOE10+ years of hands-on design and development experience with deep Java expertise; experience with Spring Boot, microservices, OpenShift, public cloud, event-driven systems, APIs, architecture, mentoring, and technical delivery.
Java, Spring Boot, Microservices, OpenShift, Public Cloud, Event Driven, SOLID, TDD, BDD, LLMs, retrieval-augmented generation, embeddings, vector search
3mo
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Principal Full Stack Developer
Santa Clara or San Jose
$117k-$222k/yr HybridFull Time
8+ YOE3+ Mgmt8+ years software development; 3+ years in principal/leadership; full-stack with Node.js and/or Java; cloud-native microservices; AWS/Azure; SQL; Docker/Kubernetes; Agile; security/compliance.
React, TypeScript, Node.js, Java, AWS, Azure, Docker, Kubernetes, SQL, APIs, CI/CD
2w
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Sr. Principal Engineer
Cincinnati, Ohio, United States
$175k-$263k/yr OnsiteFull Time
6+ YOEBachelor's degree plus six years experience; expertise in cloud-native development, CI/CD, scalable distributed systems, API design, and test-driven development.
5d
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Principal Engineer
Chicago, Illinois, United States
$245k-$285k/yr HybridFull Time
Principal-level experience spanning software architecture, AI engineering, and DevOps, including domain-driven design, agent systems, infrastructure-as-code, GitOps, CI/CD, and production systems in high-growth environments.
Rust, TypeScript, Python, AWS, Terraform, GitOps, CI/CD, LLM, MCP
2w
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Principal Engineer
Waltham, Massachusetts, United States
$173k-$193k/yr HybridFull Time
PhD (>8 yrs) or MS (>15 yrs) in Science/Engineering; expert in small-molecule process development, scale-up, tech transfer, DOE, data analysis, CDMO management; strong leadership and communication.
Process Analytical Technology (PAT)
1w
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Principal Engineer, eComm
Dearborn, Michigan, United States
RemoteFull Time
10+ YOEBachelor's degree or equivalent experience; 10 years software development, 8 years architecture, and 5 years SAP Commerce Cloud and SAP Composable Storefront experience. Requires Java, Spring, APIs, cloud, CI/CD, Agile, and DevOps expertise.
SAP Commerce Cloud, SAP Composable Storefront, Spartacus, SAP S4/HANA, Cybersource, Tealium, Adobe Analytics, Java, J2EE, Spring Framework, Spring Boot, Spring Security, Spring Data, RESTful APIs, Jenkins, GitHub, Azure DevOps, Angular, Dynatrace, OWASP, NIST, WCAG, Microsoft Word, Visio, Net Meeting, Microsoft PowerPoint, Microsoft Excel, MS Project
1mo
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Principal Engineer - Catalog
California, United States
$204k-$260k/yr RemoteFull Time
10+ YOE10+ years software engineering experience, expertise in large-scale architecture, AI-assisted development workflows (Claude Code, GitHub Copilot, Cursor), backend languages (C#/.NET, Go, Java, Python), API and data-model design, and cross-org technical leadership.
Claude Code, GitHub Copilot, Cursor, C#/.NET, Go, Java, Python, React, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Gmail, Google Drive, Google Docs, Google Sheets, Google Forms
2mo
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Principal Developer (MES/Ignition)
United States
RemoteFull Time
7+ YOEBS in Computer Science/Engineering or related field; 7-12 years software/industrial programming; Ignition experience; SQL and web development; strong communication; travel up to 20%
Ignition, Sepasoft, C#, C++, Java, Python, SQL, Web Development
1w
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Principal Engineer
Søborg or United States
OnsiteFull Time
Senior backend engineering with architecture ownership, experience with Python/FastAPI/Postgres on AWS, Terraform, observability (SLOs/SLIs, CloudWatch/Sentry/OpenTelemetry), and regulated healthcare/clinical systems.
Python, FastAPI, SQLAlchemy, Postgres, AWS, ECS Fargate, RDS, Terraform, CloudWatch, Sentry, OpenTelemetry, Snowflake, dbt, FHIR, Flutter, Withings, Polar, Whoop, Fitbit, Apple Health, Health Connect, OAuth, webhooks
4w
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Principal Engineer
California, United States
OnsiteFull Time
10+ YOE10+ years software engineering experience with hands-on AI/LLM production work, platform rebuild or greenfield experience, ability to write production code and lead a small team; healthcare/regulatory exposure a plus.
2mo
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Principal Engineer
San Francisco or New York City or United States
$148k-$210k/yr RemoteFull Time
8+ YOE8+ years software engineering experience; deep full‑stack experience with Ruby on Rails and frontend React; Node.js/JavaScript/TypeScript, AWS, MySQL, Elasticsearch, Redis, Resque; strong CS fundamentals, architecture, mentorship, and cross‑functional communication.
Ruby on Rails, React, Node.js, JavaScript, TypeScript, AWS, MySQL, Elasticsearch, Redis, Resque, Go, Python, Java
3mo
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Principal Engineer
Denver, Colorado, United States
$180k-$200k/yr HybridFull Time
10+ YOE10+ years in technical leadership; BA/BS in Computer Science; Ruby/Rails, TypeScript/React, Go, Python; AI-native workflow experience; agentic apps; scaling complex products.
Ruby, Rails, TypeScript, React, Go, Python, AI tooling
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