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Principal Software Engineer - Platform (hybrid)
Chicago, Illinois, United States
$147k-$210k/yr HybridFull Time
7+ YOE7+ years software engineering; 2+ years architect/principal engineer; AI/ML experience; distributed systems; Go/Ruby/AWS; Lean/Agile; SOA; strong communication.
Go, Ruby, AWS, Terraform, Kubernetes, Docker
2mo
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Principal Software Engineer, Android
Milwaukee, Wisconsin, United States
$112k-$154k/yr OnsiteFull Time
5+ YOE5+ years software engineering, 2+ years Android, Bachelor's/Master’s in CS, Java/Kotlin, Android SDK/NDK, CI/CD, Agile, regulatory familiarity.
Java, Kotlin, JavaScript, TypeScript, C++, Android SDK, NDK, Android Studio, Azure DevOps, Jira, Git, SVN, CI/CD
1mo
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Principal/Sr. Principal Software Engineer
Rolling Meadows, Illinois, United States
$109k-$163k/yr OnsiteFull Time
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
5d
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Principal Software Engineer
Downers Grove or Willingboro
$140k-$180k/yr OnsiteFull Time
15+ YOE15+ years software engineering with enterprise architecture, cloud (Azure) modernization, microservices, eCommerce, AI/LLM production experience, and strong people mentoring and technical leadership.
React.js, Next.js, TypeScript, C#, .NET Core, Java, Python, Go, Kafka, Azure Service Bus, Event Hub, Cloudflare, Akamai, Azure Front Door, SQL Server, PostgreSQL, Redis, Cosmos DB, MongoDB, AKS, Azure App Service, Azure Functions, Azure SQL, Key Vault, Azure AD/Entra ID, Azure Monitor, Terraform, Bicep, Azure DevOps, GitHub Actions, Helm, Open Telemetry, Application Insights, Jaeger, Grafana, Prometheus, k6, JMeter, Azure Load Testing, Pinecone, Weaviate, pgvector, OpenAI, Anthropic, Gemini, LangChain, LangGraph, CrewAI, Playwright, Cypress, Pact, OAuth 2.0, OpenID Connect, Azure Data Factory, Azure Databricks
1mo
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Principal Software Engineer
Chicago or Peoria
$148k-$240k/yr OnsiteFull Time
Strong software development in Python and OOP, experience with Git and CI/CD (Jenkins, GitHub Actions, Azure DevOps), AWS services, Snowflake, GenAI developer tools, and ability to design, test, and deploy data pipelines.
Python, Git, Jenkins, GitHub Actions, Microsoft Azure DevOps, AWS Lambda, Amazon Kinesis, Amazon EventBridge, Amazon CloudWatch, AWS CloudFormation, Amazon DynamoDB, AWS Fargate, Amazon S3, Amazon SageMaker, AWS IAM, Amazon RDS, Snowflake, GitHub Copilot, Claude Code, GenAI developer tools
1mo
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Principal Software Engineer - AWS
Chicago or Scottsdale or San Francisco or New York City or Phoenix
$173k-$276k/yr HybridFull Time
15+ YOE15+ years software engineering experience with 8+ years in FinTech; hands-on full‑stack design and architecture, cloud/containerization, CI/CD, test automation, Java/J2EE/Spring, messaging, Oracle PL/SQL, Git, and strong communication.
Java, J2EE, JUnit, Tomcat, Spring Boot, Spring Core, Kafka, Tibco EMS, JMS, Oracle PL/SQL, JavaScript, jQuery, AngularJS, Git, Chef, Maven, Jenkins, AWS, Google Cloud, Microsoft Azure, SVN, Jira, Bugzilla, Confluence, Splunk, Altiris, Zabbix, Terraform, AppDynamics, C#, Ruby, Python, PHP, Kubernetes
1mo
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Principal Software Engineer
Hartford or Charlotte or Columbus or Chicago
$168k-$253k/yr HybridFull Time
12+ YOE12+ years enterprise application development experience, bachelor’s degree in CS/Engineering required, hands-on with Java, Spring Boot, Angular/TypeScript, SQL, cloud (AWS), APIs/microservices, observability tools; strong communication and AI-first experience.
Java, Spring Boot, Angular, TypeScript, SQL, AWS, Application Insights, Splunk, APIs, microservices, event-driven architectures, Identity and Access Management, AI frameworks, CI/CD, DevSecOps
1mo
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Principal Software Engineer (Auth0)
Bellevue or Chicago or New York City or San Francisco or Washington
$244k-$376k/yr HybridFull Time
10+ YOE10+ years software development, 4+ years identity/cloud experience, 3+ years developer tooling experience; strong systems design, communication, and rapid learning skills.
Auth0, Auth0 FGA, Model Context Protocol (MCP), A2A, SDKs, Python
3mo
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Principal Engineer Software - Storage (Chronosphere)
Burbank or Denver or Chicago or Austin or Jacksonville or Hartford or Bridgeport or Seattle or Boston or New York City
$147k-$238k/yr RemoteAll Commitments Available
Design and build scalable backend services for high-volume telemetry data; strong backend skills; cloud infra experience; API design; mentorship.
Go, Java, Python, Rust, AWS, GCP, Azure, REST, gRPC, GraphQL
2w
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Principal Software Engineer – Data and Billing QA
Overland Park or New York or Chicago
$111k-$143k/yr OnsiteFull Time
Principal-level engineering expertise with AI/agentic tooling, strong Python/Java/C++ skills, Linux, Kafka/Avro/Kudu/Snowflake, CI/CD (Jenkins), SQL and Git; bachelor's degree or equivalent experience.
Claude Code, OpenAI Codex, LangChain, AutoGen, Python, Java, C++, Linux, Kafka, Avro, Kudu, Snowflake, PostgreSQL, MySQL, Oracle, SQL, Jira, Confluence, Git, Jenkins
2w
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Principal Software Engineer
Chicago, Illinois, United States
$118k-$123k/yr HybridFull Time
6+ YOE3+ MgmtBachelor's in CS/CE/IT with 8+ years (or Master's with 6+ years); 5+ years designing cloud-native AI solutions; 3+ years leadership; experience with AWS, Azure, OpenAI, Python, Java, Docker, Kubernetes; strong communication and debugging skills.
OpenAI, Azure, AWS, Docker, Kubernetes, AWS Fargate, SonarQube, Python, Java
1mo
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Principal Engineer, Customer Web and Mobile Experience
Chicago, Illinois, United States
HybridFull Time
15+ YOEBachelor's or Master's (or equivalent experience), 15+ years software engineering with 5+ years at Staff/Principal level; expert JavaScript/TypeScript, React/React Native, Next.js; experience with .NET (C#), CI/CD, auth standards, and technical leadership.
React, React Native, React Native Web, JavaScript, TypeScript, Git, GitHub, Node.js, Next.js, VS Code, GitHub Codespaces, GitHub Copilot Enterprise, Expo CLI, Expo SDK, Microsoft Azure, Microsoft Azure CLI, Microsoft Dynamics 365, .NET (C#), Postman, React DevTools, BrowserStack, Tailwind, NativeWind, shadcn/ui-style, Contentful, Sitecore, Adobe Experience Manager, GraphQL, REST, OIDC, OAuth2, SSO, MFA, WCAG 2.1, OWASP, SOC 2, PCI, EIS Suite
2mo
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Chief Principal Software Engineer- Cloud
Greenville or Remote or Remote
$119k-$204k/yr HybridFull Time
8+ YOE8+ years backend cloud software development; Azure cloud; C#/.NET; IoT/cloud data platforms; containerization; CI/CD; security and observability.
Azure, C#, NET Core, Docker, Kubernetes, Terraform, GitHub Actions, Event Grid, Event Hub, Azure Functions, CosmosDB, Redis, Azure Monitor, Application Insights
3mo
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Principal Software Engineer – AI & Cloud (Healthcare / EHR Platforms)
Atlanta or Chicago or Phoenix or Charlotte or Texas
HybridFull Time
6+ YOE7+ years building distributed systems; strong Java and Python; microservices and Kubernetes; cloud experience (OCI/AWS/Azure/GCP); AI/ML or AIOps production; REST APIs; SQL; code reviews and mentoring; customer-facing troubleshooting.
Java, Python, Shell scripting, Kubernetes, Microservices, REST APIs, SQL, OCI, AWS, Azure, GCP, AI/ML, AIOps, Cloud Architecture, Code Review, SQL
2mo
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Engineer, Principal
Naperville, Illinois, United States
$109k-$159k/yr OnsiteFull Time
7+ YOE7+ years of software architecture/engineering experience; cloud and DevOps focus; strong leadership in architecture decisions.
CSharp, Python, Angular, SQL, AWS, Azure, GCP, CI/CD tooling
1mo
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Engineer, Principal
Naperville, Illinois, United States
$109k-$159k/yr OnsiteFull Time
7+ YOE7+ years in software development; expertise in C#, Python, Angular, SQL; cloud platforms (AWS/Azure/GCP); architecture and platform engineering; CI/CD; bachelor’s degree preferred or equivalent coding education.
C#, Python, Angular, SQL, AWS, Azure, GCP, CI/CD, Version Control, Cloud Platforms
1w
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Principal Software Engineer - U.S. (remote)
Chicago, Illinois, United States
RemoteFull Time
15+ YOE15+ years experience in distributed, data-intensive system architecture, Domain-Driven Design, cloud (AWS/Azure/GCP), CI/CD and big-data technologies; strong communication and leadership in architecture.
ElasticSearch, NoSQL Stores, Kafka, Columnar Databases, DataFlow, Pipeline Systems, Graph DataStores, Terraform, Jenkins, CodePipeline, Docker, AWS, Azure, GCP, CI/CD
1mo
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Principal Software Engineer
Westchester, Illinois, United States
$171k-$257k/yr RemoteFull Time
12+ YOESenior/principal-level data engineer with deep Azure BI/data stack expertise (Microsoft Fabric, Synapse, Power BI), expert Python and SQL, architecture and platform design, and strong communication and mentoring skills.
Microsoft Fabric, Azure Synapse Analytics, Power BI, Azure, Python, SQL
1mo
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Principal Software Engineer, Full Stack, Event Technology
San Francisco or Palo Alto or Chicago or New York City or Seattle or Indianapolis
$238k-$345k/yr HybridFull Time
10+ YOE10+ years building and scaling production systems, AI-first engineering and prompt engineering skills, architecture and technical leadership, front- and back-end experience (JavaScript/TypeScript, React, Node.js), AWS/GCP, GraphQL/REST.
Claude, Cursor, JavaScript, TypeScript, React, Node.js, Tailwind, Sass, AWS Lambda, DynamoDB, SNS, SQS, EventBridge, API Gateway, GCP, GraphQL, REST, Snowflake, Google Analytics, Akamai
2w
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Principal Software Developer - Full Stack (Unity, C#)
Austin or San Mateo or Carlsbad or Chicago or Eugene or Toronto
$114k-$180k/yr OnsiteFull Time
6+ YOEB.Sc. or equivalent, 6+ years game/mobile software experience, expert C#, 3+ years Unity, shipped mobile titles, experience with performance profiling, AWS, Kubernetes, Datadog, and git.
Unity, C#, AWS, Kubernetes, Datadog, git, Claude Code
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