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Principal Software Engineer
Chicago, Illinois, United States
$176k-$220k/yr HybridFull Time
12+ YOE12+ years software engineering; expert in high-concurrency distributed systems; backend and frontend leadership; TypeScript/Node.js; AI-native tooling; strong data-driven influence.
TypeScript, Node.js, Kafka, MSK, LLMs
2mo
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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
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
1mo
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Principal/Sr. Principal Software Engineer
Rolling Meadows, Illinois, United States
$109k-$163k/yr OnsiteFull Time
5+ YOEUS citizen with active Secret clearance and SAP access; Bachelor’s in CS/CE (or equivalent experience). 5+ years engineering experience (Principal) or 8+ years (Sr Principal). Must have C++, embedded Linux or VxWorks, scripting (Python/Bash), version control (Git/GitLab/GitHub/ClearCase), and Agile/Waterfall experience.
C++, C++11, Python, Bash, Batch, Linux, VxWorks, Git, GitLab, GitHub, Bitbucket, ClearCase, Rally, Jira, Model-based Engineering, DevSecOps, Agile, Waterfall Methodology
3mo
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Principal, Software Engineering
Chicago or Naperville
$137k-$234k/yr HybridFull Time
10+ YOE10+ years of software engineering; strong Java; Azure cloud; TDD/contract-first; CI/CD; cloud databases; leadership by influence; excellent communication.
Java, Azure, CI/CD, DevOps, TDD, Spec-driven development, Cloud databases
3d
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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
2mo
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Principal Software Development Engineer (Customer Insight & AI Solutions)
Buffalo Grove or United States or United States
$144k-$288k/yr RemoteFull Time
10+ YOE10+ years in full-stack software engineering; 5+ years in senior/principal/architect roles; 5+ years frontend (Angular/React) and backend (Python/Java); 3+ years AI/GenAI; Agile/Scrum; cloud native, API-first, microservices.
Angular, React, Python, Java, REST API, AWS, Azure, GCP, GKE, BigQuery, Spanner, BigTable, CI/CD, API-first, Microservices
3mo
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Principal AI Engineer
Chicago, Illinois, United States
$97k-$189k/yr HybridFull Time
9+ YOELead principal AI engineer with 9+ years in software engineering and 6+ years in application development; 2+ years building or operating AI-augmented development tools; expert in AI-native software, CI/CD, and security.
Claude Code, Cursor, GitHub Copilot, GCP, Terraform, Kubernetes, GitHub Actions, Artifactory
3mo
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Principal Software Engineer II
Deerfield, Illinois, United States
$166k-$282k/yr HybridFull Time
8+ YOE5+ Mgmt8+ years software engineering experience (or 11+ with HS/GED). Experience with complex online applications, Unix/Linux, C++/Java/Node, service-oriented or microservice architectures, cross-functional leadership, and contributing to financial decisions.
Unix/Linux, C++, Java, Node, Service Oriented Architecture, Azure, AWS, Docker, Kubernetes, Android, Scrum, TDD
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
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
1w
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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
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
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
1mo
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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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Staff Software Engineer
Westchester, Illinois, United States
$124k-$155k/yr HybridFull Time
8+ YOE8+ years of software engineering; staff/principal level experience; C#, .NET, .NET Core; REST APIs; cloud (Azure); observability; mentoring.
C#, -.NET, .NET Core, REST APIs, Azure, OpenTelemetry, ORMs, SQL
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
1mo
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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
3mo
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Principal Innovation Engineer
Minnetonka or Austin or Chicago or Dallas or Detroit or Atlanta or Houston or Akron or Birmingham or Charlotte or Indianapolis or Pittsburgh or Cincinnati or Cleveland
$102k-$208k/yr OnsiteFull Time
10+ YOEBachelor’s degree in Computer Science or related field; 10+ years in software engineering and architecture; hands-on end-to-end development; experience with AI-enabled applications and API/integration patterns; ability to lead complex initiatives in fast-paced environment.
Java, Python, TypeScript, JavaScript, React, Next.js, APIs, Workflow automation, Cloud platforms, Vertex AI, Gemini
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