95 principal software engineer jobs at 51 companies in Ashburn, IL

2mo
Save
Mark Applied
Hide
Principal/Sr. Principal Software Engineer
Rolling Meadows, Illinois, United States
$109k-$163k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
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
2mo
Save
Mark Applied
Hide
Principal/Sr. Principal Software Engineer
Rolling Meadows, Illinois, United States
$109k-$163k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Global aerospace and defense technology.
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
2w
Save
Mark Applied
Hide
Principal Engineer
Chicago, Illinois, United States
$245k-$285k/yr HybridFull Time
Vouch
Vouch: Technology-powered business insurance broker serving growing companies across technology, life sciences, professional, and financial services.
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
1w
Save
Mark Applied
Hide
Principal Software Development Engineer
Texas or Scottsdale or Chicago or Dallas or California
$144k-$288k/yr RemoteFull Time
CVS Health
CVS HealthNYSE: CVS: Diversified healthcare integrating retail, pharmacy, and insurance services.
12+ YOE12+ years of software engineering experience, 5+ years in senior, principal, or architect roles, full-stack expertise, distributed systems, AI/GenAI, cloud-native applications, and a bachelor's degree required.
Java, Spring Boot, Go, Golang, Node.js, Python, React, Angular, TypeScript, REST, GraphQL, Apollo Federation, gRPC, Kafka, AWS, Azure, GCP, Kubernetes, Docker, Terraform, Datadog, Prometheus, Grafana, SQL, Redis
2d
Save
Mark Applied
Hide
Principal Software Engineer
United States or Chicago or Hawaii
$153k-$205k/yr RemoteFull Time
iManage
iManage: AI knowledge-work software helping legal, accounting, and financial-services organizations manage documents, email, and governed knowledge.
7+ YOEBachelor's degree in engineering, computer science, or related field and 7 years of software engineering experience, including .NET, C# or Python, databases, distributed systems, Linux, and CI/CD in cloud environments.
Microsoft .NET, C#, Python, Linux, CI/CD, AKS
1mo
Save
Mark Applied
Hide
Principal Software Engineer
Downers Grove or Willingboro
$140k-$180k/yr OnsiteFull Time
Group CBS
Group CBS: Providing comprehensive electrical equipment sales, services, and engineering solutions.
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
Save
Mark Applied
Hide
Principal Software Engineer
Chicago, Illinois, United States
$118k-$123k/yr HybridFull Time
Morningstar
MorningstarNASDAQ: MORN: Provides independent investment research, data, and analytics.
8+ YOE3+ MgmtBachelor's (or Master's) in CS/CE/IT plus 6–8+ years software engineering; 5+ years designing cloud-native AI solutions with AWS/Azure/OpenAI; 5+ years with Python and Java; 3+ years leading teams; CI/CD, Docker, Kubernetes experience.
OpenAI, Azure, AWS, Python, Java, Docker, Kubernetes, AWS Fargate, SonarQube
1w
Save
Mark Applied
Hide
Principal, Software Engineer
New York or California or Illinois or Atlanta or Boston or Chicago or Denver or Los Angeles or New York or Salt Lake City or San Diego
$122k-$165k/yr RemoteFull Time
DEPT
DEPT: A global digital agency bridging marketing and technology.
7+ YOERequires 7+ years software experience, 3+ years Python, expert backend and distributed systems knowledge, cloud and Docker experience, API integration, databases, frontend architecture, CI/CD, and technical leadership.
Python, Gemini CLI, Claude Code, Codex, Angular, TypeScript, Google Cloud, AWS, Azure, Docker, Git, Mercurial, Agile, CI/CD, Google's Agent Development Kit (ADK), SQL, NoSQL, LLM
2d
Save
Mark Applied
Hide
PRINCIPAL SOFTWARE ENGINEER (MPDE)
Chicago or Webster
$152k-$191k/yr RemoteFull Time
TE Connectivity
TE ConnectivityNYSE: TEL: Global industrial technology leader in connectivity and sensor solutions.
10+ YOEBachelor's degree or higher in a related technical field and 10+ years developing software, automation, industrial, or engineering systems; programming, integration, data, architecture, testing, and validation experience required.
Python, C#, C++, Java, PLCs, SQL, API, OPC-UA, MQTT, REST APIs, Electronic Medical Records (EMR)
2mo
Save
Mark Applied
Hide
Principal Software Engineer
Charlotte or Chicago or Columbus or Hartford
$168k-$253k/yr HybridFull Time
The Hartford
The HartfordNYSE: HIG: Provider of property and casualty insurance and employee benefits.
12+ YOERequires 12+ years in enterprise application development, a computer science or engineering bachelor's degree, and expertise in Java, Spring Boot, Angular/TypeScript, SQL, APIs, cloud platforms, and distributed systems.
Java, Spring Boot, Angular, TypeScript, SQL, AWS, Application Insights, Splunk, APIs, microservices, CI/CD, DevOps, DevSecOps, Identity and Access Management, AI frameworks
2mo
Save
Mark Applied
Hide
Principal Software Engineer
Hartford or Charlotte or Columbus or Chicago
$168k-$253k/yr HybridFull Time
The Hartford
The HartfordNYSE: HIG: Provides business and personal insurance, group benefits, and investments.
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
2mo
Save
Mark Applied
Hide
Principal Software Engineer - AWS
Chicago or Scottsdale or San Francisco or New York City or Phoenix
$173k-$276k/yr HybridFull Time
Early Warning Services
Early Warning Services: Operates payment and risk solutions for the financial industry.
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
3w
Save
Mark Applied
Hide
Principal Software Engineer, Core Services
Wayne or Naperville
$160k-$185k/yr HybridFull Time
Frontline Education
Frontline EducationNYSE: ROP: Private K-12 school administration software serving districts with human capital, student, business operations, and analytics tools.
10+ YOE10+ years software engineering experience, bachelor’s in CS or equivalent, deep TypeScript/Node.js skills, cloud-native and distributed systems experience, leadership and mentoring experience.
TypeScript, Node.js, NestJS, EC2, Lambda, S3, SNS, SQS, Docker, Kafka, React, Kubernetes, GitHub Copilot, Claude Code, OpenAI Codex
2mo
Save
Mark Applied
Hide
Principal Software Engineer (Auth0)
Bellevue or Chicago or New York City or San Francisco or Washington
$244k-$376k/yr HybridFull Time
Okta
OktaNASDAQ: OKTA: Identity management and access control software provider.
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
Save
Mark Applied
Hide
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
Palo Alto Networks
Palo Alto NetworksNASDAQ: PANW: Provides enterprise-grade network, cloud, and endpoint security software.
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
3w
Save
Mark Applied
Hide
Principal Software Engineer
Rosemont, Illinois, United States
$200k/yr HybridFull Time
Wintrust Financial Corporation
Wintrust Financial CorporationNASDAQ: WTFC: Provides community banking, commercial finance, and wealth management services.
5+ YOEBachelor's in CS or related plus 5 years (or Master's plus 3),3+ years Salesforce and Lightning Web Components, Apex, Git, Visual Studio Code, HTML/CSS/JavaScript, Agile/DevOps experience, strong communication and design skills.
Salesforce CRM, Lightning Web Components, APEX, Git, Visual Studio Code, HTML, CSS, JavaScript, Agile
1mo
Save
Mark Applied
Hide
Principal Software Engineer
Chicago, Illinois, United States
$118k-$123k/yr HybridFull Time
Morningstar
MorningstarNASDAQ: MORN: Provides financial data, investment research, and asset management services.
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
1d
Save
Mark Applied
Hide
Principal Software Engineer
Kansas City or Chicago or Overland Park
$166k-$236k/yr HybridFull Time
Cboe Global Markets
Cboe Global MarketsCboe BZX: CBOE: Public financial exchange operator providing trading, clearing, and investment solutions across derivatives, equities, and foreign exchange markets.
12+ YOEBachelor's degree in computer science or equivalent knowledge; 12+ years developing high-performance data-driven websites; experience with Python, JavaScript, Django, HTML5, CSS3, Linux or UNIX-like systems, and web testing.
Python, Django, React, Next.js, Tailwind CSS, JavaScript, HTML5, CSS3, Linux, UNIX, Apache, PostgreSQL, Python unit testing, full-stack web testing
3w
Save
Mark Applied
Hide
Principal Software Engineer (.NET Technical Lead)
Chicago, Illinois, United States
$137k-$234k/yr OnsiteFull Time
Northern Trust
Northern TrustNASDAQ: NTRS: Financial services for individuals, families, and global institutions.
10+ YOE5+ MgmtBachelor's degree and 10+ years of software engineering experience, including 5+ years in technical leadership. Requires C#, .NET, cloud, microservices, CI/CD, and AI-assisted engineering expertise.
C#, .NET Core, ASP.NET Core, Entity Framework Core, SQL Server, REST APIs, Kafka, Docker, Kubernetes, Microsoft Azure, AWS, Git, GitHub, Microsoft Azure DevOps, Jenkins, Terraform, GitHub Copilot, Microsoft Copilot, OAuth, JWT, SAML, SSO, Infrastructure as Code, CI/CD, DevOps, Agile, SDLC
1d
Save
Mark Applied
Hide
Principal Engineer AI
Chicago Heights or New York or Florida or California or Texas or Illinois
$112k-$209k/yr OnsiteFull Time
BMO
BMOTSX: BMO: Diversified North American financial services provider.
8+ YOEBachelor's degree required, 8+ years of software or platform engineering experience, production infrastructure and on-call experience, cloud-native AWS/Azure expertise, and strong programming skills in Python or Go.
Python, Go, TypeScript, Java, AWS, Azure, Kubernetes, CDK, Terraform, CloudFormation, ARM, Bitbucket, GitHub, Jira, Confluence, Cedar, OPA/Rego, SPIFFE/SPIRE, mTLS, OAuth/OIDC, Entra ID, OpenTelemetry, Dynatrace, Splunk, Bedrock, Azure OpenAI, SageMaker, MLflow, LangChain, LlamaIndex, RAG, Databricks, Google Cloud, AWS Certified Solutions Architect, Microsoft Azure Solutions Architect Expert, Azure AI Engineer Associate