199 senior software testing engineer jobs at 113 companies in Illinois
3d
Save
Mark Applied
Hide
Senior Software Engineer
Menlo Park or New York City or Bellevue or Washington or Denver or Westlake or Chicago or Lake Mary or Clearwater or Gainesville
HybridFull Time
5+ YOERequires 5+ years of software engineering experience, strong Python or Go coding skills, distributed systems expertise, and experience with load testing, fault injection, chaos engineering, or developer infrastructure.
Python, Go, Kubernetes, CI/CD
3mo
Save
Mark Applied
Hide
Senior Software Engineer
Chicago or United States
$100k-$144k/yr RemoteFull Time
10+ YOEExpert PHP 8.x with 10+ years, Laravel, RESTful APIs, Vue, TypeScript, SaaS architecture, AWS, Git, Agile, testing (Pest/PHPUnit).
1mo
Save
Mark Applied
Hide
Senior Software Engineer
Chicago or United States
RemoteFull Time
5+ YOE5+ years software engineering experience (Java), strong relational database knowledge (Oracle/PostgreSQL), containerised deployments (OpenShift/Kubernetes), performance testing experience, and strong communication skills.
Java, Oracle, Tomcat, WebSphere, PostgreSQL, OpenShift Container Platform (OCP), Kubernetes, PGLogical, GitHub Copilot, Claude
2w
Save
Mark Applied
Hide
Senior Software Engineer
Illinois, United States
$60k-$100k/yr RemoteFull Time
5+ YOEBachelor's degree in computer science, computer engineering, or related field; 5+ years of .NET development; healthcare EDI, SQL Server, SSRS, ASP.NET, C#, jQuery, and software testing experience.
Azure DevOps, SQL Server, SQL Server Reporting Services (SSRS), .NET, ASP.NET, C#, jQuery, ADO.NET, EDI, CMS, HIPAA, PPACA, Medicaid, Medicare, UB04
3w
Save
Mark Applied
Hide
Senior Software Engineer
Chicago or Peoria or Irving or Dallas or Denver
$113k-$183k/yr OnsiteFull Time
Proven Java/Spring Boot software engineering experience, cloud deployment (AWS/Azure), SQL/ORM, CI/CD and automated testing, microservices, containerization, and mentoring experience; bachelor's degree preferred.
Java, Spring Boot, Hibernate, JPA, Spring Data, SQL, Snowflake, Playwright, Docker, Kubernetes, React, Angular, AWS, Azure
1w
Save
Mark Applied
Hide
Senior Software Engineer
Illinois, United States
$126k-$190k/yr HybridFull Time
5+ YOEBachelor's degree or equivalent practical experience, 5+ years in software engineering, cloud-native or distributed systems expertise, and experience with production ownership, multi-tenant systems, CI/CD, testing, observability, and incident response.
React, .NET, GitHub Copilot, Cursor, Claude Code
3w
Save
Mark Applied
Hide
Senior Software Developer
Bedford Park, Illinois, United States
$120k-$140k/yr HybridFull Time
5+ YOE5+ years professional software development experience; advanced proficiency with C#, .NET, React; Git; CI/CD and automated testing experience; bachelor's in CS/Engineering or equivalent.
C#, .NET, React, Git, Microsoft Azure, AWS, Claude Code, Codex, GitHub Copilot, SQL
1w
Save
Mark Applied
Hide
Senior Software Engineer
Chicago, Illinois, United States
$100k-$110k/yr OnsiteFull Time
4+ YOEComputer science, information systems, engineering, or related degree; 4+ years of full-stack experience; JavaScript/TypeScript, backend language, frameworks, APIs, databases, cloud architecture, Git, CI/CD, and testing.
JavaScript, TypeScript, Python, Node.js, Go, React, Vue, Angular, RESTful APIs, PostgreSQL, MySQL, Snowflake, dbt, Airflow, Prefect, Git, CI/CD, automated testing, Claude Code, Azure Cloud, ClickUp, GitHub, AzureML, Salesforce CRM, GDPR, CCPA
2mo
Save
Mark Applied
Hide
Senior Software Engineer
Chicago or New York City or Toronto or London or Frankfurt or Tokyo or Hong Kong or Seoul or Sydney
$145k-$180k/yr HybridFull Time
7+ YOE7+ years software engineering experience, Bachelor's degree (Computer Science/Business) required, experience with Microsoft .NET/C#, Python a plus, Agile, CI/CD (Azure DevOps/GitHub Actions), database design (SQL Azure/Microsoft SQL Server/NoSQL), TDD and testing, strong communication and mentoring skills.
Microsoft .NET, C#, Python, Microsoft Azure DevOps, GitHub Actions, SQL Azure, Microsoft SQL Server, NoSQL
1w
Save
Mark Applied
Hide
Senior Software Developer
Bedford Park, Illinois, United States
$120k-$140k/yr OnsiteFull Time
5+ YOEBachelor's degree or equivalent experience, 5+ years of software development, and advanced proficiency with C#, .NET, React, Git, Agile, CI/CD, software architecture, testing, and AI-assisted development tools.
C#, .NET, React, Git, Agile, CI/CD, Microsoft Azure, AWS, SQL, REST APIs, Claude Code, Codex, GitHub Copilot
1w
Save
Mark Applied
Hide
Senior Software Engineer
Rockford, Illinois, United States
$87k-$165k/yr HybridFull Time
5+ YOESTEM degree with 5+ years of relevant experience or advanced degree with 3+ years; embedded software lifecycle, C, requirements, verification, certification, lab testing, and aerospace standards experience required.
C, Assembly, Python, Tcl/Tk, MATLAB, Simulink, RTOS, IBM Rational Synergy, IBM Rational Change, DOORS, DXL, Texas Instruments TMS320F2812, PowerPC, CAN, Ethernet
1w
Save
Mark Applied
Hide
Senior Software Engineer
Portland or North Dakota or Montana or Maine or Ohio or Nebraska or Phoenix or Louisiana or Texas or Nevada or Georgia or Tampa or Mississippi or Colorado or Denver or Wyoming or Wisconsin or West Virginia or Vermont or Richardson or Arkansas or Dallas or South Dakota or Pennsylvania or Michigan or Indiana or Idaho or Arizona or Plano or New Mexico or New Hampshire or Kentucky or Alabama or Philadelphia or South Carolina or Austin or Illinois or Atlanta or Missouri or Iowa or Tennessee or Boulder or North Carolina or Minnesota or Kansas or Houston or Alaska or Chicago or Rhode Island or Washington or Virginia or Utah or Oregon or Florida or Miami or Oklahoma
$139k-$204k/yr RemoteFull Time
5+ YOEBachelor's degree with 5+ years, master's with 3+ years, or PhD with 1+ year; production software development, testing, troubleshooting, code reviews, technical design, scalability, reliability, and security experience.
AI/ML, generative AI, LLMs, AI agents
2mo
Save
Mark Applied
Hide
Software Engineer
Peoria or Chicago or Dallas
$98k-$158k/yr OnsiteFull Time
Senior-level software engineer to develop Python data pipelines, implement source-to-target mapping, build CI/CD pipelines, perform unit/integration testing, and work with cloud and data platforms (AWS, Snowflake).
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, IAM, RDS, Snowflake, GitHub Copilot, Claude Code
2mo
Save
Mark Applied
Hide
Senior Software Engineer - Product
Yonkers or Washington or Colchester or Arizona or California or Connecticut or Illinois or Maryland or Massachusetts or Michigan or New Hampshire or New Jersey or New York or Texas or Vermont or Virginia or District of Columbia
$115k-$160k/yr RemoteFull Time
5+ YOE5+ years software engineering experience; proficiency with React, React Native, Python (FastAPI); experience building multi-platform apps, CI/CD, automated testing, observability; strong communication; bachelor’s degree preferred.
React, React Native, Python, FastAPI, AWS, Azure, Google Cloud Platform, CI/CD
3d
Save
Mark Applied
Hide
Senior Embedded Software Engineer
Marengo or Houston
$120k-$165k/yr HybridFull Time
7+ YOEBachelor’s degree and 7+ years of embedded software engineering experience in an OEM environment. Requires software architecture, product lifecycle, integration, validation, CAN analysis, debugging, and automated testing expertise.
Git, CI/CD, CAN, CANAnalyzer, PCAN, Network analyzer, SIL/HIL, Model-in-the-Loop, RTOS, LiDAR, UWB
2mo
Save
Mark Applied
Hide
Senior Software Engineer
San Francisco or Miami or Atlanta or Salt Lake City or Phoenix or Washington D.C. or Los Angeles or Seattle or Chicago or Boston or Austin or New York City
$153k-$205k/yr RemoteFull Time
6+ YOE6+ years professional software development with Java and Go; bachelor’s in CS or equivalent; led small technical teams; experience with payment systems, RESTful APIs, cloud services, and SQL; strong system design, testing, and communication skills.
Java, Go, AWS, Google Cloud, Microsoft Azure, SQL, NoSQL, RESTful API
1mo
Save
Mark Applied
Hide
Senior Software Engineer
United States or Arizona or California or Colorado or District of Columbia or Florida or Georgia or Iowa or Illinois or Massachusetts or Maryland or Michigan or Minnesota or Montana or Nebraska or North Carolina or New Hampshire or New Jersey or Nevada or New York or Ohio or Oregon or Pennsylvania or Rhode Island or Tennessee or Texas or Utah or Washington
$170k-$195k/yr RemoteFull Time
4+ YOE4+ years software engineering experience; strong Node.js and/or Go; familiarity with Vue.js, relational DBs, Redis, queue systems, Terraform/CloudFormation, testing, observability, and production ownership.
Node.js, Go, Vue.js, AWS, SQS, Lambda, Postgres, MySQL, SQL Server, Redis, Kafka, Kinesis, Terraform, CloudFormation
3w
Save
Mark Applied
Hide
Senior Software Engineer
Chicago or United States or Canada or South America or Europe
$125k-$150k/yr RemoteFull Time
Experienced engineer able to develop back-end and front-end code, reason about infrastructure and production, advocate for maintainable architecture and testing, use AI-assisted development tools, and partner with clients.
Python, Node.js, TypeScript, React, Vue.js, AWS, GCP, Azure, Terraform, Docker, Miro, Notion, Slack, Zoom
2mo
Save
Mark Applied
Hide
Senior Software Engineer
United States or Connecticut or South Carolina or Pennsylvania or New Hampshire or Hawaii or California or Alaska or Washington or Oregon or Texas or Alabama or Mississippi or Tennessee or Illinois or Wisconsin or Louisiana or Arkansas or Missouri or Iowa or Minnesota or Oklahoma or Kansas or Nebraska or South Dakota or North Dakota or Colorado or Wyoming or Idaho or Montana or Utah or Vermont or North Carolina or Massachusetts or Georgia or Rhode Island or New York or Maryland or Delaware or Virginia or Ohio or New Jersey or Maine
$148k-$185k/yr RemoteFull Time
Worksoft: Automation platform for enterprise business process testing and discovery.
10+ YOEBachelor's in CS/Engineering or 15+ years related experience; 10+ years Windows OO development; strong C#/.NET skills; WinForms/WPF experience; problem-solving, troubleshooting, and customer-facing communication skills; familiarity with CI/CD and test automation preferred.
C#, .NET, .NET Framework, VB.NET, C++, Win32, WinForms, WPF, SQL, Web Services, WCF, COM, SAML, OAuth, Machine Learning, Deep Learning, OCR, Image Processing, SAP GUI, WebExtensions, Java, Oracle Forms, Mainframe, Acrobat, Email, UIA, MSAA, Applitools, SoapUI, Postman, Perfecto, Microsoft Office, Silverlight, macOS, Cocoa, Swift, Xcode, Mono, Xamarin, MAUI, Jenkins, Groovy, Bash, Z Shell, Batch, PowerShell, NANT, MSBuild, Git
1mo
Save
Mark Applied
Hide
Senior Software Engineer, Agentic Systems
Chicago or United States
$169k-$208k/yr RemoteFull Time
5+ YOE5+ years building production software with strong Python; hands-on experience building LLM-powered agents, prompt/context engineering, production LLM reliability, evaluation harnesses, testing and observability.
Python, LLM, AWS Bedrock, Neo4j, NodeZero
Explore Jobs
Expand Your Job Search
Top Cities in Illinois for Senior Software Testing Engineer
- Senior Software Testing Engineer jobs in Chicago, IL
- Senior Software Testing Engineer jobs in Aurora, IL
- Senior Software Testing Engineer jobs in Rockford, IL
- Senior Software Testing Engineer jobs in Joliet, IL
- Senior Software Testing Engineer jobs in Naperville, IL
- Senior Software Testing Engineer jobs in Springfield, IL
- Senior Software Testing Engineer jobs in Peoria, IL
- Senior Software Testing Engineer jobs in Elgin, IL
- Senior Software Testing Engineer jobs in Waukegan, IL
- Senior Software Testing Engineer jobs in Champaign, IL
- Senior Software Testing Engineer jobs in Cicero, IL
- Senior Software Testing Engineer jobs in Bloomington, IL
- Senior Software Testing Engineer jobs in Arlington Heights, IL
- Senior Software Testing Engineer jobs in Evanston, IL
- Senior Software Testing Engineer jobs in Schaumburg, IL
- Senior Software Testing Engineer jobs in Bolingbrook, IL
- Senior Software Testing Engineer jobs in Decatur, IL
- Senior Software Testing Engineer jobs in Palatine, IL
- Senior Software Testing Engineer jobs in Skokie, IL
- Senior Software Testing Engineer jobs in Des Plaines, IL