189 senior software development engineer jobs at 86 companies in Union, IL
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Senior Software Development Engineer
Northbrook, Illinois, United States
$100k-$140k/yr OnsiteFull Time
4+ YOEBachelor's in CS or related, 4+ years C#/.NET experience (Blazor), MS SQL Server and VBA proficiency, EM engineering tool experience, strong OOP/design pattern knowledge, cross-team collaboration skills.
C#, .NET, Blazor, MS SQL Server, VBA, agentic engineering tools, Jira, Confluence, Bamboo, Stash, Message Bus, HTTP, REST APIs, JSON
3d
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Staff Software Development Engineer
Arizona or Buffalo Grove or Richardson
$118k-$237k/yr RemoteFull Time
7+ YOE7+ years large-scale software development, 2+ years technical lead, experience with Java/React/Angular/Spring Boot and cloud-native apps; CI/CD, containers, and cloud platform experience preferred.
Java, React, Angular, Spring Boot, REST API, JPA, Jenkins, CircleCI, GitHub, GitLab, Docker, Kubernetes, Azure, GCP, AWS, CI/CD
2mo
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Senior Software Engineer - Digital and Web
Naperville, Illinois, United States
$106k-$159k/yr HybridFull Time
6+ YOESenior software engineer with 6+ years of full-stack experience; Next.js/React, GraphQL, Node.js, MongoDB; Docker/Kubernetes; GA/SEO; e-commerce/subscription experience preferred.
React, Next.js, GraphQL, Node.js, MongoDB, Docker, Kubernetes, REST, WebSockets, XML, JSON, YAML, Tailwind, Bootstrap, SCSS, Google Analytics, Google Webmaster Tools, SEO
1w
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Senior Software Developer
Bedford Park, Illinois, United States
$120k-$140k/yr OnsiteFull Time
5+ YOE5+ years professional software development experience; strong C#, .NET, React skills; proficiency with Git, CI/CD, automated testing, AI-assisted development tools; bachelor's in CS/engineering or equivalent.
C#, .NET, React, Git, CI/CD, Microsoft Azure, AWS, Claude Code, Codex, GitHub Copilot, SQL, REST APIs
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Senior Software Engineer
North Chicago, Illinois, United States
OnsiteFull Time
5+ YOEU.S. citizen able to obtain Secret clearance; Bachelor's in engineering/computer science; 5+ years software development for modeling and simulation; experience with Windows and Linux; proficiency in Assembly, C/C++, .NET, Java; CompTIA Security+ preferred.
Assembly, C, C++, Microsoft .Net, C#, VB, Java, Microsoft Windows, Windows 7, Windows 10, Windows Server 2008R2, Windows Server 2012R2, Red Hat Enterprise Linux 5, Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7, Linux
4w
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Senior Software Engineer
Westchester, Illinois, United States
$99k-$124k/yr RemoteFull Time
10+ YOEBachelor's in CS/IT, 10+ years software development with backend Java experience; proficiency in Python/Go, Spring Framework, cloud platforms, containerization, relational databases, CI/CD, and strong communication.
Java, Python, Go, Spring Framework, Spring Boot, Spring Data, Spring Security, MySQL, PostgreSQL, AWS, Azure, GCP, Docker, Kubernetes, React, Angular
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Senior Software Developer
Charlotte or Morrisville or Yellow Springs or Morton Grove
HybridFull Time
7+ YOE7+ years software engineering experience; strong Java and Spring Boot skills; CI/CD and SDLC practices; identity and security fundamentals (OAuth2/OIDC, JWT); experience with Keycloak/Okta/Auth0/Entra ID preferred; strong communication.
Java, Spring Boot, OAuth 2.0, OIDC, JWT, Keycloak, Okta, Auth0, Entra ID, Angular, React, PKCE, SAML 2.0, CI/CD, API gateway
3w
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Senior Software Engineer (55220)
Vernon Hills, Illinois, United States
$108k-$127k/yr HybridFull Time
8+ YOEBachelor's in CS/Engineering,8+ years developing commercial B2B software for web/mobile/cloud/desktop,expertise with C#/.NET and Microsoft Full Stack,Azure experience,Git/DevOps,CI/CD,strong design and problem-solving skills.
C#, .NET, Microsoft Full Stack, Microsoft Azure, Git, DevOps, MFC, Java, React, AWS, Google Cloud
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Senior Software Engineer
Downers Grove, Illinois, United States
$110k-$130k/yr HybridFull Time
5+ YOE5+ years .NET software development experience, strong expertise in ASP.NET Core/Web API, EF Core, SQL Server, Microsoft Azure services, CI/CD, and modern front-end frameworks (Angular or React). Bachelor's in CS or related (or equivalent experience).
.NET (6/7/8+), ASP.NET Core, Web API, Entity Framework Core, ASP.NET MVC, Angular, React, TypeScript, JavaScript, SQL Server, Microsoft Azure, Microsoft App Service, Microsoft Functions, Microsoft Azure SQL, Microsoft Application Insights, Azure DevOps, GitHub Actions, Git, CI/CD
2mo
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Senior Cyber Embedded Software Engineer
Schaumburg, Illinois, United States
OnsiteAll Commitments Available
Embedded software, cybersecurity, and reverse engineering experience; strong C/C++, Python; Linux; BS/MS in CS/CE/Software; US citizenship with ability to obtain clearance; TS/SCI preferred.
Ghidra, IDA Pro, Radare2, GDB, JTAG, Wireshark, ELF, PE, IP, TCP, UDP, TLS, SIP, SRTP, ARM, MIPS, PPC, x86, C, C++, Python, Linux
4w
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Senior Software Engineer
Lisle, Illinois, United States
$92k-$138k/yr OnsiteFull Time
3+ YOE3+ years professional software engineering experience; proficiency in server-side and frontend languages; cloud and database familiarity; strong communication and code-quality focus.
TypeScript, Python, Java, C#, Ruby, React, Angular, Vue, Azure, AWS, GCP, Terraform, NextJS, Tailwind, NestJS, SQLServer, Apache Lucene, Jest
2w
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Senior Software Engineer 1
Oak Brook or Sioux Falls or Tempe
HybridFull Time
Engineering role in software development within an industrial manufacturing company; hybrid full-time position at multiple U.S. sites.
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Senior Software Developer
Waukegan, Illinois, United States
$131k/yr OnsiteFull Time
3+ YOEBachelor's in CS or related plus 3 years software development; 3+ years with Java, Angular, REST, microservices, Git, JPA, SQL, JSON, SOAP, XML, CI/CD, caching, service discovery, and Spring.
Java, Angular, REST, Git, JPA, SQL, JSON, SOAP, XML, CI/CD tools, Spring
4w
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Senior Software Engineer
Lisle, Illinois, United States
$92k-$138k/yr OnsiteFull Time
3+ YOE3+ years professional software engineering or equivalent via degree plus experience; proficiency in server-side and frontend technologies, cloud platforms, Terraform; US work authorization required.
TypeScript, Python, Java, C#, Ruby, React, Angular, Vue, Azure, AWS, GCP, Terraform, NextJS, Tailwind, NestJS, Microsoft SQL Server, Apache Lucene, Jest
1w
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Senior Software Engineer
Chicago or Lake Forest
$113k-$188k/yr HybridFull Time
3+ YOEBachelor's or equivalent, 3+ years modern software engineering, experience with Python/Go/Java, React, cloud (AWS), Terraform, Kubernetes, CI/CD and DevSecOps, strong communication and mentoring skills.
Python, Go, Java, React, Kubernetes, AWS, Terraform, GitHub Actions, CI/CD, OPA
2mo
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Senior Software Engineer - ERP
Rosemont, Illinois, United States
$108k-$134k/yr OnsiteFull Time
2+ YOEBachelor’s Degree in Engineering or Computer Science with 2-4 years, or High School Diploma/GED with 5-7+ years; JD Edwards ERP experience in wholesale/distribution; development and support of ERP applications; SDLC/ITIL familiarity.
Java, C, C++, JD Edwards, BI Publisher, Linux, JDEdwards
3w
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Senior Software Engineer
Elgin, Illinois, United States
OnsiteFull Time
Bachelor's degree in engineering, 4+ years medical device experience, 1+ year embedded development, proficiency in C and assembly, experience with microprocessor-based devices, communication protocols, debugger use, FDA/ISO processes.
C, Assembly, Linux, I2C, SPI, RS232, Ethernet, Bluetooth, Wi-Fi, Microsoft Word, Microsoft Excel, Microsoft PowerPoint
1mo
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Mainframe Software Development Engineer in Test
Lisle, Illinois, United States
$110k-$176k/yr OnsiteFull Time
5+ YOE5+ years relevant experience, practical mainframe development/testing experience, proficiency with JCL, scripting (Python, JSON, REXX), CI/CD (Jenkins), strong analytical and problem-solving skills.
Job Control Language (JCL), Python, JSON, REXX, Jenkins, RestAssured, Java, JavaScript, TypeScript, JUnit, TestNG, JMeter
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Senior Software Engineer
Downers Grove, Illinois, United States
$110k-$130k/yr HybridFull Time
5+ YOE5+ years with Microsoft technology stack (.NET, ASP.NET Core), strong SQL Server and Azure experience, API and cloud-native architecture skills, CI/CD and Git proficiency, Bachelor's in CS or related or equivalent experience.
.NET (6/7/8+), .NET Framework, ASP.NET Core, Web API, Entity Framework Core, ASP.NET MVC, Angular, React, TypeScript, JavaScript, SQL Server, Microsoft Azure, Microsoft Azure App Service, Microsoft Azure Functions, Microsoft Azure SQL, Microsoft Application Insights, CI/CD, Git, Microsoft Azure DevOps, GitHub Actions
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Senior Software Engineer
Downers Grove, Illinois, United States
$110k-$130k/yr HybridFull Time
5+ YOE5+ years with Microsoft stack (.NET 6/7/8+, ASP.NET Core, Web API, EF Core), SQL Server, Azure services, CI/CD and Git; bachelor\u0002s degree or equivalent experience; strong API, security, testing, and mentoring skills.
.NET, .NET 6, .NET 7, .NET 8, ASP.NET Core, Web API, Entity Framework Core, ASP.NET MVC, Angular, React, TypeScript, JavaScript, SQL Server, Microsoft Azure, App Service, Functions, Azure SQL, Application Insights, CI/CD, Git, Azure DevOps, GitHub Actions
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