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Top C# Jobs in Chicago, IL

413+ Job Results
17 Days Ago
Chicago, IL, USA
1,600 Employees
Senior level
1,600 Employees
Senior level
Fintech
Senior Software Engineers at Optiver lead technical projects, shape trading infrastructure, and work closely with traders to solve complex business problems. They design and maintain trading systems, ensuring high performance and adherence to coding standards.
Top Benefits:
401-K
401-K Matching
Company Outings
+23 More
22 Days Ago
Chicago, IL, USA
160 Employees
165K-185K Annually
Senior level
160 Employees
165K-185K Annually
Senior level
Software
The Azure AI Architect will develop and implement web-based user interfaces for chat experiences, collaborate with backend teams to integrate RESTful APIs, and utilize Azure services for optimum performance. The role includes web testing, maintaining the codebase, and working with containers for deployment.
9,069 Employees
Senior level
Healthtech
As a Software Engineer III, you will develop and maintain scalable software applications, design user interfaces, optimize database solutions, and create data integration solutions. You will collaborate with teams, ensure performance quality, and mentor junior developers.
17 Minutes Ago
United States of America
9,069 Employees
Senior level
9,069 Employees
Senior level
Healthtech
As a Salesforce Software Engineer IV, you will lead the design, build, and maintenance of technical processes within Salesforce. Key responsibilities include developing on the Salesforce platform, managing security models, performing code reviews, and ensuring architecture standards are met. You will also work with Salesforce Lightning and integrate with various platforms, alongside testing and documentation of processes.
2 Hours Ago
USA
Remote
127 Employees
Senior level
127 Employees
Senior level
Professional Services • Software
The Support Service Specialist supports clients' business file transfer systems, resolving issues within the Microsoft Logic Applications suite in Azure. They collaborate with clients and team members to provide solutions, assist in file delivery failures, and ensure effective usage of the application suite.
3 Hours Ago
US
Remote
5,436 Employees
97K-162K Annually
Junior
5,436 Employees
97K-162K Annually
Junior
Other • Software • Analytics
The SDET will collaborate with Product Engineers and Software Developers to enhance testing infrastructure, develop and maintain automated tests, manage integration testing, and ensure quality across various 3D applications. Responsibilities include troubleshooting, analyzing test results, and advocating for quality throughout the software development lifecycle.
Top Benefits:
401-K
Commuter Benefits
Company Outings
+13 More
3 Hours Ago
United States
6,764 Employees
Senior level
6,764 Employees
Senior level
Biotech
Lead a software development team focusing on delivering high-quality cloud-based solutions for veterinary software. Responsibilities include project management, technical design documentation, code reviews, and collaboration with cross-functional teams to solve complex challenges.
3 Hours Ago
United States
6,764 Employees
Senior level
6,764 Employees
Senior level
Biotech
The Senior Full Stack Engineer will lead a squad to develop high-quality solutions leveraging cloud platforms in veterinary software. Responsibilities include technical documentation, building scalable projects, performing code reviews, refactoring frameworks for performance, and collaborating with cross-functional teams.
4 Hours Ago
USA
Remote
64 Employees
Mid level
64 Employees
Mid level
Consulting • Energy
As a Middle .NET Engineer, you'll develop solutions for energy trading within a specialized Energy Trade and Risk Management system. Responsibilities include code design, implementation, and maintenance using C#/.NET, writing maintainable and tested code, participating in code reviews, and collaborating within an agile framework.
5 Hours Ago
3 Locations
97,838 Employees
109K-219K Annually
Senior level
97,838 Employees
109K-219K Annually
Senior level
Healthtech
The Firmware Engineer at Abbott leads software development and is responsible for delivering high-quality embedded software products. Duties include analyzing requirements, designing and implementing software, conducting verification and validation, and troubleshooting issues. The role involves working independently, supervising other engineers, and contributing to the enhancement of software specifications and testing processes.
Top Benefits:
401-K
Adoption Assistance
Child Care Benefits
+22 More
5 Hours Ago
4 Locations
97,838 Employees
57K-115K Annually
Junior
97,838 Employees
57K-115K Annually
Junior
Healthtech
As a Software Test Engineer, you will lead the software test workstream for various medical devices, manage tools and code repositories, and support quality system changes and documentation. You will work in collaboration with software developers while ensuring compliance with regulatory standards.
Top Benefits:
401-K
Adoption Assistance
Child Care Benefits
+22 More
5 Hours Ago
5 Locations
97,838 Employees
95K-190K Annually
Senior level
97,838 Employees
95K-190K Annually
Senior level
Healthtech
The Staff Firmware Engineer will lead firmware development for a critical subsystem focused on Bluetooth and NFC communication, including cybersecurity measures, test method development, and software documentation. This role requires collaboration across functions to clarify ambiguities in product design and development processes.
Top Benefits:
401-K
Adoption Assistance
Child Care Benefits
+22 More
6 Hours Ago
USA
Remote
7,863 Employees
187K-298K Annually
Senior level
7,863 Employees
187K-298K Annually
Senior level
Other • Real Estate • PropTech
As a Principal Backend Software Development Engineer, you will lead and support backend projects end-to-end, contribute to design and architectural decisions, mentor engineers, and advocate for best practices in a multi-functional team environment.
Top Benefits:
401-K
Adoption Assistance
Child Care Benefits
+20 More
10 Hours Ago
United States
Remote
95 Employees
Mid level
95 Employees
Mid level
Gaming • Hardware
The Software Developer/Engineer will develop new features for the Glorious CORE desktop software, innovate and enhance existing features, and improve compatibility with new products. The role involves collaboration with various teams and requires knowledge of software architecture and design patterns, with a user-centric approach to software development.
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