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Top C# Jobs in Chicago, IL

8 Hours Ago
Easy Apply
Hybrid
Chicago, IL
Easy Apply
Mid level
Mid level
Fintech
The role involves full life cycle development and deployment of C++ applications for a trading platform, focusing on low-latency solutions and system optimization. The engineer will collaborate with the quant team, troubleshoot real-time data issues, and improve system performance.
Top Skills: C#C++Java
16 Hours Ago
Chicago, IL
125K-200K Annually
Mid level
125K-200K Annually
Mid level
Fintech • Software
The Software Engineer will develop trading algorithms, conduct high-speed data analysis, and design execution engines, primarily writing efficient C++ code on Linux. The role requires collaboration within a technology-focused team in a proprietary trading firm.
Top Skills: C#C++Java
18 Hours Ago
Hybrid
Chicago, IL
Senior level
Senior level
Enterprise Web • Fintech • Financial Services
The Lead Software Engineer will develop and maintain web applications, APIs, and microservices using Microsoft and Cloud technologies. He/she will lead a team, mentor junior engineers, and collaborate with global teams on various project activities. Responsibilities also include monitoring systems performance and addressing production issues to improve system availability.
Top Skills: .NetAWSC#JavaScriptNode.jsPythonSQL
Senior level
Cloud • Insurance • Payments • Software
The Staff Software Engineer will work on developing, monitoring, and scaling internal and external systems while ensuring reliability and performance. Responsibilities include collaborating with teams on system design, mentoring, maintaining CI/CD pipelines, and implementing RESTful services and APIs.
Top Skills: C#GoJava
Senior level
AdTech • eCommerce • Food • Marketing Tech • Retail
The Senior Software Engineer will design, develop, and implement software solutions for distribution center systems, collaborating with various stakeholders. Responsibilities include coding, conducting quality assurance, reducing technical debt, and leading other team members in projects from inception to completion.
Top Skills: C#C++CobolColdfusionJavaPython
2 Days Ago
Chicago, IL
Senior level
Senior level
AdTech • eCommerce • Food • Marketing Tech • Retail
The EDI Developer will design, develop, and implement software solutions, enhance existing systems, and collaborate with teams to ensure technical requirements are met. They will manage projects from inception to implementation including testing and documentation, while leading efforts to maintain code quality and reduce technical debt.
Top Skills: C#C++CobolColdfusionJavaPython
3 Days Ago
Chicago, IL
139K-192K Annually
Junior
139K-192K Annually
Junior
eCommerce • Hardware • Logistics • Mobile • Software
In this role, you'll automate call center and distribution activities, write code for web applications and Mainframe systems, leverage data for decision-making, and participate in learning groups and mentorship to improve technical skills.
Top Skills: C#CobolJclRexx
3 Days Ago
Remote
Hybrid
Chicago, IL
Senior level
Senior level
Cloud • Enterprise Web • Information Technology • Productivity • Professional Services • Software • Consulting
The Senior Back End Developer will design, develop, and maintain scalable and high-quality back-end systems for SaaS products, collaborating with front-end developers and project managers. Responsibilities include implementing security standards, leading technical teams, conducting code reviews, and promoting continuous improvement within the development process.
Top Skills: C#

Featured Jobs

3 Days Ago
Easy Apply
Remote
Chicago, IL
Easy Apply
Senior level
Senior level
Marketing Tech • Social Media • Software • Analytics • Business Intelligence
Sprout Social is looking to hire an Engineering Manager to lead a team of engineers in developing and maintaining software systems, focusing on back-end development. The role involves managing technical roadmaps, providing feedback and coaching to the team, and collaborating with other engineering leaders.
Top Skills: C#JavaPython
4 Days Ago
Chicago, IL
163K-192K Annually
Mid level
163K-192K Annually
Mid level
eCommerce • Hardware • Logistics • Mobile • Software
As a Lead Software Engineer, you will guide diverse projects, enhance web and app ordering experiences, leverage data for product development, and automate distribution centers while collaborating with other teams and mentoring engineers.
Top Skills: C#JavaRuby
Senior level
AdTech • eCommerce • Food • Marketing Tech • Retail
The Senior Software Engineer develops and implements software solutions for Master Data Management, collaborating with stakeholders and leading technical projects. Responsibilities include technical design, coding, quality assurance, and guiding team members, with a focus on scalable technology solutions and reducing technical debt.
Top Skills: C#C++CobolColdfusionJavaPythonSQL
5 Days Ago
Easy Apply
Chicago, IL
Easy Apply
100K-150K Annually
Mid level
100K-150K Annually
Mid level
Fintech • Financial Services
As a Software Engineer on the Applications Team at Gelber Group, you will develop and support applications for algorithmic trading desks, collaborate with engineering and trading teams, and engage in a fast-paced environment focusing on software development and system architecture.
Top Skills: C#C++JavaPython
5 Days Ago
Easy Apply
Chicago, IL
Easy Apply
80K-120K Annually
Junior
80K-120K Annually
Junior
Fintech • Financial Services
As a Junior Technical Operations Software Engineer at Gelber Group, you will manage and implement improvements to tech and trading operations, automate processes, troubleshoot complex issues, and collaborate with various teams to enhance overall efficiency. The role involves serving in a fast-paced environment and requires a strong interest in technical skill development.
Top Skills: C#JavaPythonSQL
5 Days Ago
Remote
Chicago, IL
Senior level
Senior level
Fintech • Information Technology • Legal Tech • Software • Financial Services • Data Privacy
The Senior Site Reliability Engineer at DFIN is responsible for ensuring SaaS product stability and performance through automated systems, monitoring, and collaboration. The role involves managing AKS clusters, optimizing performance, and delivering on project milestones while participating in on-call duties.
Top Skills: C#JavaPowershellPython
5 Days Ago
Hybrid
Chicago, IL
Senior level
Senior level
Fintech • Information Technology • Legal Tech • Software • Cybersecurity • Data Privacy
The Senior Software Quality Assurance Analyst is responsible for ensuring software quality through manual and automated testing, developing test plans, and collaborating with developers. Duties include identifying defects, conducting performance tests, and mentoring team members.
Top Skills: C#JavaScriptSQL
5 Days Ago
Remote
Chicago, IL
Senior level
Senior level
Cloud • Insurance • Payments • Software
The Senior Software Engineer will develop and maintain web applications and microservices using React and Golang, collaborate with teams to deliver high-quality technical solutions, and ensure stack designs meet security, speed, and scalability standards.
Top Skills: .NetC#GoJavaScriptNode JsReactTypescript
8 Days Ago
Chicago, IL
139K-192K Annually
Junior
139K-192K Annually
Junior
eCommerce • Hardware • Logistics • Mobile • Software
As a z/OS Systems Programmer, you will support the mainframe environment by maintaining systems, automating operations, connecting web applications to mainframes, and leveraging data for product development. Engagement in collaborative learning and mentoring is encouraged.
Top Skills: .NetC#CicsCobolDb2JclKotlinPythonReactSwiftZ/Os
8 Days Ago
Easy Apply
Remote
Chicago, IL
Easy Apply
Senior level
Senior level
Marketing Tech • Social Media • Software • Analytics • Business Intelligence
The Staff Software Engineer at Sprout Social will lead the Customer Experience Engineering team in developing scalable backend systems and tools, guiding engineering projects, and ensuring high-quality software delivery while collaborating with stakeholders and cross-functional teams.
Top Skills: C#C++JavaPython
8 Days Ago
Remote
Chicago, IL
87K-111K Annually
Junior
87K-111K Annually
Junior
Fintech • Financial Services
As a Software Engineer II, you will develop user experiences and API-based solutions within an Agile environment. Responsibilities include collaborating with cross-functional teams, transforming designs into responsive front-end experiences, and ensuring high software quality through testing and adherence to best practices.
Top Skills: C#C++JavaJavaScriptPythonSql,T-SqlVb.Net
9 Days Ago
Hybrid
Chicago, IL
Junior
Junior
Productivity • Professional Services • Sales • Software • Consulting
The Escalation Support Software Engineer will resolve complex customer issues as part of the final support line, triaging product issues and collaborating across teams. Responsibilities include debugging code, developing tools to automate tasks, mentoring technical support engineers, and creating documentation while ensuring a positive customer experience.
Top Skills: .NetAngularC#ReactTypescriptVb.Net
9 Days Ago
Easy Apply
Hybrid
Chicago, IL
Easy Apply
Senior level
Senior level
Fintech • Information Technology • Other • Software • Financial Services
As a Front End Developer at Belvedere Trading, you will collaborate with traders and product owners to create functional user interfaces for trading systems. Your responsibilities include software development, application design, maintaining and troubleshooting trading applications, and ensuring high-quality software delivery while applying best practices in development.
Top Skills: C#JavaReactRedux
Senior level
Cloud • Insurance • Professional Services • Analytics • Cybersecurity
The Senior Software Development Engineer in Test will lead automated testing initiatives, mentor junior engineers, and drive quality engineering practices while collaborating with Agile teams to ensure software reliability and quality standards are met.
Top Skills: C#JavaJavaScriptPythonTypescript
9 Days Ago
Easy Apply
Hybrid
Chicago, IL
Easy Apply
Senior level
Senior level
Fintech • Information Technology • Other • Software • Financial Services
The Team Lead for Front End Engineering will lead a development team to build applications for traders, mentor team members, and collaborate with product managers. Responsibilities include enhancing user experience, managing team projects, and improving code quality while fostering a collaborative environment.
Top Skills: C#C++CSSJavaScriptPythonReactTypescript
9 Days Ago
Hybrid
Chicago, IL
Senior level
Senior level
Cloud • Insurance • Professional Services • Analytics • Cybersecurity
The Senior Software Engineer will be responsible for leading and architecting complex systems applications, mentoring programming staff, and ensuring the efficient integration of business applications. This role involves evaluating client requirements, providing technical consultation, and designing efficient solutions. The engineer will work closely with clients and vendors, supporting application implementations and managing project teams.
Top Skills: C#JavaJavaScriptPythonRSQLTypescript
9 Days Ago
Hybrid
Chicago, IL
Senior level
Senior level
Enterprise Web • Fintech • Financial Services
The Senior Software Engineer will join an Agile team to deliver high-quality software solutions and maintain components. Responsibilities include designing and implementing scalable applications, participating in production support, and adapting to new technologies.
Top Skills: C#JavaScriptTypescript
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