Top C# Jobs in Chicago, IL

Reposted 6 Days AgoSaved
In-Office
Chicago, IL
110K-150K Annually
Junior
110K-150K Annually
Junior
Fintech • Software • Financial Services • Quantitative Trading
As a C++ Software Engineer, you will optimize performance for latency-critical systems, collaborate with traders and quants, and ensure code correctness in a fast-paced environment.
Top Skills: C++C++17C++20LinuxWindows
Reposted 6 Days AgoSaved
Hybrid
Chicago, IL
175K-225K Annually
Junior
175K-225K Annually
Junior
Fintech • Machine Learning • Software • Financial Services
Design and develop low latency, high-performance trading systems. Optimize code and solutions for hardware efficiency, ensuring seamless application integration.
Top Skills: C++
Reposted 10 Days AgoSaved
Hybrid
Chicago, IL
150K-235K Annually
Senior level
150K-235K Annually
Senior level
Digital Media • Information Technology • News + Entertainment
The Lead Software Engineer will build and maintain a high-performance distributed online video ad server, collaborating with project stakeholders and mentoring junior engineers.
Top Skills: C++Db DesignDistributed SystemsGoNetwork Programming
Reposted 10 Days AgoSaved
Hybrid
Chicago, IL
150K-235K Annually
Senior level
150K-235K Annually
Senior level
Digital Media • Information Technology • News + Entertainment
Lead the software development lifecycle for a video advertising platform, mentor junior engineers, and ensure quality and performance standards are met.
Top Skills: AgileC++Db DesignDistributed SystemsNetwork Programming
Reposted 10 Days AgoSaved
Hybrid
Chicago, IL
130K-194K Annually
Senior level
130K-194K Annually
Senior level
Digital Media • Information Technology • News + Entertainment
Design, build, and support video advertising platform features, collaborating with global teams and ensuring high-quality software development processes.
Top Skills: C++Db DesignDistributed SystemsNetwork Programming
Reposted 15 Days AgoSaved
Hybrid
Chicago, IL
110K-165K Annually
Mid level
110K-165K Annually
Mid level
AdTech • Digital Media • Marketing Tech
The C++ Engineer will design, build, and support FreeWheel's video advertising platform, handle the software development lifecycle, and collaborate with stakeholders.
Top Skills: C++Db DesignDistributed SystemsNetwork Programming
Reposted 15 Days AgoSaved
In-Office
Chicago, IL
100K-140K Annually
Junior
100K-140K Annually
Junior
Fintech • Software • Financial Services • Quantitative Trading
Develop and enhance performance-critical C++ applications for ultra-low latency trading systems, collaborating across teams to analyze and optimize performance.
Top Skills: C++C++17C++20
Reposted 15 Days AgoSaved
In-Office
Chicago, IL
80K-120K Annually
Entry level
80K-120K Annually
Entry level
Fintech • Software • Financial Services • Quantitative Trading
The role involves designing, developing, and testing C++ applications for trading systems, collaborating with traders, and ensuring application reliability.
Top Skills: C++Modern C++ (C++17/20)
Reposted 20 Days AgoSaved
Easy Apply
Hybrid
Chicago, IL
Easy Apply
175K-250K Annually
Senior level
175K-250K Annually
Senior level
Fintech • Information Technology • Other • Software • Financial Services • Quantitative Trading
Design, develop, and optimize high-performance trading applications, maintain real-time systems, and analyze complex technical problems. Collaborate with teams and ensure software quality standards.
Top Skills: C++
15 Days AgoSaved
Remote or Hybrid
Chicago, IL
70K-125K Annually
Junior
70K-125K Annually
Junior
Cloud • Insurance • Payments • Software • Business Intelligence • App development • Big Data Analytics
As a Software Engineer, you will design, develop, and deliver high-quality software, contribute to code reviews, monitor application performance, and ensure maintainability and consistency across products.
Top Skills: .NetAngularAsp.NetAWSAzureBashC#CachingDistributed SystemsHTTPJavaScriptMessagingPowershellQueuesRest ApisServicesSQLSql / Nosql Databases
Reposted 7 Days AgoSaved
In-Office or Remote
Chicago, IL
30-70 Hourly
Mid level
30-70 Hourly
Mid level
HR Tech • Other • Professional Services
Train large language models to write production-grade code across languages, review and improve AI-generated code, and maintain the RLHF feedback pipeline.
Top Skills: C++
Reposted 8 Days AgoSaved
In-Office
Chicago, IL
Senior level
Senior level
Information Technology • Software
The role involves using C++ for software development focusing on object-oriented principles, with projects on Linux and Windows operating systems. It requires strong debugging and testing skills, along with adaptability to new technologies.
Top Skills: C++DbLinuxWindows
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Reposted 8 Days AgoSaved
In-Office
Chicago, IL
Senior level
Senior level
Information Technology • Software
The C++ Developer will engage in software development focusing heavily on C++ and object-oriented programming, primarily for Linux and Windows systems.
Top Skills: C++LinuxWindows
Reposted 4 Hours AgoSaved
Remote
Chicago, IL
141K-208K Annually
Mid level
141K-208K Annually
Mid level
Database • Analytics
Contribute to and optimize the performance of ClickHouse, assist with debugging, collaborate with teams, and engage with the open-source community.
Top Skills: C++KubernetesTcp/IpUnix/Linux
Reposted 10 Days AgoSaved
In-Office
Chicago, IL
150K-200K Annually
Mid level
150K-200K Annually
Mid level
Financial Services • Quantitative Trading
Develop low-latency exchange connectivity and automated pricing systems for options market making. Work with traders, quants, and engineers on full software lifecycle, performance tuning, and deployment to production to directly impact trading revenue.
Top Skills: C++11C++14C++17C++20C++23Template Programming
Reposted 11 Days AgoSaved
In-Office
Chicago, IL
Senior level
Senior level
Information Technology • Professional Services
The role involves developing applications using .Net and SharePoint technologies, requiring a strong background in web application development and multiple programming languages.
Top Skills: .NetAngularjsC#CSSHTMLJavaScriptJqueryRestSharepoint TechnologiesSoapSQL ServerWeb Services
Reposted 12 Days AgoSaved
In-Office
Chicago, IL
130K-130K Annually
Mid level
130K-130K Annually
Mid level
Fintech • Payments • Financial Services
As a Software Engineer, you will design, implement, and deploy low latency trading strategies using C++, collaborating with Traders and Researchers to enhance performance and decision-making.
Top Skills: Agile MethodologiesC++Distributed SystemsLow Latency Trading
Reposted 2 Days AgoSaved
Remote
Chicago, IL
Mid level
Mid level
Cloud • Digital Media • Hardware • News + Entertainment • Software
The role involves designing and implementing high-throughput services in C++, optimizing performance, and contributing throughout the software development lifecycle, including testing and production support.
Top Skills: C++LinuxmacOSWindows
12 Days AgoSaved
In-Office
Chicago, IL
Mid level
Mid level
Fintech • Information Technology
Design, develop, and optimize high-performance C++ components for trading platforms, focusing on low-latency systems, while collaborating with multiple teams and ensuring production reliability.
Top Skills: C++CmakeFixGitLinuxMakeRestWebsocket
Reposted 12 Days AgoSaved
In-Office
Chicago, IL
150K-250K Annually
Mid level
150K-250K Annually
Mid level
Fintech • Financial Services
The C++ Developer will implement, test and deploy features for a high-frequency trading system, optimize performance, and debug issues.
Top Skills: BoostC++GitLinuxStl
Reposted 12 Days AgoSaved
Hybrid
Chicago, IL
Mid level
Mid level
Information Technology • Consulting
The Software Engineer will participate in designing and implementing software solutions, collaborating with various stakeholders, writing code, and addressing development challenges.
Top Skills: AgileAngularAzure Dev OpsC#CSSGitHTMLJavaScriptJIRAReactRelational DatabasesRest Apis
Reposted 3 Days AgoSaved
Remote
Chicago, IL
Senior level
Senior level
Agency
Lead a team to develop SaaS solutions while coding and mentoring engineers. Responsible for technical leadership and team management.
Top Skills: .Net.Net CoreBlazorC#Ci/Cd
Reposted 13 Days AgoSaved
In-Office
Chicago, IL
175K-300K Annually
Senior level
175K-300K Annually
Senior level
Fintech • Payments • Financial Services
The position involves building and optimizing automated trading infrastructure, developing trading algorithms, and creating scalable applications in a team environment.
Top Skills: BashC++LinuxPython
Reposted 4 Days AgoSaved
Chicago, IL
Senior level
Senior level
AdTech • Fintech • Information Technology • Database
Design and implement high-performance system software for medical devices, collaborating with hardware engineers and ensuring adherence to clinical standards.
Top Skills: C++Python
5 Days AgoSaved
Remote
Chicago, IL
105K-115K Annually
Senior level
105K-115K Annually
Senior level
Artificial Intelligence • Digital Media • Analytics • Consulting
The C#/.NET Developer will design, develop, and implement software solutions, collaborating in an Agile environment, and ensuring code quality and performance.
Top Skills: .NetAPIsAzureC#CSSHTMLJavaScriptPostgresSQL
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