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Top C# Jobs in Chicago, IL

Reposted 16 Hours AgoSaved
Easy Apply
Hybrid
Chicago, IL
Easy Apply
195K-220K Annually
Senior level
195K-220K Annually
Senior level
Fintech • Software • Financial Services
Design, develop, and optimize high-performance trading systems; mentor junior engineers and enhance system monitoring for secure trade execution.
Top Skills: C++DockerGithub ActionsJavaJenkinsKafkaKubernetesRabbitMQScala
4 Days AgoSaved
Hybrid
Chicago, IL
Senior level
Senior level
Financial Services
As a Lead Software Engineer, you will design, develop, and enhance software solutions while leading agile teams and ensuring operational stability.
Top Skills: .Net CoreAsp.Net MvcAWSC#GitReactSQLT-SqlVisual Studio 2019/2022Web Api
Reposted 4 Days AgoSaved
Easy Apply
Hybrid
Chicago, IL
Easy Apply
165K-190K Annually
Senior level
165K-190K Annually
Senior level
Fintech • Software • Financial Services
As a Backend Software Engineer at NinjaTrader, you will design and implement scalable solutions using Scala in a Kubernetes environment to enhance trading systems and ensure high performance and low latency in data handling.
Top Skills: Google Cloud PlatformKubernetesScala
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 6 Days AgoSaved
Hybrid
Chicago, IL
150K-235K Annually
Senior level
150K-235K Annually
Senior level
AdTech • Digital Media • Marketing Tech
Lead Software Engineer responsible for developing and maintaining a high-performance online video Ad Server. Collaborate with PMs on software lifecycle, design, and technical specifications, while leading and mentoring a team.
Top Skills: C++Db DesignDistributed SystemsGoNetwork Programming
Reposted 8 Days AgoSaved
Hybrid
Chicago, IL
150K-224K Annually
Senior level
150K-224K Annually
Senior level
AdTech • Digital Media • Marketing Tech
The Lead Backend Engineer will design and implement features for a video advertising platform, ensuring high-quality software delivery and providing mentorship to junior engineers.
Top Skills: Agile SdlcAlgorithmsC++Data StructuresDistributed Systems
Reposted 8 Days AgoSaved
Hybrid
Chicago, IL
130K-194K Annually
Senior level
130K-194K Annually
Senior level
AdTech • Digital Media • Marketing Tech
Responsible for software development lifecycle including design, implementation, testing, and support of a video advertising platform. Collaborate with global teams and produce high-quality software while ensuring technical specifications are met.
Top Skills: C++Db DesignDistributed SystemsMission-Critical SystemsNetwork Programming
Reposted 8 Days AgoSaved
Hybrid
Chicago, IL
107K-169K Annually
Mid level
107K-169K Annually
Mid level
AdTech • Digital Media • Marketing Tech
Design, build, and support a video advertising platform. Ensure code quality, software development lifecycle, and technical support. Mentor junior engineers.
Top Skills: C++Db DesignDistributed SystemsNetwork Programming
Reposted 8 Days AgoSaved
Hybrid
Chicago, IL
107K-169K Annually
Mid level
107K-169K Annually
Mid level
AdTech • Digital Media • Marketing Tech
As a C++ Developer on the Ad Serving team, you'll design, develop, and maintain scalable cloud-based systems while optimizing algorithm performance and collaborating with stakeholders.
Top Skills: AerospikeC++Db DesignLinuxNetwork ProgrammingSnowflake
Reposted 8 Days AgoSaved
Hybrid
Chicago, IL
150K-235K Annually
Senior level
150K-235K Annually
Senior level
AdTech • Digital Media • Marketing Tech
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 8 Days AgoSaved
Hybrid
Chicago, IL
107K-169K Annually
Mid level
107K-169K Annually
Mid level
AdTech • Digital Media • Marketing Tech
Join FreeWheel as a Software Engineer focusing on algorithm performance and scalable ad serving systems, leading development and maintenance efforts.
Top Skills: AerospikeC++Cloud-Based SoftwareDb DesignLinuxSnowflake
Reposted 8 Days AgoSaved
Hybrid
Chicago, IL
150K-224K Annually
Senior level
150K-224K Annually
Senior level
AdTech • Digital Media • Marketing Tech
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
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Reposted 8 Days AgoSaved
Hybrid
Chicago, IL
130K-194K Annually
Senior level
130K-194K Annually
Senior level
AdTech • Digital Media • Marketing Tech
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 8 Days AgoSaved
Hybrid
Chicago, IL
107K-169K Annually
Mid level
107K-169K Annually
Mid level
AdTech • Digital Media • Marketing Tech
Looking for a Backend Engineer to design, build, and support a video advertising platform, ensuring high-quality software development and collaboration with global teams.
Top Skills: C++Db DesignDistributed SystemsNetwork Programming
Reposted 10 Days AgoSaved
In-Office
Chicago, IL
200K-300K Annually
Junior
200K-300K Annually
Junior
Artificial Intelligence • Fintech • Hardware • Other • Automation
Develop and optimize low-latency trading systems, work with C++, and improve performance-critical code while collaborating within a team.
Top Skills: AsicsC++Cpu ArchitectureFpgasLinuxNetwork CommunicationUnix
Reposted 12 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
The role involves designing, developing, optimizing, and maintaining high-performance automated trading systems using C++ and Python, collaborating with traders and other engineers.
Top Skills: C++Python
Reposted 6 Days AgoSaved
Remote or Hybrid
Chicago, IL
170K-230K Annually
Expert/Leader
170K-230K Annually
Expert/Leader
HR Tech • Information Technology • Professional Services • Sales • Software
The Senior Backend Engineer will develop core mechanisms for financial planning, lead backend development, mentor peers, and manage the full development cycle.
Top Skills: AWSAws GlueC#JavaMySQLPostgresPysparkScalaSinglestore
Reposted 16 Days AgoSaved
Easy Apply
In-Office
Chicago, IL
Easy Apply
80K-110K Annually
Junior
80K-110K Annually
Junior
Fintech
The Software Engineer will develop and improve back office systems, communicate with stakeholders, troubleshoot issues, and document software requirements and solutions.
Top Skills: .NetBlazorC#C++JavaPythonSQLWpf
Reposted 23 Days AgoSaved
Hybrid
Chicago, IL
120K-180K Annually
Senior level
120K-180K Annually
Senior level
Artificial Intelligence • Blockchain • Fintech • Database • Financial Services • Cybersecurity • Big Data Analytics
The Senior Software Engineer will design, develop, and maintain robust back-end systems for trading, focusing on low-latency, high-throughput solutions in a team environment.
Top Skills: .NetC#KafkaRabbitMQRest ApisWeb Sockets
Reposted 4 Days AgoSaved
In-Office
Chicago, IL
130K-130K Annually
Internship
130K-130K Annually
Internship
Fintech • Payments • Financial Services
As a Software Engineer Intern, you will develop, test, and maintain Windows desktop applications, collaborating with teams to enhance trading efficiency.
Top Skills: .NetC#GitNunitWinformsWpf
Reposted 4 Days AgoSaved
In-Office
Chicago, IL
130K-130K Annually
Entry level
130K-130K Annually
Entry level
Fintech • Payments • Financial Services
Entry-Level Software Engineer will work on low latency C++ applications for trading strategies, focusing on high performance and innovative solutions. Training is provided.
Top Skills: C++NumpyPandasPython
6 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
6 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 6 Days AgoSaved
In-Office or Remote
Chicago, IL
30-70 Hourly
Mid level
30-70 Hourly
Mid level
HR Tech • Other • Professional Services
The Software Engineer will analyze, rank, and improve AI-generated code, providing feedback for reinforcement learning in a remote role.
Top Skills: C#
Reposted 6 Days AgoSaved
In-Office or Remote
Chicago, IL
30-70 Hourly
Mid level
30-70 Hourly
Mid level
HR Tech • Other • Professional Services
The role involves training large-language models to improve code generation, reviewing and editing AI-generated code, and providing feedback for reinforcement learning refinement.
Top Skills: C++
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