404 c software developer jobs at 196 companies in Illinois
🚀PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yrOn-SiteFull Time
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).
GTS: Electronic market maker providing liquidity to global financial markets.
7+ YOEExpert in low-latency Linux C++ trading systems with 7+ years software engineering experience; proficiency with Git, gdb, Valgrind, Python, bash; BS/MS in engineering/computing/science; strong communication skills.
Headlands Technologies: A global proprietary trading firm utilizing quantitative algorithms.
Strong C++ ability, fundamentals of software engineering, experience building scalable distributed systems, network programming, and performance optimization; computing degree preferred or extensive professional experience.
Flow Traders: Provides liquidity and market making across global financial markets.
5+ YOE5+ years C++ development experience, strong algorithms and multithreading knowledge, interest in high-performance systems, and good communication skills.
Balyasny Asset Management: Global multi-strategy investment firm managing diverse financial assets.
Strong foundation in algorithms, data structures, distributed systems, and software design; proficiency in low-level C++; familiarity with automated testing and CI/CD; strong communication and collaboration skills.
Balyasny Asset Management: Global multi-strategy investment firm managing diverse alternative asset classes.
Strong foundation in algorithms, data structures, distributed systems, and software design; desire to learn low-level C++; familiarity with automated testing and CI/CD; excellent communication skills.
(Senior) Software Engineer - Data Management ( C#, Go or C++)
Munich or Chicago or Heidelberg or San Diego or Tel Aviv
HybridFull Time
Snke OS: Orchestrating healthtech for efficient and patient-centered care.
3+ YOE3+ years software development experience; proficiency in C#, Go or C++; experience with automated testing, HTTP/REST/JSON, gRPC/Protobuf, microservices; familiarity with healthcare standards (DICOM, HL7, FHIR); very good English.
California or Colorado or Connecticut or Florida or Georgia or Illinois or Kansas or Massachusetts or Maryland or Maine or New Jersey or North Carolina or New York or Oregon or Tennessee or Texas or Virginia or Washington or Austin or Tampa
$150k-$240k/yrHybridFull Time
NinjaOne: Unified IT platform for automated endpoint management and security.
10+ YOEBachelor's degree, 10+ years C++ development (C++17+), cross-platform systems experience (Windows/macOS/Linux), gRPC/Protocol Buffers, SQLite, CMake; experience with Java/Kotlin/Golang/Postgres/AWS helpful.
Krakow or Hyderabad or New York City or Chicago or London or Singapore or Hong Kong or Tokyo
HybridFull Time
Pico: Provides managed infrastructure and data services to financial markets.
4+ YOEBachelor's in Computer Science/Engineering (2:1) or equivalent, 4+ years development experience, expert C++ on Linux, Python, shell scripting, makefiles, multithreading, automated testing, gdb/Valgrind, and IP networking knowledge.
DRW: Technology-driven principal trading firm operating in global financial markets
10+ YOE10+ years building high-availability server-side systems; 3+ years with modern C++ or Rust; strong multithreading and hardware/software interaction; bachelor's in CS/Engineering; strong communication and AI tooling familiarity.
C++ Engineer- FreeWheel- Onsite (Hybrid)- Chicago, IL, Denver, CO, Reston, VA or New York, NY
Chicago or New York or Reston or Denver
$110k-$188k/yrHybridFull Time
ComcastNASDAQ: CMCSA: Provides global telecommunications, media content, and entertainment services.
2+ YOEBachelor’s degree in computer science or related field; 2+ years in C/C++; experience with distributed systems and software development lifecycle.
Orlando or Florida or California or Massachusetts or New York or Colorado or Hawaii or Illinois or Maryland or Minnesota or New Jersey or Vermont or Washington or District of Columbia or United States
$93k-$164k/yrOnsiteFull Time
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
US citizen with interim Secret clearance; strong C/C++ and multi-core/multithreaded programming, object-oriented design, Linux or VxWorks, hardware/software integration experience; familiarity with JIRA, Git, Confluence; Agile/Scrum.
Akuna Capital: Proprietary trading firm providing liquidity in global options markets.
Pursuing a technical bachelor's/master's/PhD (graduating by Aug 2027), experience with modern C++, familiarity with distributed/asynchronous systems, debugging and profiling tools, strong problem solving and communication skills.
FDM GroupLondon Stock Exchange: FDM: Provides IT consulting, technical training, and staff augmentation services.
5+ YOE5+ years software development experience; bachelor's degree in CS/Engineering/Information Systems; strong C#, .NET, ASP.NET, SQL Server, T-SQL, EMR skills; Git and Azure DevOps experience; strong analytical and communication skills.
C#, .NET Framework, .NET Core, .NET 8+, ASP.NET MVC, ASP.NET Core, SQL Server, T-SQL, Entity Framework, Azure, SSIS, SSRS, Power BI, Azure DevOps, Docker, Visual Studio, Git, SQL Server Management Studio (SSMS), Jira
DKW Communications: Provides IT modernization and cybersecurity services for government agencies.
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
FEV North America: Develops and tests propulsion systems and vehicle technologies.
3+ YOEBachelor's in CS/CE, 3+ years embedded software development, proficient in C/C++, Git, CI/CD for Yocto-based systems, Docker/VM, CMake; travel up to 10% domestic and international.
New York City or London or Singapore or Austin or Chicago
$300k/yrOnsiteFull Time
Hudson River Trading: A quantitative firm using technology to trade global financial markets.
BS/MS in CS or related; proficient in C/C++ or Python, strong CS fundamentals, Linux/UNIX knowledge, excellent debugging and problem-solving, eligible for full-time roles in 2027.