702 c developer jobs at 321 companies in Illinois

1mo
Save
Mark Applied
Hide
Senior C++ Engineer
Krakow or Hyderabad or New York City or Chicago or London or Singapore or Hong Kong or Tokyo
HybridFull Time
Pico
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.
C++, Python, shell scripting, makefiles, Linux, gdb, Valgrind
3w
Save
Mark Applied
Hide
Junior C++ Developer
New York or Chicago or London
$150k-$200k/yr OnsiteFull Time
Balyasny Asset Management
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.
C++, CI/CD, Order Management System (OMS)
3w
Save
Mark Applied
Hide
Junior C++ Developer
Chicago or London or New York
$150k-$200k/yr OnsiteFull Time
Balyasny Asset Management
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.
C++, CI/CD
3mo
Save
Mark Applied
Hide
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/yr HybridFull Time
Comcast
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.
C++, C, Database design, Network programming, Distributed systems, Agile, SDLC
1mo
Save
Mark Applied
Hide
Senior Software Engineer C++
New York City or Chicago
$150k-$225k/yr HybridFull Time
GTS
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.
C++, Linux, Git, gdb, Valgrind, Python, bash
2mo
Save
Mark Applied
Hide
C++ Software Engineer – Latency-Critical Systems
Chicago, Illinois, United States
$110k-$150k/yr OnsiteFull Time
Wolverine Trading
Wolverine Trading: Proprietary trading, asset management, and execution services firm.
2+ YOE2+ years professional C++ experience; modern C++ (C++17/20); Linux/Windows; performance-focused; BS in CS/CE or equivalent
C++, Linux, Windows, STL, Performance Profiling, Debugging
1w
Save
Mark Applied
Hide
Senior Software Engineer, C++
Amsterdam or New York City or Chicago
$185k-$225k/yr OnsiteFull Time
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.
C++, Rust, Python, TypeScript, FIX, WebSocket, HTTP, TLS
2mo
Save
Mark Applied
Hide
C++ Software Developer
Amsterdam or Chicago or London or New York City
OnsiteFull Time
Headlands Technologies
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.
C++, Linux
3w
Save
Mark Applied
Hide
(Senior) Software Engineer - Data Management ( C#, Go or C++)
Munich or Chicago or Heidelberg or San Diego or Tel Aviv
HybridFull Time
Snke OS
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.
C#, Go, C++, Rust, HTTP, REST, JSON, gRPC, Protobuf, Kubernetes, AWS, CDK, OAuth2, JWT, Smart on FHIR, DICOM, HL7, FHIR, GitHub, CI/CD, containers
1w
Save
Mark Applied
Hide
Staff Software Engineer, C++ (Patching)
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/yr HybridFull Time
NinjaOne
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.
Java, Kotlin, C++, Golang, Postgres, AWS, gRPC, Protocol Buffers, SQLite, CMake, Qt, Vcpkg, Win32 API, POSIX
1mo
Save
Mark Applied
Hide
Sr. Substation P&C Engineer
Los Angeles or United States or Warrenville or Houston or Denver or Moscow
RemoteFull Time
ENTRUST Solutions Group
ENTRUST Solutions Group: Provides engineering and consulting services for utility and energy infrastructure.
5+ YOEBachelor's in Electrical Engineering, 5+ years substation P&C engineering experience, hands-on with relay protection (SEL, GE, Siemens, ABB), knowledge of NERC/PRC/IEEE/NEC, utilities/EPC/consulting experience; PE preferred.
SEL, GE, Siemens, ABB, AutoCAD, MicroStation, Bluebeam, SCADA
2d
Save
Mark Applied
Hide
Entegral Software Engineer - .Net / C#
Arizona or Florida or Illinois or Louisiana or Maryland or Michigan or Minnesota or Missouri or New Jersey or Nevada or New York or Ohio or Oregon or Pennsylvania or Tennessee or Texas or Virginia or Washington or Wisconsin
$108k-$135k/yr RemoteFull Time
Enterprise Mobility
Enterprise Mobility: Provider of vehicle rental and diverse mobility solutions.
3+ YOE3+ years application development (.NET/C#) or bootcamp+5yrs, experience with ASP.NET Core, SQL/NoSQL, cloud and container technologies, CI/CD, Agile; must be authorized to work in the U.S. and located in listed states.
SQL Server, MySQL, Mongo, ASP.NET Core, C#, .NET Core, .NET 5, Docker, Azure, AWS, Google, Kubernetes, CI/CD, DevOps, Java, Springboot, SQL, NoSQL
2mo
Save
Mark Applied
Hide
I&C Electrical Engineer
Byron, Illinois, United States
$89k-$154k/yr OnsiteFull Time
Constellation Energy
Constellation EnergyNASDAQ: CEG: Produces carbon-free electricity and supplies energy to customers.
0+ YOEB.S. in Engineering; nuclear experience or related engineering; ability to meet access requirements and pass medical exams; for levels, see minimum qualifications.
1mo
Save
Mark Applied
Hide
Embedded Senior Software Engineer / Embedded / C++ / Orlando, FL
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/yr OnsiteFull Time
Lockheed Martin
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.
C++, C, JIRA, Git, Confluence, GitLab, Linux, VxWorks
3d
Save
Mark Applied
Hide
Software Engineer (Entry-Level) - C++
Chicago, Illinois, United States
$145k/yr OnsiteFull Time
Akuna Capital
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.
C++, Python, Shell, perf, gprof, vtune, GDB, Valgrind, AddressSanitizer
1mo
Save
Mark Applied
Hide
Senior Software Engineer, C++ (Algo)
Chicago, Illinois, United States
$150k-$250k/yr OnsiteFull Time
DRW
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++, Rust, Java, Python, JavaScript, Ruby, TCP, UDP, IPV4
2w
Save
Mark Applied
Hide
.NET Developer (C#)
Rosemont, Illinois, United States
$87k-$109k/yr OnsiteFull Time
Reyes Holdings
Reyes Holdings: Global distributor of food and beverage products.
1+ YOE1–2 years .NET/C# and programming experience (or 3–5+ yrs with HS/GED), Microsoft SQL Server and PowerShell experience, REST/SOAP integration, JSON/XML knowledge; ability to travel ~10–15%.
.NET, C#, Microsoft SQL Server, PowerShell, Microsoft IIS, Microsoft VBScript, JavaScript, REST, SOAP, JSON, XML, Secure FTP, IBM DB2, Microsoft Azure
3d
Save
Mark Applied
Hide
Software Engineer (C++ or Python) – 2027 Grads
New York City or London or Singapore or Austin or Chicago
$300k/yr OnsiteFull Time
Hudson River Trading
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.
C/C++, Python, UNIX, Linux
1mo
Save
Mark Applied
Hide
P&C Underwriter
Conshohocken or Oak Brook or Plano
HybridFull Time
Novacore
Novacore: Independent specialty insurance provider for niche markets.
2+ YOE2+ years P&C underwriting experience with binding authority or brokerage focus; bachelor's degree or equivalent; product development/distribution experience preferred; ability to build profitable portfolio and provide team leadership.
3mo
Save
Mark Applied
Hide
Graphics Software Engineer (C++) - OpenGL/CUDA (Chicago, IL, US)
Chicago, Illinois, United States
$65k-$169k/yr OnsiteFull Time
Capgemini
CapgeminiEuronext Paris: CAP: Provides global IT consulting and digital transformation services.
5+ YOE5+ years software development; strong C++/Qt; Linux apps; GPU programming (OpenGL/CUDA); embedded/system software; degree in CS preferred.
C++, Qt, Linux, OpenGL, GLSL, CUDA, NVIDIA GPU programming