473 c c engineer jobs at 229 companies in Forest Park, IL
1d
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Principal C Engineer
Hyderabad or New York City or Chicago or London or Singapore or Tokyo or Hong Kong
HybridFull Time
10+ YOEBSc/MSc in relevant engineering, 10+ years' relevant experience including 5+ in electronic trading, strong C on Linux, capital markets and FIX knowledge, high-performance and multithreaded systems, testing and Jenkins.
C, Linux, FIX, Jenkins, gdb, valgrind, Python, Java, Wireshark
1mo
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Junior C++ Developer
New York or Chicago or London
$150k-$200k/yr OnsiteFull Time
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)
1mo
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Junior C++ Developer
Chicago or London or New York
$150k-$200k/yr OnsiteFull Time
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
2d
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C++ Developer Intern
Chicago, Illinois, United States
$84k/yr OnsiteInternship
0+ YOEC++ fundamentals, STL, memory management, move semantics, templates, data structures, algorithms, threading, Linux, and command-line tools. Strong communication and analytical skills required; projects or coursework demonstrate readiness.
C++, STL, Linux, Python, C#, SQL, Git, gdb, valgrind, perf, flamegraph
4d
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C++ Software Engineer
Chicago or New York City
$175k-$225k/yr OnsiteFull Time
2+ YOEBachelor’s or Master’s degree in computer science, computer engineering, or related field; 2+ years using modern C++ in low-latency environments; hardware platform development experience.
C++, ASICs, FPGAs
1mo
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Sr. Substation P&C Engineer
Los Angeles or United States or Warrenville or Houston or Denver or Moscow
RemoteFull Time
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
3mo
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C++ Software Engineer – Latency-Critical Systems
Chicago, Illinois, United States
$110k-$150k/yr OnsiteFull Time
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
3w
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Graduate C++ Developer (2027 Incoming Graduate, Full-Time)
Chicago, Illinois, United States
$125k-$200k/yr OnsiteFull Time
1+ YOEStudent graduating in 2027 with CS/Engineering degree, 1+ C++ internship experience, knowledge of low-latency systems, STL, Boost, Linux, git, and strong problem-solving and communication skills.
C++, STL, Boost, Linux, git
1w
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Senior I&C Engineer, Water/Wastewater
Chicago or New York City
$108k-$162k/yr HybridFull Time
10+ YOEPE required; BS in Electrical or Mechanical Engineering and 10–15 years of relevant industrial engineering consulting or controls integration experience. Water/wastewater experience preferred.
SCADA, HMI, PLC, DCS, Rockwell, Siemens, Modicon, General Electric, WonderWare, IFIX, RS View, Intellution, P&ID
3w
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C#/.NET Developer (Application & Database Development)
Chicago, Illinois, United States
HybridContract
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
2mo
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Senior P & C Designer
Charlotte or Roanoke or St. Louis or Pittsburgh or Chicago or Phoenix or Marlton
$85k-$100k/yr HybridFull Time
5+ YOE5+ years substation or electrical T&D design; CAD (AutoCAD/MicroStation); NESC/NEC/IEEE knowledge; HV/MV/EHV expertise; schedule management; client interaction.
AutoCAD, MicroStation, Microsoft Office
3mo
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C++ Software Developer
Amsterdam or Chicago or London or New York City
OnsiteFull Time
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
2mo
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Senior Software Engineer C++
New York or Chicago
$150k-$225k/yr HybridFull Time
7+ YOEExpertise in Linux C++ low-latency systems, 7+ years software engineering, BS/MS in engineering/computing/science, Git, gdb, valgrind, Python/bash, networking knowledge.
Linux, C++, Git, gdb, valgrind, Python, bash
1mo
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Senior Civil Structural Engineer (LT&C)
Plainfield, Illinois, United States
$106k-$132k/yr OnsiteFull Time
6+ YOEBachelor's or Master's in civil/structural engineering, 6+ years LT&C tank engineering experience, familiarity with AISC/ASCE/IBC/API/ACI codes, PE in at least one state, Microsoft Office proficiency, strong communication skills.
Microsoft Office Professional
1mo
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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
2d
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Lead P&C Engineer
Oakbrook Terrace or United States
$98k-$164k/yr RemoteFull Time
7+ YOEBachelor's degree in electrical engineering or similar, 7+ years engineering experience, 5+ years in substation or power-generation protection and controls, English fluency, and travel availability up to 20%.
IEC 61850, SCADA, Cyber Security, Telecom, AC, HVDC, FACTS, BESS, IED, ISO9002
1mo
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Principal AI Systems Engineer — C++ / Applied AI
San Jose or San Francisco or Seattle or New York City or Chicago or California
$190k-$361k/yr OnsiteFull Time
10+ YOE10+ years professional software engineering with deep C++ expertise, production integration of AI/LLMs, cross‑platform systems design, reliability and observability, architecture leadership, and strong communication skills.
C++, LLMs, GPT, Claude, Gemini, JSON-RPC, gRPC, WebSockets, REST, TLS, CI, Windows, macOS, Linux
1mo
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Senior Software Engineer, C++ (Algo)
Chicago, Illinois, United States
$150k-$250k/yr OnsiteFull Time
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
3w
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Senior Lead Software Engineering - C++ low latency
Chicago or Plano or Jersey City
$147k-$225k/yr OnsiteFull Time
10+ YOE10+ years software engineering experience, advanced C and C++ skills, cloud-native experience, system design and operational stability expertise, experience with AI-assisted development practices.
C, C++
1mo
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Principal Software Developer - Full Stack (Unity, C#)
Austin or San Mateo or Carlsbad or Chicago or Eugene or Toronto
$114k-$180k/yr OnsiteFull Time
6+ YOEB.Sc. or equivalent, 6+ years game/mobile software experience, expert C#, 3+ years Unity, shipped mobile titles, experience with performance profiling, AWS, Kubernetes, Datadog, and git.
Unity, C#, AWS, Kubernetes, Datadog, git, Claude Code