C Developer jobs in Illinois

Remote

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Today

Key ResponsibilitiesMonitor application health, manage incidents, and ensure system stability and availabilityHandle incident requests, perform root cause analysis, and provide timely resolutionsAnalyze and resolve issues such as stuck transactions/claims using SQL queriesExecute SQL scripts for data correction, validation, and troubleshootingDevelop, maintain, and enhance applications using C++ and Pro*CDebug and troubleshoot application and database-related issuesWork with Unix/Linux environme

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Third Party, Contract

Depends on Experience

Sr. C /C++ Developer - Architect Level (Remote)

Remote

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3d ago

Sr. C /C++ Developer - Architect Level Remote Contract Years Of Experience: 7+ Job Description: Highly Advanced C++ Technical Mastery including modern standards such as C++17/20/23 features for high-performance code like std::simd (for data-parallel types) and template meta-programming (optimized code for different data types) Expertise in Lock-free Algorithms and multi-threaded synchronization using concurrency & threading: std::mutex and std::condition variable to parallelize encoding tasks a

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Contract

Depends on Experience

Embedded Software Developer (Programming C)

Rockford, Illinois

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11d ago

Title - Software Developer (Programming C) Experience 5 to 10 years Job Description: Summary: The job requires a good knowledge of strong analysis, and a thorough understanding of the embedded software development in C language. Required Skills: 5+ years Aerospace, Railway, automotive and medical domain with C Programming language developer can be considered.Embedded software development experience is mandatory with Programming in CHands on Experience in embedded software development adhering to

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Full-time

$100,000 - $120,000

C/C++ (Pro*C, SQL) (W2 Contract)

Remote

•

Today

We are looking for a highly experienced with strong expertise in C, C++, Pro*C, and SQL databases to design, develop, and lead high-performance, scalable enterprise applications. The ideal candidate will have deep experience in system architecture, database integration, and legacy system modernization. Key Responsibilities: Design and architecture of applications using C/C++ and Pro*CDevelop and optimize embedded SQL (Pro*C) programs interacting with relational databasesWork closely with databas

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Contract

Depends on Experience

Software Engineer (C++, Pro*C, Oracle 19C) - Only W2

Remote or Arkansas

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Today

Role: Software Engineer (C++, Pro*C, Oracle 19C) Remote (US) Job Type: W2 Contract Experience required: 10+ years Mandatory Skills: C++, Pro*C, Oracle 19c, Splunk, Shell Script, GitHub, GitHub Actions, Python Job Description: Tasked with overseeing the application, managing incidents, and maintaining its stability and availability. Engage in various responsibilities such as managing incident requests, monitoring jobs, and performing root cause analyses. Analyze and resolve issues by employing

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Contract

Embedded SW Engineer(C with AUTOSAR & MATLAB/Simulink)

Mossville, Illinois

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Today

JOB#1 (524735) - Embedded SW Engineer ( C with AUTOSAR) Responsible for the development, configuration and testing of signal processing and diagnostic algorithms used in embedded systems for machine and industrial applications.Working in close collaboration with cross functional teams consisting of hardware engineers, internal software tool engineers, and system engineers.requires degree in electrical engineering, computer engineering with 1-3 years of experience.Experience in embedded control s

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Full-time

65000 - 75000

REMOTE::Senior Software Engineer LLM Evaluation with Python, JavaScript ,ReactJS, C/C++, Java, Rust, and Go

Remote

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4d ago

Title: Senior Software Engineer LLM Evaluation Duration: Long term ( depends on candidates performance) Interview process: Automated coding challenge +AI Technical Interview (upto 60 mins end to end process) Work Type: Remote ( hybrid or onsite depending on candidate s location) Multiple openings Key skills: Python, JavaScript (including ReactJS), C/C++, Java, Rust, and Go Project Overview: As a Software Engineering evaluator, you will create cutting-edge datasets for training, benchmarking,

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Third Party, Contract

Depends on Experience

Platform Engineer, C/FICCO

Chicago, Illinois

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3d ago

{"description": " DRW is a diversified trading firm with over 3 decades of experience bringing sophisticated technology and exceptional people together to operate in markets around the world. We value autonomy and the ability to quickly pivot to capture opportunities, so we operate using our own capital and trading at our own risk. Headquartered in Chicago with offices throughout the U.S., Canada, Europe, and Asia, we trade a variety of asset classes including Fixed Income, ETFs, Equities, FX, C

Full-time

USD 140,000.00 - 180,000.00 per year

Software Engineer - C/C++/C#

Remote or North Carolina

•

Today

Rockwell Automation is a global technology leader focused on helping the world's manufacturers be more productive, sustainable, and agile. With more than 28,000 employees who make the world better every day, we know we have something special. Behind our customers - amazing companies that help feed the world, provide life-saving medicine on a global scale, and focus on clean water and green mobility - our people are energized problem solvers that take pride in how the work we do changes the world

Full-time

Linux Simulation Application Developer (Hybrid)

Remote or Rockford, Illinois

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21d ago

Date Posted: 2026-03-25 Country: United States of America Location: US-IL-ROCKFORD-P6 ~ 4747 Harrison Ave ~ 4747 HARRISON AVE-P6 Position Role Type: Hybrid U.S. Citizen, U.S. Person, or Immigration Status Requirements: Security Clearance Type: None/Not Required Security Clearance Status: Not Required The Systems Engineering organization within Electric Power Systems is seeking a highly motivated Linux Simulation Application Developer to join our Behavioral Simulation team. In this role, you

Full-time

USD 86,800.00 per year

Embedded Software Senior Engineer/Autonomy/AI/Machine Learning

Remote or Stratford, Connecticut

•

Today

Job Description WHAT WE'RE DOING Define the future of aviation. Stand at the forefront of technology and innovation. Transform your ideas and dreams into reality. Join Lockheed Martin's Flight Controls and Autonomy team and be part of the greatest transformation in aviation history; unmanned fully autonomous flight. The Flight Controls and Autonomy team is currently seeking highly motivated technology pioneers with a desire to steer and lead the Autonomy industry. Successful candidates must b

Full-time

USD 108,800.00 - 191,820.00 per year

Embedded Software Engineer Staff/Autonomy/AI/Machine Learning

Remote or Stratford, Connecticut

•

Today

Full-time

USD 132,900.00 - 234,370.00 per year

Embedded Software Engineer (VxWorks / Bootloader)

Remote

•

26d ago

Embedded Software Engineer (VxWorks / Bootloader) SanJose, CA(Remote Possible) Long Term Job Summary We are seeking an experienced Embedded Software Engineer with strong expertise in VxWorks and bootloader development. The ideal candidate will be responsible for developing, customizing, and optimizing low-level embedded software for high-performance, real-time systems. Key Responsibilities Design, develop, and maintain embedded software using VxWorks RTOS Develop and customize bootloaders (e.g

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Contract

60 - 70

Urgent: Embedded Software Engineer (VxWorks / Bootloader)

Remote

•

3d ago

Easy Apply

Contract

60 - 70

Engineer, Electrical I & C

Braceville, Illinois

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20d ago

Who We Are As the largest private-sector power producer in the world and the nation's largest producer of clean and reliable energy, Constellation is focused on our purpose: lighting the way to a brilliant tomorrow for all. We have been the leader in clean energy production for more than a decade, and we are cultivating a workplace where our employees can grow, thrive, and contribute. Now integrated with Calpine, our portfolio includes 55 gigawatts of capacity from nuclear, natural gas, geotherm

Full-time

Compensation information provided in the description

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C Developer jobs in Illinois, USA