98 c developer jobs at 48 companies in Creston, IL
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
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
2w
Save
Mark Applied
Hide
I&C Electrical Engineer
Byron, Illinois, United States
$93k-$154k/yr OnsiteFull Time
2+ YOEB.S. in Engineering, minimum 2 years nuclear or related experience (mid) or 5 years (senior); must meet ANSI/ANS-3.1-2014 requirements and maintain unescorted access and medical fitness; EIT preferred; experience with electrical systems and I&C.
2d
Save
Mark Applied
Hide
Developer
Lombard, Illinois, United States
$102k-$127k/yr RemoteFull Time
3+ YOERequires 3 years of .NET development experience, Visual Studio, VB.NET or C#, SQL, Windows Server, Active Directory, IIS, SOAP/REST, and JSON/XML; bachelor's degree or equivalent experience.
.NET, VB.NET, C#, ASP.NET, JavaScript, Microsoft SQL Server, Oracle, Microsoft Visual Studio, Google Maps, IIS, SOAP, REST, JSON, XML, .NET Core, Windows Server, Microsoft Active Directory, SSO, Microsoft SSRS, Microsoft SSIS, Microsoft Excel, Microsoft Outlook, Microsoft Word, Microsoft Teams, Microsoft Azure DevOps, Git, MySQL
3w
Save
Mark Applied
Hide
Senior Software Engineer
Elgin, Illinois, United States
OnsiteFull Time
Bachelor's degree in engineering, 4+ years medical device experience, 1+ year embedded development, proficiency in C and assembly, experience with microprocessor-based devices, communication protocols, debugger use, FDA/ISO processes.
C, Assembly, Linux, I2C, SPI, RS232, Ethernet, Bluetooth, Wi-Fi, Microsoft Word, Microsoft Excel, Microsoft PowerPoint
3w
Save
Mark Applied
Hide
Engineer Software
Rolling Meadows, Illinois, United States
$88k-$131k/yr OnsiteFull Time
2+ YOEBachelor's in ECE/Computer Engineering or related STEM with 2+ years (or MS with 0+ years). Experience with C#, C, Java, SQL, version control, Agile tools; US citizenship and ability to obtain Secret clearance.
C#, C, Java, SQL, MS Office, Microsoft Excel, Git, Gitlabs, Github, Bitbucket, ClearCase, Azure DevOps, Jira, Confluence, Tableau, PowerBI, SSIS, Jenkins, Alteryx, Visual Studio, IIS Server, WinForm Design Framework, JavaScript
1mo
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
Software Engineer I
Ottawa, Illinois, United States
$70k-$80k/yr OnsiteFull Time
2+ YOE2+ years embedded software experience; strong C/C++ and Python; experience with Embedded Linux, Yocto, QNX, RTOS, BSP/kernel work; BS/MS in CS/EE or equivalent; knowledge of IP and serial protocols; ARM experience preferred.
Embedded Linux, Yocto, QNX, RTOS, C, C++, Python, C#
1mo
Save
Mark Applied
Hide
.NET Developer - QMS
Aurora, Illinois, United States
$70k-$105k/yr OnsiteFull Time
1+ YOEMust have .NET experience with C#, ASP.NET MVC/Web Forms, Web API, and SQL Server; Bachelor's degree in Computer Science/Engineering; 1+ years professional development experience; strong OOP and problem-solving skills.
.NET, C#, ASP.NET MVC, ASP.NET Web Forms, Web API, SQL Server
3w
Save
Mark Applied
Hide
Senior .NET Application Developer
Lisle, Illinois, United States
$65-$70/hr HybridContract
10+ YOE10+ years professional software development with Microsoft stack (C#, .NET, ASP.NET Core), SQL Server, front-end frameworks, and DevOps tools.
C#, .NET Framework, ASP.NET, ASP.NET Core, MVC, Web API, ADO.NET, Entity Framework, WCF, SQL Server, HTML5, CSS, Bootstrap, JavaScript, jQuery, Angular, React, JSON, AJAX, Azure DevOps, GitHub, TFS, Visual Studio, VS Code, Postman, SoapUI
3d
Save
Mark Applied
Hide
Senior Software Engineer (Onsite)
Rockford, Illinois, United States
$87k-$165k/yr OnsiteFull Time
5+ YOESTEM degree with 5+ years of relevant experience or advanced degree with 3+ years; embedded C lifecycle experience, testing, verification, certification, and aerospace standards knowledge.
C, Assembly, Python, Tcl/Tk, MATLAB, Simulink, RTOS, BSPs, IBM Rational Synergy, Change, DOORS, DXL, TMS320F2812, PowerPC
1w
Save
Mark Applied
Hide
Embedded Software Engineer – Medical Devices
McHenry, Illinois, United States
$105k/yr HybridFull Time
3+ YOEBachelor's degree in relevant engineering,3+ years embedded firmware development experience,proficiency in Embedded C/C++,microcontroller firmware,hardware/software integration,RTOS and communication protocols.
Embedded C, C++, Git, Azure DevOps, Jira, JTAG, SWD, Oscilloscope, Logic Analyzer, MQTT, UART, SPI, I2C, CAN, BLE, Wi-Fi, RTOS
4d
Save
Mark Applied
Hide
2026 Associate Embedded Software Engineer (Manufacturing) - Rolling Meadows IL
Rolling Meadows, Illinois, United States
$73k-$109k/yr OnsiteFull Time
Bachelor's, master's, or PhD in computer science, electrical/computer engineering, or related STEM field; C, C#, or C++; U.S. citizenship; ability to obtain Secret and Special Access Program clearances.
C, C#, C++, Oscilloscope, Signal Generator, Power Supplies, Power Meters, Visual Studio, LabView, TestStand, GitHub
2mo
Save
Mark Applied
Hide
Senior Cyber Embedded Software Engineer
Schaumburg, Illinois, United States
OnsiteAll Commitments Available
Embedded software, cybersecurity, and reverse engineering experience; strong C/C++, Python; Linux; BS/MS in CS/CE/Software; US citizenship with ability to obtain clearance; TS/SCI preferred.
Ghidra, IDA Pro, Radare2, GDB, JTAG, Wireshark, ELF, PE, IP, TCP, UDP, TLS, SIP, SRTP, ARM, MIPS, PPC, x86, C, C++, Python, Linux
1mo
Save
Mark Applied
Hide
Lead .Net Developer
Lisle, Illinois, United States
$112k-$168k/yr OnsiteFull Time
1+ YOEExperience with .NET Core, ASP.NET, C#, ReactJS, SQL, Kubernetes, Git/TFS, CI/CD; Bachelor's (2+ yrs) or Master's (1+ yr) or 5+ yrs experience; authorized to work in the US.
.NET Core, ASP.NET, C#, VB.NET, Visual Studio, ReactJS, HTML, XML, CSS, JSON, JavaScript, jQuery, SQL, SOAP, REST, GitFlow, Kubernetes, SOLID, ADO, JIRA, CI/CD, TFS, GIT, Azure, Telerik
1mo
Save
Mark Applied
Hide
Software Engineer
Lisle, Illinois, United States
$90k-$190k/yr OnsiteFull Time
5+ YOEBachelor's in CS/CE/EE,5+ years experience,proficiency in C/C++/Python,Windows/Linux/Unix,EMBEDDED and networking experience,TS/SCI clearance required (sponsorship available).
C, C++, Python, Windows, Linux, Unix, TCP/IP, ARM, MIPS, x86, PowerPC
1mo
Save
Mark Applied
Hide
Software Engineer II (Healthcare Solutions)
La Grange or McCook or Carpentersville or Iola or Shenzhen
$70k-$121k/yr OnsiteFull Time
2+ YOEBachelor's in engineering or CS, 2+ years embedded software experience, proficiency in C/C++, microcontroller platforms (ARM Cortex-M, STM32, PIC), RTOS, device drivers, communication protocols (I2C, SPI, UART, USB, BT/BLE), and hardware debugging tools.
C/C++, I2C, SPI, UART, USB, BT/BLE, RTOS, ARM Cortex-M, STM32, PIC, oscilloscopes, logic analyzers, JTAG
1mo
Save
Mark Applied
Hide
Software Engineer
Lisle, Illinois, United States
$90k-$190k/yr OnsiteFull Time
5+ YOEBachelor's or Master's in a technical field, minimum 5 years experience, proficiency in C/C++/Python, familiarity with Windows/Linux/Unix, strong communication and problem-solving skills, TS/SCI clearance required.
Windows, Linux, Unix, C, C++, Python, Microsoft
2mo
Save
Mark Applied
Hide
Sr Embedded Engineer
Aurora or Melville
$102k-$173k/yr HybridFull Time
5+ YOE5+ years embedded firmware experience for sensor applications; proficiency in C/C++; experience with microcontrollers, DSPs, SoCs; sensor interfacing and signal processing; strong analytical and communication skills.
C, C++, microcontrollers, DSP, SoC
2w
Save
Mark Applied
Hide
Software Engineer (Hybrid) Bolingbrook, IL
Bolingbrook, Illinois, United States
$105k-$108k/yr HybridFull Time
3+ YOE3+ years professional C#/.NET experience, UI framework and modern JavaScript/CSS skills, API and SQL proficiency, strong problem-solving and communication.
C#, Microsoft .NET, Razor, Blazor, React, Angular, Vue, JavaScript, CSS, REST, JSON, SQL
3w
Save
Mark Applied
Hide
Forward Deployed Engineer
Schaumburg, Illinois, United States
RemoteFull Time
10+ YOE10+ years full-stack/frontend experience, proficiency in TypeScript/JavaScript and other languages, Next.js App Router and tRPC experience, strong commercial P&C insurance knowledge, excellent communication and consulting skills.
TypeScript, JavaScript, Python, Java, C++, React, Next.js, Next.js App Router, tRPC, Tailwind, shadcn/ui, Mantine