30 software engineer c jobs at 16 companies in Defiance, OH
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Software Engineer
Van Wert or Dublin
HybridFull Time
Central Insurance: Provides property and casualty insurance to individuals and businesses.
2+ YOEMaster's in CS or related, or Bachelor's +2 years, or 4 years related experience. Experience with cloud-native systems, AI-assisted development (e.g., Claude Code), and one or more languages (Java, SQL, .NET, Go, C). Strong testing, debugging, and collaboration skills.
DMA: Provides corporate tax consulting and technology solutions for businesses
2+ YOE2–3 years programming experience; proficiency with .NET (C#), HTML, CSS, JavaScript, SQL; experience with GitLab and Jira; BS in CS/IS preferred; agile and unit testing familiarity.
Toledo or Ohio or Michigan or Texas or Florida or Missouri or Oregon
RemoteFull Time
Double A Solutions: We build SaaS products to automate manual business processes.
4+ YOEBachelor's in CS or related; 4+ years .NET (C#/VB.NET) web development; experience with ASP.NET, HTML5, JavaScript, jQuery, MVC, CSS; MySQL or SQL Server; APIs/SOAP/XML; Git; strong debugging and testing skills; remote role limited to specific US states.
Microsoft .NET, C#, VB.NET, JSON, SOAP, XML, ASP.NET, HTML5, JavaScript, jQuery, AJAX, MVC, CSS, MySQL, Microsoft SQL Server, Git
Marathon PetroleumNYSE: MPC: Refines and markets petroleum products and renewable fuels.
5+ YOE5+ years IT experience; full-stack Microsoft stack (C#, Blazor, .NET Core), Azure and IaC experience; DevSecOps and application security knowledge; AZ-204 desired; bachelor’s in IT or equivalent.
C#, Blazor, .NET Core, Microsoft SQL Server, Azure, Infrastructure as Code (IaC), Python, Version Control System
Riverside Mfg: Designs and manufactures electronics for harsh environment vehicles and equipment.
Bachelor's in CS/CE, demonstrated C# development with Visual Studio, ability to take projects from concept to deployment, manufacturing environment experience, strong analytical skills, and must be a U.S. person (ITAR/EAR).
C#, Visual Studio, USB, CAN, J1939, NMEA2K, Modbus, Bluetooth, LIN Bus, Wi-Fi, Ethernet, MES
The McAlear Group: Manufacturing and industrial supply for garage and plumbing sectors.
Bachelor's degree or equivalent, knowledge of .NET Core/C#, PHP/Vue, SQL Server and EF Core, Git and DevOps concepts, HTML/CSS/JavaScript, strong communication and willingness to learn.
Neumo: Provides integrated software and payment solutions for government agencies.
5+ YOE5-8 years of software development; strong SQL Server, VB.NET, C#; ASP.NET Web Forms/Web API/MVC; Azure cloud migration; WinForms; production issue resolution; cross-team collaboration.
Sweetwater: Online retailer of musical instruments and professional audio equipment.
5+ YOE5-7+ years of software development experience; strong OO skills (Java, Kotlin, Swift, C#, PHP); experience with AI coding assistants; native mobile tools (Android Studio/XCode); code review and release pipelines; familiarity with MCP/LLM tooling.
Java, Kotlin, Swift, C#, PHP, Android Studio, Xcode, Git, LLM-powered developer tooling, API testing, Code review, Model Context Protocol, Agentic coding tools, AI coding assistants
First SolarNASDAQ: FSLR: Designs and manufactures thin-film photovoltaic solar modules.
Currently enrolled in a Bachelors/Masters/PhD program with ≥2 years of coursework in CS or MIS; coursework in OOP, data structures, SQL; ability to code in Python/C# and use scripting and CI/CD tools.
GPRS: Provides nationwide subsurface infrastructure visualization and utility locating services.
6+ YOE6+ years back-end development, Bachelor’s in CS or equivalent, 4+ years with C# .NET, PostgreSQL/MSSQL, event-driven architectures, Azure, CI/CD, container orchestration, strong communication and documentation.
CarrierNYSE: CARR: Provides HVAC, building automation, and refrigeration solutions globally.
Bachelor's degree in Engineering/Computer Science/Engineering Technology required. Able to design, develop and integrate hardware/software for electronic testing. Travel up to 25%. Experience with Visual Studio, C#, VB.Net, Cadence/OrCAD/PSpice, ATE and software repositories preferred.
Visual Studio, Cadence, OrCAD, PSpice, Automated Test Equipment (ATE), DC Power Supply, Digital Acquisition, Oscilloscope, C#, VB.Net, Subversion, GitHub
United States or Canada or United Kingdom or Traverse City or Jersey City or Cincinnati or Toledo or Illinois or Colorado or California or District of Columbia or Hawaii or Maryland or Minnesota or Nevada or New York or New Jersey or Ohio or Rhode Island or Washington or British Columbia
RemoteFull Time
HagertyNYSE: HGTY: Provide specialty insurance and membership services for automotive enthusiasts.
3+ YOE3+ MgmtProven engineering leadership with experience managing managers and large-scale systems; deep technical ability including C#, Terraform, Typescript; strong communication and strategy skills.
DanaNYSE: DAN: Manufacturer of vehicle driveline and thermal management systems.
8+ YOEBachelor's in engineering/CS, minimum 8+ years embedded software validation, experience with automotive validation tools, knowledge of C/C++, SW testing methodologies and automotive standards (ASPICE, ISO 26262, AUTOSAR).
Brotherhood Mutual: Provides specialized insurance and risk management for religious organizations.
1+ YOEBachelor's degree and 1–2 years software or automation experience; familiarity with Visual Basic, C#, Python, APIs/JSON and UiPath; eagerness to learn AI/ML; strong analytical and teamwork skills.
Steel DynamicsNASDAQ: STLD: Produces steel and metal products from recycled scrap.
5+ YOEBachelor's in CS/Software Engineering/Information Systems, 5+ years software QA/testing, experience with Playwright, building testing frameworks, proficiency in C#/.NET or Python, and onsite work in Fort Wayne, IN.