31 c software developer jobs at 15 companies in Defiance, OH
🚀PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yrOn-SiteFull Time
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).
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.
RTXNYSE: RTX: RTX provides advanced aerospace and defense systems and services.
8+ YOESTEM degree and at least 8 years of software development experience; proficient in C, C++, Python, Ada; ability to obtain/maintain DoD Secret clearance; U.S. citizenship required; on-site in Fort Wayne, IN.
Atlassian Suite, Jenkins, Eclipse, Ansible, CI/CD, Red Hat Linux
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
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
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.
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.
First SolarNASDAQ: FSLR: Designs and manufactures thin-film photovoltaic solar modules.
4+ YOE4+ years in manufacturing systems or software teams; strong C#, XAML, ASP.NET, JavaScript, T-SQL; experience with SQL Server, SSIS; knowledge of PLC/OPC systems is a plus.
C#, XAML, ASP.NET, JavaScript, T-SQL, MSMQ, AngularJS, SSIS, SQL Server
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.
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
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
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.
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.
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).
BAE SystemsLondon Stock Exchange: BA: Designs and manufactures advanced defense and aerospace systems.
12+ YOEBachelor's in engineering and 12+ years leading FADEC system architecture, hardware/firmware/software integration, safety-critical development (ARP4754, DO-178B/C, DO-254); strategic roadmap, customer engagement, and technical leadership skills required. Secret clearance eligibility and U.S. person required.
Model Based Systems Engineering (MBSE), SysML, Digital Engineering, FADEC, ARP4754, DO-178B/C, DO-254