60 software developement engineer jobs at 25 companies in Defiance, OH
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Senior Software Engineer
Van Wert County or Dublin
HybridFull Time
Central Insurance: Provides property and casualty insurance to individuals and businesses.
2+ YOEMaster's in CS +2 years, Bachelor's in CS +4 years, or 6 years related experience; strong software development, systems engineering, debugging, testing, and communication skills; ability to design scalable services and mentor others.
Steel DynamicsNASDAQ: STLD: Produces steel and metal products from recycled scrap.
Mid-level developer with BSc/BA in CS/IT, skillful in SQL, experience with multiple OS/DBs/languages, project management methodologies, strong problem-solving and communication skills.
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
RTXNYSE: RTX: RTX provides advanced aerospace and defense systems and services.
2+ YOEBachelor’s degree in STEM, 2+ years professional software development using C++, Java, or Ada, ability to obtain and maintain U.S. Secret security clearance, experience with Agile and CI/CD, strong communication and problem-solving skills.
C++, Java, Ada, Azure, Git, Atlassian Suite, Eclipse, Ansible, Gitlab, Jenkins, GitHub, Linux, VxWorks, INTEGRITY, Red Hat
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
Software Engineer II, Reporting & Fulfillment (On-Site)
Fort Wayne, Indiana, United States
OnsiteFull Time
Neumo: Provides integrated software and payment solutions for government agencies.
3+ YOE3-5 years software development experience with SQL Server, T-SQL, SSIS, and experience developing in VB.NET and ASP.NET Web Forms; attention to data accuracy and collaboration skills.
SQL Server, T-SQL, Stored Procedures and Views, SSIS, VB.NET, ASP.NET Web Forms, SQL Jobs, SQL CLR, Claude Code, Cursor, Microsoft Copilot
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.
United States or Traverse City or Illinois or Colorado or California or District of Columbia or Hawaii or Maryland or Minnesota or Nevada or New York or Jersey City or Cincinnati or Toledo or Rhode Island or Washington or British Columbia
RemoteFull Time
HagertyNYSE: HGTY: Provide specialty insurance and membership services for automotive enthusiasts.
Experience building large-scale customer-facing systems; frontend and backend development with TypeScript/Node.js; familiarity with CI/CD, infrastructure-as-code, and production support; collaborative team participation.
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
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
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
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.
Aktion Associates: North American ERP software reseller and top workplaces in 2025.
3+ YOESage Intacct experience required; 3 years with Sage Intacct and cloud-based financial systems; Bachelor's degree preferred; Proficiency in Postman, HTML, SQL, PHP, .NET, XSL; US work authorization.
Exton or Lexington or Peachtree City or Bridgman or Holland or Detroit or Houston
HybridFull Time
Convergix Automation Solutions: Designs and integrates custom industrial automation and control systems.
Experience with industrial/ manufacturing software (MES/IIoT), industrial controls and PLC platforms; development using Python, Java, JavaScript, or Microsoft .NET; database familiarity (Microsoft SQL Server, PostgreSQL, MySQL, Oracle, InfluxDB); practical use of GitHub Copilot/Claude and LLM concepts.
GitHub Copilot, Claude, Python, Java, JavaScript, Microsoft .NET, MES, IIoT, PLC, Rockwell, Siemens, Aveva/Wonderware, GE, MQTT, Microsoft Azure DevOps, AWS, Node-Red, Docker, Microsoft SQL Server, PostgreSQL, MySQL, Oracle, InfluxDB, Inductive Ignition, Sepasoft, Cirrus Link Solutions
Exton or Lexington or Peachtree City or Bridgman or Holland or Detroit or Houston
HybridFull Time
Convergix Automation Solutions: Designs and integrates custom industrial automation and robotics.
Experience in manufacturing software (Information/MES/IIoT), industrial controls and PLCs, network design and virtualization; advanced development with Python/Java/JavaScript/Microsoft .NET; DB familiarity and use of GitHub Copilot/Claude.
GitHub Copilot, Claude, Python, Java, JavaScript, Microsoft .NET, Microsoft SQL Server, PostgreSQL, MySQL, Oracle, InfluxDB, MQTT, Azure DevOps, AWS, Node-Red, Docker, Ignition, Sepasoft, Cirrus Link Solutions, Rockwell, Siemens, Aveva/Wonderware, GE
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
Franklin ElectricNASDAQ: FELE: Designs and manufactures water and fuel pumping systems.
5+ YOE5+ years related experience; proficiency in .NET, JavaScript, Microsoft SQL Server, web services/API, Azure DevOps; experience with CMS (Optimizely) and translating designs into front-end code.
.NET, JavaScript, jQuery, Angular, React, Microsoft SQL Server, web services, web API, Optimizely CMS, Optimizely Commerce, Azure DevOps
Lincoln FinancialNew York Stock Exchange: LNC: Provides life insurance, annuities, and retirement planning services.
5+ YOE5+ years ML/AI engineering experience, strong Python, experience productionizing AI on cloud (AWS), familiarity with Databricks, MLflow, SQL and PySpark, SageMaker Studio/AgentCore a plus, bachelor's degree or equivalent experience.
Parts Town: Distributes genuine OEM parts for commercial kitchens, HVAC, and appliances.
Extensive SAP ABAP development for S/4HANA, ABAP Workbench, SAP integrations (RFCs, BAPIs, IDocs, OData), Fiori, data modeling, and SDLC collaboration.
SAP ABAP, SAP S/4HANA, ABAP Workbench, RFC, BAPI, IDOC, ODATA, Web Services, Fiori, SQL Server
Owens CorningNYSE: OC: Manufactures building insulation, roofing, and fiberglass composites.
3+ YOEBachelor's in CS/IT/IS (or equivalent), 3+ years with major cloud platforms, experience with CI/CD (Azure DevOps), IAC (Terraform/CloudFormation), Linux/Windows/MacOS administration, databases, web servers, scripting, and cloud security.