31 c software developer jobs at 15 companies in Defiance, OH

PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yr On-SiteFull Time
HiringCafe
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).
React, Next.js, TypeScript, Firebase, Elasticsearch, Redis, Stripe
1mo
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Software Engineer
Van Wert or Dublin
HybridFull Time
Central Insurance
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.
Claude Code, Java, SQL, .NET, Go, C
2mo
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Principal Software Engineer
Fort Wayne, Indiana, United States
$108k-$205k/yr OnsiteFull Time
RTX
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
3w
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Software Developer
Toledo or Ohio or Michigan or Texas or Florida or Missouri or Oregon
RemoteFull Time
Double A Solutions
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
3w
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Manufacturing Software Developer
Fort Wayne, Indiana, United States
OnsiteFull Time
Riverside Mfg
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
1w
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Software Engineer
Fort Wayne, Indiana, United States
HybridFull Time
DMA
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.
.NET (C#), C#, HTML, CSS, JavaScript, SQL, GitLab, Atlassian Jira, Google Chrome
2mo
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Sr. Software Engineer (On-Site)
Fort Wayne, Indiana, United States
OnsiteFull Time
Neumo
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.
VB.NET, C#, Visual Studio, ASP.NET, Web API, MVC, REST, Azure, SQL Server, Vue.js, WinForms
2mo
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Software Engineer- MES II USA
Perrysburg, Ohio, United States
$91k-$130k/yr OnsiteFull Time
First Solar
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
2d
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Senior Backend Software Developer
Maumee or Dallas
RemoteFull Time
GPRS
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.
C# .NET 6/7/8, Entity Framework Core, Rest API, Fast Endpoints, PostgreSQL, MSSQL, PostGIS, GitHub Actions, AKS, Kubernetes, Redis, Application Insights, Azure Functions, Azure Service Bus, Azure App Configuration, Okta, Auth0, xUnit, JIRA
3d
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Senior Software Engineer
San Antonio or Findlay
OnsiteFull Time
Marathon Petroleum
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
2mo
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Senior Software Engineer - Logistics Technology
Fort Wayne, Indiana, United States
OnsiteFull Time
Sweetwater
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
2mo
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Intern Engineer - (Co-Op - May 2026 Start)
Fort Wayne, Indiana, United States
$27/yr HybridInternship
General Dynamics Mission Systems
General Dynamics Mission SystemsNYSE: GD: Designs and manufactures defense and mission-critical technology solutions.
0+ YOEEnrolled in an accredited degree program in engineering or related field; software/embedded experience preferred.
C, C++, Python, Embedded Software
2w
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Director of Software Engineering
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
Hagerty
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.
C#, Terraform, Typescript, HTTP API, ReST, RPC, GraphQL, SAML, OAuth 2, OIDC, STRIDE, TCP/IP, VMs, containers
2w
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Automation Engineer I
Fort Wayne, Indiana, United States
OnsiteFull Time
Brotherhood Mutual
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.
UiPath, Visual Basic, C#, Python, JSON
3w
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Systems V&V Team Leader
Maumee or Toledo
OnsiteFull Time
Dana
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).
VectorCast, Vector Canape, CANalyzer/CANoe, CANdella Studio, Typhoon, dSPACE, Automation Desk, Synect, Polarion, Jira, Azure Git, C, C++, ASPICE, ISO 26262, IATF-16949, ISO-SAE-21434, AUTOSAR, Cyber Security Testing Methods
3mo
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Technical Director - Engine Controls Systems
Endicott or Cedar Rapids or Fort Wayne or Austin
$153k-$261k/yr HybridFull Time
BAE Systems
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