345 senior developer jobs at 151 companies in Defiance, OH

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Senior Process Engineer
Bryan, Ohio, United States
OnsiteFull Time
Yanfeng
Yanfeng: Global manufacturer of automotive interiors, seating, and electronics.
Bachelor's degree; senior process engineering experience preferred.
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
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Senior Software Engineer - Embedded Communications (ONSITE)
Fort Wayne, Indiana, United States
$87k-$165k/yr OnsiteFull Time
RTX
RTXNYSE: RTX: RTX provides advanced aerospace and defense systems and services.
5+ YOEEmbedded development, OO design, Jira/Subversion/Git, SECRET clearance, US citizenship, STEM degree with 3–5 years experience.
Jira, Subversion, Git, Version Management
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Senior Structural Engineer
Indianapolis or Fort Wayne
HybridFull Time, Contract
High Companies
High Companies: Diversified provider of construction, infrastructure, and real estate services.
7+ YOESenior Structural Engineer with 7+ years in concrete construction/restoration; P.E. preferred; leads surveys, reporting, and technical sales support; Indianapolis-based territory.
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Senior Structural Engineer
Cincinnati or Toledo or Dayton
HybridFull Time
Fishbeck
Fishbeck: A professional engineering services firm offering structural engineering and project coordination.
8+ YOESenior structural engineer with 8–12 years' experience in design of structural systems; PE preferred; proficient in BIM (Revit) and codes IBC, ASCE 7, AISC 360, ACI 318.
Revit, RISA, RAM, Tedds
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Senior 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 Computer Science + 2 years OR Bachelor's in Computer Science + 4 years OR 6 years related experience. Senior-level software engineering skills in architecture, testing, monitoring, and mentoring. Must be authorized to work in the U.S.; no sponsorship.
1w
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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
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Senior Data Engineer
San Antonio or Findlay
OnsiteFull Time
Marathon Petroleum
Marathon PetroleumNYSE: MPC: Refines and markets petroleum products and renewable fuels.
5+ YOE5+ years data engineering experience; BS in Information Technology or related field; strong Python, SQL, Spark; Azure Data Factory/Databricks; cloud data pipelines; mentoring.
Python, SQL, Spark, Azure Data Factory, Databricks, Azure, Data Lake, Synapse Analytics, Hadoop
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Senior Mechanical Engineer
Fort Wayne, Indiana, United States
OnsiteFull Time
Riverside Mfg
Riverside Mfg: Designs and manufactures electronics for harsh environment vehicles and equipment.
5+ YOEBachelor’s in mechanical engineering; 5+ years in mechanical design; Inventor and 3D printing experience preferred.
Autodesk Inventor, 3D printing, Design prototyping, Fixture design
3mo
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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
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Senior Electrical Engineer - Buildings
Maumee, Ohio, United States
OnsiteFull Time
MG2
MG2: Global architecture and design firm providing integrated professional services.
12+ YOEBachelor's in electrical engineering; 12-15+ years of electrical design experience for buildings; Ohio PE license; NFPA 70/NEC knowledge; proficiency in Revit and power-study software; travel to client sites.
Revit, AGI Lighting, SKM, EasyPower, ETAP, NFPA 70 (NEC)
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Senior Industrial Engineer (70540)
Findlay, Ohio, United States
OnsiteFull Time
Whirlpool
WhirlpoolNYSE: WHR: Manufactures and markets home laundry and kitchen appliances.
3+ YOEBachelor’s Degree and 3+ years of manufacturing experience; Lean, analytics, SAP costing, and project management skills.
SAP, AutoCAD, Microsoft Office, Google Workspace
1mo
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Senior ServiceNow Application Developer
Radnor or Charlotte or Fort Wayne or Greensboro
$97k-$176k/yr HybridFull Time
Lincoln Financial
Lincoln FinancialNew York Stock Exchange: LNC: Provides life insurance, annuities, and retirement planning services.
5+ YOE5+ years hands-on ServiceNow experience, advanced JavaScript/GlideScript, strong knowledge of ServiceNow modules (ITSM, CMDB, ITOM, CSM, SPM, SecOps) and CSDM; ServiceNow certifications a plus.
JavaScript, GlideScript, ServiceNow, IntegrationHub, APIs, ITSM, CMDB, ITOM, CSM, SPM, SecOps, ServiceNow Common Service Data Model (CSDM)
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Senior Project Engineer - Roofing Systems
Littleton or Bremen or Scottsboro or Hazleton or Macon or Rockdale or Milan or Fernley or Hillsboro or Jacksonville
$121k-$166k/yr OnsiteFull Time
Johns Manville
Johns Manville: Manufactures high-performance insulation, roofing systems, and engineered fibers.
5+ YOEBachelor’s in Engineering; 5+ years industrial/manufacturing project experience; strong PM, leadership, and communication skills.
MS Project, Primavera, SAP, MS Office
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Senior Process Safety Engineer
Toledo, Ohio, United States
OnsiteFull Time
Cenovus Energy
Cenovus EnergyToronto Stock Exchange: CVE: Integrated energy producing oil and natural gas.
8+ YOEBachelor’s in engineering, chemistry, science, or safety/environment; 8+ years process safety/engineering in oil & gas or chemicals; US OSHA PSM and EPA RMP knowledge; MOC/HAZOP/LOPA/MAH experience; incident investigation leadership; legally authorized to work in the US.
HAZOP, LOPA, MAH, MOC, OSHA PSM, EPA RMP, Root Cause Analysis
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Senior Geotechnical Engineer
Fort Wayne, Indiana, United States
FieldFull Time
UES
UES: Provides geotechnical engineering, environmental consulting, and construction materials testing.
8+ YOE3+ MgmtPE license required, Bachelor’s in Civil/Geotechnical Engineering (Master’s preferred), 8+ years geotechnical experience with 3+ years in senior/lead roles, advanced geotechnical modeling expertise, strong communication and project management skills.
2mo
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Development Engineer IV USA
Perrysburg, Ohio, United States
$100k-$140k/yr OnsiteFull Time
First Solar
First SolarNASDAQ: FSLR: Designs and manufactures thin-film photovoltaic solar modules.
Senior engineering role focused on perovskite device physics, root-cause analysis, and manufacturing support.
1w
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Senior Engineer- Onsite
Fort Wayne, Indiana, United States
OnsiteFull Time
Fort Wayne Metals
Fort Wayne Metals: Manufacturer of precision wire and specialized material components.
7+ YOEBachelor's degree preferred, 7+ years engineering experience, project management, process improvement, equipment validation, mentoring, customer interaction, ability to travel between facilities.
Micrometers, Gauges, Calipers, Instron
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Senior Electrical Engineer
Fort Wayne, Indiana, United States
OnsiteFull Time
Carrier
CarrierNYSE: CARR: Manufactures HVAC, refrigeration, and fire safety systems.
3+ YOEBachelor's in Electrical/Computer Engineering with 5+ years (or Master's with 3+ years) design experience; experience designing electronic circuits/components; ability to travel domestically and internationally; strong communication and mentorship skills.
Cadence, Altium, VHDL, Minitab, MatLab, PSpice, C, Assembly, Microsoft Word, Microsoft Excel, Microsoft PowerPoint
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Senior Electrical Engineer
Fort Wayne, Indiana, United States
$79k-$158k/yr OnsiteFull Time
Carrier
CarrierNYSE: CARR: Provides HVAC, building automation, and refrigeration solutions globally.
3+ YOEBachelor's in Electrical/Computer Engineering with 5+ years experience or Master's with 3+ years; experience designing electronic circuits and components; ability to travel domestically and internationally.
Cadence, Altium, VHDL, Minitab, MatLab, PSpice, Microsoft Word, Microsoft Excel, Microsoft PowerPoint

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