Senior Software Engineer (.NET
Job in
Fort Wayne, Allen County, Indiana, 46804, USA
Listed on 2026-05-05
Listing for:
Mondo
Full Time
position Listed on 2026-05-05
Job specializations:
-
Software Development
Backend Developer, Cloud Engineer - Software, Software Engineer, C# / Unity Developer
Job Description & How to Apply Below
Position Summary
Apply now:
Sr. Software Engineer (.NET), location is Hybrid. The start date is ASAP for this permanent position.
Location-Type:
Hybrid (drivable to Fort Wayne, IN; ~1x/week after onboarding)
Duration:
Permanent
Compensation Range: $120-135k
Benefits:
Eligible for Health, Dental, Vision, 401K, PTO
Must be authorized to work in the U.S. This position is not eligible for sponsorship.
Job DescriptionSenior engineer responsible for maintaining and modernizing kiosk-based applications, transitioning legacy .NET systems to a cloud-first architecture.
Day-to-Day Responsibilities- Troubleshoot and resolve issues across SQL, backend, and UI layers
- Maintain and enhance legacy applications (, Win Forms, .NET Framework)
- Develop backend services and APIs using C# and ASP.NET
- Optimize SQL Server queries, indexing, and performance for transactional systems
- Support migration from on-prem systems to Azure Cloud
- Work hands-on with kiosk hardware (card readers, peripherals) for testing and validation
- Collaborate with QA to deliver stable release candidates
- Partner with cross-functional teams to understand business workflows and system integrations
- Contribute to architectural planning for modernization to .NET (v10)
- 7 years of software development experience
- Strong expertise in C#, ASP.NET, and modern .NET Core
- Hands-on experience with (required)
- Advanced SQL Server skills (complex queries, performance tuning, indexing)
- Experience building/maintaining Win Forms or desktop applications
- Backend/API development (REST, Web APIs, SOAP exposure)
- Experience working in legacy systems and debugging across full stack layers
- Azure or cloud exposure (Data Lakes, SQL Azure preferred)
- Bachelor's degree
- Strong collaboration skills; ability to take direction and work across teams
- Experience with JavaScript frameworks (React, Angular, Vue)
- Experience with PCI compliance or OWASP best practices
- Experience modernizing legacy systems or cloud migrations
- Familiarity with CI/CD pipelines and automated testing tools
Position Requirements
10+ Years
work experience
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