Senior Dotnet Developer

Senior .NET Software Developer / Technical Lead

Duration: 6 month contract to hire

Location: Cincinnati, OH

Start Date: ASAP

About the Role

We’re looking for a Senior .NET Software Developer / Technical Lead to join an HR IT team supporting internal systems used by Human Resources, Benefits, and Corporate Communications. This role is ideal for a strong backend developer who enjoys technical leadership, modern engineering practices, and partnering closely with business stakeholders. You’ll step into a key leadership position, acting as the primary technical owner for critical HR applications while mentoring a small development team and driving modernization initiatives.

What You’ll Do

• Serve as the technical lead for HR-related application systems, owning architecture and technical decision-making
• Lead and mentor a team of ~4 developers, providing hands-on guidance and technical direction
• Design, build, and support enterprise .NET backend systems (roughly 90% backend / 10% frontend)
• Modernize and migrate legacy .NET applications to modern architectures
• Build and maintain secure, scalable RESTful APIs and enterprise applications
• Partner with HR and business stakeholders to translate requirements into technical solutions
• Define and uphold standards for CI/CD pipelines, cloud deployments, documentation, and code quality
• Lead development efforts across the full software development lifecycle (SDLC)
• Evaluate new tools, platforms, and architectural approaches to continuously improve systems

What We’re Looking For

Required Experience

• 7+ years of professional software development experience
• Strong backend expertise in .NET Core (v8 required; v10 preferred)
• Some frontend experience with React or Angular
• Hands-on experience with CI/CD pipelines (Azure DevOps or similar tools)
• Cloud development and deployment experience (Azure preferred, AWS or GCP acceptable)
• Experience with AI/ML integrations or AI-enabled applications
• Proven experience as a senior engineer or technical lead on complex systems
• Strong experience building and supporting REST APIs and enterprise applications
• Ability to mentor developers and lead technical discussions
• Strong written and verbal communication skills
• Bachelor’s degree in Computer Science or equivalent professional experience

Nice to Have

• Frontend experience with Blazor
• Experience with microservices or distributed systems
• Strong background in database design and data integrations
• Experience supporting HR, Benefits, or internal enterprise systems
• Leadership experience on large-scale modernization or migration initiatives
• Familiarity with security, compliance, and enterprise governance standards

Why This Role

• High‑impact leadership role with real ownership and influence
• Opportunity to modernize and shape critical internal systems
• Balance of hands-on development and technical leadership
• Collaborative environment working closely with business partners