Senior .NET Developer

Insight Global; Cincinnati (OH); On-site; USD 110,000 - 140,000; Full time

Job summary

Insight Global is seeking a Senior .NET Developer to support enterprise HR, Legal, and Compliance systems. You will design, develop, and modernize C#/.NET applications and APIs, working closely with business stakeholders to translate requirements into technical solutions.

You will drive modernization efforts, build integrations across systems, and develop POCs to validate new technologies. This role requires ownership from analysis to deployment and a strong focus on security and compliance.

Qualifications

• 5+ years of experience with C# / .NET Core development.
• Experience building and supporting REST APIs and backend services.
• Experience modernizing or enhancing legacy enterprise applications.
• Experience with React, Blazor, or similar UI frameworks.
• Experience working directly with HR, Legal, Compliance, or other business stakeholders.
• Ability to independently own projects from requirements through delivery.
• Experience using AI tools to improve development productivity.
• Strong communication skills.
• Kafka or event-driven architecture experience.
• Experience with enterprise application integrations.
• Background in financial services, insurance, or other regulated industries.
• Experience supporting application modernization initiatives.

Responsibilities

• Design, develop, and support C#/.NET applications and APIs supporting HR, Legal, and Compliance functions.
• Partner directly with business stakeholders to gather requirements and deliver technical solutions.
• Modernize legacy applications through upgrades, enhancements, and code refactoring.
• Build and support integrations between enterprise business systems.
• Develop proof-of-concepts (POCs) to validate new technologies and modernization strategies.
• Create technical documentation, solution recommendations, and application assessments.
• Ensure applications meet security, governance, audit, and compliance requirements.
• Troubleshoot production issues and implement long-term solutions.
• Own projects from analysis and design through development, testing, and deployment.
• Collaborate with application teams to drive continuous improvement and modernization efforts.

Skills

C# / .NET Core

REST APIs

React/Blazor

Stakeholder collaboration

AI tools usage

Event-driven architecture

Enterprise integrations

Application modernization

Strong communication

Security/compliance awareness

Tools

Git

CI/CD

Job description

Job Description

The Senior .NET Developer will support a business application team responsible for enterprise systems used by Human Resources, Legal, and Compliance organizations. This individual will help develop, enhance, and modernize applications that support employee management, compliance processes, policy administration, reporting, and other critical business functions.

This role requires a hands-on developer who can work directly with business stakeholders, translate requirements into technical solutions, and independently drive development efforts across a portfolio of applications.

• Design, develop, and support C#/.NET applications and APIs supporting HR, Legal, and Compliance functions
• Partner directly with business stakeholders to gather requirements and deliver technical solutions
• Modernize legacy applications through upgrades, enhancements, and code refactoring
• Build and support integrations between enterprise business systems
• Develop proof-of-concepts (POCs) to validate new technologies and modernization strategies
• Create technical documentation, solution recommendations, and application assessments
• Ensure applications meet security, governance, audit, and compliance requirements
• Troubleshoot production issues and implement long-term solutions
• Own projects from analysis and design through development, testing, and deployment

Collaborate with application teams to drive continuous improvement and modernization efforts

We are a company committed to creating diverse and inclusive environments where people can bring their full, authentic selves to work every day. We are an equal opportunity/affirmative action employer that believes everyone matters. Qualified candidates will receive consideration for employment regardless of their race, color, ethnicity, religion, sex (including pregnancy), sexual orientation, gender identity and expression, marital status, national origin, ancestry, genetic factors, age, disability, protected veteran status, military or uniformed service member status, or any other status or characteristic protected by applicable laws, regulations, and ordinances. If you need assistance and/or a reasonable accommodation due to a disability during the application or recruiting process, please send a request to [e-mail] learn more about how we collect, keep, and process your private information, please review Insight Global's Workforce Privacy Policy: https://insightglobal.com/workforce-privacy-policy/.

Skills and Requirements

• 5+ years of experience with C# / .NET Core development
• Experience building and supporting REST APIs and backend services
• Experience modernizing or enhancing legacy enterprise applications
• Experience with React, Blazor, or similar UI frameworks
• Experience working directly with HR, Legal, Compliance, or other business stakeholders
• Ability to independently own projects from requirements through delivery
• Experience using AI tools (Copilot, ChatGPT, etc.) to improve development productivity
• Strong communication skills
• Kafka or event-driven architecture experience
• Experience with enterprise application integrations
• Background in financial services, insurance, or other regulated industries
• Experience supporting application modernization initiatives