Software Engineer III

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

Job summary

Insight Global in Cleveland, OH is seeking a Software Engineer III to join a collaborative Agile team building and modernizing enterprise applications. This hands-on, full-stack role emphasizes API-driven architectures, scalable web apps, and customer-facing solutions.

You will design, build, and maintain RESTful services using C#, .NET, Angular or Blazor, and SQL Server, mentor junior developers, participate in architecture discussions, and contribute to engineering best practices.

Qualifications

• Bachelor's degree in Computer Science or related field
• 5+ years of software development experience
• Strong experience with C# and the Microsoft .NET platform
• Experience developing RESTful APIs
• Experience with Angular and TypeScript
• Experience with ASP.NET Core and modern .NET development practices
• Strong understanding of object-oriented programming, design patterns, and software architecture principles
• Experience working with Microsoft SQL Server, including writing queries and stored procedures
• Experience with Git or other source control technologies
• Strong problem-solving and troubleshooting skills
• Ability to work independently with minimal oversight
• Excellent written and verbal communication skills

Responsibilities

• Design, develop, test, and maintain enterprise applications using C#, .NET, and ASP.NET Core
• Build and enhance modern web applications using Angular and TypeScript
• Design, develop, and support RESTful APIs and integration services
• Partner with Product Owners, Business Analysts, QA teams, and other developers to deliver business solutions
• Troubleshoot and resolve application defects, production issues, and performance challenges
• Support modernization efforts by enhancing existing applications and developing new solutions
• Participate in architecture discussions, code reviews, and technical design sessions
• Develop reusable components and services that improve consistency and efficiency across applications
• Write and optimize SQL queries, stored procedures, and database objects within SQL Server
• Participate in Agile ceremonies including sprint planning, stand-ups, reviews, and retrospectives
• Create and maintain technical documentation
• Mentor junior developers and contribute to engineering best practices

Skills

C#

.NET

Angular

Blazor

TypeScript

REST APIs

SQL Server

Git

Software architecture

Agile

Education

Bachelor's degree in Computer Science or related field

Tools

ASP.NET Core

Azure

Angular CLI

Job description

We are seeking a Software Engineer III to join a collaborative Agile development team focused on building and modernizing enterprise applications. This role is ideal for a hands-on full-stack developer with strong experience in the Microsoft technology stack and a passion for developing scalable web applications and APIs.

The team is actively modernizing legacy solutions and moving toward API-driven architectures, making strong API development experience a key requirement. This position will contribute to the design, development, support, and enhancement of both internal and customer-facing applications while working closely with business and technology partners.

The ideal candidate brings expertise in C#, .NET, Angular or Blazor, SQL Server, and REST API development, along with the ability to work independently, contribute to technical design discussions, and mentor junior team members.

Responsibilities

• Design, develop, test, and maintain enterprise applications using C#, .NET, and ASP.NET Core
• Build and enhance modern web applications using Angular and TypeScript
• Design, develop, and support RESTful APIs and integration services
• Partner with Product Owners, Business Analysts, QA teams, and other developers to deliver business solutions
• Troubleshoot and resolve application defects, production issues, and performance challenges
• Support modernization efforts by enhancing existing applications and developing new solutions
• Participate in architecture discussions, code reviews, and technical design sessions
• Develop reusable components and services that improve consistency and efficiency across applications
• Write and optimize SQL queries, stored procedures, and database objects within SQL Server
• Participate in Agile ceremonies including sprint planning, stand-ups, reviews, and retrospectives
• Create and maintain technical documentation
• Mentor junior developers and contribute to engineering best practices

Required Qualifications

• Bachelor's degree in Computer Science, Information Systems, Software Engineering, or equivalent professional experience
• 5+ years of software development experience
• Strong experience with C# and the Microsoft .NET platform
• Experience developing RESTful APIs and service-based applications
• Experience with Angular and TypeScript
• Experience with ASP.NET Core and modern .NET development practices
• Strong understanding of object-oriented programming, design patterns, and software architecture principles
• Experience working with Microsoft SQL Server, including writing queries and stored procedures
• Experience with Git or other source control technologies
• Strong problem-solving and troubleshooting skills
• Ability to work independently with minimal oversight
• Excellent written and verbal communication skills

Preferred Qualifications

• Experience with .NET 8 or newer
• Experience with Blazor Server and/or Blazor WebAssembly
• Experience with microservices and distributed systems
• Experience integrating with third-party systems and APIs
• Experience using AI-assisted development tools such as GitHub Copilot, Microsoft Copilot, Azure OpenAI, or similar platforms to improve developer productivity and software delivery