Senior .NET Full-Stack Engineer | Cloud & Microservices

rlicorp; Peoria (IL); On-site; USD 120,000 - 150,000; Full time

Job summary

RLI Corp. is seeking a Senior Software Engineer (.NET Full Stack) in Peoria, IL to design, develop, and support enterprise applications using the Microsoft stack.

You will work on scalable, cloud-ready systems and collaborate with architects, product owners, and engineers to deliver high-value software for insurance capabilities. The ideal candidate has 8–10 years of professional software development experience, deep C#/.NET expertise, and hands-on work with Blazor, RESTful APIs, and

Qualifications

• Bachelor's degree in Computer Science, Information Technology, Engineering, or equivalent professional experience.
• 8-10 years of professional software development experience.
• Strong experience developing enterprise applications using C# and .NET.
• Experience developing modern web applications using Blazor, Razor, HTML5, CSS3, JavaScript.
• Experience with MongoDB, SQL Server, and Kafka; RESTful APIs.

Responsibilities

• Design, develop, test, and maintain enterprise applications using C# and the .NET platform.
• Build responsive, modern web applications using Blazor, Razor, HTML, CSS, and JavaScript.
• Develop secure, scalable RESTful APIs and backend services.
• Design and implement microservices that support distributed, event-driven applications.
• Develop data access solutions using MongoDB and SQL Server.
• Implement asynchronous messaging and event streaming using Kafka.
• Participate in solution architecture, technical design, and code reviews.
• Build and maintain automated testing and CI/CD pipelines.
• Collaborate with product owners, architects, QA engineers, and stakeholders within Agile teams.
• Troubleshoot production issues and optimize performance, scalability, and reliability.
• Mentor junior engineers and contribute to technical excellence and learning.
• Stay current with emerging AI tech and evaluate value.

Skills

C# / .NET

Blazor

RESTful APIs

Microservices

MongoDB

SQL Server

Kafka

CI/CD

Agile

Git

AI-assisted development

Education

Bachelor's degree in CS/IT/Engineering

Tools

MongoDB

SQL Server

Kafka

Git

Job description

RLI Corp. is seeking a Senior Software Engineer (.NET Full Stack) in Peoria, IL to design, develop, and support enterprise applications using the Microsoft stack.

You will work on scalable, cloud-ready systems and collaborate with architects, product owners, and engineers to deliver high-value software for insurance capabilities. The ideal candidate has 8–10 years of professional software development experience, deep C#/.NET expertise, and hands-on work with Blazor, RESTful APIs, and