Senior .NET Engineer

Insight Global; Orlando (FL); On-site; USD 120,000 - 160,000; Full time

Job summary

Insight Global is seeking an experienced backend engineer to build and maintain APIs powering customer-facing digital experiences. The role emphasizes CMS integrations, robust API contracts, and cloud-native services on Azure with strong observability and resilience.

You will drive design discussions, code reviews, and continuous improvement of development practices. Applicants should have deep expertise in C#/.NET, REST APIs, and testing across unit/integration/API layers, plus Azure cloud

Qualifications

• 7+ years of hands-on experience with C#/.NET including REST APIs, DI, async programming, validation, and secure API development.
• Strong troubleshooting skills in production environments.
• Experience building and maintaining backend applications and services.
• Experience with DevOps practices, including CI/CD setup and management.
• Proven track record of automated test coverage (unit/integration/API) for critical workflows.
• Experience with testing frameworks such as xUnit, NUnit, Jest, or MSTest.
• Azure cloud-native development including deployments, configuration, and secrets management.
• Understanding of how backend systems interact across mobile and web layers.

Responsibilities

• Build and maintain backend services and APIs for customer-facing digital experiences.
• Integrate backend services with CMS-driven experiences for content-driven platforms.
• Design stable API contracts with versioning and backward compatibility.
• Develop cloud-native services on Azure or other major cloud platforms with observability and resiliency.
• Lead technical design discussions, code reviews, and process improvements.
• Own quality end-to-end via automated testing and appropriate coverage.
• Use AI-assisted development tools to improve productivity and code quality.

Skills

C#/.NET

REST API design

async programming

troubleshooting in production

DevOps & CI/CD

testing (unit/integration/API)

Node.js backend

mobile backend interaction

Tools

xUnit/NUnit/Jest/MSTest

Azure

Job description

Job Description

• Build and maintain backend services and APIs supporting customer-facing digital experiences
• Integrate backend services with CMS-driven experiences, enabling content-driven and configurable experiences across the platform
• Design stable API contracts with clear versioning, backward compatibility, and predictable behavior
• Build cloud-native services on Azure or other major cloud platforms, with attention to observability, resiliency, and performance
• Drive technical design discussions, code reviews, and continuous improvement of development practices
• Own quality end-to-end through automated testing and the right level of code coverage
• Use modern AI-assisted development tools responsibly to improve productivity, code quality, and developer velocity

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]. To 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

• 7+ years of hands-on experience with C#/.NET, including building REST APIs, implementing dependency injection, async programming, validation, and secure API development
• Strong troubleshooting skills in production environments
• Hands-on experience building, supporting, new and maintaining existing applications
• Experience with DevOps practices, including CI/CD pipeline setup and management
• Proven track record of building and maintaining automated test coverage as part of delivery (unit, integration, and API testing for critical workflows)
• Experience with testing frameworks such as xUnit, NUnit, Jest, or MSTest
• Cloud-native development experience in Azure, including deployments, configuration, and secrets management
• Comfortable working across backend, web, and mobile layers, with a solid understanding of how systems interact in production
• Strong communication skills, and the ability to clearly explain technical designs and decisions and align across engineering and cross-functional teams
• Comfortable working with and modernizing legacy systems while maintaining stability and reliability
• Production experience building backend services with Node.js, including API frameworks and asynchronous service behavior
• Prior experience working with iOS and Android and how mobile apps interact with the backend
• Prior experience providing the platform for the mobile applications
• Understanding the need of a mobile app integrated platform
• Experience supporting CMS-based Web platforms through backend services, integrations, and content delivery patterns