Senior Software Engineer - .Net/React.js

Description :

About the Role :

Insight Global is seeking a hands-on Senior Application Developer to design, build, and enhance a web-based, AI-powered .NET application that serves as an intelligent operations platform. This platform centralizes operational and site-level information, streamlines workflows, and delivers intuitive, high-performance user experiences used across global sites.

In this role, you will work end-to-end across the full application stack, including Next.js/React for front-end development, Node.js for services and integrations, and .NET (ASP.NET Core/C#) for back-end systems. You will collaborate closely with product management, data/AI teams, site operations, and reliability engineers to deliver secure, scalable, and performant features.

Key Responsibilities :

Application Development :

- Design, develop, test, and maintain scalable web-based applications using Next.js, React, Node.js, and .NET.

- Build responsive, accessible, and intuitive user interfaces that support complex operational workflows.

- Develop and maintain backend services and APIs using ASP.NET Core/C# and Node.js frameworks (Express, Fastify, or NestJS).

- Integrate AI-driven insights and data pipelines into user-facing features.

Architecture & Performance :

- Contribute to application architecture decisions, ensuring scalability, maintainability, and performance.

- Optimize application performance through bundle splitting, caching strategies, CDN usage, and efficient API design.

- Apply best practices for secure coding, authentication, authorization, and data protection.

Data & Integration :

- Design and implement data access patterns using Oracle databases, including schema management and query optimization.

- Work with both relational (SQL Server, PostgreSQL) and NoSQL data stores.

- Integrate with internal and external services to support operational workflows.

Quality & DevOps :

- Implement and maintain automated testing strategies (unit, integration, and end-to-end tests).

- Contribute to and support CI/CD pipelines using Azure DevOps.

- Participate in code reviews, troubleshooting, and production support.

Collaboration & Communication :

- Collaborate with product, data/AI, site operations, and reliability teams to translate operational needs into effective technical solutions.

- Communicate technical concepts clearly to both technical and non-technical stakeholders.

- Participate in Agile ceremonies and contribute to continuous improvement initiatives.

Required Skills & Experience :

- 5+ years of professional software development experience building production-grade web applications at scale.

- Minimum 5 years of hands-on experience with JavaScript/TypeScript, React, and Next.js.

- Strong experience with Node.js and backend frameworks such as Express, Fastify, or NestJS.

- Professional experience developing backend services using .NET (ASP.NET Core/C#).

- Strong experience with Oracle databases, including schema design, query optimization, and data integration.

- Hands-on experience with relational databases (SQL Server, PostgreSQL) and NoSQL data stores.

Deep understanding of :

- Web performance optimization

- Accessibility standards (WCAG)

- Secure coding practices

- Experience with automated testing and CI/CD pipelines, specifically using Azure DevOps.

- Excellent communication skills with the ability to collaborate across cross-functional teams.