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.Net React Developer/Lead

Spar Information SystemsLisle, IL🇺🇸United StatesPosted 5 Aug 2026

Quick Overview

Work Type
Hybrid
Level
Mid Senior

Job Description

Responsibilities include:
Min 6+ yrs of development experience with / .NET Core using C# (and/or ) in Visual Studio IDE
Min 6+ yrs of development experience with ReactJS
Experience in developing Web APIs in .NET Core
Experience in writing extensive unit tests and Web API testing.
Good Understanding of security, performance, and scalability considerations
Experience modernizing legacy Web Forms applications to .NET Core + React
Strong understanding of HTML, XML, CSS, JSON, JavaScript & jQuery
Expert level knowledge in SQL, including writing complex queries and stored procedures
Skilled in working with SOAP and REST services.
Good understanding of object-oriented programming (OOP) principles.
Understanding of the GitFlow branching strategy and deployments
Familiarity with deploying to Kubernetes clusters
Understanding of SOLID design principles
Experience with code refactoring and design patterns
Familiarity with ADO or JIRA
Familiarity with CI/CD pipeline
Familiarity with TFS, GIT
Familiarity with Azure
Strong understanding of technical best practices to support an agile environment
Familiarity with Telerik is a plus
Ability to work independently and as part of a team

Skills

SOAP
SQL
Agile
Azure
C#
CSS
.NET
Git
HTML
JavaScript
Jira
Kubernetes
REST
React
jQuery

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