Client – 1 ( Contract Requirement) Cont JC# | Account | Skill | Open position | Location 111675 | LTA | .Net Developer with React | 1 | Singapore Duration ::  16 months extendable Shift timing : Night Position: Python Developer with ReactExperience: 1-2 yearsGood to Have: GIS System knowledge (ArcGIS, spatial data handling)  Key Responsibilities Develop, test, and maintain web applications using .NET Core (C#) and React.js.Build and integrate RESTful APIs and backend services.Work with SQL Server and Entity Framework for data storage and modeling.Implement responsive UI/UX using React, JavaScript, TypeScript, HTML, and CSS.Collaborate with cross-functional teams to gather requirements and deliver solutions.Ensure application performance, security, and scalability.Participate in code reviews, debugging, and troubleshooting.Work in Agile environments and contribute to CI/CD pipelines.If GIS is involved: Integrate ArcGIS SDK, ArcGIS Server, or similar tools.Handle spatial data and develop map-based features.  Required SkillsStrong proficiency in .NET Core/.NET 6+, C#, and React.js.Experience with JavaScript, TypeScript, HTML5, CSS3.Knowledge of SQL Server, Entity Framework, and REST APIs.Familiarity with Azure/AWS cloud services and authentication (OAuth, JWT).Understanding of Agile methodology and CI/CD pipelines.Excellent problem-solving and communication skills.  Preferred Skills (GIS Advantage)Experience with ArcGIS, Esri tools, or similar GIS platforms.Spatial database design (SQL Server Spatial or Oracle Spatial).Knowledge of ArcGIS API for JavaScript, ArcGIS Pro, or ArcGIS Portal.  EducationBachelor’s degree in Computer Science, IT, or related field.