Senior Full Stack .NET Developer (Data Migration) l Contract

Manpower Staffing Services; Singapore; On-site; SGD 80,000 - 110,000; Full time

Job summary

A staffing service company in Singapore is seeking an experienced Senior Full Stack .NET Developer. This role involves designing enterprise-level applications, leading data migration projects, and providing production support. The ideal candidate has a minimum of 10 years' experience with .NET technologies, strong front-end skills, and expertise in large-scale data migration. Join a dynamic team focused on cloud integration and impactful systems.

Qualifications

• Minimum 10 years of experience in software development with .NET technologies.
• Hands-on expertise in ASP.NET, C#, VB.NET, MVC, and Web API.
• Proven success in large-scale data migration, especially IBM DB2 to Azure SQL.

Responsibilities

• Design, develop, and maintain web applications using ASP.NET and related technologies.
• Lead data migration projects from on-premise systems to cloud platforms.
• Provide production support, troubleshoot incidents, and ensure system uptime.

Skills

ASP.NET

C#

JavaScript

Python

Cloud integration

Education

Bachelor’s Degree in Computer Science or related field

Tools

MS SQL Server

Azure SQL

Oracle

JCL

SSRS

Job description

We are looking for an experienced Senior Full Stack .NET Developer to join our growing team. You will work on enterprise-level applications, end-to-end development, system enhancements, cloud integration, incident resolution, and high-volume data operations. If you enjoy solving complex problems and building impactful systems, this role is for you.

Responsibilities

• Design, develop, and maintain web applications using ASP.NET, MVC, C#, and related technologies.
• Lead data migration projects from on-premise systems (e.g., IBM DB2) to cloud platforms (e.g., Azure SQL).
• Implement data reconciliation and validation processes to ensure accuracy and integrity.
• Develop automation scripts using Python for migration progress tracking and error handling.
• Create and optimize database structures, stored procedures, and queries in MS SQL Server, Oracle, and Azure SQL.
• Collaborate with stakeholders for requirement gathering, build reviews, and issue resolution.
• Provide production support, troubleshoot incidents, and ensure system uptime. Prepare and execute JCL scripts for IBM mainframe systems.
• Develop reports using SSRS, Crystal Reports, and QlikView.
• Mentor junior developers and ensure adherence to best practices in coding and design.

Requirement

• Bachelor’s Degree in Computer Science or related field.
• Minimum 10 years of experience in software development with .NET technologies.
• Hands‑on expertise in ASP.NET, C#, VB.NET, MVC, and Web API.
• Solid front‑end knowledge: JavaScript, AngularJS, jQuery, HTML5, CSS3, Bootstrap.
• Proven success in large-scale data migration, especially IBM DB2 to Azure SQL.
• Experience working on government, financial, education, or enterprise-level projects.
• Familiarity with Syncfusion UI, reporting tools, and system release management.
• Exposure to cloud migration, Python scripting, and large‑scale data systems.
• Excellent analytical, communication, and problem‑solving skills