Java & .NET Enterprise Applications Developer

THATZ INTERNATIONAL PTE LTD; Singapore; On-site; SGD 60,000 - 90,000; Full time

Job summary

Thatz International Pte Ltd in Singapore seeks an Application Developer (Java & .NET) to analyze, design, develop, and maintain enterprise applications across Java and .NET stacks. The role collaborates with architects, analysts, and project teams to deliver scalable, high-quality solutions that meet business needs.

You will work on modern web services, APIs, and front-end interfaces, support existing .NET applications, and contribute to new Java-based projects.

Qualifications

• Bachelor degree in Computer Science/Engineering or related field.
• Minimum 4 years of OO software development experience.
• Hands-on Java development with Spring Boot and RESTful APIs.
• Proficiency in .NET technologies: C#, ASP.NET MVC, Web API, EF.
• Strong knowledge of web services, APIs, and microservices.
• Experience with front-end tech: HTML5/CSS3/JavaScript and frameworks.
• Familiar with Agile, Scrum, DevOps and CI/CD.
• Exposure to SharePoint or enterprise collaboration is a plus.

Responsibilities

• Collaborate with architects and analysts to align business and technical requirements.
• Develop, enhance and maintain enterprise applications across Java and .NET.
• Build and integrate web services, APIs, modules and UIs.
• Support legacy .NET apps while contributing to new Java projects.
• Participate in sprint planning, code reviews and development meetings.
• Design, execute and document unit and integration tests.
• Prepare technical docs and user guides.
• Ensure timely delivery while maintaining coding standards.
• Provide production support and bug fixes as needed.

Skills

Java Development

.NET Development

Spring Boot

RESTful APIs

JPA/Hibernate

C# / ASP.NET MVC

Web Technologies

Frontend Frameworks

SQL Databases

Unit Testing

Agile & DevOps

CI/CD

Web Security

SharePoint

Education

Bachelor Degree in Computer Science/Engineering or related field

Tools

Bootstrap

Kendo UI

JQuery

Git

Job description

Thatz International Pte Ltd in Singapore seeks an Application Developer (Java & .NET) to analyze, design, develop, and maintain enterprise applications across Java and .NET stacks. The role collaborates with architects, analysts, and project teams to deliver scalable, high-quality solutions that meet business needs.

You will work on modern web services, APIs, and front-end interfaces, support existing .NET applications, and contribute to new Java-based projects.