Java & .NET Enterprise Developer

THATZ INTERNATIONAL PTE LTD; Singapore; On-site; SGD 80,000 - 120,000; Full time

Job summary

Thatz International Pte Ltd is seeking an Application Developer (Java & .NET) to analyze, design, develop, enhance and maintain enterprise applications across Java and Microsoft .NET stacks in Singapore.

You will collaborate with architects, analysts and project teams to deliver scalable, high-quality solutions, build APIs and web services, support legacy .NET apps, and contribute to new Java-based projects using modern frameworks.

Qualifications

• Bachelor Degree in Computer Science/Engineering, Science, IT, Engineering or related field from a recognized university.
• Minimum 4 years of software development experience in object oriented programming.
• Hands on experience in Java application development using Spring Boot, Spring Framework, RESTful APIs, JPA/Hibernate, or similar enterprise frameworks.
• Experience with Microsoft .NET technologies including C#, ASP.NET MVC, Web API, Entity Framework, WCF, or related technologies.
• Experience with front end technologies such as HTML5, CSS3, JavaScript, jQuery, AngularJS, Angular, React, or similar frameworks.
• Experience with UI frameworks such as Bootstrap, Kendo UI, or equivalent component libraries.
• Experience with relational databases including schema design, SQL development, stored procedures, and performance tuning.
• Experience in unit testing and automated testing practices.
• Experience with Agile, Scrum, DevOps, CI/CD, and software development best practices.

Responsibilities

• Work closely with architects, analysts, and stakeholders to ensure alignment between business requirements and technical solutions.
• Participate in the analysis, design, development, and implementation of new application features and components.
• Develop, enhance, and maintain enterprise applications across Java and .NET platforms.
• Build and integrate web services, APIs, modules, and user interfaces using modern web technologies.
• Support and enhance existing legacy .NET applications while contributing to new Java based projects.
• Participate actively in project discussions, sprint planning, technical reviews, and development meetings.
• Design, execute, and document unit, integration, and system testing activities to ensure application quality.
• Prepare and maintain technical documentation, user guides, and training materials.
• Ensure timely delivery of solutions while maintaining coding standards and best practices.
• Perform application troubleshooting, bug fixing, and production support when required.
• Perform other related tasks as when required.

Skills

Java

Spring Boot

RESTful APIs

JPA/Hibernate

Spring Framework

C#

ASP.NET MVC

Web API

Entity Framework

WCF

Front-end JS

Angular

React

HTML5/CSS3

SQL/Stored Procedures

Unit/Automated Testing

Agile/Scrum/DevOps

Education

Bachelor's Degree in Computer Science/Engineering

Job description

Thatz International Pte Ltd is seeking an Application Developer (Java & .NET) to analyze, design, develop, enhance and maintain enterprise applications across Java and Microsoft .NET stacks in Singapore.

You will collaborate with architects, analysts and project teams to deliver scalable, high-quality solutions, build APIs and web services, support legacy .NET apps, and contribute to new Java-based projects using modern frameworks.