Java & .NET Application Developer — 3-Year Contract

Thatz International; High Street; On-site; GBP 52,000 - 82,000; Part time

Job summary

Thatz International Pte Ltd is seeking an Application Developer (Java & .NET) to analyze, design, develop, and maintain enterprise applications across Java and Microsoft .NET stacks. The role involves supporting existing .NET applications while contributing to new Java-based projects, collaborating with architects, analysts, and project teams to deliver scalable, high-quality solutions.

The candidate will work on web services, APIs, and interfaces using modern web technologies, with emphasis on

Qualifications

• Bachelor degree in CS/Engineering/IT or related field from a recognized university.
• Minimum 4 years of software development experience in OO programming.
• Hands-on Java development with Spring Boot, RESTful APIs, JPA/Hibernate.
• Experience with .NET stack: C#, ASP.NET MVC, Web API, Entity Framework, WCF.

Responsibilities

• Analyze, design, develop, enhance, and maintain enterprise apps across Java and .NET stacks.
• Support existing .NET applications while contributing to new Java-based projects.
• Work with architects, analysts and project teams to deliver scalable applications.
• Build and integrate web services, APIs, modules, and user interfaces using modern web technologies.
• Participate in sprint planning, design reviews and development meetings.
• Design, execute and document unit and integration tests.

Skills

Java

Spring Boot

REST APIs

JPA/Hibernate

C#

ASP.NET MVC

Web API

Entity Framework

WCF

JavaScript

Angular

React

HTML5

CSS3

SQL

Unit testing

Agile/Scrum

DevOps

CI/CD

Security

SharePoint

Education

Bachelor Degree in Computer Science/Engineering/IT (recognized university)

Tools

Bootstrap

Kendo UI

SharePoint

Job description

Thatz International Pte Ltd is seeking an Application Developer (Java & .NET) to analyze, design, develop, and maintain enterprise applications across Java and Microsoft .NET stacks. The role involves supporting existing .NET applications while contributing to new Java-based projects, collaborating with architects, analysts, and project teams to deliver scalable, high-quality solutions.

The candidate will work on web services, APIs, and interfaces using modern web technologies, with emphasis on