Application Developer (Java & .NET)

Thatz International; High Street; On-site; GBP 35,000 - 58,000; Full time

Job summary

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

You will collaborate with architects and project teams to deliver scalable, high-quality solutions, providing support for legacy apps while developing new Java-based projects.

Qualifications

• Bachelor degree in CS/Engineering or related field.
• 4+ years of OO software development experience.
• Hands-on Java with Spring Boot and RESTful APIs.
• Experience with .NET stack: C#, ASP.NET MVC, Web API & EF.
• Experience maintaining existing enterprise apps and building new ones.

Responsibilities

• Collaborate with architects and stakeholders to align requirements with technical solutions.
• Analyze, design, and implement features across Java and .NET stacks.
• Develop, enhance, and maintain enterprise applications.
• Build web services, APIs, and UI components using modern web tech.
• Support legacy .NET apps while contributing to new Java projects.
• Participate in agile ceremonies and code reviews.
• Perform unit and integration testing and document results.
• Create technical docs and training materials.
• Ensure timely delivery and coding standards.
• Provide production support and bug fixes.
• Handle other related tasks as needed.

Skills

Java development

.NET development

RESTful APIs

Front-end development

Unit testing

Agile methodologies

CI/CD

Secure coding

Web services/microservices

Education

Bachelor Degree in Computer Science/Engineering/IT

Tools

Spring Boot

Spring Framework

JPA/Hibernate

ASP.NET MVC

Web API

Entity Framework

WCF

Bootstrap

Kendo UI

Angular/React/Vue

SQL

Job description

Join Our Team at Thatz International Pte Ltd

Are you ready to embrace the new opportunities in the ever-evolving landscape of technology? At Thatz International Pte Ltd,we are committed to identifying exceptional talents to drive the growth of our Next-Generation digital solutions and services in the new norm. If you're passionate about leveraging technology to make a difference, we want to hear from you!

Core Values

• Integrity
• System
• Consistency
• Forward Looking
• Humanity, and
• Environmental Friendly

Application Developer (Java & .NET)

Work Location: Central,Singapore

Job Type: 3 Years Contract,subject to renewal

About the Role

The Application Developer will be responsible for analyzing, designing,developing, enhancing, and maintaining enterprise applications across both Java and Microsoft .NET technology stacks. The role involves supporting existing business critical .NET applications while contributing to the development of new solutions built on Java technologies. The successful candidate will work closely with architects, analysts, and project teams to deliver scalable, high quality applications aligned with business and technical requirements.

Primary Responsibilities

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

Job Requirements

• A 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 technologies such as Spring Boot, Spring Framework, RESTful APIs, JPA/Hibernate, or similar enterprise frameworks.
• Experience working with Microsoft .NET technologies including C#, ASP.NET MVC, Web API, Entity Framework, WCF, or related technologies.
• Experience supporting and enhancing existing .NET based enterprise applications.
• Strong understanding of web services, API integration, and microservices architecture.
• 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.
• Familiarity with Agile, Scrum, DevOps, CI/CD, and software development best practices.
• Understanding of application security, web security principles, and secure coding practices.
• Exposure to SharePoint customization or enterprise collaboration platforms will be an advantage.
• Experience working in environments involving both legacy modernization and new application development will be highly preferred.

Shortlisted candidates will be contacted.

Equal Opportunity Employer

We are committed to fair employment practices and consider all applications based on merit. We encourage diversity and do not discriminate based on race, religion, gender, or any other characteristic.

Data Protection

Your privacy matters to us. By applying to this job advertisement, you consent to the collection, usage, and/or disclosure of your personal data in compliance with the Personal Data Protection Act.

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