Full Stack Developer - Flutter or ReactJS + .NET

Flintex Consulting Pte Ltd; Singapore; On-site; SGD 84,000 - 95,000; Full time

Job summary

Flintex Consulting Pte Ltd in Singapore is seeking a Full Stack Developer with Flutter or ReactJS plus .NET experience. The role involves front-end and back-end development, API integration, and database management, plus leading application testing to ensure robustness, security, and scalability.

The ideal candidate will have strong experience across front-end and back-end development, be hands-on with API integration, and drive testing initiatives in a collaborative environment.

Qualifications

• Minimum Working Experience: 5 years
• Diploma/Bachelor's degree in computer science or related field
• Operations and maintenance for a mixture of vendors and in-house products

Responsibilities

• Collaborate with stakeholders to analyze software specifications and UI/UX mockups to ensure alignment with business requirements.
• Develop, test, and deploy responsive, multi-platform applications (mobile, tablet, and web).
• Ensure applications are optimized for performance, scalability, and security.
• Maintain a clean and scalable codebase while following best practices in software development.
• Troubleshoot and debug applications to enhance functionality and user experience.

Skills

React

Flutter

.NET

C#

SQL

Education

Diploma/Bachelor's degree in computer science

Tools

Azure

SQL Server

Entity Framework

ASP.NET

MVC

Job description

Full Stack Developer - Flutter or ReactJS + .NET

Posted On 18/09/2026

Job Information

Work Experience 4-5 years

Technology

SGD 7500 - SGD 8500

City Singapore

State/Province Central Singapore

079903

Job Description

FE: React, flutter

BE: C# .NET

This role requires a strong understanding of front-end and back-end development, API integration, and database management. Additionally, you will be leading the application testing efforts to ensure robustness, security, and scalability.

Key Responsibilities:

• Collaborate with stakeholders to analyze software specifications and UI/UX mockups to ensure alignment with business requirements.
• Develop, test, and deploy responsive, multi-platform applications (mobile, tablet, and web).
• Ensure applications are optimized for performance, scalability, and security.
• Maintain a clean and scalable codebase while following best practices in software development.
• Troubleshoot and debug applications to enhance functionality and user experience.

Front-End Development:

• Develop user-friendly and responsive front-end interfaces using modern frameworks
• Ensure seamless cross-platform functionality and a consistent UI/UX experience.
• Optimize front-end applications for speed and performance.

Back-End Development:

• Build and maintain APIs and backend services
• Develop and manage database structures Implement authentication, authorization, and data security measures.

Testing & Quality Assurance:

• Lead the testing efforts, including unit testing, integration testing, and end-to-end testing.
• Work closely with QA teams to identify and resolve software defects.
• Implement automated testing frameworks to enhance code reliability.
• Work closely with other developers to ensure timely and efficient development.
• Participate in code reviews and contribute to continuous improvement initiatives.

Qualifications & Experience:

• Minimum Working Experience: 5 years
• Diploma/Bachelor's degree in computer science or any other related field
• Operations and maintenance for a mixture of vendors and in-house products

Must have experience in following domain area/ technology/ programming languages:

• Any 3 or more of the following: C#, VB. ASP.NET Framework, .NET 6, Webform, MVC, Web API, Entity Framework
• Strong in SQL with experience in Microsoft SQL Server
• Experience in AI, understand how to use AI tools

Good to have experience in the following:

• Maintenance and support OT and IT systems.
• Historian and/or plant system architecture.
• Strong background in IT processes and structure.
• Azure Web App, Azure Storage, Container Registry and/or Azure Key Vault, Azure API Management. Knowledge & experience in AKS will be an added advantage.
• Knowledge of Azure Logic App, Azure API Management, Azure Service Bus will be an added advantage.
• DevOps, CI/CD Pipeline and/or DevOps tool chains
• APP Store publish
• Source control, coding standards, app management and deployment
• Familiar with current UX trends on web applications
• Certified in Microsoft technologies will be added advantage
• Experience in high traffic application development