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 to join our dynamic team. You will design, develop, test, and deploy cross‑platform applications, and collaborate with stakeholders to translate requirements into robust software.

The role requires 4–5 years of experience and a strong command of C#, .NET, and front‑end frameworks; Singapore-based, on-site work. You will lead testing efforts to ensure robustness, security, and scalability.

Qualifications

• Work experience 4-5 years in full stack development.
• 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

C#

VB.NET

ASP.NET Framework

NET 6

Webforms

MVC

Web API

Entity Framework

SQL

AI tools

Education

Diploma/Bachelor's degree in computer science or related field

Tools

ReactJS

Flutter

Job description

Full Stack Developer - Flutter or ReactJS + .NET

Posted On 30/10/2026

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

Job Description

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