Full Stack Developer - Flutter or ReactJS + .NET

Flintex Consulting; Singapore; On-site; SGD 90,000 - 130,000; Full time

Job summary

Flintex Consulting in Singapore is seeking a seasoned Full Stack Developer skilled in Flutter or ReactJS plus .NET to join our team. You will design, develop, test, and deploy multi-platform applications across mobile, tablet, and web, integrating APIs and managing databases.

You will lead testing efforts to ensure robustness, security, and performance, collaborate with stakeholders to translate UI/UX into code, and drive best practices, code reviews, and DevOps processes in a fast-paced

Qualifications

• Minimum 5 years working experience in full stack development.
• Diploma/Bachelor's degree in computer science or related field.
• Experience in 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.
• 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.

Skills

C#

VB

ASP.NET

.NET 6

Web API

Entity Framework

SQL Server

AI tools

Azure

DevOps

Education

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

Tools

Azure DevOps

CI/CD pipelines

Job description

Full Stack Developer - Flutter or ReactJS + .NET

Singapore, Singapore | Posted on 08/07/2026

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