Full Stack Developer (.NET)

Flintex Consulting; Singapore; On-site; SGD 70,000 - 110,000; Full time

Job summary

Flintex Consulting in Singapore is seeking a seasoned software engineer to join our delivery team. You will develop, enhance, and maintain applications using .NET Framework / .NET 8 / .NET 9 while collaborating with stakeholders to align technical work with business goals.

Responsibilities include system design, coding, testing, deployment, API integration, and secure coding practices, with emphasis on governance and documentation. A strong security mindset and OO design skills are essential.

Qualifications

• Minimum 3 years of software development experience.
• Strong experience with .NET Framework / .NET 8 / .NET 9.
• Good understanding of RESTful API design, integration, and consumption.
• Knowledge of software governance practices, including coding standards, documentation, and version control.
• Cybersecurity awareness, including secure coding practices, authentication/authorization concepts, and common vulnerabilities.
• Familiarity with OWASP concepts and basic vulnerability mitigation.

Responsibilities

• Develop, enhance, and maintain applications using .NET Framework / .NET 8 / .NET 9.
• Work closely with internal stakeholders to gather requirements, clarify technical needs, and ensure alignment with business objectives.
• Participate in system design, coding, testing, deployment, and documentation.
• Integrate applications with internal and external APIs.
• Ensure all development follows governance, coding standards, and best practices.
• Support troubleshooting, debugging, and resolving vulnerabilities or security issues.
• Collaborate with team members to deliver high‑quality, scalable, and secure solutions.

Skills

3+ years of experience

-.NET Framework / .NET 8 / .NET 9

RESTful API design

governance & coding standards

secure coding practices

OWASP awareness

stakeholder communication

team collaboration

Tools

Flutter

React

Angular

CI/CD pipelines

Azure

Microservices

Job description

Singapore, Singapore | Posted on 09/04/2026

Key Responsibilities

• Develop, enhance, and maintain applications using .NET Framework / .NET 8 / .NET 9.
• Work closely with internal stakeholders to gather requirements, clarify technical needs, and ensure alignment with business objectives.
• Participate in system design, coding, testing, deployment, and documentation.
• Integrate applications with internal and external APIs.
• Ensure all development follows governance, coding standards, and best practices.
• Support troubleshooting, debugging, and resolving vulnerabilities or security issues.
• Collaborate with team members to deliver high‑quality, scalable, and secure solutions.

Mandatory Skills & Requirements

• Minimum 3 years of software development experience.
• Strong experience with .NET Framework / .NET 8 / .NET 9.
• Good understanding of RESTful API design, integration, and consumption.
• Knowledge of software governance practices, including coding standards, documentation, and version control.
• Cybersecurity awareness, including secure coding practices, authentication/authorization concepts, and common vulnerabilities.
• Familiarity with OWASP concepts and basic vulnerability mitigation.

Good-to-Have Skills

• Experience with Flutter (highly preferred; strong plus point).
• Experience with React or Angular.
• Knowledge of CI/CD pipelines and DevOps practices.
• Exposure to cloud platforms (Azure preferred).
• Experience with microservices or event-driven architectures.

Soft Skills

• Able to communicate and liaise effectively with stakeholders from both business and technical teams.
• Strong analytical and problem‑solving abilities.
• Team player with proactive attitude and willingness to learn.