Senior Systems Developer: .NET, Flutter & SQL Expert

meiban micro pte ltd; Singapore; On-site; SGD 90,000 - 130,000; Full time

Job summary

Meiban Micro Pte Ltd in Singapore seeks a Senior Software Developer to join our in-house development team. You will build and maintain internal business applications using .NET, Flutter, and SQL databases, collaborating with requirement teams and users to analyze needs and shape practical solutions.

You will then develop, test, and release them for user acceptance testing (UAT), and assist with production support for live applications, including after-hours support when required.

Qualifications

• Degree or Diploma in Computer Science, Information Technology, Software Engineering, or a related field
• At least 5 years of hands-on software development experience
• Has delivered at least a few projects end to end, from requirements analysis through deployment and support
• Experience working with business users or stakeholders to understand their needs and propose solutions

Responsibilities

• Review and understand user requirements prepared by the team
• Analyse requirements for completeness, feasibility, and impact on existing systems
• Raise questions, identify gaps or conflicts, and challenge requirements constructively when needed
• Propose technical solutions, including effort, risks, and trade-offs
• Work with the team to refine and agree on the final solution before development
• Design, develop, and maintain internal applications using .NET (C#) and Flutter
• Design and maintain databases in Microsoft SQL Server and PostgreSQL, including tables, queries, and stored procedures
• Build and integrate RESTful APIs between applications and services
• Write clean, maintainable code following team standards and best practices
• Take part in code reviews and give constructive feedback
• Carry out unit and functional testing before handover
• Prepare release notes describing new features, changes, and fixes
• Deploy and publish releases to the UAT environment
• Support users during UAT, then investigate and resolve reported issues
• Assist with production support, responding to and resolving incidents
• Investigate root causes of production issues and apply fixes to prevent recurrence
• Provide after-hours support when required, including urgent production issues and scheduled maintenance or deployments
• Troubleshoot and fix issues in existing applications
• Improve performance, stability, and usability of current systems
• Maintain technical documentation for applications and databases

Skills

C# & .NET

Flutter

SQL - MS SQL Server & PostgreSQL

RESTful APIs

Git & code reviews

OOP & SOLID

Debug production issues

Education

Degree/Diploma in Computer Science or Information Technology

Tools

Azure DevOps

Docker

GitHub Actions

Azure

AWS

Job description

Meiban Micro Pte Ltd in Singapore seeks a Senior Software Developer to join our in-house development team. You will build and maintain internal business applications using .NET, Flutter, and SQL databases, collaborating with requirement teams and users to analyze needs and shape practical solutions.

You will then develop, test, and release them for user acceptance testing (UAT), and assist with production support for live applications, including after-hours support when required.