Senior .NET Tech Lead — Enterprise App Modernisation

The Edge Contracting Services; Santo Niño 1st; On-site; PHP 5,929,000 - 8,893,000; Full time

Job summary

The Edge Contracting Services in Singapore is seeking a seasoned .NET Senior Software Developer (Tech Lead) to drive design, development, and delivery of enterprise applications.

You will provide technical leadership, guide Scrum teams, review architectures, and mentor engineers to deliver robust software solutions. You will optimise legacy code, ensure quality through unit tests, and collaborate with QA, product, and ops to enable timely releases in a GenAI-enabled SDLC.

Qualifications

• At least 5 years of hands-on experience in C# .NET software development.
• Strong experience in enterprise application development, enhancement, maintenance, and production support.
• At least 4 years of experience in MS SQL Server, including writing, debugging, and optimising SQL queries.
• Exposure to Java-based applications will be advantageous.
• Strong Scrum / Agile delivery experience.
• Prior DevOps exposure across CI/CD, release management, deployment, or production support processes.
• At least 5 years of experience in technical leadership, including solution design, technical decision-making, and delivery ownership.
• More than 3 years of people or team management experience, with teams of at least 5 members.
• Strong architecture and solution design capability.
• Strong problem-solving skills with root cause analysis and sustainable solutions.
• Good ownership mindset, communication skills, and ability to work with technical and non-technical stakeholders.
• Exposure to AI-assisted SDLC / PDLC tools or GenAI-enabled development practices will be an advantage.

Responsibilities

• Lead and support the development, enhancement, and maintenance of enterprise-level applications.
• Provide technical leadership across design, development, code review, troubleshooting, and production support activities.
• Drive Scrum / Agile delivery and work closely with cross-functional teams to ensure timely delivery of enhancements, fixes, and releases.
• Investigate and resolve software defects across existing C# .NET, MS SQL, and Java-based applications.
• Perform detailed root cause analysis for reported issues and propose sustainable technical solutions.
• Review application architecture, identify areas for improvement, and recommend design enhancements for scalability, performance, and maintainability.
• Optimise and refactor legacy code to improve system performance, reliability, and maintainability.
• Collaborate with QA, business users, and technical teams to reproduce bugs, validate fixes, and support regression testing.
• Write and maintain unit tests and regression tests using frameworks such as MSTest, NUnit, or xUnit.
• Review logs, metrics, and system behaviour to diagnose issues and recommend improvements.
• Guide and mentor team members, ensuring good engineering practices, coding standards, and delivery discipline.
• Document technical resolutions, design decisions, and system updates in internal knowledge bases.
• Support DevOps practices across build, deployment, release, and operational support activities.
• Explore and apply AI-assisted SDLC / PDLC tools where relevant to improve development productivity and delivery quality.

Skills

C# .NET

Technical leadership

Scrum/Agile

DevOps

GenAI

Tools

MS SQL Server

MSTest

NUnit

xUnit

CI/CD

Git

Job description

The Edge Contracting Services in Singapore is seeking a seasoned .NET Senior Software Developer (Tech Lead) to drive design, development, and delivery of enterprise applications.

You will provide technical leadership, guide Scrum teams, review architectures, and mentor engineers to deliver robust software solutions. You will optimise legacy code, ensure quality through unit tests, and collaborate with QA, product, and ops to enable timely releases in a GenAI-enabled SDLC.