Senior Software Developer (.Net) - Tech Lead

THE EDGE CONTRACTING SERVICES PTE. LTD.; Singapore; On-site; SGD 120,000 - 180,000; Full time

Benefits offered by this job

GenAI initiatives

Career growth

Central Singapore location

Job summary

The Edge Contracting Services Pte. Ltd. in Singapore is seeking a .NET Senior Software Developer / Tech Lead to modernise enterprise applications, refactor legacy code, and explore GenAI-powered development.

You will lead design, coding, and Scrum delivery across cross‑functional teams, optimise performance, mentor peers, and drive DevOps practices with strong C#/.NET expertise.

Qualifications

• 5+ years hands-on C# .NET development.
• Experience in enterprise application development and production support.
• 4+ years MS SQL Server experience (writing and optimisation).
• Exposure to Java-based apps is a plus.
• Strong Scrum/Agile delivery experience.
• DevOps exposure across CI/CD, release management, deployment.
• 5+ years in technical leadership with delivery ownership.
• 3+ years in people or team management (min 5 members).
• Good architecture, design, and problem-solving skills.
• Ability to communicate with technical and non-technical stakeholders.

Responsibilities

• Lead and support development, enhancements, and maintenance of enterprise apps.
• Provide technical leadership across design, code review, debugging, and production support.
• Drive Scrum/Agile delivery with cross-functional teams for timely releases.
• Investigate and resolve defects in C# .NET, MS SQL, and Java-based apps.
• Conduct root cause analysis and propose sustainable solutions.
• Review architecture and recommend scalability and performance improvements.
• Refactor legacy code to boost reliability and maintainability.
• Collaborate with QA and business users to reproduce bugs and validate fixes.
• Write and maintain unit/regression tests (MSTest/NUnit/xUnit).
• Review logs and metrics to diagnose issues and guide improvements.
• Mentor team members, promote engineering best practices, and ensure delivery discipline.
• Document technical decisions and system updates in internal KBs.
• Support DevOps across build, deployment, and operations.
• Explore AI-assisted SDLC/PDLC tools to improve productivity.

Skills

C# .NET development

Technical leadership

Scrum / Agile delivery

DevOps exposure

Root cause analysis

Architecture & design

Mentoring / team leadership

Stakeholder communication

Tools

MS SQL Server

MSTest

NUnit

xUnit

CI/CD tooling

Job description

.Net Senior Software Developer (Tech Lead) - Singapore

We are looking for an experienced .NET Senior Software Developer / Tech Lead to join a team focused on modernising enterprise-level applications, refactoring legacy systems, and leveraging GenAI technologies to enhance the software development lifecycle.

This is a strong opportunity for someone with solid hands‑on C# .NET development experience, technical leadership capability, and experience leading Scrum delivery within an enterprise application environment.

What’s in it for you

• Exposure to enterprise level systems and large scale digital transformation projects
• Opportunity to modernise and revamp core applications
• Exposure to GenAI-enabled software development initiatives
• Career progression opportunities
• Central Singapore location

Key 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.

Requirements:

• 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 experience managing teams of at least 5 members.
• Strong architecture and solution design capability.
• Strong problem‑solving skills with the ability to perform root cause analysis and propose 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.