Senior .NET Application Developer & Technical Team Lead #IJO

Recruit Express Pte Ltd.; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

Recruit Express Pte Ltd. is seeking a Senior .NET Application Developer & Technical Team Lead in Singapore. You will lead modernization efforts, serve as the technical authority on .NET, and architect robust SQL Server solutions while guiding a development team.

You will work with ASP.NET, MVC, Web API and Azure, driving performance, security, and scalable software delivery. You will mentor engineers and shape tech strategy across projects.

Qualifications

• Degree in IT, Computer Science, or related field.
• 5+ years' hands-on experience in .NET application development and maintenance.
• Solid expertise in .NET coding (4.8 and core).
• Experience with ASP.NET, MVC, Web API, JavaScript, HTML5, CSS, and related technologies.
• Deep expertise in SQL Server and stored procedures (mandatory).
• Strong troubleshooting, problem-solving, and 360-degree thinking skills.
• Proven ability to lead, guide, and develop technical teams.
• Experience in Azure development environments.
• Microsoft/Azure certifications.
• Experience with AI technologies, cloud security, and automated testing.

Responsibilities

• Lead Modernisation: evolve applications from .NET Framework to latest .NET releases.
• Act as Technical Authority for .NET technologies.
• Architect and optimise SQL Server databases and stored procedures.
• Oversee full software lifecycle: requirements, design, coding, testing, deployment, support.
• Build and mentor a high-performing development team.
• Collaborate with external systems integrations and deliver business value.

Skills

ASP.NET & MVC

Web API

JavaScript

Azure cloud

SQL Server

OOP & architecture

Team leadership

Agile practices

Education

Bachelor's degree in IT/CS or related field

Tools

Azure DevOps

Visual Studio

Job description

Senior .NET Application Developer & Technical Team Lead #IJO

Singapore | Posted: Aug 24, 2026

Location: Tai Seng

Key Responsibilities

• Lead Modernisation: Strategically plan and execute the evolution of our applications from legacy .NET Framework to the latest .NET releases, ensuring our technology remains cutting-edge.
• Be the Technical Authority: Champion deep, hands-on expertise in both classic and modern .NET technologies, setting the bar for technical excellence and innovation.
• Solid .NET Coding: Demonstrate outstanding .NET coding skills (4.8 and core) - mandatory.
• Master SQL Server: Own all aspects of SQL Server - designing and optimising stored procedures, managing databases, driving performance, ensuring security, and enforcing best practices.
• Troubleshooting & Problem Solving: Tackle complex technical challenges with a 360-degree perspective, delivering robust solutions and continuous improvements.
• Performance & Security: Drive application performance, optimisation, and security management, ensuring our solutions are resilient and future-proof.
• Grow into Leadership: Seize the opportunity to expand your influence, progressing towards broader technology leadership roles as you demonstrate vision and capability.
• Build an Invincible Team: Develop, mentor, and inspire a high-performing development team, leveraging your strong people management skills to foster resilience and collective success.
• Innovate with AI & Azure: Gain exposure to AI technologies and work extensively within the Azure development environment, driving innovation and staying ahead of the curve.
• Lead, mentor, and inspire a team of developers as the .NET and SQL technical expert.
• Design, develop, and maintain robust web applications and portals using .NET (Framework/Core), C#, and SQL Server.
• Architect and optimise SQL Server databases and stored procedures (mandatory).
• Oversee the full software lifecycle: requirements, design, coding, testing, deployment, and ongoing support.
• Collaborate cross-functionally to integrate with external systems and deliver business value.
• Champion best practices, code quality, and continuous improvement.
• Other ad hoc duties as assigned.

Requirements

• Degree in IT, Computer Science, or related field.
• 5+ years' hands-on experience in .NET application development and maintenance.
• Solid expertise in .NET coding (4.8 mandatory and core).
• Experience with ASP.NET, MVC, Web API, JavaScript, HTML5, CSS, and related technologies.
• Deep expertise in SQL Server and stored procedures (mandatory).
• Strong troubleshooting, problem-solving, and 360-degree thinking skills.
• Demonstrated experience in application performance, optimisation, and security management.
• Proven ability to lead, guide, and develop technical teams.
• Strong grasp of OOP, n-tier architecture, and agile methodologies.
• Experience in Azure development environments.
• Microsoft/Azure certifications.
• Experience with AI technologies, cloud security, and automated testing.