Senior .NET Modernization Engineer

PERSOL SINGAPORE PTE. LTD.; Singapore; On-site; SGD 80,000 - 120,000; Full time

Job summary

A leading tech consultancy in Singapore is seeking a dynamic technical leader to modernize web applications and drive migration to .NET 8/9. The role requires strong leadership and technical expertise in microservices, Azure, and containerization. Successful candidates will manage junior developers and optimize SQL Server databases, all while innovating and improving systems for impactful transformation.

Qualifications

• Proven experience in .NET development and modernization projects.
• Strong knowledge of microservices architecture and cloud platforms.
• Expertise in containerization and CI/CD automation.
• Solid understanding of SQL Server optimization.
• Leadership experience with small to mid-sized development teams.

Responsibilities

• Drive migration from .NET Framework 4.8 to .NET 8/9.
• Design and implement microservices, RESTful APIs, and containerized applications.
• Optimize solutions on Azure (AKS, APIM, Azure SQL).
• Contribute to coding, testing, and deployment of high-performance applications.
• Mentor and manage a junior software developer.

Skills

Leadership

Microservices architecture

Azure

Docker

Kubernetes

.NET development

SQL Server optimization

CI/CD automation

Job description

We’re looking for a dynamic and hands-on technical leader to spearhead the modernization of our mission-critical web applications. This role combines deep technical expertise with leadership responsibilities—perfect for someone who thrives on solving complex challenges, mentoring developers, and driving impactful transformation.

• Drive migration from .NET Framework 4.8 to .NET 8/9, leveraging microservices architecture and cloud-native design.
• Design and implement microservices, RESTful APIs, and containerized applications using Docker and Kubernetes.
• Build and optimize solutions on Azure (AKS, APIM, Azure SQL).
• Actively contribute to coding, testing, and deployment of high-performance applications.
• Architect and fine-tune SQL Server databases, queries, and stored procedures.
• Integrate AI tools into the development lifecycle for smarter, faster delivery.
• Mentor and manage a junior software developer, ensuring timely delivery and removing blockers.

Required prior experience and skills:

• Proven experience in .NET development and modernization projects. Experience of migration from .NET Framework 4.8 to .NET 8/9
• Strong knowledge of microservices architecture and cloud platforms (Azure preferred).
• Expertise in containerization and CI/CD automation.
• Solid understanding of SQL Server optimization.
• Leadership experience with small to mid-sized development teams.
• Passion for innovation, continuous improvement, and delivering world-class systems.