.NET Lead Engineer

RECRUIT EXPRESS PTE LTD; Serangoon Garden Circus; On-site; SGD 80,000 - 110,000; Full time

Job summary

A premier technology recruitment firm in Singapore is looking for an experienced .NET Developer to lead modernization efforts from legacy applications to the latest .NET versions. Candidates should have substantial experience in .NET development, with a focus on cloud-native solutions in Azure. The role includes mentoring a team, driving project timelines, and ensuring application performance and security. This position offers an opportunity to grow into leadership roles while remaining hands-on in development tasks.

Qualifications

• 8+ years .NET development including .NET Framework and .NET Core/6/8.
• 3+ years leading modernization or migration projects.
• Experience with microservices architecture and Azure production.

Responsibilities

• Lead the modernization from .NET 4.8 to .NET 8.
• Design cloud-native solutions on Azure.
• Architect and develop microservices and RESTful APIs.

Skills

.NET 8

C#

ASP.NET Core Web API

Microservices patterns

RESTful API design

Azure DevOps

CI/CD pipelines

Docker

Kubernetes

SOLID principles

Tools

SQL Server

AI technologies

Job description

Key Responsibilities & Aspirations

• 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 a strong Team: Develop, mentor, and inspire a high‑performing development team, leveraging your strong people‑management skills to foster resilience and collective success.
• Excel in Agile & Communication: Bring a positive and proven experience in agile/project management, with outstanding communication skills that unite teams and stakeholders.
• Thrive Under Pressure: Well‑rounded technology professionals with a can‑do attitude – to look beyond the present, embrace challenges, and pursue excellence, in demanding circumstances.
• Innovate with AI & Azure: Drive usage of AI technologies and work extensively within the Azure development environment.

Technical Leadership

• Lead .NET 4.8 → .NET 8 modernization with microservices architecture.
• Design cloud‑native solutions on Azure (AKS, APIM, Azure SQL).
• Design, develop, and maintain robust web applications and portals.
• Establish quality standards (>70% test coverage, code review, documentation).
• Champion best practices, code quality, and continuous improvement.

Hands‑On Development

• Architect and develop .NET 8 microservices and RESTful APIs.
• Implement testing frameworks and CI/CD automation.
• Architect and optimise SQL Server databases, queries and stored procedures.
• Containerize applications (Docker, Kubernetes).
• Plan, implement and use AI tools in the development process.

Team & Execution

• Mentor & manage 3‑5 developers.
• Drive project delivery on a fixed timeline with clear milestones.
• Communicate with stakeholders.

Essential

• 8+ years .NET development (.NET Framework & Core/6/8).
• 3+ years leading modernization/migration projects.
• Proven .NET 4.8 → .NET Core/8/9 migrations.
• Microservices architecture experience.
• Azure production experience (App Service, Azure SQL, AKS preferred).
• Team leadership (3‑5 developers minimum).
• SQL Server expertise (optimization, migration).

Technical Skills

• .NET 8 (or .NET 9), C#, ASP.NET Core Web API.
• Microservices patterns, RESTful API design.
• Testing (xUnit/NUnit), >70% coverage experience.
• Azure DevOps, CI/CD pipelines.
• Docker & Kubernetes basics.
• SOLID principles, design patterns.

Good to have

• Architect who codes (hands‑on).
• Migration expert (2+ successful projects).
• Quality focused (testing, documentation, best practices).
• Team builder (mentors naturally).
• Execution driven (delivers on time).
• Clear communicator (technical & non‑technical).
• Large database migrations (>1TB).
• Strangler pattern implementation.
• Leverage AI technologies (GitHub Copilot etc.).

Interested applicants please send your resume to [e-mail]

Venessa Goh Wee Ni

R24124686

Recruit Express Pte Ltd

EA License No: 99C4599

We regret that only shortlisted candidates will be contacted.