Senior .NET Full-Stack Architect - AI-Driven Microservices

QUANTUM INFOTECH SOLUTIONS PTE. LTD.; Singapore; On-site; SGD 160,000 - 260,000; Full time

Job summary

QUANTUM INFOTECH SOLUTIONS PTE. LTD. seeks a Senior Full Stack .NET Architect to design, develop, and maintain scalable enterprise applications using React.js, ASP.NET Core, C#, and microservices.

The role focuses on delivering end-to-end solutions, building secure REST APIs, modernizing legacy systems, and mentoring junior developers within cross-functional Agile teams. AI-assisted development, SDD, and TDD are highly valued.

Qualifications

• 12+ years of enterprise app development using the Microsoft stack.
• Experience in financial services, investment platforms, cloud infra, or workflow automation.
• Experience in large Agile development teams.
• Strong analytical, debugging, communication and leadership skills.
• Ability to drive technical solutions from requirements to production.

Responsibilities

• Design, develop, and maintain scalable full‑stack apps using React.js, ASP.NET Core, and C#.
• Build secure RESTful APIs and microservices for enterprise operations.
• Lead architecture discussions, design reviews, and mentor juniors.
• Apply AI-assisted development, Spec-Driven Development (SDD), and TDD.
• Ensure security, reliability, performance, and production support.

Skills

Leadership

Architecture design

Agile methodology

Mentoring

Problem-solving

Communication

Tools

React.js

ASP.NET Core

C#/.NET

Microservices

REST APIs

SQL Server

AWS

Docker

AI-assisted tools

Job description

QUANTUM INFOTECH SOLUTIONS PTE. LTD. seeks a Senior Full Stack .NET Architect to design, develop, and maintain scalable enterprise applications using React.js, ASP.NET Core, C#, and microservices.

The role focuses on delivering end-to-end solutions, building secure REST APIs, modernizing legacy systems, and mentoring junior developers within cross-functional Agile teams. AI-assisted development, SDD, and TDD are highly valued.