Senior .NET Core Full-Stack Engineer | Microservices & AWS

USER EXPERIENCE RESEARCHERS PTE. LTD.; Singapore; On-site; SGD 90,000 - 150,000; Full time

Job summary

User Experience Researchers PTE. LTD. is seeking a capable Full Stack .NET Core Developer to design and build scalable backend services and intuitive frontend interfaces using React and Next.js.

You will work across the stack, implementing microservices, EF, Docker, and AWS, collaborating with UX/UI designers to deliver secure, high-performance applications. The role emphasizes modern architecture (DDD, OAuth, REST APIs), rigorous testing with Jest, and a focus on reliability and security.

Qualifications

• Proven experience as a Full Stack .NET Core Developer or in a similar role.
• Strong proficiency in .NET Core, .NET 8, C#, and related backend technologies.
• Experience building microservices architecture and implementing event-driven design patterns.
• Proficiency in Entity Framework (EF) for database management.
• Familiarity with Docker and containerization principles.
• Knowledge of Domain-Driven Design (DDD) principles and their application in backend development.
• Experience implementing OAuth for authentication and authorization.
• Understanding of security best practices and their application in backend development.
• Hands-on experience with AWS services such as S3, Lambda, API Gateway, DynamoDB, and other relevant services.
• Proficiency in frontend technologies such as React.js, Next.js, HTML, CSS, and JavaScript.
• Experience writing unit tests using Jest and maintaining a design system with Storybook.
• Strong problem-solving skills and attention to detail.
• Excellent communication and collaboration skills.

Responsibilities

• Design, develop, and maintain microservices architecture using .NET Core and .NET 8.
• Implement event-driven communication between microservices.
• Utilize Entity Framework (EF) for efficient database interactions and management.
• Containerize applications using Docker for scalability and deployment flexibility.
• Apply Domain-Driven Design (DDD) principles to ensure clean and modular code architecture.
• Implement OAuth for secure authentication and authorization.
• Develop and enforce security best practices to safeguard sensitive data and systems.
• Utilize AWS services such as S3, Lambda, API Gateway, DynamoDB, and other relevant services for backend development.
• Develop RESTful API endpoints to facilitate communication between the frontend and backend.
• Develop frontend applications using React.js and Next.js.
• Write unit tests using Jest to ensure code quality.
• Create reusable UI components and maintain a design system with Storybook.
• Collaborate closely with UX/UI designers to implement intuitive and visually appealing interfaces.
• Troubleshoot and debug issues across the stack, ensuring smooth application operation.
• Optimize application performance and scalability for a seamless user experience.

Skills

Full stack dev

Problem solving

Communication

Collaboration

Tools

.NET Core

.NET 8

C#

EF Core

Docker

DDD

OAuth

AWS

S3

Lambda

API Gateway

DynamoDB

React

Next.js

HTML

CSS

JavaScript

Jest

Storybook

Job description

User Experience Researchers PTE. LTD. is seeking a capable Full Stack .NET Core Developer to design and build scalable backend services and intuitive frontend interfaces using React and Next.js.

You will work across the stack, implementing microservices, EF, Docker, and AWS, collaborating with UX/UI designers to deliver secure, high-performance applications. The role emphasizes modern architecture (DDD, OAuth, REST APIs), rigorous testing with Jest, and a focus on reliability and security.