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

re-zoo-me; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

re-zoo-me in Singapore is seeking a seasoned Software Engineer (Full Stack) to join our team. The role requires hands-on experience across frontend and backend, with a focus on .NET Core, Java, and modern microservices.

You will design, implement, and maintain microservices, optimize data access with EF, and leverage Docker and AWS for scalable deployments. Collaboration with UX/UI and QA is essential for delivering robust solutions.

Qualifications

• 5+ years of hands-on full-stack experience.
• Proficient in .NET Core stack, C#, and Java.
• Experience building microservices and event-driven patterns.
• EF for database management experience.
• Docker/containerization knowledge.
• DDD principles applied in backend development.
• OAuth authentication/authorization experience.
• AWS services (S3, Lambda, API Gateway, RDS) experience.
• Frontend tech: HTML, CSS, JavaScript, ASP.NET WebForms.
• Unit tests and design systems with Storybook.
• Experience with legacy .NET Framework 4.x migrations.
• Oracle DB experience and SQL optimization.
• IIS/Windows Server deployment/config transforms.
• Quarkus for cloud-native microservices.

Responsibilities

• Design, develop, and maintain microservices architecture using .NET Core and Java.
• Implement event-driven communication between microservices.
• Utilize EF for efficient database interactions and management.
• Containerize applications using Docker for scalability and deployment flexibility.
• Apply DDD principles to ensure clean, modular code architecture.
• Implement OAuth for secure authentication and authorization.
• Develop and enforce security best practices across the stack.
• Utilize AWS services for backend development and hosting.
• Develop RESTful API endpoints for frontend-backend communication.
• Apply Spec Driven Development (SDD) concepts with Claude AI technologies.
• Support and migrate legacy .NET Framework apps as appropriate.
• Manage hosting and deployment on IIS/Windows Server with config transforms.

Skills

NET Core

C#

Java

Microservices

Docker

DDD

OAuth

AWS

EF

WebForms

REST APIs

Unit Testing

Storybook

OpenTelemetry

Oracle DB

IIS

Tools

Docker

AWS

OpenTelemetry

Quarkus

Oracle DB

IIS/Windows Server

Node.js

Job description

re-zoo-me in Singapore is seeking a seasoned Software Engineer (Full Stack) to join our team. The role requires hands-on experience across frontend and backend, with a focus on .NET Core, Java, and modern microservices.

You will design, implement, and maintain microservices, optimize data access with EF, and leverage Docker and AWS for scalable deployments. Collaboration with UX/UI and QA is essential for delivering robust solutions.