Senior NodeJS Microservice Engineer - AWS Serverless

Mandai Wildlife Group; Singapore; On-site; SGD 90,000 - 130,000; Full time

Job summary

Mandai Wildlife Group in Singapore is seeking a NodeJS Microservice Developer to build and maintain our AWS serverless platform. With 3–5 years of hands-on experience in microservice development, you will design, deploy, and optimize services that power our digital experiences for visitors and partners alike.

You will collaborate with Product, Scrum, and engineering teams to deliver features, ensure reliability, and drive performance across the stack.

Qualifications

• Minimum Diploma in Computer Science, Information Technology, or a related subject, or equivalent professional experience.
• 3-5 years of hands-on experience in microservice development using NodeJS and AWS technologies.
• Strong understanding of the general cloud landscape, architecture, trends, and emerging technologies.
• Proficient understanding of code versioning tools, such as Git.
• Experience with RESTful APIs to connect microservices to back-end systems and services.
• Solid understanding of the full microservice development lifecycle.
• Hands-on experience with AI tools and services — AI coding assistants, LLM APIs, or AWS AI/ML services — and applying them in day-to-day development work.
• AWS Certification will be preferred.
• Excellent problem-solving skills and the ability to think critically and offer solutions.
• Strong communication and teamwork skills, with the ability to work independently.

Responsibilities

• Design, develop, and maintain high-performance microservices using NodeJS and AWS serverless technologies (EKS, Lambda, API Gateway, DynamoDB, S3).
• Collaborate with cross-functional teams (Product owner, Scrum Master, BA and developers) to define, design, and implement new features.
• Ensure code quality, organization, and automation through best practices and code reviews.
• Optimize microservices for maximum speed and scalability while ensuring application responsiveness and reliability.
• Stay up to date with emerging trends in microservice development and AWS serverless technologies, integrating these findings into projects to enhance user experience and functionality.
• Monitor, troubleshoot, and debug services in production to optimise performance and resolve application issues.
• Own the entire application lifecycle, from coding and debugging through deployment, ongoing maintenance, and production support.
• Keep services current and secure by patching dependencies, upgrading runtimes, and reducing technical debt.
• Maintain technical documentation, runbooks, and operational handover material for the services you own.

Skills

NodeJS

AWS

RESTful APIs

Git

AI tools

Agile

Teamwork

Problem solving

Communication

Education

Diploma in Computer Science / IT

Tools

AWS Lambda

API Gateway

DynamoDB

S3

EKS

Job description

Mandai Wildlife Group in Singapore is seeking a NodeJS Microservice Developer to build and maintain our AWS serverless platform. With 3–5 years of hands-on experience in microservice development, you will design, deploy, and optimize services that power our digital experiences for visitors and partners alike.

You will collaborate with Product, Scrum, and engineering teams to deliver features, ensure reliability, and drive performance across the stack.