Full-Stack Engineer: Build AI-Driven SaaS at Scale

MerchantSpring; Kuala Lumpur; On-site; MYR 100,000 - 180,000; Full time

Job summary

MerchantSpring in Kuala Lumpur is seeking a Full-Stack Engineer to own features across a React frontend and Node.js/TypeScript backend, shipping end‑to‑end with large volumes of marketplace data.

You'll join one of our focused squads — AI, ETL, or API — in a cloud‑native, AI‑native environment, collaborating with product, QA, and fellow engineers to deliver high‑quality features that power reporting for 120+ channels.

Qualifications

• Bachelor's Degree in Computer Science, Engineering, or a related field (or equivalent experience).
• 3–6 years building full-stack or backend applications in production.
• Strong experience with Node.js and TypeScript.
• Solid experience building single-page applications with React.
• Proficient in SQL with hands-on PostgreSQL experience; comfortable with MongoDB.
• Comfortable building and consuming REST APIs.
• Experience deploying to and troubleshooting on AWS, including reading CloudWatch logs.
• Strong problem-solving skills and a habit of writing clean, testable, maintainable code.
• Excellent written and verbal communication, and the ability to collaborate across product, QA, and engineering.
• Ability to leverage AI coding assistants to boost productivity.

Responsibilities

• Develop and maintain full-stack features across a React frontend and Node.js/TypeScript backend.
• Design and build scalable APIs and services, including work in our GraphQL data layer.
• Write clean, efficient, and well-tested code in TypeScript.
• Work across the data layer — PostgreSQL/TimescaleDB and MongoDB — to model, query, and optimise platform data.
• Integrate with third-party marketplace APIs (Amazon SP API, Data Kiosk, Walmart, and 120+ channels) to power reporting and analytics.
• Deploy, monitor, and troubleshoot services on AWS, using CloudWatch to diagnose issues.
• Collaborate with product, QA, and fellow engineers to deliver high-quality features and drive continuous improvement.
• Keep raising the bar on tooling, practices, and code quality as we scale.

Skills

Node.js

TypeScript

React

SQL (PostgreSQL)

MongoDB

REST APIs

AWS

AI tools

Education

Bachelor's Degree in CS/Engineering or related

Tools

GraphQL

TimescaleDB

Python

Job description

MerchantSpring in Kuala Lumpur is seeking a Full-Stack Engineer to own features across a React frontend and Node.js/TypeScript backend, shipping end‑to‑end with large volumes of marketplace data.

You'll join one of our focused squads — AI, ETL, or API — in a cloud‑native, AI‑native environment, collaborating with product, QA, and fellow engineers to deliver high‑quality features that power reporting for 120+ channels.