Full Stack

Ampersand Pay SDN BHD; Kuala Lumpur; On-site; MYR 100,000 - 145,000; Full time

Job summary

Ampersand Pay Sdn Bhd is seeking a Full Stack Software Engineer to join its Internet Payment Gateway (IPG) Development Team in Kuala Lumpur. You will collaborate with architects and senior engineers on core payment gateway development, production operations and future platform enhancements.

You will work across IPG modules, APIs and integration points, applying strong Node.js/TypeScript, REST API, MySQL and CI/CD skills.

Qualifications

• Experience with Node.js and TypeScript in backend/frontend integration.
• Proficient in REST/Web API design and database fundamentals (MySQL).
• Familiar with Git/GitHub workflows and CI/CD basics.
• Knowledge of Linux and Docker for development and deployment.
• Strong debugging, testing, logging and observability practices.
• Understanding of API design, asynchronous processing and resilient systems.

Responsibilities

• Develop, enhance and troubleshoot IPG modules, APIs, portals and supporting services.
• Perform bug fixes and application support for production IPG systems.
• Integrate with banks, payment providers and other platforms, including certification activities.
• Assist merchants with technical integration and certification where required.
• Write and execute tests, including automated regression testing.
• Support deployment to development, staging and test environments.
• Work with DevOps on CI/CD, automation and operational improvements.
• Contribute to future IPG architecture and gateway capabilities.

Skills

Node.js

TypeScript

REST/Web API

MySQL

Git

Linux

Docker

Testing

API design

Security & best practices

Tools

GitHub

CI/CD

Job description

Ampersand Pay Sdn Bhd (APSB) is looking for a Full Stack Software Engineer to join our Internet Payment Gateway (IPG) Development Team. You will work closely with architects and senior engineers on APSB's core payment gateway, supporting its ongoing development, production operations and future-generation platform.

Key Responsibilities:

• Develop, enhance and troubleshoot IPG modules, APIs, portals and supporting services.
• Perform bug fixes and application support for production IPG systems.
• Integrate with banks, payment service providers and other payment platforms, including certification activities.
• Assist merchants with technical integration and certification where required.
• Write and execute tests, including automated regression testing.
• Support deployment to development, staging and test environments.
• Work with the DevOps team on CI/CD, automation and operational improvements.
• Participate in the development of future IPG architecture and next-generation payment gateway capabilities.

Core Skills

Node.js and TypeScript
REST/Web API and web application development
MySQL, including database fundamentals and stored procedures
Git/GitHub, branching, merging and basic CI/CD workflows
Linux and Docker
Debugging, troubleshooting, logging and observability
Sound software engineering practices including code review, secure coding, testing, documentation and disciplined change management
A good understanding of fundamental software design concepts such as API design, asynchronous processing and resilient system design is desirable.

Added Advantages

• Experience or exposure in any of the following would be useful:
• Redis and message brokers such as NATS.io
• Automated unit, integration and regression testing
• Cloud infrastructure and networkin
• Payment gateways, fintech or payment integrations
• High-volume or transaction-processing systems
• Payment security, cryptography, PCI DSS or BNM RMiT
• Agile/Scrum and Jira or similar project-management tools
• Around 3 years of software development experience is preferred, although strong junior candidates with good fundamentals and learning ability are encouraged to apply.

What You Will Learn

You will receive hands-on exposure, mentoring and opportunities to develop expertise in:
Backend and full-stack software engineering
High-volume transaction processing
Payment gateway architecture
Fintech and payment domain knowledge
Payment integration and certification
Payment security and cryptography
Production-grade engineering and operational practices
If you are a developer who wants to grow beyond ordinary web application development into mission-critical fintech and payment systems, we would like to hear from you.

Why Join CoherentPlus

• Work on mission-critical systems where every line of code matters.
• Direct mentorship from a veteran CTO.
• A culture that values technical depth and clean, secure code.