Software Developer

CoherentPlus International; Kuala Lumpur; On-site; MYR 180,000 - 240,000; Full time

Job summary

CoherentPlus International is seeking an experienced software engineer to own the development and lifecycle of our payment processing engine, ensuring secure data flow between ISO8583 hosts and our cloud-native environment.

You will operate in a Linux ecosystem with Docker and Kubernetes for orchestration and GitHub Actions for CI/CD, reporting to the CTO and focusing on code quality, system stability, and regulatory compliance.

Qualifications

• Degree in Computer Science or a related field.
• Minimum 5 years of professional software development experience.
• Strong communication skills and ability to mentor junior developers.

Responsibilities

• Develop secure and scalable payment processing modules.
• Integrate with third-party payment hosts via Socket and API connections.
• Maintain CI/CD pipelines to deliver code safely and rapidly.
• Assist in regulatory and security compliance (PCI-DSS).
• Troubleshoot production issues across the full stack (App/Network/OS).

Skills

JavaScript/TypeScript

Socket Programming

ISO8583 Protocols

C Programming

Linux/Unix

Education

Degree in Computer Science or related field

Tools

GitHub Actions

Docker

Kubernetes

Express.js

Job description

You will be responsible for the development and lifecycle of our payment processing engine. This involves ensuring seamless data flow between ISO8583 hosts and our cloud-native environment. You will work within a Linux ecosystem, utilizing Docker and Kubernetes for orchestration and GitHub Actions for CI/CD.

This role reports to the CTO and focuses on technical execution, code quality, and system stability within a regulated environment.

Key Responsibilities:

• Develop secure and scalable payment processing modules.
• Integrate with third-party payment hosts via Socket and API connections.
• Maintain CI/CD pipelines to ensure rapid, safe delivery of code.
• Support the CTO in ensuring all code meets regulatory and security standards (PCI-DSS).
• Troubleshoot complex production issues across the full stack (App/Network/OS).

Requirements

Experience

• Degree in Computer Science or related field.
• Minimum 5 years of professional software development experience.
• Strong communication skills and ability to mentor junior developers.

Technical Knowledge

• Programming: Advanced knowledge of js, NPM, and TypeScript (Express.js).
• Systems: Strong background in C Programming and Socket Programming.
• Protocols: Experience with ISO8583 or similar financial messaging protocols.
• DevOps: Experience with GitHub Actions, Docker, and Kubernetes.
• OS: Proficient in Linux environments and command-line tools.
• Fintech Experience: Prior experience in payment switching or banking systems is a major plus.

Industry Experience (Highly Preferred)

• Cashless payment integration for:
  • Vending machines (MDB)
  • EV chargers
  • Parking systems
  • Transit / mobility solutions

Security

• Secure coding practices & cryptography basics

Soft Skills

• Strong problem-solving and analytical thinking
• Good communication & teamwork

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.