Backend Engineer - Payments & API Systems

CS Malaysia; Kuala Lumpur; On-site; MYR 90,000 - 130,000; Full time

Job summary

Key Plus in Kuala Lumpur is seeking a Backend Developer to own infrastructure as we scale. You will build and maintain APIs for case tracking, follow-up logs, and payments, and integrate with partner systems and gateways.

Responsibilities include database schema design for leads/conversions and close collaboration with frontend and ops teams to fill data gaps. On-site role in KL with a lean team environment.

Qualifications

• Experience building APIs for production systems.
• Proficient with PHP 8.3+ and Laravel.
• Experience integrating payment gateways.
• Ability to own data models for leads and conversions.

Responsibilities

• Build and maintain APIs for case tracking, follow-up logs, and payment capture.
• Integrate with partner systems and payment gateways.
• Own database schema design for the lead and conversion pipeline.
• Collaborate with frontend and operations teams to close data gaps.

Skills

API development

PHP/ Laravel

Database design

Team collaboration

On-site work

Tools

Laravel

MySQL

Redis

Node.js

REST API

Laravel Passport/Sanctum

Laravel Horizon/Octane

Job description

Key Plus in Kuala Lumpur is seeking a Backend Developer to own infrastructure as we scale. You will build and maintain APIs for case tracking, follow-up logs, and payments, and integrate with partner systems and gateways.

Responsibilities include database schema design for leads/conversions and close collaboration with frontend and ops teams to fill data gaps. On-site role in KL with a lean team environment.