Senior Backend Architect: Microservices & APIs

upscale; Kuala Lumpur; On-site; MYR 180,000 - 280,000; Full time

Job summary

Upscale in Kuala Lumpur is seeking an experienced backend engineer/architect to design and optimise multi-service backend systems, REST APIs, data ingesting modules, and integrations with external/legacy systems. You will analyse API structures, data rules, and performance, and validate workflows for data collection, storage and reporting.

You will also provide backend design insights during documentation and collaborate with analysts to identify constraints, risks, and optimisations for

Qualifications

• 5-8 years of backend development or architecture experience.
• Strong in Laravel, Node.js, or Python-based backend stacks.
• Experience with data-driven enterprise systems is highly preferred.
• Experience dealing with government IT environments is a plus.
• Understanding of microservices, integration patterns, and API gateway concepts.

Responsibilities

• Review backend requirements involving multi-service systems, REST APIs, data ingesting modules, external/legacy integrations, and background processing.
• Analyse API request/response structures, performance considerations, and data rules.
• Validate system logic for workflows involving data collection, processing, storage, and reporting.
• Provide backend insights during system design documentation.
• Identify potential technical constraints, risks, or optimisations.
• Collaborate with analysts to ensure backend design is practical.

Skills

Backend development

Architecture

API design

System analysis

Tools

Laravel

Node.js

Python

Job description

Upscale in Kuala Lumpur is seeking an experienced backend engineer/architect to design and optimise multi-service backend systems, REST APIs, data ingesting modules, and integrations with external/legacy systems. You will analyse API structures, data rules, and performance, and validate workflows for data collection, storage and reporting.

You will also provide backend design insights during documentation and collaborate with analysts to identify constraints, risks, and optimisations for