Senior API Engineer – OpenAI-Powered Data Platform

Experian; Kuala Lumpur; Hybrid; MYR 120,000 - 190,000; Full time

Benefits offered by this job

Hybrid work arrangement: home and offi

Inclusive paid leave

People-first and inclusive workplace

Paid Internship

Job summary

Experian Kuala Lumpur is seeking a talented software engineer to join the delivery team for Ascend DataHub, an API platform linking data intelligence with OpenAI-powered capabilities. You will design, build, and evolve RESTful APIs and ensure scalable, secure data delivery to clients and internal users.

You will deploy on AWS, implement authentication and rate limiting, and help shape the API ecosystem while adhering to security and data privacy standards.

Qualifications

• 6+ years in software development and API design.
• Experience with REST, SOAP, JSON, JWT authentication.
• Knowledge of cloud platforms.
• Proficiency in .NET (C#) and ASP.NET Core for REST APIs.
• Familiarity with API gateway tools and security best practices.
• Experience with PHP, Java, Python, MySQL, Angular, HTML/CSS/JS is a plus.
• Understanding of data governance and privacy.

Responsibilities

• Designing, developing, and maintaining robust, scalable RESTful APIs that serve as the primary data access layer for clients.
• Deploying and scaling API services on AWS, leveraging cloud-native tools to ensure high availability and performance.
• Implementing API security best practices — authentication, authorisation, rate limiting, and data privacy controls aligned to PDPA/GDPR.
• Developing and maintaining end-to-end data workflows that ensure timely, accurate, and secure delivery of data assets to clients and internal consumers.
• Participate in the research, design, development, integration, testing and deployment of software application.
• Conducts technical analysis and design of application module & database.
• Ensure developed modules comply with established architecture standards, coding standards and quality requirement.
• Participate in client meetings, requirement gathering sessions, solution reviews and technical workshops to support project delivery and system integration.

Skills

RESTful API design

OpenAPI Specification

Cloud platforms

C# / ASP.NET Core

Security & data governance

API testing & debugging

Agile/Scrum

Tools

API Gateway

CodeIgniter

Job description

Experian Kuala Lumpur is seeking a talented software engineer to join the delivery team for Ascend DataHub, an API platform linking data intelligence with OpenAI-powered capabilities. You will design, build, and evolve RESTful APIs and ensure scalable, secure data delivery to clients and internal users.

You will deploy on AWS, implement authentication and rate limiting, and help shape the API ecosystem while adhering to security and data privacy standards.