Senior API Engineer – Cloud & OpenAPI (Hybrid)

Experian Asia Pacific; Kuala Lumpur; Hybrid; MYR 180,000 - 260,000; Full time

Benefits offered by this job

Hybrid work arrangement

Inclusive paid leave

People-first workplace

Paid Internship

Job summary

Experian Asia Pacific is seeking a talented engineer to join our delivery team working on Ascend DataHub—the API platform that bridges data intelligence with OpenAI-powered capabilities. You will design, build, and evolve APIs to ensure scalable, secure data delivery for clients and internal users.

You will contribute across design, development, integration, testing and deployment, leveraging AWS and API gateway tools, while aligning with PDPA/GDPR and data governance best practices.

Qualifications

• At least 6 years of experience in software development, system design and application support.
• Strong hands-on experience in designing, developing, and integrating RESTful APIs following OpenAPI Specification and web services, including REST, SOAP, JSON, and JWT-based authentication.
• Familiarity with API gateway tools.
• Experience with software development, integration, testing, and deployment practices.
• Experience with cloud platforms.
• Experience in .NET (C#) and ASP.NET Core, particularly in developing REST APIs, is preferred.
• Additional experience with PHP, Java, Python, MySQL, Angular, HTML, CSS, JavaScript, and jQuery would be an added advantage.
• Knowledge of data governance, data security, and privacy best practices.
• Experience troubleshooting application, data, integration, and performance issues.
• Experience with CodeIgniter, and MVC architecture
• Good understanding of Agile, SCRUM, SDLC and software design concepts.

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 APIs design

OpenAPI Specification

JWT authentication

Cloud platforms

Agile SCRUM SDLC

ASP.NET Core

Data governance & privacy

Security best practices

API integration

JavaScript / front-end basics

MVC architecture

Tools

CodeIgniter

MVC architecture

Job description

Experian Asia Pacific is seeking a talented engineer to join our delivery team working on Ascend DataHub—the API platform that bridges data intelligence with OpenAI-powered capabilities. You will design, build, and evolve APIs to ensure scalable, secure data delivery for clients and internal users.

You will contribute across design, development, integration, testing and deployment, leveraging AWS and API gateway tools, while aligning with PDPA/GDPR and data governance best practices.