MuleSoft API Integration Engineer

Jobline Resources Pte Ltd; Singapore; On-site; SGD 70,000 - 110,000; Full time

Job summary

Jobline Resources Pte Ltd is seeking an experienced API integration professional to collaborate with business users, product owners, and architects. You will translate processes into API specifications, data mappings, and integration use cases, and work with MuleSoft to define interfaces, message structures, and validation rules.

You will support end-to-end delivery across planning, testing, and deployment, prepare user stories and test cases, and ensure APIs meet enterprise standards.

Qualifications

• Degree in Computer Science / Engineering or related discipline.
• Hands-on experience with MuleSoft Anypoint Platform, including API management and integration lifecycle.
• 3–5 years of experience in large-scale IT integration projects.
• Hands-on experience working in Agile Scrum teams delivering integration or platform features in iterative sprints.
• Proficiency in writing user stories, acceptance criteria, and maintaining a well-groomed product backlog using tools like Jira or Azure Boards.
• Proficiency in designing Mule components (Mule ESB, Anypoint Studio, ETLs, flows, MEL, message modelling, Routing, Filtering, Database, Exception Handling, API Management)
• Understanding of MCP (Model Context Protocol) architecture: resources, tools, prompts/skills, and how they provide context to AI models.
• Knowledge of how to integrate MCP with enterprise systems (e.g., via HTTP, webhooks, or event buses) for orchestration

Responsibilities

• Collaborate with business users, product owners, and architects to gather, document, and refine integration requirements.
• Translate business processes and functional requirements into API specifications, data mappings, and integration use cases.
• Conduct analysis between existing systems and desired integration outcomes.
• Work closely with MuleSoft developers and architects to define API interfaces, message structures, and validation rules.
• Create detailed specifications including RAML or TMForum definitions, payload examples, and data transformation logic.
• Participate in API design reviews and ensure adherence to enterprise integration standards and governance frameworks.
• Support end-to-end integration delivery across planning, testing, and deployment phases.
• Prepare project documentation such as user stories, process flows, sequence diagrams, and integration test cases.
• Validate implemented APIs against business requirements and assist in Sanity Test and user acceptance testing (UAT).
• Act as the liaison between business users, ServiceNow development teams, and vendors (e.g., Mulesoft, ServiceNow, in-house core systems).
• Communicate project status, risks, and issues effectively to both technical and non-technical stakeholders.
• Assist in maintaining API documentation portals and reuse catalogues.
• Identify opportunities to streamline integration processes and promote reuse across applications.
• Contribute to establishing best practices for API lifecycle management, security, and versioning.

Skills

Agile Scrum

Backlog management

API design

Data mapping

Stakeholder communication

Education

Bachelor's degree in Computer Science or Engineering

Tools

MuleSoft Anypoint Platform

RAML

TMForum definitions

Jira

Azure Boards

Job description

Jobline Resources Pte Ltd is seeking an experienced API integration professional to collaborate with business users, product owners, and architects. You will translate processes into API specifications, data mappings, and integration use cases, and work with MuleSoft to define interfaces, message structures, and validation rules.

You will support end-to-end delivery across planning, testing, and deployment, prepare user stories and test cases, and ensure APIs meet enterprise standards.