Senior MuleSoft Integration Developer

Senior MuleSoft Integration Developer

Location: Irvine, CA (Hybrid, 3 days/week onsite from Day 1) | Contract-to-Hire

This role requires 3 days/week onsite in Irvine, CA from Day 1, with no exceptions. Candidates must be interested in converting to a full-time position.

Overview

Our client is seeking a Senior MuleSoft Integration Developer to design, develop, and implement integration solutions that connect systems and applications, optimizing business processes and overall efficiency. You'll lead the design and implementation of integration workflows, manage middleware platforms, and ensure seamless data flow across disparate systems, working with platforms such as MuleSoft, Informatica, and other cloud technologies to deliver high-performing, scalable solutions.

Responsibilities

• Design, develop, and implement integration solutions using iPaaS vendors and a variety of enterprise cloud and on-premises systems.
• Oversee the full API lifecycle, from designing and developing RESTful APIs to testing, monitoring, and optimizing for performance and scalability.
• Create reusable API assets and connectors to accelerate development and future-proof integration solutions.
• Work with third-party vendors and integration partners to evaluate solutions, manage implementation, and integrate external systems into the organization's architecture.
• Monitor integration performance and health, troubleshoot issues, and optimize integration processes across systems.
• Collaborate with business analysts and architects to define technical requirements and design integration architectures aligned with business needs.
• Mentor IT peers on integration best practices and coding standards.
• Develop and maintain technical documentation, including integration specifications, data flow diagrams, and support guides, and ensure adherence to coding standards.
• Stay current with emerging technologies and drive improvements aligned with industry standards.

Required Qualifications

• Bachelor's degree in Computer Science, Information Technology, or a related field
• 5-8 years of experience in integration development, with a focus on enterprise systems and APIs
• Proficiency in programming languages such as Java, C#, Python, or JavaScript
• Extensive hands-on experience with the MuleSoft Anypoint Platform, including API design, development, and deployment
• Experience with the MuleSoft product suite: CloudHub 2.0, API-led connectivity, API Manager, Partner Manager, and MuleSoft administration
• In-depth knowledge of event-driven architecture, including Pub/Sub patterns and message queues (e.g., RabbitMQ, Kafka)
• Strong proficiency in web services (REST, SOAP) and data formats such as XML and JSON
• Familiarity with API management and API security best practices (OAuth, JWT) within MuleSoft integrations
• Good understanding of EDI standards (ANSI X12, EDIFACT) and integration protocols (AS2, SFTP, FTPS)
• Experience with version control systems (GitHub, Bitbucket)
• Proficiency with databases and data integration, including data mapping, transformation, and queries
• Strong analytical, communication, and prioritization skills in a fast-paced environment

Preferred Qualifications

• Exposure to cloud integration platforms such as AWS, Azure, or Google Cloud
• Certifications in integration technologies such as MuleSoft, AWS, or Azure
• Experience integrating manufacturing systems such as ERP, PLM, SCADA, and IoT applications

Pay rate: $80-85/hr. This is a 6-month contract-to-hire position, hybrid (3 days/week onsite) in Irvine, CA.