Senior Mulesoft Developer

Enzo Tech Group; Utrecht; Hybrid; EUR 129,150 - 166,050; Part time

Benefits offered by this job

Competitive daily rate

Immediate start

Job summary

Enzo Tech Group in the Netherlands seeks an experienced Senior MuleSoft Developer to design, develop, and implement scalable integrations on the MuleSoft Anypoint Platform, collaborating with architects and stakeholders to deliver enterprise-scale APIs.

The role requires hands-on MuleSoft development (Mule 4), API-led connectivity, and strong knowledge of REST/SOAP, RAML/OpenAPI, and DataWeave. You will contribute to Agile ceremonies and mentor junior developers.

Qualifications

• 5+ years hands-on MuleSoft development experience.
• Strong Mule 4 and Anypoint Platform knowledge.
• Experience designing and implementing API-led architectures.
• Solid knowledge of REST, SOAP, RAML, OpenAPI, JSON, XML, and DataWeave 2.0.
• Experience with API Manager, Runtime Manager, Exchange and CloudHub.
• Strong understanding of integration patterns and enterprise integration architecture.
• Experience integrating cloud platforms, databases, messaging systems and third-party APIs.
• Familiarity with CI/CD pipelines using Jenkins, Azure DevOps, GitHub Actions, or similar.
• Experience with Git version control.
• Strong debugging, performance tuning and problem-solving skills.
• Excellent communication skills with the ability to engage both technical and business stakeholders.
• Fluent English is required.

Responsibilities

• Design, develop, test, and deploy integration solutions using MuleSoft Anypoint Platform.
• Build reusable APIs and integration services following API-led connectivity principles.
• Develop RESTful and SOAP APIs, data transformations, and system integrations.
• Collaborate with Solution Architects to define integration strategies and technical designs.
• Integrate enterprise applications including ERP, CRM, cloud, and on-premise systems.
• Perform unit testing, integration testing, and support UAT activities.
• Troubleshoot and resolve production issues while ensuring optimal system performance.
• Create technical documentation and maintain integration best practices.
• Participate in Agile ceremonies including sprint planning, stand-ups, and retrospectives.
• Mentor junior developers and provide technical guidance where required.

Skills

MuleSoft development

Mule 4

API-led architecture

REST & SOAP APIs

RAML/OpenAPI/DataWeave

CI/CD pipelines

Git version control

Debugging & performance tuning

Stakeholder communication

English fluency

Tools

MuleSoft Anypoint Platform

Jenkins

Azure DevOps

GitHub Actions

CloudHub

API Manager

Runtime Manager

Exchange

Job description

We are seeking an experienced Senior MuleSoft Developer to join a dynamic integration team delivering enterprise-grade API and integration solutions. The successful candidate will play a key role in designing, developing, and implementing scalable integrations using the MuleSoft Anypoint Platform, working closely with architects, business stakeholders, and development teams.

This is an exciting opportunity to contribute to digital transformation initiatives within a fast-paced enterprise environment.

Key Responsibilities

• Design, develop, test, and deploy integration solutions using the MuleSoft Anypoint Platform.
• Build reusable APIs and integration services following API-led connectivity principles.
• Develop RESTful and SOAP APIs, data transformations, and system integrations.
• Collaborate with Solution Architects to define integration strategies and technical designs.
• Integrate enterprise applications including ERP, CRM, cloud, and on-premise systems.
• Perform unit testing, integration testing, and support UAT activities.
• Troubleshoot and resolve production issues while ensuring optimal system performance.
• Create technical documentation and maintain integration best practices.
• Participate in Agile ceremonies including sprint planning, stand-ups, and retrospectives.
• Mentor junior developers and provide technical guidance where required.

Required Skills & Experience

• 5+ years of hands‑on MuleSoft development experience.
• Strong experience with Mule 4 and the MuleSoft Anypoint Platform.
• Experience designing and implementing API‑led architectures.
• Solid knowledge of REST, SOAP, RAML, OpenAPI, JSON, XML, and DataWeave 2.0.
• Experience with API Manager, Runtime Manager, Exchange, and CloudHub.
• Strong understanding of integration patterns and enterprise integration architecture.
• Experience integrating cloud platforms, databases, messaging systems, and third-party APIs.
• Familiarity with CI/CD pipelines using Jenkins, Azure DevOps, GitHub Actions, or similar.
• Experience with Git version control.
• Strong debugging, performance tuning, and problem‑solving skills.
• Excellent communication skills with the ability to engage both technical and business stakeholders.
• Fluent English is required.

Preferred Qualifications

• MuleSoft Certified Platform Architect or Integration Architect (desirable).
• Experience with Azure, AWS, or Google Cloud Platform.
• Knowledge of Docker and Kubernetes.
• Experience working within Agile/Scrum environments.
• Previous experience in financial services, retail, manufacturing, healthcare, or the public sector is advantageous.
• Contract: Freelance / Contract
• Location: Netherlands (Hybrid or Remote)
• Duration: 6-12 months with possible extensions
• Competitive daily rate
• Immediate or short-notice starters preferred

Why Join?

• Work on enterprise‑scale integration programmes.
• Collaborate with experienced architects and engineering teams.
• Opportunity for long‑term contract extensions.