Application Architect

Experis UK; London; Remote; GBP 125,000 - 150,000; Full time

Job summary

A leading company in the staffing and recruiting sector seeks an Application Architect to design and implement robust integration solutions. The position requires expertise in MuleSoft, Apache Camel, and RabbitMQ. Ideal candidates should possess strong knowledge of event-driven architectures and DevOps practices, and will play a crucial role in shaping enterprise-grade integration projects. This is a contract role with a competitive daily rate, fully remote until 2025.

Qualifications

• Strong experience with MuleSoft API design and integration flows.
• In-depth knowledge of RabbitMQ protocols and error handling.
• Familiarity with Docker, Kubernetes, and CI/CD tools.

Responsibilities

• Lead architecture and design of scalable integration solutions.
• Build and maintain Mule flows using Anypoint Studio.
• Manage deployment lifecycle with CI/CD pipelines.

Skills

MuleSoft

Apache Camel

RabbitMQ

Event-driven architecture

CI/CD

Job description

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Job Title: Application / Integration Architect

Duration: Until 31/12/2025

Location: Remote

Rate: Up to £520 per day via an approved umbrella company

Job Overview We are seeking a highly experienced with strong expertise in MuleSoft, Apache Camel, and RabbitMQ to lead the design, development, and deployment of enterprise-grade integration solutions. The ideal candidate will have a solid grasp of event-driven architecture, enterprise integration patterns, and secure, scalable message-driven solutions, coupled with hands-on experience in DevOps and CI/CD.

Key Responsibilities

• Architecture & Design
• Architect scalable, secure, and high-performance integration solutions using MuleSoft, Camel, and RabbitMQ.
• Define reusable patterns and integration frameworks based on EIP (Enterprise Integration Patterns).
• Lead API and messaging solution designs adhering to RESTful/SOAP standards and AMQP best practices.
• Design and implement event-driven architectures, pub-sub models, and asynchronous message flows. Development & Implementation
• Build and maintain Mule flows, subflows, and message processors using Anypoint Studio and Platform.
• Design complex DataWeave transformations and data enrichment pipelines.
• Configure and manage RabbitMQ clusters, exchanges, queues, bindings, and vhosts.
• Develop Apache Camel routes and leverage EIPs like WireTap, Enricher, Splitter/Aggregator, and Dead Letter Channel.
• Implement robust batch and transaction management strategies across integration layers. DevOps & Deployment
• Own end-to-end integration deployment lifecycle using CI/CD pipelines, version control, and infrastructure automation.
• Support containerization, scaling, and HA setups using tools like Docker, Kubernetes, and Helm.
• Ensure backup, recovery, and message durability across RabbitMQ and integration components. Governance & Security
• Apply secure integration practices including OAuth2, JWT, TLS, message encryption, and API security policies.
• Monitor and audit message flows, failures, retries, and implement error-handling strategies like requeuing and dead-letter queues.
  
  

Required Skills & Experience

• MuleSoft
• Proficiency with Mule 4, Anypoint Platform, Runtime Manager, and Exchange.
• Strong experience with MuleSoft API design, message processors, DataWeave scripting, and integration flows.
• Knowledge of API policies, error handling, and transaction scopes. Apache Camel
• In-depth experience with Camel routes, processors, components, and integration with external systems.
• Expertise in EIPs and transformations using Java/DSL/XML-based configurations. RabbitMQ
• Solid understanding of AMQP protocols, exchanges (direct, topic, fanout), queues, bindings, and acknowledgments.
• Experience with mirrored queues, cluster setup, backup and disaster recovery.
• Error handling, retries, and dead-letter exchange implementation. DevOps / CI-CD
• Experience with Git, Jenkins, Azure DevOps, or GitLab CI for pipeline creation and deployment.
• Familiarity with Docker, Kubernetes, and deployment orchestration. General
• Strong grasp of integration security practices, including encryption, authentication, and access control.
• Solid understanding of microservices architecture, distributed systems, and cloud-native deployments.
  
  

Preferred Qualifications

• MuleSoft Certified Developer / Architect.
• Experience with Kafka, ActiveMQ, or other message brokers.
• Familiarity with Terraform, Ansible, or other IAC tools.
• Experience working in Agile/Scrum environments.
  
  

If this is the role for you please submit your CV at your earliest convenience

Seniority level

• Seniority level

  Mid-Senior level

Employment type

• Employment type

  Contract

Job function

• Job function

  Engineering and Information Technology

• Industries

  Staffing and Recruiting

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