Application Architect

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

Job summary

An exciting opportunity for a seasoned Application / Integration Architect to join a dynamic team in London. The role demands strong expertise in MuleSoft, Apache Camel, and RabbitMQ to lead high-performance integration solutions. You will design event-driven architectures and work extensively with CI/CD practices to ensure a robust integration lifecycle. This contract position offers a competitive day rate and a chance to work in a remote capacity until December 2025.

Qualifications

• Strong expertise in MuleSoft and integration patterns.
• In-depth experience with API design and message processing.
• Experience with CI/CD practices and deployment orchestration.

Responsibilities

• Architect scalable integration solutions using MuleSoft, Camel, and RabbitMQ.
• Lead API designs adhering to RESTful/SOAP standards.
• Own end-to-end integration deployment lifecycle.

Skills

MuleSoft

Apache Camel

RabbitMQ

DevOps

CI/CD

DataWeave

Integration Security

Education

MuleSoft Certified Developer / Architect

Tools

Docker

Kubernetes

Git

Jenkins

Azure DevOps

GitLab CI

Job description

Social network you want to login/join with:

Location: London Job Type: Contract Industry: Enterprise Applications Job reference: BBBH414927_1750673302 Posted: 2 days ago

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