MuleSoft Developer

Senior MuleSoft Developer

6 Month contract Inside IR35 up to 585 per day

London based hybrid working 3 days office based

Current NPPV3 clearance is highly desirable

Your main responsibility will be to deliver clean, maintainable, and well-tested code that adheres to SOLID principles. You will work collaboratively across Quality Assurance, DevOps, and other development teams, sharing knowledge, supporting onboarding, and contributing to code reviews.

Key Responsibilities

• Deliver high-quality, maintainable code and development outcomes.
• Manage data exchange between backend services, front-end applications, and third-party APIs.
• Develop server-side logic in collaboration with Business Analysts and QA, ensuring requirements are met and code is testable.
• Lead and contribute to technical user stories, focusing on integration and service optimisation.
• Document solutions using diagrams, flowcharts, and clear code comments.
• Ensure compliance with quality standards, including automated testing and code reviews.
• Address non-functional requirements such as performance, monitoring, and operational support.
• Support releases through all development environments, maintaining quality and reliability.
• Contribute to skill development and technology adoption within the team.
• Present technical concepts in demos and participate in user feedback sessions.
• Provide accurate work estimates and support agile planning.
• Balance delivery pace with documentation, test automation, and technical debt reduction.

Skills and Experience

Were looking for candidates with strengths in most of the following areas:

Essential

• Experience delivering integration microservices using MuleSoft best practices.
• Proven ability to write clean, maintainable code following SOLID principles.
• Designing RAML, REST APIs, flow control, and error handling.
• Hands-on experience with the Anypoint Platform (CloudHub, VPC, VPN, DLB, firewalls, and cloud technologies).
• Securing and managing APIs using API Manager.
• Developing frameworks for error handling and logging.
• Managing the API development lifecycle from design to governance and management.
• Working with batch message processing, Salesforce, file, and database connectors.
• Using MUnit and practising test-driven development.
• Experience with REST, MQ, JSON, XML, and SOA.
• Familiarity with CI/CD pipelines (Maven, Jenkins, Bitbucket, Git, MuleSoft).

Desirable

• Experience working in consulting or public sector environments.
• Experience as a microservices developer.
• MuleSoft certification.

Education and Other Requirements

• Typically, candidates have substantial experience in MuleSoft integration development (often 5+ years), but we welcome applicants with a range of backgrounds and relevant skills.
• Degree in a relevant field (e.g. Computer Science, Statistics) or equivalent practical experience.
• Eligible for SC clearance (requires 5 years residency in the UK; citizenship is not mandatory).
• Able to adapt to changing priorities and client needs.