Mule Developer

Mule Developer 6 Month Contract Can be based across any of our Regional Centres Must be able to start WC 07/07/2025 About the Role :We are seeking a skilled Mule Developer to join our Check Challenge Appeal (CCA) development team. We are a dedicated, friendly team made up of product roles and technical developers/testers – delivering in an Agile manner to passionate and interested customers on behalf of the Value Office Agency (VOA). The ideal future colleague will be part of a Team of Developers/Testers responsible for our upgrade to Mule 4. 4Responsibilities :The Mule developer will be responsible for the following tasks • :Upgrade of APIs • :Rebuild existing Mule 3.x APIs in Mule 4.4 adhering to updated best practice specifications • .Development of New APIs: Build other required APIs in Mule 4.4 to best practice specifications as directed • .Testing and Validation • :Collaborate with testers to ensure APIs meet functional, non-functional, and performance criteria • .Debug, resolve issues, and conduct regression testing as necessary • .Collaboration with Team • :Work closely within the wider team of CCA developers and testers to ensure consistency and quality in deliverables • .Documentation • :Document processes, updates, and lessons learned to provide a reference for future upgrades .Deliverables • :Upgraded/enhanced CCA APIs compatible with Mule 4.4 • .Comprehensive testing results and documentation • .Deployment-ready APIs ensuring smooth production transition • .Technical documentation for the APIs rebuilt/enhanced during the work • .Ongoing/Continuous Improvement • :Identify opportunities for process and code improvements within the production environment • .Proactively engage in troubleshooting, optimising, and scaling backend services to support growing business needs .Performance Metrics • :Successful migration of all identified Mule 3.x APIs to 4.4 • .Development and deployment of new APIs within defined timelines • .Zero critical defects in production post-deployment • .Positive feedback from stakeholders and users regarding the upgraded APIs .Technologies • :Mule ESB (Enterprise Service Bus) - Key integration platform for managing and orchestrating service connectivity and data flows between applications • .Mule Anypoint Studio - Primary development environment for designing and debugging Mule ESB flows • .RabbitMQ - messaging bus that facilitates communication between different services/components in the system by reliably queuing, routing, and delivering messages • .Java - Core language for backend services, necessary for writing, maintaining, and troubleshooting applications that integrate with Mule ESB • .MySQL Database - Database management and querying, essential for accessing, updating, and managing application data • .Elastic Stack (Elasticsearch, Kibana) - Primarily used for monitoring and log analysis; leveraging this stack to diagnose production issues, track service performance, and support troubleshooting • .Bamboo CI/CD - Continuous integration and deployment tool for automating builds, testing, and deployments in both dev and production environments • .Stash (Git) - Version control for managing and tracking code changes, supporting collaboration across the development team • .Jira - Issue and project tracking tool, used to coordinate production support requests, development tasks, and release management .Qualifications • :Bachelor’s degree in Computer Science, Engineering, or a related field, or equivalent experience • .3+ years of Mule: confident understanding of MuleSoft’s Anypoint Platform, including API development, integration patterns and Mule 4 architecture • .Upgrading knowledge: Experience upgrading from Mule x to Mule 4.4 including migration of code, connectors, and dependencie • sConnector Upgrades: Familiarity with updating legacy connectors to Mule 4 compatible versions building bespoke or migrating to new connectors • .Proficiency in backend programming languages such as Java, Python, Node.js, or similar • .Familiarity with production environments and CI/CD pipelines • .Experience with service monitoring, debugging, and troubleshooting tools • .Ability to work collaboratively in a fast-paced environment, balancing multiple priorities .