Middleware Engineer

Middleware Engineer Location: London, Reading or Leeds - Hybrid - 2 to 3 days per week onsite Start Date: ASAP Contract Rate: £375–£460 per day inside IR35 Working Pattern: On-call shifts Duration: 6 to 12 months initially Role Overview Our client is seeking a Middleware Engineer to support and maintain enterprise middleware platforms within a fast-paced IT operations environment. You’ll play a key role in ensuring system stability, performance, and availability, working closely with cross-functional teams across application, infrastructure, and database services. Key Responsibilities * Support and maintain middleware across production and non-production environments * Monitor performance, logs, and alerts (e.g., Splunk, Dynatrace) * Troubleshoot incidents, perform root cause analysis, and resolve within SLAs * Execute SQL queries for validation and troubleshooting * Work within Linux/Unix environments for deployments and system checks * Support API integrations (REST/SOAP) * Automate operational tasks using scripting (Shell, Python) * Assist with releases, deployments, and environment management * Collaborate with internal teams to resolve issues * Follow ITIL processes (Incident, Problem, Change) * Participate in an on-call support rota Skills & Experience Essential * Linux/Unix experience * Knowledge of Java-based or middleware systems * Understanding of APIs and web services (REST/SOAP) * SQL query experience and database fundamentals * Exposure to middleware/tools (WebLogic, ESB, API gateways) * Monitoring tools experience (Splunk, Dynatrace) * Scripting skills (Shell, Python) * Strong problem-solving and communication skills Desirable * Telecom or large enterprise environment experience * Cloud knowledge (AWS/Azure) * CI/CD and DevOps tooling familiarity * Integration platforms (MuleSoft, Apigee) * Containerisation (Docker, Kubernetes) * ITIL certification * 24/7 support environment experience If you have the relevant skills and experience, please do apply promptly to be considered