Mainframe Developer (CICS Webservices)

Job Title: Mainframe Developer – CICS Web Services

Location: Edinburgh (Hybrid)

Employment Type: Contract

Role Overview

We are seeking an experienced Mainframe Developer with strong expertise in CICS Web Services to design, develop, implement, and maintain mission-critical applications. The ideal candidate will have in-depth knowledge of COBOL, CICS, JCL, DB2, and Web Services (SOAP/REST), along with strong problem-solving skills to support complex business and technical requirements.

Key Responsibilities

• Design, develop, and maintain CICS Web Services (provider/consumer) using COBOL, CICS, and DB2.
• Convert legacy CICS transactions into service-enabled components for modern integration (SOAP/REST APIs).
• Develop and enhance COBOL programs, JCL scripts, and DB2 queries to support business processes.
• Analyze, debug, and resolve issues in CICS regions, MQ integration, and Web Services flows.
• Work with WSDL, XML, JSON, and SOAP for service creation and consumption.
• Collaborate with architects, business analysts, and middleware teams to deliver service-oriented solutions.
• Conduct unit testing, system integration testing, and support User Acceptance Testing (UAT).
• Ensure adherence to coding standards, performance tuning, and secure programming practices.
• Provide production support, troubleshooting, and incident resolution for CICS/Web Service-related issues.
• Prepare and maintain technical documentation including design specs, test cases, and deployment guides.

Required Skills & Experience

• Strong experience in Mainframe technologies: COBOL, CICS, JCL, DB2, VSAM.
• Hands-on experience with CICS Web Services (SOAP/REST), WSDL, XML, JSON, MQ.
• Experience in CICS Transaction Server and configuring CICS as a service provider/consumer.
• Proficiency in debugging and tuning CICS applications for performance.
• Familiarity with middleware tools (MQ Series, API Gateways) and integration with distributed systems.
• Strong knowledge of SDLC methodologies (Agile, Waterfall, Hybrid).
• Excellent problem-solving and analytical skills.
• Good communication and stakeholder engagement skills.

Preferred Qualifications

• Experience with CICS TS 5.x and above.
• Exposure to DevOps tools (Jenkins, Git, Endevor, or Changeman).
• Knowledge of cloud migration strategies involving mainframe services.
• Banking/Financial/Insurance industry background.