Mainframe Developer

Avensys Consulting UK • london, london • Posted June 14, 2026

About the Role

Role; Mainframe Developer

Location: London – Hybrid

Project Type; Inside IR35 Contract

Max Rate: 300 GBP Per Day




  • Eight years of experience with Mainframe technologies including COBOL, CICS, JCL, DB2, and VSAM, with proven expertise in batch processing and online transaction processing (OLTP) environmen
  • tsSolid experience in application support, with a good understanding of Incident and Problem Management processes, along with the ability to contribute to software development and enhancement activiti
  • esFamiliarity with industry-standard mainframe toolsets, development methodologies, and operational process
  • esExperience of DevOps and Agile methodology and associated toolse
  • tsA background in solving highly complex, analytical and numerical proble
  • msExperience of implementing programming best practice, especially around scalability, automation, virtua...