Job Title : Base24 Lead Engineer Location : Swindon (Hybrid - 3 Days a week) Job Type : Permanent Job Summary : We are hiring for a Base24 Lead Engineer to join a leading UK building society. This role focuses on developing and maintaining ATM/POS software solutions, guiding technical teams, and ensuring compliance with industry standards. Key Responsibilities : Design, develop, and maintain Base24 applications (Classic/EPS) for ATM/POS systems. Lead migration from Base24 Classic to EPS , including VISA scheme enhancements and regulatory updates. Collaborate with business/IT teams to translate requirements into technical specifications. Troubleshoot software issues and resolve service incidents. Ensure system resilience, sustainability, and recovery capabilities. Provide SME expertise on ATM/POS technology, EMV, card schemes (Visa/LINK), and transaction switching. Mentor onshore/offshore Base24 Engineers and lead internal knowledge-sharing initiatives. Utilize tools: TAL, COBOL, S-COBOL, HP NonStop (Pathway, Enscribe, TMF), VersaTest, XPNET . Essential Skills : Technical : Proficiency in Base24 architecture, HP NonStop platforms, and programming (TAL, COBOL). Experience with EMS, Batchcom, Enform, ACI Desktop, and security frameworks. Knowledge of VISA/LINK interfaces, EMV, and transaction testing tools (Iliad, Paragon). Soft Skills : Strong analytical, communication, and leadership abilities. Desirable Skills : Prior experience in Base24 Classic-to-EPS migration . Familiarity with Agile/Scrum , source control (RMS), and payments domain expertise. Additional Details : Work Model : Hybrid (2 3 days/week onsite in Swindon). Candidate Requirement : Ability to collaborate closely with client leadership and address escalated deliverables. ADZN1_UKTJ