Senior Host Developer - #521383

We are looking for a skilled Senior Host Developer to join our team. In this position, you will play a key part in shaping and enhancing essential mainframe solutions that power core banking operations. Working closely with cross-functional teams, you will help deliver dependable, high-performing applications that align with business goals.

Responsibilities

• Participate in the creation and advancement of core banking applications that underpin essential business functions


• Perform corrective, adaptive, and evolutionary maintenance on mission-critical applications with strict high-availability requirements


• Diagnose and resolve production incidents to limit disruption to banking operations


• Support functional, integration, and certification testing to secure application stability before release

Requirements

• At least 3 years of relevant professional experience in software development or a comparable field


• Hands-on background in application development with COBOL on IBM z/OS


• Working expertise in batch process programming using JCL


• Proficiency in transactional application development with CICS


• Solid mastery of IBM Db2 and SQL databases for managing data and running queries


• Practical experience in AI Solution Engineering to design and deliver AI-powered capabilities within enterprise systems


• Background in Gen AI Application Development for creating solutions built on generative AI models


• Real-world experience with Gen AI Assisted Development to speed up coding, testing, and delivery activities


• Skill in Prompt Engineering for crafting effective, reliable, and finely tuned prompts for AI models


• Strong written and spoken command of English and Spanish at a B2 level or above

Nice to have

• Deeper expertise with COBOL for supporting and improving legacy business-critical systems


• Broader background with CICS for building and sustaining transactional applications


• Advanced JCL skills for automating and orchestrating batch processing workflows


• Extensive knowledge of DB2 for optimizing database performance and managing large data volumes