Lead Host Developer

EPAM Systems; Peru (IL); On-site; USD 120,000 - 160,000; Full time

Job summary

EPAM Systems seeks a Lead Host Developer to design and evolve vital mainframe solutions supporting core banking operations. You will collaborate with cross-functional teams to deliver reliable, high-performing applications that meet business objectives.

Responsibilities include developing core banking apps, maintaining mission-critical systems with high availability, and addressing production incidents while assisting with testing and certification to ensure stability before deployment.

Qualifications

• 5+ years of software development experience
• 2+ years leading development teams
• Proficient in COBOL on IBM z/OS
• Strong JCL skills
• Experience with CICS and DB2/SQL
• Hands-on AI solution engineering experience
• Experience with Gen AI applications and assisted development
• Proficiency in prompt engineering
• Written and spoken English and Spanish at least B2

Responsibilities

• Contribute to development and evolution of core banking applications
• Deliver maintenance for mission-critical apps with high availability
• Investigate and address production incidents
• Assist with functional, integration, and certification testing

Skills

COBOL

JCL

CICS

DB2

SQL

Gen AI

Gen AI App Dev

Gen AI Assisted Dev

Prompt Engineering

AI Solution Eng

English

Spanish

Job description

We are seeking a talented Lead Host Developer to join our team. In this role, you will take an active part in designing and evolving vital mainframe solutions that support core banking operations. Collaborating with cross-functional teams, you will contribute to delivering reliable and high-performing applications that meet business objectives.

Responsibilities

• Contribute to the development and evolution of core banking applications that support key business processes
• Deliver correct ive, adaptive, and evolutionary maintenance for mission-critical applications with demanding high-availability standards
• Investigate and address production incidents to minimize the impact on banking activities
• Assist with functional, integration, and certification testing to ensure application stability ahead of deployment

Requirements

• A minimum of 5 years of applicable professional experience in software development or a similar area
• No less than one year of experience leading and managing development teams
• Practical experience in application development with COBOL on IBM z/OS
• Solid command of batch process programming using JCL
• Skilled in transactional application development with CICS
• Strong knowledge of IBM Db2 and SQL databases for handling data and executing queries
• Real-world background in AI Solution Engineering for designing and implementing AI-driven capabilities within enterprise systems
• Experience in Gen AI Application Development for producing solutions powered by generative AI models
• Practical involvement in Gen AI Assisted Development to accelerate coding, testing, and delivery workflows
• Proficiency in Prompt Engineering for producing effective, reliable, and well-tuned prompts for AI models
• Confident written and spoken command of English and Spanish at a B2 level or higher
• Nice to have
• Advanced expertise with COBOL for maintaining and enhancing legacy business-critical systems
• Wider experience with CICS for developing and supporting transactional applications
• Strong JCL capabilities for automating and coordinating batch processing workflows
• In-depth understanding of DB2 for tuning database performance and managing large data volumes