IPolarity

Software Engineer

• Support and manage IBM z/OS IMS environments
• Ensure the stability, availability, performance, and security of IMS DB and IMS TM subsystems
• Install, configure, and maintain IMS DB and IMS TM subsystems on IBM z/OS
• Perform version upgrades, maintenance, and patching to ensure system currency and stability
• Manage and maintain IMS system definitions, including DBDs, PSBs, ACB libraries, and control regions
• Configure and tune buffer pools, parameters, and system resources to optimize performance
• Monitor IMS database and transaction performance, proactively identifying and resolving performance bottlenecks
• Troubleshoot and resolve system issues by analyzing logs, dumps, abends, and database errors
• Support IMS utilities, backup/recovery processes, and disaster recovery testing
• Ensure seamless integration with z/OS, DB2, MQ, CICS, TCP/IP, and Sysplex environments
• Implement and follow ITIL/ServiceNow change management processes for all system updates
• Maintain accurate technical documentation and system configurations

Mainframe Programmer

Administration

• Manage and support DB2 for z/OS subsystems in a mission-critical enterprise environment
• Install, configure, and maintain DB2 for z/OS subsystems
• Perform version upgrades, patching (PTFs/APARs), and system maintenance
• Manage subsystem configuration and initialization parameters
• Maintain core DB2 components: ZPARMs (DSNZPARM), Buffer pools, Logs and BSDS, Catalog and directory
• Monitor and tune DB2 system-level performance (CPU, memory, I/O)
• Optimize: Buffer pools, Locking and concurrency, Thread and connection performance
• Support capacity planning and performance analysis using DB2 and system tools
• Manage and support DB2 Data Sharing environments (Sysplex)
• Ensure DB2 availability and resilience through DR strategies
• Analyze and resolve subsystem failures, connectivity issues affecting DB2 operations
• Perform root cause analysis and implement preventive actions
• Support interaction with: Batch (JCL), CICS, IMS, MQ and distributed systems

Mainframe Administrator

Consultant

• Design, develop, and maintain database solutions for security reference data, corporate actions, entitlement processing, and fund accounting needs
• Develop, debug, and performance-tune complex Oracle PL/SQL stored procedures, packages, and functions
• Work with Eagle Reference Data Center (RDC), Eagle Automation Center, and Eagle product components
• Model and maintain Eagle database tables aligned with downstream data consumption requirements
• Build scalable data ingestion pipelines and transformation workflows
• Perform production troubleshooting, root-cause analysis, and performance optimization
• Create technical specifications, test plans, test data, and execute testing activities
• Collaborate with business, operations, and technology teams in an Agile environment

Oracle PL SQL Consultant

ServiceNow

• Develop, configure, and customize ServiceNow applications
• Collaborate with Agile teams during sprint planning
• Maintain technical documentation

ServiceNow Platform Developer

Cloud Engineer

• Design and develop scalable backend solutions on AWS.
• Modernize ETL workflows into event-driven streaming architectures using Kafka and AWS services.
• Build reusable APIs, backend components, and MVP user stories.
• Participate in backlog grooming, story mapping, technical design, and solution architecture.
• Develop across multiple application tiers, including APIs, databases, and cloud services.
• Leverage DevOps CI/CD pipelines for automated build and deployment using Terraform, Concourse, and Jenkins.
• Work in an Agile XP environment with pair programming and Test-Driven Development (TDD).
• Collaborate closely with client teams, providing technical guidance, mentoring, troubleshooting, and knowledge transfer.
• Break down complex technical challenges into manageable development tasks while maintaining high-quality deliverables.

AWS Backend Engineer

• Work as a Senior Mainframe Programmer for IPolarity LLC
• Engage in IT solution, application development, application maintenance, testing services, and systems integration
• Collaborate with clients in key industry verticals to provide strategic solutions

Senior Mainframe Programmer

Full-stack Engineer

• Design, develop, and maintain scalable, secure, and high-performance enterprise applications using Java 17+ and Spring Boot 3.3.x.
• Develop, enhance, and support RESTful APIs and microservices following modern architectural best practices.
• Build and optimize data persistence layers using JPA/Hibernate with both relational and NoSQL databases.
• Design and implement event-driven solutions using Kafka and enterprise messaging (MQ).
• Develop cloud-ready applications and containerize services using Docker.
• Build responsive, user-friendly web applications using Angular 17+/19+ and modern TypeScript.
• Collaborate with cross-functional teams to ensure seamless integration between frontend, backend, and third-party systems.
• Participate in application architecture, technical design, and technology selection discussions.
• Write clean, maintainable, secure, and scalable code following enterprise development standards.
• Manage source code using Git and contribute to CI/CD automation pipelines.
• Perform code reviews, unit testing, integration testing, debugging, and performance tuning.
• Troubleshoot production issues and provide timely resolutions.
• Work closely with business stakeholders, architects, QA teams, and product owners throughout the SDLC.
• Support Agile ceremonies including sprint planning, backlog grooming, and retrospectives.

Senior Full Stack Developer

• Design, develop, and maintain applications using Mendix
• Collaborate with cross-functional teams to deliver new features
• Ensure application performance, quality, and responsiveness
• Maintain code quality, organization, and automation
• Participate in code reviews and contribute to best practices
• Stay current with the latest Mendix platform updates