Senior Mainframe COBOL Developer / Technical Lead - Onsite

We are looking for a Senior Mainframe Developer / Technical Lead to provide technical leadership for enterprise mainframe applications supporting high-volume, mission-critical transaction processing. This role combines hands-on development, solution architecture, mentoring, and platform modernization to deliver reliable, scalable solutions that support key business initiatives. Job Responsibilities Include: Lead the design, development, and support of enterprise mainframe applications. Provide technical leadership and mentor developers while promoting engineering best practices. Design and maintain scalable architecture for high-volume, data-intensive systems. Establish and enforce development standards, code quality, and technical direction. Evaluate existing applications and recommend enhancements to improve performance, scalability, and reliability. Partner with Infrastructure and Operations teams to plan upgrades, optimize system performance, and resolve production issues. Collaborate with business and technical stakeholders to deliver innovative solutions and improve customer experience. Participate in architecture reviews, code reviews, unit testing, production support, and troubleshooting. Identify technical risks, recommend solutions, and drive continuous improvement initiatives.

Basic Qualifications 8+ years of experience developing enterprise applications using COBOL, DB2, VSAM, and JCL. 5+ years of experience with CICS, including knowledge of Dynamic Transaction Routing. 5+ years of experience with DB2 utilities, File-AID, scheduling tools, and debugging tools. Preferred Skills: Strong understanding of distributed applications and systems integration. Experience supporting high-volume, fault-tolerant, mission-critical systems. Proven ability to troubleshoot complex production issues and optimize application performance. Strong analytical and problem-solving skills with the ability to identify risks and implement effective solutions. Experience leading technical initiatives and mentoring development teams. Excellent communication and collaboration skills with technical and business stakeholders. Ability to manage multiple priorities and deliver results in a fast-paced environment. Experience within Brokerage, Capital Markets, Banking, or Financial Services. Experience with platform modernization and performance optimization initiatives. Experience working with geographically distributed Agile teams. What You'll Bring Strong technical leadership with a hands-on development approach. Expertise in designing and supporting scalable enterprise mainframe applications. A passion for mentoring engineers and driving technical excellence. A continuous improvement mindset with a focus on quality, reliability, and operational excellence.