Senior Lead DeveloperLocation: Duluth, GA (Onsite) Duration: Long-termThe Senior Lead Developer will be responsible for delivering high quality solutions within a mainframe environment while supporting evolving technological needs. This role focuses primarily on mainframe application development, integration, and operational excellence, with a preference for candidates who also bring exposure to modern development stacks. The ideal candidate is comfortable working across legacy and contemporary systems, ensuring reliability, security, and continuous improvement.Responsibilities & QualificationsDuties and Responsibilities:Designs, codes, unit tests, debugs, and implements complex solutions across financial systems using approved tools and technologies, including legacy mainframe platforms and modern development stacks (e.g., Python, Pega, distributed services, etc).Owns complex coding efforts, technical designs, and technical decision-making for high-risk or high-impact work.Produces technical specifications, flow diagrams, and proof-of-concepts to evaluate solution options and technical feasibility.Ensures source control, build, and deployment activities follow established standards and approved processes.Provides selective technical review for critical or high-risk work items, to ensure compliance with SDLC, secure coding, performance, and financial control standards.Serves as a technical escalation point for complex production and delivery issues, conducting root-cause analysis and recommending corrective actions.Participates in on-call production support rotations as required, focusing on issues exceeding routine support capabilities.Mentors onshore/offshore developers by providing technical guidance and knowledge transfer.Partners with the Offshore Liaison to clarify requirements, resolve technical issues, and reinforce standard development and documentation practices.Reviews selected deliverables to ensure alignment with approved designs and business requirementsActs as a technical authority across all financial systems, maintaining deep knowledge of cross-application behavior, data flows, integrations and processing dependencies.Serves as the primary point of consultation for complex functional or technical questions related to financial systems, including impacts across upstream and downstream applications.Provides guidance during project planning, issue resolution, audits and modernization efforts by evaluating system-wide implications and risks.Maintains accurate technical documentation and operational proceduresIdentifies recurring issues, support trends, and operational inefficiencies through incident analysis, and production metrics.Escalates high-risk or aging work with documented impact and recommendations.Partners with the Team Leader propose technical, process, or tooling improvements that improve delivery efficiency and reduce operational risk while maintaining system stability.Protects the company’s authority to do business by complying with legal and ethical standards, policies and proceduresFollows all applicable Information Technology Management PoliciesSupports audit and compliance activities by ensuring technical artifacts, change records, and system documentation are complete, accurate, and aligned with SDLC and change management requirements.Required Education: Bachelor's degree or equivalent experienceRequired Skills:Strong hands-on experience with: COBOL, JCL, SQL (DB2 or equivalent), VSAM, CICS, TSO/ISPF, z/OS Unix System Services (USS).A solid understanding of mainframe architecture, batch/job scheduling, and performance tuning.Self-motivated with excellent verbal and written communication skills, and excellent interpersonal skills with the ability to work well with peers and managementAdvanced knowledge of enterprise financial systems and application support within regulated or audit driven environmentsStrong understanding of secure coding practices, SDLC, change management, and audit friendly development standardsIn depth knowledge of mainframe application development concepts, including batch processing, online transaction processing, and data integrationWorking knowledge of financial transaction processing and system dependencies across upstream and downstream applicationsExpert level analytical and problem solving skills for diagnosing and resolving complex, high impact production and delivery issuesStrong hands on development and debugging skills using mainframe technologies such as COBOL, JCL, SQL (DB2 or equivalent), VSAM, CICS, and TSO/ISPFAbility to perform technical reviews, assess risk, and evaluate solution design for performance, reliability, and complianceEffective written and verbal communication skills to convey complex technical concepts to technical and non technical stakeholdersAbility to work independently with limited direction while keeping leadership informed of progress, risks, and issuesAbility to prioritize and balance development work, technical review, and escalation support in a fast paced environmentAbility to collaborate effectively across onshore and offshore teamsAbility to maintain focus on quality, stability, and compliance while supporting evolving technology needsMVS, z/OS, JCL; debug tools e.g.