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Senior Mainframe Developer & Systems Analyst

Location:
Freehold, NJ
Posted:
June 06, 2026

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Resume:

STAN NOVOSELOV

Mainframe Developer Senior Systems Analyst

917-***-**** **********@*****.*** Freehold, NJ

PROFESSIONAL SUMMARY

Senior Mainframe Developer with 27+ years of expertise in designing, developing, and maintaining mission-critical enterprise applications for financial services, telecommunications, and government sectors. Deep technical proficiency in COBOL, CICS, DB2, and z/OS systems with proven ability to modernize legacy systems, optimize performance, and deliver robust solutions for high-volume transaction processing. Skilled in both Agile and Waterfall methodologies with extensive experience in payment systems, legacy modernization, and cross-platform integration.

CORE TECHNICAL SKILLS

Mainframe Technologies: COBOL (II, 390/LE, VSE), CICS, DB2, VSAM, JCL, TSO/ISPF, z/OS, MVS/XA

Database & Middleware: DB2 Stored Procedures, IDMS, SQL, IBM MQ Series, Oracle

Development Tools: ENDEVOR, FILE-AID, XPEDITER, INTERTEST, ABEND-AID, STROBE, CHANGEMAN, PANVALET, LIBRARIAN

Data Transfer & Integration: NDM, FTP, IBM MQ Series

Languages & Platforms: COBOL, SQL, JCL, CA-Easytrieve, Teradata SQL, BMS, HTML

Methodologies: SDLC, Agile, Waterfall, Six Sigma

Business Tools: MS Project, Excel, Access, Visio, JIRA, PowerPoint, CA-7 (job scheduling)

PROFESSIONAL EXPERIENCE

Senior Technical System Analyst – Software Developer

Brown Brothers Harriman New York, NY August 2023 – Present

Develop and maintain critical payment/funds transfer applications processing CHIPS, SWIFT (Domestic & International), and wire transactions for a global financial institution

Analyze business requirements and translate into technical specifications (BRD/FRD), ensuring compliance with regulatory standards

Design and implement COBOL/CICS/DB2 solutions integrated with distributed technologies including MQ Series and FTP

Provide production support by troubleshooting and resolving critical incidents, maintaining 99.9% system uptime

Collaborate daily with product owners and stakeholders to prioritize enhancements and align technology solutions with business objectives

Maintain comprehensive audit trail documentation for all processes ensuring regulatory compliance

Senior Technical System Analyst – Software Developer

NYC Department of Taxation Office of Information Technology Services New York, NY February 2023 – July 2023

Led legacy modernization initiative converting SWOP Bachman application from IDMS to DB2, reducing system complexity and improving performance by 30%

Analyzed legacy IDMS database structures and created detailed mapping specifications for DB2 migration

Developed and enhanced batch and CICS components using COBOL, ensuring seamless transition with zero data loss

Conducted extensive data analysis and validation to ensure data integrity throughout the conversion process

Collaborated with cross-functional teams to ensure successful deployment and user acceptance

Senior Technical System Analyst – Software Developer

Santander Bank Boston, MA February 2022 – February 2023

Implemented regulatory requirements and new features for Santander Payments HUB core system supporting FED and SWIFT payment networks

Created complex SQL queries for data analysis focusing on GFC (Global Funds Control) and ACC (online accounting) layers

Developed technical specifications and documentation (BRD, DDR) for mainframe-based Partenon platform

Managed QA processes and production implementations, monitoring defects and coordinating resolution efforts

Applied Agile and Waterfall methodologies to deliver projects on schedule while meeting compliance standards

Senior Technical System Analyst – Software Developer

Broadridge Financial Solutions Newark, NJ May 2018 – February 2022

Maintained and enhanced CAGE legacy system serving major financial clients including UBS, JPMorgan, Wells Fargo, and Citibank for trading and bookkeeping operations

Led conversion of CICS IDMS modules to CICS DB2, improving system performance and maintainability

Developed DB2 Stored Procedures for efficient data distribution across multiple applications

Created comprehensive technical documentation including TDD (Technical Design Document) and pseudo code specifications

Collaborated with development teams to ensure testability, reliability, and performance optimization

Provided system analysis and production support, resolving critical issues with minimal downtime

Senior Technical System Analyst – Software Developer

JPMorgan Chase Brooklyn, NY June 2013 – April 2018

Designed and maintained DBNK/DBIN payment application processing ACH, wire transfers, Fed wires, checks, and cash transactions

Implemented automated collection and reconciliation of cash transactions from General Ledger, Accounts Payable, and Accounts Receivable

Developed MQSeries integration to facilitate data exchange between mainframe and Java-based distributed systems

Created DB2 Stored Procedures for backend database updates and transaction processing

Followed Agile principles throughout the project lifecycle from analysis through deployment and support

Participated in DB2 data replication process for Broadridge/JPMorgan Chase integration

Senior Software Developer

Verizon Wireless Warren, NJ July 2012 – June 2013

Served as Lead Technical Analyst (LTA) for rating/billing system implementation supporting NORTH/EAST/WEST/B subsystems

Implemented and maintained DB2 data replication processes between mirror subsystems ensuring high availability

Led requirements gathering, risk assessment, and technical specifications development with business stakeholders

Designed and coded rating/billing applications using COBOL with Java distributed components

Coordinated unit, integration, and QA testing activities ensuring quality deliverables

Supervised project implementation and provided post-implementation support

Project Lead / Senior Software Developer

Bank of New York New York, NY January 2012 – July 2012

Led team of 5 developers (2 local, 3 offshore) designing and implementing CUE (Cash Utility Engine) application

Developed routing logic to process transactions between Merva, GPS, SunGard (Intellimatch), and IMMS systems

Created Technical Design Documents (TDD) and pseudo code specifications for complex mainframe applications

Implemented transaction validation rules and routing algorithms using COBOL/CICS

Managed project deliverables, code reviews, and technical mentoring for development team

Senior Software Developer

Citibank Jersey City, NJ April 2011 – November 2011

Developed and maintained FXMOS (Foreign Exchange Mid-Office System) processing FX OTC futures and options trades

Implemented automated confirmation and matching via SWIFT network for global trading locations

Designed real-time trade processing capabilities for USD-based and cross-currency transactions

Created automated rollover processing, currency conversion, and trade allocation features

Integrated with GCMS (Global Cash Management System) for trade settlements

Senior Software Developer

Verizon Wireless Warren, NJ November 2008 – April 2011

Served as Lead Technical Analyst for Customer Service Tools (CST) order processing system

Improved credit issuance accuracy for customer accounts in billing and front-end systems

Developed batch processing solutions using COBOL reducing manual intervention by 40%

Acted as Batch SME reviewing all batch processes to ensure adherence to company standards

Analyzed and resolved complex technical problems, system vulnerabilities, and access control issues

Sr. Programmer Analyst

Medco Health Solutions Somerset, NJ September 2008 – November 2008

Designed and implemented Corporate Finance Adjustments system for claims processing

Developed DCO accumulator logic for Deductible, Out of Pocket, and CAP calculations

Created process flow diagrams, topology documentation, and MQSeries integration specifications

Delivered solutions meeting customer requirements while optimizing cost and performance

Sr. Programmer Analyst

UPS Paramus, NJ September 2007 – August 2008

Developed and maintained OPLD (Origin Package Level Detail) system for customer information management

Created comprehensive process flow documentation for EMMS, MaxiShip, and Closed Loop formats

Implemented mainframe process flows and MQ Series integration

Enhanced system to accommodate new requirements and hardware/software platform changes

Lead / Sr. Programmer Analyst

UBS Financial Services Jersey City, NJ April 2000 – September 2007

Designed and implemented Lending Potential Credit Line/Loan Collateral Engine (LCE) systems

Developed integrated platform for processing RISK system updates to Guarantee/Guarantor relationships

Created CICS-based real-time update mechanisms with automatic recalculation of collateral and loan values

Implemented DB2 Stored Procedures for efficient data distribution across applications

Designed MQSeries integration for inter-system data exchange

Sr. Programmer Analyst

Morgan Stanley Jersey City, NJ October 1995 – April 2000

Developed and maintained shareholder record-keeping systems for Equity, Money Market, and Active Assets Mutual Funds

Implemented Know Your Customer System under USA Patriot Act Section requirements

Created Trader's Desk System generating DSC Daily Summary and Month End reports

Developed automated daily trade activity confirmation process to PWC for Start/DPSP Omnibus positions

Provided real-time production support resolving customer issues with immediate turnaround

EDUCATION

Bachelor of Science in Mechanical Engineering

Ukraine State University Odessa, Ukraine

KEY ACHIEVEMENTS

Successfully led legacy modernization projects converting IDMS to DB2, improving system performance and maintainability

Maintained 99.9% uptime for critical payment processing systems handling millions of transactions daily

Reduced manual processing effort by 40% through batch automation initiatives

Managed cross-functional teams delivering enterprise-scale projects for Fortune 500 financial institutions

Consistently recognized for technical expertise in troubleshooting complex mainframe issues

CERTIFICATIONS & METHODOLOGIES

SDLC (Software Development Life Cycle)

Six Sigma

Agile/Scrum

Waterfall Project Management



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