Amit Singh
Toronto,ON
Summary
Detail-oriented application developer with 12 years of diverse technical experience in mainframe & HPE Non-Stop (Tandem) technologies, across US Healthcare & European banking domains. Proven ability to develop & support complex multi-platform mainframe applications, with 7+ years of experience in maintaining credit & debit card mainframe batch for leading banks in Dublin, Ireland. Seasoned in software development (Waterfall & Agile methodologies), mainframe codebase management, Level-2 customer support, end-to-end delivery, incident & change management. Well-versed in banking payment networks' (Visa, MasterCard, etc.) enhancement releases compliance & mandates management.
Overview
12
12
years of professional experience
Work History
Application Developer
JP Morgan Chase & Co
06.2021 - 07.2023
- Conducted end to end root-cause/impact analysis, coding, testing, optimization & debugging of mainframe applications for credit & debit card processing with focus on integrating half-yearly & off-cycle payment network (Visa, MasterCard, Discover, etc.) compliance mandates for credit/debit authorizations.
- Resolved 40 card authorization declines by analyzing credit card processing codebase & client's setups, referencing card brand specs & coordinating resolution by collaborating with multi-platform teams, reducing recurring incidents and boosting approval rates by 3% to 8%
- Demonstrated effective teamwork by leading 17-member cross-geographic team (APAC, EMEA, NAMR) in assessing 65 major credit & debit card authorization disruptions which included quantifying impacted client's, transactional, financial & reconciliation impacts, ensuring comprehensive reporting within 24-hour SLA
- Planning & executing team's knowledge management (KM) activities on Confluence & Service NOW (SNOW) and conducted monthly training sessions for 6 Level-1 Support team members leading to decrease in - 23 tickets per month over a span of 19 months
- Monitored client's credit & debit card acceptance/denial rates, trend analysis, merchant Go-Live activities, incident & change management & showcasing judgement in prioritizing client disruptions
Technology Analyst
Allied Irish Banks
10.2015 - 05.2021
- Performed impact analysis, requirement gathering, design, coding, code review, testing, performance tuning analysis & debugging, liaising with quality assurance team for client's mainframe applications related to credit & debit card processing. Provided weekend on - call support for go-live activities.
- Leveraged technical skills to design, code, test & debug mainframe application for new credit & debit card production, card renewal, processing lost or stolen cards & conducted remediation activities involving root cause analysis, performance tuning for incident resolutions.
- Lead 3-member team for integrating 08 half-yearly releases April/Oct and 30 minor off-release enhancements from leading payment networks (Visa, MasterCard, American Express, etc.) into client's existing mainframe code for acquiring ATM (automated teller machine) transactions
- Conducted 17 KM sessions in 2020-21, on client's clearing of acquired ATM transactions as part of new joiners' onboarding & knowledge sharing for client's higher management
- Demonstrated leadership, autonomy by leading a 3-member team to innovate, brainstorm, design & launch quarterly credit & debit authorizations newsletter, showcasing shared vision & team's adherence to critical KPIs to a readership of 130 members
- Participated in numerous weekly Change Advisory Board (CAB) meetings, conducted change management reviews, supported & validated weekend implementations
Systems Engineer
Aetna Inc
08.2011 - 10.2015
- Managed ETL processing for mainframe applications maintaining demographic data of health insurance client's, including impact analysis, coding, testing, debugging & deployment. Excelled as a Configuration Controller & Business Analyst in high-priority situations.
- Prepare designing specifications, coding, testing of new customer enrollment changes to client's mainframe application as part of The Affordable Care Act/Health Care Reform (Obama Care) for inclusion of pre-existing condition & federal poverty level indicators in member enrollment data.
- Designed straightforward approach for reducing API calls in client's legacy claims adjudication area, leading in reduction of - 1000 MIPS (million instructions per second) during peak hour resulting in $2 million savings over span of 2 years
- Led a team of 4 members for development, testing & implementation of new online platform for enrolling
- Medicare members which encompassed building 8 C.I.C.S screens (mainframe green screens) coupled with complex mainframe TSQ, TDQ queuing techniques.
- Undertook the role of a Business Analyst on an ad hoc basis, ensuring timely base lining of Business Requirement Document and User Interface (UI) design of - 30 user interfaces
Education
Bachelor of Technology - Information Technology
Maulana Abul Kalam Azad University of Technology
Kolkata, West Bengal06.2011
Skills
- Z/OS, COBOL, CICS, IBM DB2, JCL, Syncsort & Synctool, PL/I, REXX, Easytrieve, Xpeditor, Fileaid, Endevor, Control-M
- IBM WebSphere MQ, SQL, VSAM, Message Queues, TSQ, TDQ, Channels & Containers
- Splunk, Dashboards & queries, Prognosis by IR, Geneos by ITRS, MOMI, Toad for Oracle, Visa Edit Package
- Atlassian Confluence, JIRA, Service Now, Remedy
- Piktochart, MS PowerPoint, MS Publisher, Canva
Languages
English
Full Professional
Hindi
Native or Bilingual
Timeline
Application Developer
JP Morgan Chase & Co
06.2021 - 07.2023
Technology Analyst
Allied Irish Banks
10.2015 - 05.2021
Systems Engineer
Aetna Inc
08.2011 - 10.2015
Bachelor of Technology - Information Technology
Maulana Abul Kalam Azad University of Technology
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