I am a highly analytical and versatile professional with expertise in data analytics, computer science, international relations, and financial risk management. My six years of banking experience, combined with advanced training in machine learning, compliance, and policy analysis, helps me turn complex data into actionable insights. I am proficient in Python, SQL, and statistical modelling, and I have a proven ability to deliver insights that support justice policy, offender risk management, and digital transformation within the Ministry of Justice.

Amarachi Victoria Okoronkwo

I am a highly analytical and versatile professional with expertise in data analytics, computer science, international relations, and financial risk management. My six years of banking experience, combined with advanced training in machine learning, compliance, and policy analysis, helps me turn complex data into actionable insights. I am proficient in Python, SQL, and statistical modelling, and I have a proven ability to deliver insights that support justice policy, offender risk management, and digital transformation within the Ministry of Justice.

Available to hire

I am a highly analytical and versatile professional with expertise in data analytics, computer science, international relations, and financial risk management. My six years of banking experience, combined with advanced training in machine learning, compliance, and policy analysis, helps me turn complex data into actionable insights.

I am proficient in Python, SQL, and statistical modelling, and I have a proven ability to deliver insights that support justice policy, offender risk management, and digital transformation within the Ministry of Justice.

See more

Experience Level

Expert
Expert
Expert

Language

English
Fluent

Work Experience

Ware House Operative at Ideal Recruit
November 1, 2025 - December 11, 2025
Warehouse operative responsible for receiving, storage, order picking, and stock control at Quay Business Centre.
Cash Officer at Zenith Bank Plc, Jibowu Branch, Lagos
October 1, 2024 - October 1, 2025
Oversaw cash operations, reconciliations, and compliance with financial regulations; promoted from Assistant Cash Officer for strong risk management.
Assistant Cash Officer / Teller at Zenith Bank Plc, Lagos
May 1, 2023 - September 1, 2024
Managed teller operations and customer transactions; supported compliance audits and fraud detection processes.
Teller at Zenith Bank Plc, Oke-Arin 2 Branch, Lagos
August 1, 2021 - April 1, 2023
Carried out teller duties and supported branch cash handling and customer service.
Digital Product Sales Executive at First Bank Plc (via Whyte Cleon Ltd), Lagos
June 1, 2021 - August 1, 2021
Promoted digital product sales; contributed to sales targets and customer outreach.
Sales Representative at Multipro Consumer Product Ltd (Kimberly Clark’s Huggies), Enugu
March 1, 2021 - June 1, 2021
Led product demonstrations, field sales, and customer engagement.
Relief Teller at Access Bank Plc, UNN Branch
December 1, 2020 - March 1, 2021
Temporary teller providing banking services and cash handling during staffing gaps.
Direct Sales Agent at United Bank for Africa (via SOL), Lagos
September 1, 2019 - November 1, 2020
Direct sales agent responsible for account opening, customer onboarding, and product promotion.
Digital Champion (Internship) at United Bank for Africa, Lagos
April 1, 2019 - September 1, 2019
Intern in digital banking initiatives, supporting customer onboarding and service delivery.
Customer Service Agent at Airtel Networks Ltd, Ogbomoso
June 1, 2017 - June 1, 2018
Provided customer support, sales assistance, and service resolution.
Teacher (Civic Education, Government, English) at Olufon Comprehensive Secondary School, Osun State
May 1, 2016 - April 1, 2017
Taught Civic Education, Government, and English during NYSC placement.

Education

MSc Computer Science (Data Analytics) at Edge Hill University
January 1, 2025 - January 19, 2026
MSc International Relations (Distinction) at University of Nigeria, Nsukka
January 1, 2021 - January 1, 2021
BSc Political Science (Second Class Upper) at University of Nigeria, Nsukka
January 1, 2016 - January 1, 2016
ICAN Foundation Certificate at Institute of Chartered Accountants of Nigeria
January 11, 2030 - January 19, 2026

Qualifications

Project Management Professional
January 1, 2017 - January 19, 2026
Computer Proficiency
January 1, 2017 - January 19, 2026
NYSC Discharge
January 1, 2017 - January 19, 2026
NECO
January 1, 2011 - January 19, 2026
WAEC
January 1, 2011 - January 19, 2026
First School Leaving Certificate
January 1, 2006 - January 19, 2026
ICAN Foundation Certificate
January 11, 2030 - January 19, 2026

Industry Experience

Financial Services, Government, Education, Professional Services, Software & Internet
    paper THE MACHINES WE TRUST

    You enter a world where cash never sleeps.
    Where machines stand guard at banking halls, markets, campuses, and street corners.
    Where reliability is survival — and failure is chaos.

    This project explores two ATM systems I worked with as a cash officer:
    the Wincor Nixdorf ProCash Series and the Diebold Nixdorf DN Series.
    Two machines. Two eras. One story of transition.

    → Continue to Hardware

    HARDWARE

    The ProCash machines were rugged and familiar.
    Old processors. Stiff touchscreens. Limited deposit options.
    They worked until they didn’t. And when they failed, everything stopped.

    The DN Series felt like a leap forward.
    Faster processors. Smooth multi-touch screens. Bulk deposits.
    Sensors that warned us before faults happened.
    Queues moved faster. Downtime dropped. Customers noticed.

    → Explore Software
    → Return to Start

    SOFTWARE

    ProCash ran on ageing Windows XP and Windows 7 systems.
    Updates required physical visits.
    Fraud detection was basic.
    If something went wrong, we often discovered it too late.

    DN’s Vynamic software changed the rhythm of our work.
    Remote updates.
    Real‑time monitoring.
    Analytics that flagged suspicious behaviour before it became a problem.
    For the first time, the machine felt alive — aware.

    → Explore Security
    → Return to Start

    SECURITY

    ProCash carried the vulnerabilities of its time:
    outdated encryption, unpatched kernels, and exposed USB ports.
    Attackers knew these weaknesses well.

    DN introduced layered protection:
    anti‑skimming readers, encrypted PIN pads, biometrics, anomaly detection.
    I once handled a ProCash unit that had been skimmed.
    After the switch to DN, the difference was unmistakable.
    The machine fought back.

    → Explore Reliability
    → Return to Start

    RELIABILITY

    ProCash was sturdy but reactive.
    When it jammed, we rushed.
    When it froze, we waited.
    When it failed, customers queued in frustration.

    DN was proactive.
    Predictive maintenance.
    Modular parts.
    Remote diagnostics.
    In high‑traffic locations like university campuses, the improvement was dramatic.
    Fewer calls. Faster recovery. Happier customers.

    → Continue to Conclusion
    → Return to Start

    CONCLUSION

    ProCash still has a place in low‑risk, cost‑sensitive environments.
    But its architecture is ageing, and the world is moving faster.

    The DN Series is built for modern banking.
    secure, intelligent, adaptable, and ready for the threats of today.

    This project reflects what I learned on the front lines of ATM operations:
    Technology evolves, and banks must evolve with it.
    The machines we trust shape the experiences of millions.
    Choosing the right one is more than a technical decision —
    It’s a promise of reliability.