Adeshina Olayinka

Results-driven and detail-oriented professional with experience spanning finance operations, customer service, data analytics, Lab and ECG procedures, and administrative support. Skilled in invoice processing, account reconciliation, customer relationship management, and data reporting, with proven ability to deliver accurate and timely results in fast-paced environments. Demonstrates strong analytical, communication, and problem-solving abilities with proficiency in Microsoft Excel, data visualization, and customer support operations.

Adept at collaborating with cross-functional teams to improve operational efficiency, enhance customer satisfaction, and support business objectives. Passionate about continuous learning, process improvement, and delivering high-quality service.

Finance Officer - 21st Century Konetpay

(2022-07 - 2026-02)

In this role, my key responsibilities includes to;

• Prepare, review, and issue customer invoices accurately and within agreed timelines.
• Ensure compliance with customer-defined Service Level Agreements (SLAs) while maintaining high service standards.
• Respond promptly to customer and internal enquiries relating to invoices, payments, reconciliations, and account balances.
• Reconcile customer accounts and monitor outstanding receivables to support timely collections.
• Collaborate with internal teams to resolve billing discrepancies and improve customer satisfaction.
• Support process improvement initiatives aimed at enhancing billing accuracy, efficiency, and financial reporting processes.
• Maintain accurate financial records and documentation in line with company policies and procedures.
• Improved invoice processing efficiency through timely preparation and follow-up of customer invoices.
• Contributed to faster resolution of billing and payment issues, enhancing customer satisfaction.
• Supported the reduction of outstanding receivables through effective account reconciliation and payment follow-up.
• Assisted in streamlining finance and billing processes to improve operational accuracy and efficiency.

Customer Service Consultant - Keystone Bank – Contact Centre

(2025-05 - 2026-01)

• Managed inbound and outbound customer interactions across calls, emails, chats, and digital banking channels professionally and efficiently.
• Provided customers with accurate information and support on banking products and services including accounts, cards, loans, mobile banking, internet banking, and transactions.
• Resolved customer complaints and service issues within established Service Level Agreements (SLAs).
• Escalated complex customer issues to relevant departments while ensuring proper follow-up and resolution.
• Conducted customer verification and authentication in compliance with banking security policies and regulatory requirements.
• Maintained high standards of customer experience, professionalism, and confidentiality.
• Supported customer retention by delivering prompt and solution-oriented service.
• Successfully handled high volumes of customer enquiries while maintaining service quality standards.
• Achieved timely resolution of customer complaints, contributing to improved customer experience.
• Maintained compliance with bank security and verification procedures with minimal escalation issues.
• Recognized for professionalism, effective communication, and strong problem-solving abilities.

Data Analyst Intern - Torilo Academy

(2024-03 - 2024-05)

In this role as a member of the finance team, I;

• Analyzed sales data using Microsoft Excel to generate actionable business insights and performance reports.
• Utilized pivot tables, charts, and data visualization techniques to produce accurate analytical reports.
• Developed connecting tables and automated reporting structures for a sales summary dashboard.
• Configured slicers and dashboard connections to enhance report interactivity and usability.
• Improved data presentation and reporting accuracy to support business decision-making.

Administrative Assistant / Physiologist - Ikorodu General Hospital

(2022-11 - 2023-12)

In this role as a member of the finance team, I;

• Organized and maintained both digital and physical records to support efficient administrative operations.
• Assisted in preparing reports, presentations, and other administrative documentation.
• Conducted Electrocardiogram (ECG) procedures and supported patient diagnostic processes.
• Assisted in the preparation and reporting of echocardiography results.
• Provided administrative and operational support to healthcare professionals and departments.
• Maintained professionalism, confidentiality, and effective communication when interacting with patients and staff.
• Contributed to efficient patient support and administrative operations within the department.
• Maintained accurate patient records and documentation to support smooth workflow processes.
• Assisted in delivering timely diagnostic support through ECG procedures and echocardiography reporting.
• Demonstrated strong organizational and multitasking abilities in a healthcare environment.

B.Sc - Physiology - Babcock University (2022) Ogun, Nigeria