Olanrewaju Ogunseye
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Olanrewaju Ogunseye Email & Phone Number

Lead Architect, Digital Banking and Fintech Solutions at SystemSpecs
Location: Lagos State, Nigeria 5 work roles 2 schools
1 work email found @systemspecs.com.ng LinkedIn matched
✓ Verified August 2026 4 data sources Profile completeness 100%

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Work email o****@systemspecs.com.ng
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Current company
Role
Lead Architect, Digital Banking and Fintech Solutions
Location
Lagos State, Nigeria
Company size

Who is Olanrewaju Ogunseye? Overview

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Quick answer

Olanrewaju Ogunseye is listed as Lead Architect, Digital Banking and Fintech Solutions at SystemSpecs, a with 276 employees, based in Lagos State, Nigeria. AeroLeads shows a work email signal at systemspecs.com.ng and a matched LinkedIn profile for Olanrewaju Ogunseye.

Olanrewaju Ogunseye previously worked as Team Lead, Cognitive Technology, AI and RPA at Ecobank Transnational Incorporated and Senior Java Developer at Systemspecs. Olanrewaju Ogunseye holds Master Of Information Technology, Computer Science from University Of Lagos.

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Email format at SystemSpecs

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{last}@systemspecs.com.ng
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Profile bio

About Olanrewaju Ogunseye

Software Developer with 12+ years of experience developing effective software and engineering solutions across the telecommunications, financial services, VAS, and Automation . Excellent at Process design, testing and implementation, with a proven track record of delivering solid coding and trustworthy software programs. Proven mastery of People management skills across organizational levels and with cross functional teams to drive shared vision and foster a culture of excellence.Areas of Expertise include:- Java tools and frameworks (Spring),Dot Net Development, Product Launch, Business process mapping- REST API, MVC Patterns, SOAP - Oracle, SQL Server, MySQL,PostgreSQL- Team Management, Compliance and Quality tracking,- HTML5, CSS3, Boostrap- Service Oriented Architecture- JavaScript, JQuery, JPA, Hibernate, Mobile Application- JIRA, GitLab, Subversion, Unit TestMy background includes successfully creating software programs to supports business processes as well as implementing innovative solutions to meet customer requirements. I possess excellent abilities Coding, Web development, Quality Assurance testing and Team Leadership. Additionally, my established success in building and managing key client relationships positions me to make a significant contribution to your organization.The following achievements demonstrate my qualification;• Development of Banks OTP Service on Remita for 2 factor authentication.• Integration of 3rd party payment systems to Remita . (InterSwitch, Unified Payment, Internet Banking,Pocket Money)• Development of APIs for Collection monitoring for the Central Bank of Nigeria(CBN)• Development of Recurrent Billing Micro System (RenMoney, PageMFB)• Development of Value Added Service (VAS) Micro Service for Airtime Vending, PayTV, Data, Movie Tickets, Flight Booking Services.• Development of customize ESB solution for orchestrating various services.

Listed skills include Java, .Net, C++ Language, Asp.Net, and 44 others.

Current workplace

Olanrewaju Ogunseye's current company

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SystemSpecs
Systemspecs
Lead Architect, Digital Banking and Fintech Solutions
Employees
276
AeroLeads page
5 roles

Olanrewaju Ogunseye work experience

A career timeline built from the work history available for this profile.

Lead Architect, Digital Banking And Fintech Solutions

Current

Lagos State, Nigeria

• Lead and own the development and implementation of architecture strategy and standard.• Delivery of Digital and Software platforms for integrating with Core Banking Application• Collaborated with engineers and software developers to select appropriate design solutions and ensured compatibility of system components• Oversee Application Performance and Scaling • Application Support and Transaction / Resource monitoring• Ensure Application Security features

Jun 2020 - Present

Team Lead, Cognitive Technology, Ai And Rpa

Nigeria

• Predictive Analytics for customer experience and engagement• Credit Risk Modeling - Loan predictive system• Agile Coach• RPA and Data Analytics• Procured and deployed Private Cloud infrastructure based on IBM Cloud Private (ICP)- Development of Machine learning and Deep Learning predictive models for Cognitive Banking- Natural language processing of consumer text and speeches- Cloud Data center consulting, design and architecture

Oct 2019 - Jun 2020

Senior Java Developer

4Th- 8Th Floors, 136 Lewis Street, Lagos

• Contribute to continuous improvement of software development best practices in the areas of coding tools, languages and APIs.• Contributed to large scale application development, working on middle-tier and back-end systems.• Implemented spring service layer with dependency wiring, transaction, DAO and annotations.• Participated in user requirements gathering, project planning, design, implementation and testing.• Resolved customer issues working with the Support team. This included logging into their onsite Advance installation.• Developed custom API's to provide data (JSON) over HTTP to the mobile team.• Interfaced with 3rd party applications and services, utilized custom in-house and off-the-shelf controls.• Resolved internal and external defects.• Developed and implemented multiple enterprise-level business solutions• Involved in documentation, review, analysis and fixed post production issues• Create REST services (APIs) keeping micro services design pattern in mind.• Interfacing with clients to understand the business requirements.• Unit test mocking framework(s)• Source Control: Subversion (SVN), and GIT.• Research, design, build and maintain efficient, reusable, and reliable code.• Use application performance monitoring tools effectively.• Coordinate with QA team to ensure quality development of software.• Integration of Remita Payment Module with eCommerce Systems.• Troubleshoot and resolve application issues in production and in our development environment.• Manage 3rd party integrators.• Design and implement a multi-device, modern JavaScript/HTML5/CSS platform.• Conduct User Acceptance Test (UAT)• Integration of OTP Service with Banks.• Provides Support for Integrating Bank partners.• Provide Technical Support.

Apr 2014 - Sep 2019

Business Appliaction Development

Boyle Street, Onikan Lagos

• Development of Oracle Packages, procedures, functions and shell Unix scripting• Integration of PLSQL with external systems( call to http, Java Servlet, RIM, Telecom Charging system,Flex cube)• Team lean Etisalat Project Eagle for rapid market ready solution • USSD , MT and MO SMS implementation• Voice SMS implementation• Performed systems analysis and management, provided systems support• Workflow integration with GTB MPR • Designed and improved workflow procedures• Designed and orchestration and implementation of the Etisalat Enhances BlackBerry Service• Interfacing Project with Web services (OCS),IPCC, SMTP,RIM,TABS• Development of Enterprise Applications for Access bank, Etisalat Nigeria• Conducted staff training and needs analysis• Upgrade and maintenance of Customer Data Master System (CDMS) for Accessbank to streamline data generation and information updates for fraud detection and prevention.

Dec 2011 - Mar 2014

Assistance Chief Technical Officer

Primetech Global Services Nigeria

7 Harper Cresent Wuse Zone 7 Abuja

• Oversee major application development initiatives from inception through to deployment.• Lead architecture and design of applications with fellow database and application developers.• Confer with clients and users to gather requirements and determine operational requirements.• Co-ordinate application testing and deployment with the testing and operations groups.• Document, track and report progress and performance of team members to management.• Responsible for the technical mentoring team members who are planning, scheduling and tracking of programming tasks against the group’s resources.• Provide supplemental database design and development activities.• Coordinate with consultants as required.• Work with the Technical Writer to help guide the preparation and deliver application documentation.• Determine and implement required scheduling and testing mile stones to be used by team members for the development of these applications

Nov 2007 - Mar 2011
Team & coworkers

Colleagues at SystemSpecs

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2 education records

Olanrewaju Ogunseye education

Bachelor Of Science (B.Sc.), Mathematics And Computer Science

University Of Agriculture Abeokuta

Activities and Societies: Aisec

FAQ

Frequently asked questions about Olanrewaju Ogunseye

Quick answers generated from the profile data available on this page.

What company does Olanrewaju Ogunseye work for?

Olanrewaju Ogunseye works for SystemSpecs.

What is Olanrewaju Ogunseye's role at SystemSpecs?

Olanrewaju Ogunseye is listed as Lead Architect, Digital Banking and Fintech Solutions at SystemSpecs.

What is Olanrewaju Ogunseye's email address?

AeroLeads has found 1 work email signal at @systemspecs.com.ng for Olanrewaju Ogunseye at SystemSpecs.

Where is Olanrewaju Ogunseye based?

Olanrewaju Ogunseye is based in Lagos State, Nigeria while working with SystemSpecs.

What companies has Olanrewaju Ogunseye worked for?

Olanrewaju Ogunseye has worked for Systemspecs, Ecobank Transnational Incorporated, Bluechip Technologies Nigeria, and Primetech Global Services Nigeria.

Who are Olanrewaju Ogunseye's colleagues at SystemSpecs?

Olanrewaju Ogunseye's colleagues at SystemSpecs include Oluwaseyi Siwoku, Ayodeji Olayemi, Itoro Udeme Silas, Hillary Ezediunor, and Edosa Adesuwa.

How can I contact Olanrewaju Ogunseye?

You can use AeroLeads to view verified contact signals for Olanrewaju Ogunseye at SystemSpecs, including work email, phone, and LinkedIn data when available.

What schools did Olanrewaju Ogunseye attend?

Olanrewaju Ogunseye holds Master Of Information Technology, Computer Science from University Of Lagos.

What skills is Olanrewaju Ogunseye known for?

Olanrewaju Ogunseye is listed with skills including Java, .Net, C++ Language, Asp.Net, J2Ee Application Development, Android, Blackberry, and Objective C.

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