Okeowo Aderemi

Senior Software Engineer / Full-stack Developer

Lagos, NG.

About

Seasoned Senior Software Engineer with over 10 years of experience across fintech, digital payments, full‑stack development, no‑code/low‑code platforms, and technical mentorship. Founder of Retani Consults and a top‑rated freelance Chrome Extension developer on Upwork, with a strong track record across global companies and independent consulting.

Work

Retani Consults

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Founder / Senior Full‑stack Engineer

Lagos, Lagos, Nigeria

Summary

Founded and led independent technology consultancy delivering fintech, platform integrations, and custom software solutions globally, including Shopify and HubSpot integrations.

Highlights

Built enterprise-grade fintech solutions such as mobile banking apps at Interswitch prior to consultancy

Delivered Shopify theme frameworks and HubSpot integrations across three continents

Operated as Top‑Rated freelancer on Upwork specializing in Chrome Extensions and no‑code/low‑code platforms

Scratch Financial

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Software Engineer

United States, , US

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Summary

Contributed as Software Engineer at Scratch Financial, a financial services fintech startup.

Andela

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Senior Consultant

Remote/Various, , US

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Summary

Contracted with Andela partners to integrate with various engineering teams, conduct interviews, and review promotions.

Highlights

Collaborated across diverse partner teams

Mentored and evaluated entry‑level developers

OLI Systems

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Software Engineer

Parsippany, New Jersey, US

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Summary

Developed enterprise-grade single‑page applications, portals and mobile banking tools using React, Spring Boot, T‑SQL and microservices.

Highlights

Built SPA enterprise portals

Engineered fintech solutions for banking platforms

AppRiver

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Software Developer

Gulf Breeze, Florida, US

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Summary

Contributed to software development in IT services and cloud‑based email security solutions.

Interswitch Group

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Software Engineer

Lagos, Lagos, Nigeria

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Summary

Developed mobile banking applications and systems that enabled agency banking and increased access to financial services in Nigeria.

Highlights

Developed mobile banking app used by over one million previously unbanked Nigerians

Leaps and Bounds Partners Limited

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Senior Moodle Developer

Lagos, Lagos, Nigeria

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Summary

Installed and administered Moodle LMS, implemented course templates and managed participant registration.

Linkeo

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PHP Web Developer Intern

Paris, Île‑de‑France, France

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Summary

Built and debugged customer‑facing PHP applications using XDebug and IDE frameworks.

Volunteer

Facilitator

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Co‑creation Hub Nigeria (CcHub)

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Facilitated Women R.I.S.E initiative to empower female tech entrepreneurs in web development best practices.

Education

Middlesex University

London, England, United Kingdom of Great Britain and Northern Ireland
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Bachelor of Science Business Information Systems Grade: 1st Class

Aptech Computer Education

Dhaka Division, Dhaka Division, Bangladesh
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Software Engineering

Babcock University

Ilishan, Ogun, Nigeria
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Bachelor of Science Business Administration and Management

Skills

Full‑stack Development

JavaScript, TypeScript, React, Spring Boot, API, Java, PHP.

No‑code / Low‑code Platforms

Airtable, Make.com (Integromat), Zapier.

Chrome Extension Development

JavaScript, Browser Extensions.

Fintech & Digital Payments

Mobile Banking, Stripe, Agency Banking.

Platform Integrations

Shopify, HubSpot.