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Ekemini (Joshua) Joshua Mendie-Frontend Developer

Ekemini (Joshua) Joshua Mendie - Frontend Developer - profile avatar
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Uyo, Nigeria

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Experience

Dec 2024 - Present

Frontend Developer

Longswipe

Position Summary
Frontend Developer at Longswipe
Industries
Banking and Finance
Business Areas
Information Technology
Product Development
  • Architected and implemented the frontend of a financial services platform with enterprise-grade security and performance.
  • Built responsive dashboards and onboarding flows using Next.js, React Hooks, and TypeScript.
  • Integrated secure payment APIs and biometric authentication for Flutter-based mobile app.
  • Established code review standards, CI/CD pipelines, and performance monitoring workflows.
  • Key achievement: Designed and launched longswipe.com, achieving PCI-DSS compliance and 99.9% uptime.
May 2022 - Nov 2024

Senior Frontend Engineer

Handshake

Position Summary
Senior Frontend Engineer at Handshake
Industries
Banking and Finance
Information Technology
Business Areas
Business Intelligence
Information Technology
Product Development
  • Led frontend development across three fintech platforms serving global enterprise clients.
  • Developed AI-powered risk assessment tool (Sisu) integrating Claude AI for predictive analysis.
  • Built Give.org charitable platform with AI chatbot and fraud detection systems.
  • Created mesopotamia.ai, a real-time financial analytics dashboard with secure API integrations.
  • Impact: Improved frontend performance by 40% and reduced onboarding time by 60%.
Feb 2020 - Dec 2021

Senior Web Developer

Brandland Communications

Position Summary
Senior Web Developer at Brandland Communications
Industries
Banking and Finance
Business Areas
Business Intelligence
Information Technology
Product Development
  • Built Trueowner KYC verification platform and Truecheka compliance system.
  • Delivered secure, intuitive dashboards using React.js, Bootstrap, and Firebase.
  • Implemented real-time reporting with data visualization components.

Industry Experience

See where this freelancer has spent most of their professional time.

Experienced in Banking and Finance and Information Technology.

Banking and Finance
Information Technology
Profile match chart

Business Area Experience

See which departments and functions this freelancer has contributed to most.

Experienced in Information Technology, Product Development, and Business Intelligence.

Information Technology
Product Development
Business Intelligence
Profile match chart

Summary

Senior Frontend Engineer with 8+ years of experience building scalable, high-performance, and secure web applications. Expert in React.js, Next.js, and TypeScript, with deep understanding of UI/UX engineering, accessibility, and frontend architecture. Proven success leading cross-functional teams and delivering enterprise-grade solutions for fintech, SaaS, and data-driven platforms used globally. Passionate about crafting seamless user experiences, performance optimization, and modern frontend tooling.

Skills

  • Frontend: React.Js, Next.Js, Typescript, Javascript (Es6+), Html5, Css3, Tailwind Css

  • State Management: Redux, Zustand, Context Api

  • Backend & Apis: Node.Js, Express.Js, Rest, Graphql

  • Testing & Performance: Jest, React Testing Library, Lighthouse, Web Vitals

  • Ci/Cd & Devops: Github Actions, Jenkins, Docker, Vercel, Aws

  • Design & Ux: Figma Collaboration, Accessibility (Wcag), Responsive Design

  • Security & Compliance: Owasp, Jwt, Oauth2, Pci-Dss Principles

  • Other Tools: Git, Jira, Agile/Scrum, Langchain (Ai Integration)

  • Strong Leadership And Mentorship In Cross-Functional Teams

  • Skilled At Performance Tuning And Design-System Implementation

  • Committed To Writing Clean, Maintainable, And Accessible Code

  • Proven Ability To Deliver Globally Distributed, Secure, And Compliant Web Applications

Languages

English
Advanced
Filipino
Elementary
Yoruba
Elementary

Education

Virgen Milagrosa University

B.Sc. Computer Science · Computer Science · San Carlos City, Philippines

Middlesex University

B.Sc. Information Technology · Information Technology · Vacoas-Phoenix, Mauritius

Aptech Computer Education

Advanced Diploma in Software Engineering · Software Engineering · Calabar, Nigeria · Distinction

Certifications & licenses

LLM Ops – Large Language Models in Production

AI Makerspace

Complete Next.js Developer Course

Udemy

Advanced Diploma In Software Engineering

Aptech

Statistics

Experience

Total positions 3
Experience in Banking and Finance 6 y
Avg length 1 y 11 m
Longest experience 2 y 6 m

Expertise

Recent roles Frontend Developer, Senior Frontend Engineer, Senior Web Developer
Main industries Banking and Finance, Information Technology
Main business areas Information Technology, Product Development, Business Intelligence

Qualifications

Highest degree Bachelor
Certifications earned 3

Profile

Created

Frequently asked questions

Have questions? Find more information here.

Ekemini is based in Uyo, Nigeria and can operate in on-site, hybrid, and remote work models.
Ekemini speaks the following languages: English (Advanced), Tagalog (Elementary), Yoruba (Elementary).
Ekemini has at least 6 years of experience. During this time, Ekemini has worked in at least 3 different roles and for 3 different companies. The average length of individual experience is 2 years. Note that Ekemini may not have shared all experience and actually has more experience.
Based on recent experience, Ekemini would be well-suited for roles such as: Frontend Developer, Senior Frontend Engineer, Senior Web Developer.
Ekemini's most recent position is Frontend Developer at Longswipe.
In recent years, Ekemini has worked for Longswipe, Handshake, and Brandland Communications.
Ekemini is most experienced in industries like Banking and Finance and Information Technology.
Ekemini is most experienced in business areas like Information Technology, Product Development, and Business Intelligence.
Ekemini has recently worked in industries like Banking and Finance and Information Technology.
Ekemini has recently worked in business areas like Information Technology, Product Development, and Business Intelligence.
Ekemini holds a Bachelor in Computer Science from Virgen Milagrosa University, a Bachelor in Information Technology from Middlesex University and a Bachelor in Software Engineering from Aptech Computer Education.
Ekemini has 3 certificates. These include: LLM Ops – Large Language Models in Production, Complete Next.js Developer Course, and Advanced Diploma In Software Engineering.
Ekemini is immediately available part-time for suitable projects.
Ekemini's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.
To hire Ekemini, click the Meet button on the profile to request a meeting and discuss your project needs.

Average rates for similar positions

Rates are based on recent contracts and do not include FRATCH margin.

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Market avg: 664-824 €
The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.
Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.