Hybrid: Design + Engineering In Production ↗

Best Lens — TCF/TEF Canada Exam Platform

E-learning platform preparing candidates for official TCF/TEF Canada exams (B2B Partnership · Cabinet Groupe Power)

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Client / Partner

Best Lens · via Cabinet Groupe Power (B2B)

Industry Sector

EdTech & Immigration

Role Performed

Engineering & UI/UX in B2B Subcontracting (Cabinet Groupe Power)

Timeline & Delivery

3 months · 2024

B2B Subcontracting · Cabinet Groupe Power

Project entrusted and delivered via technological subcontracting through our B2B partner firm: Groupe Power Firm.

cabinet-groupe-power.com

Overview of interfaces & deliverables

https://tcf-tef-canada-bestlens.com ·

Best Lens — TCF/TEF Canada Exam Platform - Vue Mobile Responsive

Responsive & Mobile-First Architecture

ART DIRECTION & UI/UX Design System

Art Direction, Ergonomics & Identity

Every screen and visual asset was custom crafted to maximize typographical clarity, brand consistency, and user conversion.

Design Tools:

Figma Adobe Illustrator Adobe Photoshop

ENGINEERING & ARCHITECTURE Production Stack

Performance, Security & Scalability

Clean, robust, and maintainable codebase, optimized for global SEO, data security, and high availability.

Technologies & Stack:

Django Python PostgreSQL Stripe API FedaPay API Tailwind CSS Alpine.js Docker

01 // CONTEXT

Project Presentation

Project entrusted and delivered through our B2B technology subcontracting partnership with Cabinet Groupe Power (cabinet-groupe-power.com). Best Lens is an EdTech platform dedicated to the intensive preparation of African and international candidates for official TCF and TEF Canada exams. It features a bank of over 1,000 interactive exercises aligned with official tests, timed mock exams under real conditions, skill-by-skill progress tracking (listening, reading, vocabulary), and a dual automated payment gateway (Stripe for international cards and FedaPay for MTN/Moov Mobile Money).

02 // THE CHALLENGE

Challenge Addressed

Provide Cabinet Groupe Power’s client with a rigorous training solution for Canadian language exams, accessible on mobile and payable via local Mobile Money or international bank cards.

03 // ARCHITECTURE & SOLUTION

Solution Deployed by LEKYN

End-to-end engineering of a robust web platform under B2B partnership: - Timed testing engine with instant grading and pedagogical explanations - Learner dashboard with accurate progress metrics and score prediction - Dual payment integration: Stripe (Visa/Mastercard) and FedaPay (MTN MoMo, Moov Money) - Secure authentication system and instructor portal - Responsive interface designed for extended study sessions

04 // RESULTS & IMPACT