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Case study · № 001 · 2024 to present

EVERYBODY LOVES LEARNING · one learning core, every screen

An AI-supported language-learning platform that unifies adaptive curriculum, interactive practice, educator tools, and learner progress across web and mobile.

RoleFront-end design, development, architecture
ContextLeetPros · ELL Technologies
StackReact · Next.js · React Native · TypeScript
StatusShipped on mobile stores ↗
App Store · Play StoreTechnical plate showing the ELL web and mobile system

The problem

More than five language products needed to become one coherent experience without flattening their different curricula. Learners needed a clear path. Educators needed assignment, reporting, and content controls. The same product language had to work on web and mobile.

The build

  • 20+ reusable activity formats for grammar, vocabulary, comprehension, writing, audio, video, and image-based practice.
  • CEFR-aligned learning paths with levels, units, lessons, prerequisites, quizzes, assessments, and progress signals.
  • Educator tooling for assignments, schedules, template customization, monitoring, and reports.
  • Multilingual and accessible UI with eight listed interface languages, RTL-aware layouts, adjustable type, and multiple themes.
  • AVI learning support for contextual text and voice help plus speaking and writing feedback.

Decisions that mattered

Templates before one-off lessons. A reusable exercise system made hundreds of activities consistent while keeping the content flexible.

Progress is part of the interface. Learners and teachers see what is complete, what needs attention, and what comes next.

One system, platform-specific behavior. Shared product logic stays consistent while web and mobile interactions respect their own constraints.

Outcome

The platform shipped publicly on iOS and Android. Hashaam's resume reports that it consolidated 5+ products and reduced duplicate content-delivery infrastructure by approximately 35%. The public case study and store listings confirm the product surface; the percentage remains a company-reported result.

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