• 2024/01 – Present / Casablanca

    Maltem Africa

    Working as a Front-end Developer on critical banking and enterprise applications using modern frontend architectures and backend integrations.

    Yakeey:

    Working on a loan application for a bank in Morocco, in collaboration with Yakeey and banks (CIH || Banque of Africa).

    • Designed and implemented a configurable JSON-driven form engine supporting conditional rendering, validation rules, reusable field components, and multi-step workflows.
    • Implemented secure authentication and authorization using Keycloak.
    • Built reusable UI components and documented them in Storybook, enabling consistency across the application and faster feature development.
    • Implemented and maintained feature flags to safely roll out new functionality and support incremental releases.
    • Developed backend REST APIs using Spring Boot and managed database schema evolution with Liquibase.
    • Integrated frontend applications with backend services and ensured seamless end-to-end functionality.
    • Established a comprehensive testing strategy using React Testing Library, Vitest, and Playwright.
    • Improved application accessibility (a11y) by implementing accessible components, keyboard navigation, and semantic HTML where applicable.
    • Performed performance profiling and optimization, reducing unnecessary re-renders, improving bundle efficiency, and enhancing user experience.
    • Mentored two junior frontend developers and one intern through code reviews, pair programming, technical guidance, and onboarding.
    • Participated in architecture discussions, reviewed pull requests, and promoted engineering best practices across the team.
    • Worked with React, TypeScript, React Query, Zustand, Material UI, Vite, and Storybook to build scalable frontend solutions.

    Inwi:

    Built internal dashboards used by sales teams to manage products and monitor business performance.

    • Built new features using Next.js 14 and TypeScript.
    • Developed dashboards for product management and sales monitoring.
    • Improved Docker images and deployment workflow.
    • Configured linting, formatting, pre-commit hooks and testing infrastructure.
    • Worked closely with backend teams to deliver production-ready features.
    • React
    • TypeScript
    • Next.js 14
    • React Query
    • Zustand
    • Material UI
    • Vite
    • Storybook
    • Spring Boot
    • Liquibase
    • Keycloak
    • Vitest
    • Playwright
    • React Testing Library
    • Docker
  • 2021 – 2023 (3 years) / Casablanca

    Obytes

    Worked as a front-end developer on various projects, building both web and mobile apps from scratch and maintaining existing codebases using React, React Native, and Node.js.

    Vieva Care:

    A platform to improve workplace engagement and team performance through real-time insights.

    • Built role-based dashboards for HR, managers and employees.
    • Developed reusable UI components aligned with a design system.
    • Improved application performance using lazy loading, image optimization and code splitting.
    • Increased Lighthouse and Web Vitals performance scores.
    • Implemented complex tables, charts and permission-based features.
    • Managed application state using React Query, Zustand and Context API.
    • Wrote unit and integration tests with React Testing Library and Jest.

    Newsbyte (React Native Mission):

    A mobile news app that pulls articles from top journalism websites and lets users follow and interact with trending stories.

    • Built the mobile app using React Native, TypeScript, and Restyle (Shopify’s styling system).
    • Designed and implemented the main news feed, pulling content from various news APIs.
    • Added camera integration for taking and uploading profile or article-related images.
    • Created a chat feature for real-time messaging with support.
    • Handled user authentication with login, signup, and password reset.
    • Integrated push notifications for breaking news alerts.
    • Managed permissions for camera, media, and location access.
    • Designed a clean and responsive UI using reusable components and React Navigation.
    • Built category filters and search functionality to help users find relevant articles.
    • Implemented bookmarking and history tracking for previously read articles.
    • Used Zustand/Context to manage global app state.
    • Optimized performance and load time for slower mobile networks.
    • Wrote unit tests for components and hooks using Jest.
    • Monitored app stability and fixed bugs from crash reports and user feedback.
    • React
    • React Native
    • TypeScript
    • Next.js
    • React Query
    • Zustand
    • Restyle
    • React Navigation
    • Jest
    • React Testing Library
    • Node.js
  • 2022 – 2023 / Casablanca

    Owto.ma

    Owto is a used car-selling company based in Morocco. I built two apps: an admin dashboard and a website where people can buy and sell used cars. During this experience, I gained a lot of knowledge, such as:

    • Conducting market research and aligning the UX of the app with the Moroccan community.
    • Generating PDFs based on data.
    • Building with Next.js, TypeScript, React Query, React PDF, Tailwind CSS, and more.
    • Creating different building modes like ISG, SSG, and SSR based on the requirements of each page.
    • Making the app responsive.
    • Ran some user interviews to seek constructive feedback to improve the UX.
    • Setting up the frontend codebase, configuring unit, integration, and unit integration tests, linting, formatting, pre-commit, and CI/CD with Digital Ocean and GitHub actions.
    • Reviewing the backend codebase with Golang.
    • Next.js
    • TypeScript
    • React Query
    • React PDF
    • Tailwind CSS
    • Golang
    • GitHub Actions
    • Digital Ocean
  • 2020 – 2021 (1 year) / New York

    Rantt.com

    Social media platform focused on community-led content. Built the core social features for users and a back-office dashboard for community creators and Rantt's internal team.

    • Built and maintained backend services using Node.js and Express.js.
    • Connected the Node.js backend to a gRPC microservice to handle communication between systems.
    • Integrated Stripe for subscription payments: created plans, handled new subscriptions, updated billing info, and supported both scheduled and immediate cancellations.
    • Designed and developed React components for the user-facing portal and admin tools.
    • Built authentication and role-based access control for both web and mobile apps.
    • Implemented a messaging system between users.
    • Added social features like following, post creation, commenting, and liking.
    • Used React Navigation and styled-components to build the mobile experience with a consistent UI.
    • Worked closely with designers and product managers to translate requirements into smooth user flows.
    • Wrote and maintained unit and integration tests across the frontend and backend.
    • Debugged and fixed bugs reported by QA and users in production.
    • Optimized API responses and frontend performance for better load times.
    • Deployed updates and hotfixes with CI/CD pipelines.
    • React
    • Node.js
    • Express.js
    • gRPC
    • Stripe
    • React Navigation
    • styled-components
    • TypeScript

Created by @Wassim built with @NextJs deployed in @Vercel