Yassine Azem

Context: PerfectStay is a tour operator specializing in creating exclusive travel packages and custom white-label solutions for major brands.

Project: Redesign of the legacy application to NextJS.

Role: Tech Lead within an Agile SCRUM team composed of 3 front-end developers, a Product Owner, a Project Manager, and a UX/UI team.

- Development of a new booking flow for hotel-only bookings

- Internationalization of the project with next-intl

- Refinement of tickets and mockups with the Project, Product, and Tech teams

- Definition of roadmaps with Business teams

- Creation of a query orchestrator in Typescript

- Clarification of business needs through feedback, implementation of an architecture meeting functional requirements

- Creation of the Design System

- Implementation of unit and end-to-end tests with Vitest and Playwright

- Reorganization of React components to improve maintainability and readability

Technical environment: NextJS 15, TailwindCSS 4, Vitest 3, Playwright 1.55, Storybook 9, Typescript 5, NodeJS 22, Gitlab CI, next-intl.

Client: Pleenk.

Context: Pleenk is the wallet that protects your payments and your digital identity.

Project: Creation of a currency and cryptocurrency payment application.

Role: Tech Lead within an Agile SCRUM team composed of 2 developers and a Product Owner.

- Challenging Epics and User Stories

- Management of cryptocurrency wallets and transactions

- Testing: coverage > 80%

- Maintenance of a Back for Front in Typescript and GraphQL

- Development of features related to account funding, payments, and cryptocurrency withdrawals

- Development of features for creating shareable and secure payment links

- Maintenance of the back for front

- Automation of processes for back-office teams

- UI redesign of certain application components

Technical environment: NextJS 14, GraphQL, NodeJS 20, TailwindCSS 4, Jest, Playwright, Storybook, Typescript 5, Gitlab CI, react-i18n.

Client: Zenika Training.

Context: Zenika training trains thousands of interns per year in IT and agile professions.

Project: Integration of the Qualiopi State certification for training centers into the Zenika training management platform.

Role: Tech Lead within a team with a Project Manager and 2 developers.

- Integration of certification-related features

- Clean Architecture approach to maintain and evolve legacy code

- Maintenance and optimization of existing code

- Refactoring of the project into a monorepo containing several modules responsible for connecting with external services

- Creation of a new module in TypeScript responsible for managing questionnaires for training sessions for interns

- Process automation

- Creation of a new dashboard application for monitoring responses to regulatory questionnaires

- Assistance in writing user stories and mockups

- Migration of the mailing system to Mailgun

- Developments carried out in DDD (driven by business needs)

Technical environment: Java 17, NodeJS 18, React 18, Jest, Typescript, CircleCI, Docker.