Lassad Kefi

Context:

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Development and optimization of Laravel/VueJS applications deployed on AWS for a mission-critical platform used by 200+ users.

Impact & Responsibilities:

• Performance: Optimized S3 client using the Multiton pattern, reducing execution time from 4s to <1s (75% gain)

• Migration: Suggested and implemented Laravel Rector for smooth migration from PHP 7.4→8.2 and Laravel 8→10 without bugs or rollback

• Architecture: Refactored GraphQL client, reducing response payload by 50%

• Quality: Created pre-commit Git hook to ensure PR quality before merging

• AWS: Worked on S3, SQS, CloudWatch, Secret Manager, OpenSearch

• Maintenance: Developed new features and continuous application maintenance

• Code Reviews: Ensured quality through PR reviews, documentation, and adherence to best practices

Technical Environment:

PHP 7.4-8.2 | Laravel 8-10 | Vue.js 2.7 | AWS (S3, SQS, CloudWatch, OpenSearch) | Jenkins | GraphQL | BitBucket | MongoDB | DynamoDB | Redis | MySQL | Laravel Queue | Jira | PhpStorm | Refactoring.

Context:

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Full-stack development and technological migration of internal projects and client portals for the telecommunications sector.

Impact & Responsibilities:

• Vue 2→3 Migration: Led the complete migration of the Vue.js ecosystem

• State Management: Migrated Vuex to Pinia to improve maintainability

• Laravel Migration: Upgraded Laravel 8→10 with refactoring of 3rd party connections

• Modernization: Refactored cron tasks to Laravel Jobs for better scalability

• Quality: Implemented static code analysis (Duster) for PHP and Laravel

• DB Optimization: Developed a generic filtering system for optimized searches

• CI/CD: Configured end-to-end testing environment with Selenium on Docker

• Code Reviews: Ensured quality, documentation, and adherence to internal practices

Technical Environment:

PHP | Laravel 8-10 | Vue.js 2/3 | JavaScript | SCSS | Bootstrap | Blade | MySQL | Laravel Queue | GitLab | Jira | API | Duster | Refactoring.

Context:

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Full-stack development for an online booking platform for the restaurant industry.

Impact & Responsibilities:

• Development: Implemented new features to improve user experience

• Architecture: Actively participated in technological discussions to define product evolution

• Agility: Technically broke down user stories into tasks to optimize sprints

• Quality: Ensured quality through code reviews, documentation, and adherence to internal standards

• Modern Stack: Worked on Laravel 7/8 with React/Angular frontend

Technical Environment:

PHP | Laravel 7/8 | JavaScript (React, Angular) | SCSS | Bootstrap | Blade | MySQL | Laravel Queue | GitHub | Clickup | REST API | cURL | PHPStorm.