Freelancer profile translated to English.
Back to original languageAbout Karim
Full-stack developer with over 3 years of experience, I design and develop high-performance web applications, e-commerce sites, and showcase sites for French and international companies.
My technical expertise:
React, Next.js, NestJS, TypeScript, Tailwind CSS, Shopify (custom themes & advanced customization), WordPress (showcase sites, blogs, WooCommerce, custom themes & plugins).
They trusted me:
I had the pleasure of working on concrete projects for brands and platforms you may know:
→ DPAM & Sergent Major — Shopify development and customization for two major children's fashion brands
→ Enjeu Capital — Retirement investment platform (React + NestJS)
→ Aston Medical — Health platform with a modern and accessible interface
→ Boulevard des Experts — Business platform developed in Next.js + NestJS
What I bring to your projects:
I'm not just an executor. I get involved in understanding your business objectives to propose suitable technical solutions. I am autonomous, responsive, and used to working remotely with French teams (same time zone, fluid communication).
Ideal for:
✓ Creation of Shopify e-commerce sites (custom theme, integrations, optimization)
✓ Custom WordPress sites (showcase, blog, WooCommerce, theme & plugin customization)
✓ Custom web application development (React / Next.js / NestJS)
✓ Redesign or improvement of existing platforms
✓ Technical support for digital agencies that are overloaded
Languages: Fluent French · Fluent English · Native Arabic
Available for one-off missions or long-term collaborations. Let's discuss your project — I respond within 24 hours.
English
Native or bilingual
French
Fluent
Arabic
Native or bilingual
Remote only
Primarily works remotely
Experience
- PoyesisFull Stack DeveloperJanuary 2023 - Today (3 years and 5 months)→ Lead a technical team — I managed sprints, led stand-ups, structured ticketing, and conducted code reviews. I can integrate into your team or work autonomously.→ Transform your mockups into finished products — Used to collaborating with designers and project managers, I go from Figma to code quickly with well-defined tickets and clear acceptance criteria.→ Deliver production-ready code — React/Next.js on the front-end, Node/NestJS on the back-end, Shopify (Liquid themes, app integrations, webhooks) and WordPress. No abandoned prototypes — I deliver.→ Improve your web performance — Optimization of Core Web Vitals, image/CDN strategy, and caching. Concrete result: up to ~50% improvement in loading speed on client projects.→ Measurable business impact — In my last position, I contributed to increasing the division's revenue by ~35% through better project scoping and proactive client communication.→ Maintainable and scalable code — Reusable components, internal templates, handover documentation, clean Git workflows, and automated CI. Your projects remain stable and easy to take over.
- DynamixJunior Frontend DeveloperJune 2020 - February 2022 (1 year and 8 months)→ High-performance and reliable WordPress sites — Development of responsive, mobile-first sites with 99% uptime and a polished user experience.→ WordPress / WooCommerce E-commerce — Setup of online stores with custom product catalogs and secure payment gateways.→ From design to pixel-perfect site — Faithful integration of Figma/Photoshop mockups into WordPress using Elementor and WPBakery.→ Guaranteed autonomy after delivery — Client training and comprehensive documentation so you can manage your site independently in the long term.
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Education
- Master in Computer EngineeringLIU2023