Über Abdelwahid
Senior Backend Developer with 9 years of experience, specialized in PHP and Laravel framework. I architect scalable REST APIs, build complex third-party integrations (Airbnb, Stripe, PayPal), and design high-performance microservices systems. Experienced in queue systems (Redis/Laravel Queues), event-driven architecture, and leading remote teams of 3–4 developers. Available for remote missions worldwide.
Französisch
Verhandlungssicher
Englisch
Verhandlungssicher
Arabisch
Muttersprachlich oder zweisprachig
Nur remote
Führt Projekte hauptsächlich remote aus
Projekt- und Berufserfahrung
- upworkFull Stack DeveloperSOFTWARE-HERSTELLERJanuar 2025 - Heute (1 Jahr und 5 Monate)Paris, Frankreich
- Designed and maintained scalable backend systems using PHP and Laravel for international clients.
- Built and integrated third-party APIs including payment gateways, booking systems, and external services.
- Developed RESTful APIs, optimized database performance, and improved system reliability for production applications.
- Worked closely with clients to gather requirements, troubleshoot production issues, and deliver end-to-end solutions.
- Managed cloud deployments, background jobs, queues, and performance optimization for high-traffic platforms.
- Wechalet,Lead Backend EngineerIMMOBILIENAugust 2022 - Februar 2026 (3 Jahre und 6 Monate)Québec, Kanada
- Infrastructure Scalability: Led migration from single-server to multi-instance architecture;
implemented database read/write splitting with dedicated read-only instances for performanceand reliability.- Financial Engineering: Architected complex payment workflows in Stripe and PayPal, including
pre-authorization, secure capturing, and tokenized vaulting.- -Platform Migration: Executed a critical migration of the global payout system from PayPal to
Trolley, ensuring zero downtime for host disbursements.- Engineering Leadership: Directed a team of 5 developers, managing task distribution and
rigorous code reviews to enforce SOLID principles and clean code standards.- Performance Optimization: Reduced search API response times from 4s to <1s by implementing
Redis caching and optimizing database query logic.- Full-Stack Contribution: Contributed ~2 years of React development, building dynamic UI
components and integrating complex REST APIs with modern state management(Redux/TanStack Query).- API Orchestration: Directed deep integrations with Tier-1 partners including Google Travel
(GVR), Airbnb API, and Superhog Identity Verification to automate trust and safety workflows. - DZConseil,Full Stack DeveloperIMMOBILIENFebruar 2020 - Juli 2022 (2 Jahre und 5 Monate)AlgeriaEXPMonitor (Industrial IoT): Engineered a specialized web portal for structural health monitoring. Developed automated data-ingestion pipelines to process FTP-based sensor data, calculating statistical trends across massive datasets. API Development: Developed high-performance REST APIs and backend services for a diverse portfolio of international clients.Data Modeling: Designed complex, scalable database schemas and optimized relational workflows for data integrity. Modular Implementation: Contributed to core system design, focusing on reusable components and feature implementation.
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Ausbildung und Abschlüsse
- Bachelor's DegreeUniversité Chlef2015Bachelor's Degree
- Master 2Université Oran 12017Master 2