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Walid LAGGOUNE

@walidlaggoune

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Senior backend engineer

Germany

Message

What I'm looking for

I am looking for a collaborative environment that fosters innovation and growth.

Senior Backend Engineer with 5+ years of experience building applications using PHP (Laravel,Symfony, Lumen), REST/GraphQL APIs, and real time systems. Skilled in performance optimization, infrastructure with Docker and Nginx, and leading SaaS projects from idea to deployment. Passionate about clean code, system design, and mentoring developers.

Experience

Work history, roles, and key accomplishments

Current

Senior backend engineer

Current

About YOU

Dec 2025 - Present (6 months)

millions of events from integrators (Adidas , Otto, tradebyte ..)
Architected a messaging pipeline using AWS SQS as the primary driver
queues, ensuring "at-least-once" delivery for millions of daily product events from partners
Implemented caching layers using AWS ElastiCache
Engineered optimized data ingestion workflows that utilized AWS S3 for staging large catalogs

PHP Laravel Symfony SQS SNS ELK RDS Redis RabbitMQ Backend Development Event Driven Architecture

Current

Founder - Backend Developer

Current

Pulsetracker SAAS

Oct 2023 - Present (2 years 8 months)

Founded and developed a real-time location tracking platform using PHP and Laravel. Designed a high-performance backend capable of handling concurrent connections and optimized a MariaDB database for fast data retrieval. Implemented geofencing, live tracking, and API integrations, while managing backend infrastructure with Docker and Nginx.

PHP Laravel MariaDB Docker Nginx Redis WebSockets API Development Performance Optimization

Head of Digital Department - Backend Developer

CELEC Club (USTHB)

Nov 2020 - Oct 2023 (2 years 11 months)

Led the digital department, developing APIs for event platforms and automating application selection processes. Conducted training sessions in Laravel and backend engineering to support students in tech.

Laravel PHP API Development MySQL Automation Training Backend Engineering Nginx Security Best Practices

Backend Developer

ASEM Medical

Apr 2020 - Aug 2023 (3 years 4 months)

Developed grocery and food delivery applications, leading a backend team to architect REST and GraphQL APIs for multiple mobile apps. Improved system scalability and optimized database performance, enabling efficient management of over 70,000 products.

PHP Laravel GraphQL Redis Nginx MariaDB Python API Development Performance Optimization

Freelance Backend Developer

Self Employed

Jan 2016 - Dec 2016 (11 months)

Worked as a freelance backend developer, creating websites for local clients, including landing pages and restaurant sites. Gained hands-on experience in web development and client communication.