Smail Koubi
Software Engineer | Java & Go | Backend & Distributed Systems
5+ years building and scaling distributed systems and high-traffic platforms serving millions of users across enterprise environments including Airbus, TotalEnergies, and Orange.
About
Software Engineer with 5+ years of experience designing and scaling backend systems for high-traffic platforms. Strong foundation in data structures, algorithms, and system design with a focus on building reliable, performant services that deliver measurable impact at scale.
Focused on Java, Go, and cloud-native backend development. Experienced in designing microservices architectures, REST APIs, CI/CD pipelines, and infrastructure on AWS and Kubernetes. Passionate about solving complex engineering problems in high-throughput, low-latency systems.
Open to Software Engineer roles in Paris, Amsterdam, and London.
Experience
CEPR - Centre for Economic Policy Research, Paris
Developing and maintaining a centralized data management platform processing 100,000+ publications, building backend services and APIs to streamline content delivery across multiple platforms. Optimized cloud infrastructure, reducing server costs by 15% and improved CI/CD pipelines to accelerate deployment cycles. Working directly with CTO to define technical requirements, drive architecture decisions, and ship iterative improvements across the platform.
INETUM @ Airbus, Paris
Developed and maintained Airbus.com, a global platform serving 2M+ monthly visitors, building scalable high-performance backend services. Engineered decoupled API systems to improve content delivery speed and cross-platform integration. Implemented accessibility improvements to meet WCAG standards, boosting cross-device engagement across international markets.
Capgemini @ TotalEnergies, Casablanca
Built and scaled backend systems for totalenergies.com and planete-energies.com, serving 1M+ global users across a complex multi-service architecture. Ensured compliance with French and EU accessibility regulations, improving content usability for a diverse international audience.
Smile @ Orange, Casablanca
Built and maintained backend APIs for boutique.orange.ma, supporting e-commerce operations for one of Morocco's largest telecom providers. Collaborated with cross-functional teams to deliver features and resolve production issues within an agile workflow.
Certifications
Institut français
EF Education First
Contact
Always open to discussing new opportunities, interesting problems, or ambitious engineering challenges.
Paris, France | Open to Amsterdam & London