
Hadid Billa
Fullstack Developer
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Senior Frontend Develop
Genese Solution • Temps plein
Jul 2021 - Nov 2025 • 4 yrs 4 mos
As a Senior Full‑Stack Developer, I design and build scalable, high‑performance web applications and SaaS platforms using Vue.js, Nuxt.js, React.js, Next.js, Node.js, Express.js, and PostgreSQL. I have led the development of 15+ SaaS products from concept to production, focusing on clean architecture, maintainable code, and exceptional user experience. My responsibilities include: - Collaborating with product and design teams to translate requirements into technical solutions - Building responsive, pixel‑perfect frontends with modern JavaScript frameworks and Tailwind CSS - Developing secure, well‑structured REST APIs and backend services in Node.js/Express.js - Optimizing performance, monitoring applications, and addressing scalability bottlenecks - Mentoring junior developers, conducting code reviews, and establishing team coding standards - Integrating third‑party services (payment gateways, authentication, analytics, etc.) and deploying apps using modern CI/CD workflows Key achievements: - Successfully delivered multiple SaaS platforms used by clients in different industries - Improved application performance and loading times through code splitting, caching, and database optimization - Helped standardize best practices across the team, reducing bugs and speeding up development