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sazz3000

Sebastian B.

@sazz3000

What's your story in one line?

United States
English
About me
I’ve been a Fiverr member since 2012 and recently started offering services actively on the platform, while bringing years of real-world development and infrastructure experience outside Fiverr. I’m a full-stack developer specializing in scalable, production-ready web applications, SaaS platforms, and CMS solutions using React, Node.js, Laravel, PHP, and PostgreSQL. I also handle server setup, deployment, optimization, and security using NGINX, SSL, and Linux to build fast, secure, and reliable systems for businesses and growing platforms. ... Read more

Skills

s
sazz3000
Sebastian B.
Offline • 
Average response time: 9 hours

See my services

Support & IT
I will set up and secure your ubuntu server with nginx and SSL
From$40 / projectMore details
Campaign Management
I will create professional weekly email campaigns and newsletters
From$195 / projectMore details

Portfolio

Work experience

Freelancing_Career

Full-Stack Developer & Systems Engineer

Freelancing Career

Jan 2021 - Present • 5 yrs 5 mos

Design and develop custom web applications, SaaS platforms, and business systems using React, Node.js, Laravel, PHP, PostgreSQL, and modern technologies. Build complete solutions including frontend, backend, database architecture, API integrations, and custom CMS development. Manage server infrastructure, deployment, and security across Linux environments including VPS, cloud infrastructure, dedicated servers, and WHM/cPanel systems using Ubuntu, NGINX, PM2, and SSL. Implement system monitoring, performance optimization, automation tools, scalable architecture, and production-ready workflows. Develop custom e-commerce systems, business automation tools, and email platforms tailored to operational needs. Provide ongoing maintenance, monitoring, troubleshooting, and technical support to ensure long-term reliability, security, and performance.