l
lozitskyi

Oleksandr L

@lozitskyi

Senior Full Stack Software Engineer, Python, FastAPI, React, AWS

Spagna
Inglese
Alcune informazioni sono riportate in lingua inglese.
Chi sono
I’m a Senior Full Stack Software Engineer with experience building scalable web platforms, SaaS products, backend systems, APIs, and cloud-based applications for startups and growing businesses. I focus on clean, maintainable code, performance optimization, and production-ready solutions. I can help with: • Full Stack Web Development • Backend API Development • SaaS Applications • Python Automation & Scripts • Cloud Infrastructure & Deployment • Database Design & Optimization • AI Integrations • System Architecture • Bug Fixing & Performance Improvements... Continua a leggere

Competenze

l
lozitskyi
Oleksandr L
offline • 

Consulta i miei servizi

API e integrazioni
I will develop scalable python fastapi backend apis
Applicazioni web full stack
I will build modern full stack web applications

Portfolio

Esperienza lavorativa

Self_Employed

Senior Full Stack Software Engineer

Self Employed • Freelance

Jan 2019 - Present7 yrs 5 mos

Designed and developed scalable full-stack applications using Python FastAPI, React/Next.js, PostgreSQL, Redis, Docker, and Nginx. Built REST APIs, CI/CD pipelines with GitLab CI/CD, cloud infrastructure on AWS/DigitalOcean/Hetzner, and automated deployment workflows. Worked on VPN infrastructure automation using WireGuard, secure backend systems, reverse proxies, SSL configuration, and modern frontend architectures. Focused on performance, scalability, cloud networking, and DevOps practices.