l
lozitskyi

Oleksandr L

@lozitskyi

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

Espanha
Inglês
Algumas informações são exibidas no idioma inglês.
Sobre mim
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... Saiba mais

Habilidades

l
lozitskyi
Oleksandr L
offline • 

Conheça meus serviços

API e Integrações
I will develop scalable python fastapi backend apis
A partir deUS$ 200 /projetoMais detalhes
Aplicações Web Full Stack
I will build modern full stack web applications
A partir deUS$ 300 /projetoMais detalhes

Portfólio

Experiência profissional

Self_Employed

Senior Full Stack Software Engineer

Self Employed • Freelance

Jan 2019 - Present • 7 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.