m
marioblnn

Mario Balan

@marioblnn

Full Stack Software Engineer and Backend Specialist

Roumanie
Anglais, Roumain
Certaines informations sont présentées en anglais.
À propos de moi
Full-stack engineer | Backend architecture & scalability. Scaled platforms to 25M+ users (CC). I build distributed backends, REST/WebSocket APIs, real-time systems & AI/LLM integrations—clean, secure, and built to grow. Java/Spring Boot · Node.js · Python/FastAPI · React/Next.js · PostgreSQL · Redis · OAuth/JWT New product or existing system—message me and let's ship something that lasts.... Plus d’infos

Compétences

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marioblnn
Mario Balan
hors ligne • 
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Voir mes services

API & Intégrations
I will build a high performance scalable backend system
De60 $US / projetPlus de détails
Applications Web Full stack
I will develop a scalable full stack web application
De70 $US / projetPlus de détails

Portfolio

Expérience professionnelle

Self_Employed

Full Stack Software Engineer

Self Employed • Freelance

May 2026 - Present • 1 mo

Independent Full-Stack Software Engineer specializing in scalable backend architectures, distributed logic, and high-performance applications. Engineered end-to-end solutions with a core focus on strict data integrity, system throughput, and fault-tolerant infrastructure.