s
sai_backend

Sai

@sai_backend

I Build Fast and Secure REST APIs with Python and Java

India
English, Hindi
About me
Hi! I'm a Back-End Developer with 1-2 years of experience building fast, secure REST APIs using Python (Django/Flask) and Java (Spring Boot). I specialize in: - REST API development - MySQL & PostgreSQL database design - JWT & OAuth 2.0 security - Docker & AWS deployment - Stripe, SendGrid & AWS S3 integrations Why work with me? - Clean, well-documented code - On-time delivery - Free revisions until 100% satisfied Send me a message — let's build something great!... Read more

Skills

s
sai_backend
Sai
Offline • 

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Email Copy
I will write emails in online
From$20 / projectMore details

Work experience

Back-End Developer

Self-Employed (Freelance) • Self-employed

Jan 2025 - Present • 1 yr 4 mos

Delivered 10+ backend projects for international clients. Built REST APIs handling 500+ concurrent users. Achieved 5-star ratings through clean code and on-time delivery. Reduced client API response time by 40% through query optimization. Deployed 5+ production apps on AWS EC2 using Docker.

Python Backend Intern

SaaS Startup (Remote) • Self-employed

Jan 2024 - Dec 2024 • 11 mos

Built 3 core API modules using Django REST Framework serving 1,000+ daily users. Reduced API bug reports by 30% through unit testing with pytest. Integrated Stripe payment gateway and SendGrid email service. Improved database query speed by 25% using PostgreSQL indexing.