p
praveenyougrows

P Kumar

@praveenyougrows

Core Backend Developer Node js APIs System Design

India
Punjabi, Hindi, English, Spanish
About me
Hi, I’m Praveen, a Core Backend Developer with 5+ years of experience building scalable, high performance server-side applications. Building fast, scalable, and reliable backend systems I specialize in: Designing and developing robust REST APIs using Node.js Building secure and scalable backend architectures Working with databases Optimizing performance and handling complex backend logic I’ve worked extensively on backend systems that require reliability, speed, and clean architecture. Let’s build something efficient and scalable.... Read more

Skills

p
praveenyougrows
P Kumar
Offline • 
Average response time: 1 hour

See my services

Blockchain Protocol Development
I will do integrate api from binance and bybit crypto exchange
From$3,000 / projectMore details
Exchange Platforms
I will build own crypto currency tools
From$1,000 / projectMore details

Portfolio

Work experience

Upwork

Expert Backend Developer

Upwork • Full-time

Jan 2020 - Present • 6 yrs 4 mos

Developed scalable backend systems using Node.js and Express Designed and built RESTful APIs for web and mobile applications Worked with databases like MongoDB and MySQL for efficient data handling Transformed and processed data using XML, JSON, XSLT, XPath, and XQuery Integrated third-party APIs and payment gateways Improved application performance and fixed complex backend issues Delivered multiple projects to international clients with high satisfaction