j
johnvesslyalti

John A

@johnvesslyalti

Backend Engineer

India
English
About me
I am a Backend Software Engineer focused on building scalable, production-grade systems. I specialize in designing high-performance APIs, distributed architectures, and hybrid SQL/NoSQL data models using Node.js, NestJS, PostgreSQL, MongoDB, and Redis.... Read more

Skills

j
johnvesslyalti
John A
Offline • 
Average response time: 1 hour

See my services

API & Integrations
I will build scalable node js backend api with postgresql and redis
From$20 / projectMore details
Bug Fixes
I will fix bugs in your nodejs express or nestjs backend
From$10 / projectMore details

Portfolio

Work experience

Fiverr

Backend Engineer

Fiverr • Self-employed

Apr 2024 - Present • 2 yrs 1 mo

Working as a freelance backend developer on Fiverr, specializing in building scalable and efficient backend systems using Node.js, NestJS, PostgreSQL, MongoDB, and Redis. I focus on designing clean REST APIs, authentication systems (JWT), database architecture, and performance optimization. I have experience handling real-world backend challenges including API development, debugging, and system scalability. I am committed to writing clean, maintainable code and delivering reliable solutions tailored to client requirements.