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Dinesh Prajapati

@dineshprajapati2

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Backend architect at Accrete Infosolution Technologies who built a POS platform serving 500+ stores.

India

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At Accrete Infosolution Technologies Pvt Ltd, I contributed to BillberryPOS from its early development and later owned its backend architecture as Node.js Tech Lead / Backend Architect. The platform supported 500+ stores across India and more than 10,000 daily transactions.

I designed core POS modules and an offline-first architecture with background synchronization for uninterrupted billing during internet outages. I also developed real-time order updates and synchronization, optimized MySQL, and integrated payment gateways and third-party ordering platforms.

As a Freelance Developer, I develop web applications and REST APIs using Node.js, Express.js, React.js, MySQL, and MongoDB. I also built a WhatsApp-powered AI booking system using OpenAI function calling and Meta Cloud API, with availability checks, booking confirmation, webhook handling, and automated reminders.

Experience

Work history, roles, and key accomplishments

Current

Freelance Developer

Current

Freelance

Aug 2026 - Present (2 months)

Developed web applications and REST APIs using Node.js, Express.js, React.js, MySQL, and MongoDB. Designed scalable backend solutions, integrated third-party APIs and payment gateways, and deployed applications using AWS, Docker, Nginx, and CI/CD.

NodeJS ExpressJS React MySQL MongoDB REST APIs AWS Docker Nginx CI CD

Node.js Tech Lead / Backend Architect

Accrete Infosolution Technologies Pvt Ltd

Apr 2022 - Aug 2026 (4 years 4 months)

Led a team of 4 engineers, owning end-to-end backend architecture, delivery, and system stability. Architected a scalable POS backend platform used by 500+ stores across India, supporting 10k+ daily transactions.

NodeJS ExpressJS MySQL Redis Socket.IO Microservices REST APIs AWS Docker Nginx CI CD Galera Cluster Payment Gateways UrbanPiper

Software Developer

Accrete Infosolution Technologies Pvt Ltd

Apr 2019 - Mar 2022 (2 years 11 months)

Transitioned to Node.js development and contributed to building the BillberryPOS platform from the ground up. Initiated development of the internal product, BillberryPOS Platform, and performed performance and database optimization.

NodeJS MySQL Performance Optimization Database Optimization PFsense

Junior Software Developer

Accrete Infosolution Technologies Pvt Ltd

Aug 2017 - Mar 2019 (1 year 7 months)

Developed and maintained key projects including the Canteen Management System, Appointment Buddy WordPress plugin, and Glamp Camp. Acquired proficiency in MySQL replication and implemented master-slave replication in Pharma Distribution web portals.

MySQL Replication WordPress PHP JavaScript