Rohit Kumar

Rohit Kumar

Backend Developer Lead @ FinCrif India & Founder @ Solidrix Solutions. 5+ Years in Full Stack Engineering, Enterprise SaaS & Cloud DevOps.

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Full Stack & Tech Leader

Rohit Kumar

Hello Everyone! 👋

I’m Rohit Kumar Full Stack Leader

Full Stack Engineer & Tech Leader with 5+ years of experience building complete digital products end-to-end. From scalable Laravel & Node.js backends to cloud DevOps, frontend platforms, and enterprise solutions — delivering as a leader & technical architect.

Backend Lead @ FinCrif Founder @ Solidrix Ex-CTO @ GullySystem
Full Stack Architecture
Laravel & PHP Engineering
Node.js & NestJS APIs
Docker Containerization
AWS Cloud & VPS Infra
WhatsApp Cloud API
Multi-Tenant SaaS Systems
Enterprise HRMS & Payroll
RESTful APIs & Microservices
CI/CD Release Automation
PostgreSQL, MySQL & Redis
Custom CRM & Lead Automations

Passionate About Full-Stack Product Engineering & Digital Automation

Backend Developer Lead at FinCrif India Private Limited, former Co-Founder & CTO at GullySystem Private Limited, and Founder of Solidrix Solutions with 5+ years of core software engineering & product architecture experience. Building complete applications — from intuitive user interfaces to scalable Laravel/Node.js backends, multi-tenant databases, containerized cloud infrastructure, and 99.9% production uptime.

5+ Yrs

SENIOR FULL STACK & TECH LEAD EXP.

20+

ENTERPRISE SAAS & AUTOMATION PLATFORMS

Laravel Enterprise Framework
Node.js & NestJS Microservices & APIs
Docker & K8s DevOps & Containers
AWS & Cloud VPS & Infrastructure
PostgreSQL & Redis Databases & Caching
WhatsApp Cloud API Meta Bot Automations

ABOUT ME

WHAT I OFFER

Full Stack Engineering & System Automation

Full Stack App Development & SaaS

End-to-end product architecture from responsive frontends to high-performance Laravel & Node.js/NestJS backends, multi-tenancy, and secure RBAC.

DevOps & Cloud Automation

Containerized Docker orchestrations, AWS & VPS setup, CI/CD automated release pipelines, SSL, DNS, monitoring, and zero-downtime deployments.

WhatsApp Cloud API & Bot Automations

Meta WhatsApp Cloud API integration, automated customer bots, bulk marketing dispatchers, CRM webhooks, and transactional alert workflows.

Enterprise HRMS, ERP & Business Tools

Automated payroll calculation engines, employee attendance tracking, GST invoicing, lead pipelines, and database optimization (MySQL/PostgreSQL/Redis).

RESTful APIs & Payment Gateways

Secure OAuth2 & JWT authentication, Razorpay/Stripe/Paytm gateway integrations, automated webhook dispatches, and third-party API sync.

EdTech & Vehicle GPS Live Tracking

Real-time vehicle GPS tracking systems, parent & admin notification dispatches, School ERP integration, and fleet management automation.

Contact Us or Send An Email to [email protected]

SERVICES

Selected Work

Featured Full Stack & Automation Systems

PROJECT

MY ACHIEVEMENTS

Tech Leadership Milestones & Recognition

Backend Developer Lead @ FinCrif India • 2026

Co-Founder & CTO @ GullySystem • 2022 - 2026

Founder & Principal Architect @ Solidrix • 2026

Chief Enterprise SaaS & Systems Architect • 2023

Meta WhatsApp Cloud API & Automation Pioneer • 2026

99.9% Uptime Production Cloud & DevOps Infra • 2025

Automated HRMS & Payroll Creator • 2025

Founder & Tech Lead Delivering 20+ SaaS Products • 2026

Client Reviews

What Our Clients Say

5.0 Rating

Trusted By 20+ Production Platforms & Enterprise Clients

“Rohit built our entire multi-tenant HRMS & Payroll platform from scratch. His backend architecture and automated payroll engine handled 10,000+ daily employee check-ins flawlessly with 99.9% uptime.”

Anand Sharma / Operations Lead, Enterprise HRMS

“Our school management & parent portal (SKLOPS) became 10x faster after Rohit redesigned our API pipeline and database queries. Truly a world-class Full Stack & DevOps leader.”

Rajesh Verma / Product Director, SKLOPS

“The Solidrix Send Multi-SMTP Email Router built by Rohit revolutionized our transactional emails. Automated SMTP failover routing with real-time webhooks ensured 99.99% inbox deliverability.”

Vikram Patel / Infrastructure Lead, Solidrix Send

“Vedant Billing ERP was delivered with high precision — seamless GST invoicing, multi-store inventory sync, and instant POS printing. Outstanding software engineering.”

Sanjay Malhotra / Retail Operations Lead

VIDEO SHOWCASE

Watch Rohit Kumar In Action

My Articles

Our Recent Blog & Articles

Architecting Multi-Tenant SaaS Platforms in Laravel & MySQL
Aug 29, 2026 / SaaS Architecture

Architecting Multi-Tenant SaaS Platforms in Laravel & M...

Deep dive into tenant database isolation models, dynamic domain routing middleware, a...

Building High-Throughput Microservices with Node.js & Docker
Aug 28, 2026 / Microservices

Building High-Throughput Microservices with Node.js & D...

How to design event-driven Node.js microservices wrapped in Docker containers for hig...

Optimizing Database Queries & Indexing for 10M+ Record Tables
Aug 27, 2026 / Database Tuning

Optimizing Database Queries & Indexing for 10M+ Record...

Proven techniques for reducing MySQL and PostgreSQL query execution time from 4.2 sec...

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