{ ABOUT ME }
I’m Rohit Kumar (Coolhax RK), Full Stack Lead & Technical Founder Dedicated To Building Scalable Systems That Drive Enterprise Business Growth.
5+
Years of Full Stack Engineering & Architecture
(Trusted by 20+ Production Platforms)
I’m Rohit Kumar (Coolhax RK), Backend Developer Lead at FinCrif India Private Limited, Founder at Solidrix Solutions, and Former Co-Founder/CTO at GullySystem. With 5+ years of hands-on technical expertise, I design and architect complete end-to-end digital solutions — from robust Laravel and Node.js backends to enterprise multi-tenant SaaS applications, real-time API integrations, and automated cloud DevOps infrastructure.
20+
SaaS & Client Projects
99.9%
Production System Uptime
{ INSIGHTS & MILESTONES }
Engineering Leadership Built On High Performance
Every system I architect focuses on maintainable codebases, zero-downtime database migrations, micro-second query responses, and scalable cloud deployments that empower businesses to grow seamlessly.
{ TECHNICAL BLUEPRINT & LEADERSHIP INFOGRAPHIC }
Engineering Leadership Portfolio
Visual breakdown of engineering leadership, system architecture methodologies, and downloadable PDF technical guide.
{ CAREER & ROLES }
Professional Leadership Roles
Backend Developer Lead
FinCrif India Private Limited (Current)
Founder & Technical Architect
Solidrix Solutions
Former Co-Founder & CTO
GullySystem (Ex-CTO)
Full Stack Senior Engineer
Enterprise SaaS Platforms