SanjoyC
I'm

Sanjoy Chowdhury

A Full-Stack Architect for Startups & Agencies. Help founders and product teams design and build systems that are stable, scalable, and commercially viable.

Sanjoy Chowdhury
About myself
  • Name

    Sanjoy Chowdhury
  • Email

    hellosanjoyc[at]gmail[dot]com
  • Phone

    +91 983 079 9651
  • Address

    Kolkata, India
  • Nationality

    Indian
About Me

Cost-Effective Startup & Enterprise Solutions

Technical partner who can take an idea from concept to scalable product

I'm a technology leader with 25+ years of experience building scalable web and mobile applications for startups, SMBs, and agencies. I specialize in secure, high-performance solutions across EdTech, e-Governance, and FinTech, delivering MVPs and systems aligned with business strategy and long-term growth.

Resume

Skills Backed by Experience

Education

  • Master of Science in Physics

    University of North Bengal

    I did specialisation in Electronics and Radio Physics to understand the principles of electronic systems and electromagnetic communication, enabling the design, analysis, and optimization of modern communication, signal processing, and electronic technologies.

  • Bachelor of Science

    University of North Bengal

    The goal of a Bachelor of Science in Physics (Honours) is to build a strong foundation in fundamental physical laws, mathematical modeling, and analytical reasoning, enabling deeper understanding of natural phenomena and preparation for advanced scientific or technical pursuits.

Experience

  • Founder Director

    Aranax Technologies
    2014 - present
  • Solution Architect

    Wipro Technologies
    2007 - 2014
  • Technical Lead

    Lexmark International
    2004 - 2007
  • Web Developer

    Web .com (India)
    2001 - 2004

Personal Skills

Architectural Thinking80%
Strategic Problem Solving75%
Technical Leadership90%

Technical Skills

  • 0%

    AI Automation

  • 0%

    ReactJS

  • 0%

    NodeJS

  • 0%

    NextJS

  • 0%

    Laravel

  • 0%

    RDBMS

Portfolio

My works that I did for clients

Service

Engineering With Scale in Mind

  • SaaS Architecture & System Design

    Designing scalable, multi-tenant systems with proper data modeling, RBAC, subscription logic, and long-term infrastructure planning.

    Designing scalable, multi-tenant systems with proper data modeling, RBAC, subscription logic, and long-term infrastructure planning.

  • MVP to Scalable Product

    From idea validation to production-ready launch — building fast without creating technical debt.

    From idea validation to production-ready launch — building fast without creating technical debt.

  • Backend Engineering

    Robust REST APIs, authentication (JWT/OAuth), Redis caching, queue systems, billing workflows, and high-availability backend systems.

    Robust REST APIs, authentication (JWT/OAuth), Redis caching, queue systems, billing workflows, and high-availability backend systems.

  • Full-Stack Web & Mobile Development

    React, Next.js, Flutter — performance-focused applications built for real users, not demos.

    React, Next.js, Flutter — performance-focused applications built for real users, not demos.

  • AI & Automation Integration

    AI-driven features, workflow automation, intelligent data pipelines, and scalable background processing.

    AI-driven features, workflow automation, intelligent data pipelines, and scalable background processing.

  • Infrastructure & Cost Optimization

    Cloud architecture planning, load balancing, database replication, caching strategy, and infrastructure cost modeling.

    Cloud architecture planning, load balancing, database replication, caching strategy, and infrastructure cost modeling.

Testimonials

What people say about me

We brought him in for an MVP. What we got was a production-ready system with proper data modeling, subscription workflows, and infrastructure planning. His thinking is architectural, not just tactical.

Rebecca Collins

CEO, EduNova Labs

He identified structural flaws in our early backend design that even our internal team missed. His ability to align monetization logic with system architecture is rare.

Daniel Brooks

CTO, FinAxis Solutions

Security, RBAC, audit trails — everything was implemented cleanly and professionally. We operate in a compliance-heavy environment, and his attention to system integrity was exceptional.

Olivia Martinez

Director, Geromi Dynamics

He doesn't jump into code blindly. He starts with infrastructure assumptions, scaling risks, and data flow modeling. That strategic approach completely changed how we build products.

James Carter

Co-Founder, LaunchStack

Our backend was unstable before he stepped in. Within weeks, we had a properly structured API layer, Redis caching, and queue handling that drastically improved performance.

Sophia Nguyen

Product Lead, NexaScale
Blog

Latest tips, tricks & Updates

    Contact Me

    Contact me to get your work done

    • Call Me

      +91 983 079 9651 / 891 037 6939
    • Address

      Module No: 308, Webel IT Park Phase II DH Block, Action Area I, Newtown, Kolkata, India