Specializing in
Full Stack DeveloperI build scalable software and performance marketing systems — from custom CMS platforms, dashboards and programmatic SEO sites to pay-per-call and Google Ads campaigns.
Biddut Cahndro Roy
Full Stack Developer & Performance Marketer
20+
Projects Delivered
4+
Years Experience
15+
Happy Clients
100%
Commitment
A technology professional building scalable software and performance marketing systems that drive real business results.
I'm Biddut Cahndro Roy, a technology professional who builds scalable software solutions and performance marketing systems. On the engineering side I work with Next.js, React, TypeScript, Node.js, Express.js, MongoDB, PostgreSQL and Prisma — deployed with Docker, Coolify, Linux and Vercel.
I specialize in custom & headless CMS development (including Payload CMS and Next.js CMS solutions), programmatic SEO websites, dynamic content platforms and multi-location SEO systems, as well as dashboards, admin panels, CRMs and affiliate & marketing reporting portals that give teams the data they need to move fast.
Beyond code, I run performance marketing systems: programmatic media buying, pay-per-call marketing, Google Ads, affiliate marketing, lead generation, high-converting landing pages, call & conversion tracking and campaign optimization. I bridge the gap between engineering and growth — building the technology and the campaigns that drive measurable results.
I am a professional Full Stack Developer and Performance Marketing Specialist offering web development, custom CMS, SEO and digital marketing services to clients worldwide — available for freelance projects and long-term collaborations.
I write modular, well-typed code that other developers can read, extend and trust.
I break complex problems into small, testable pieces and ship pragmatic solutions.
Authentication, validation and error handling are never an afterthought.
Performance and accessibility drive every interface decision I make.
Core areas of expertise spanning scalable software engineering and performance marketing technology.
End-to-end applications with Next.js, React, Node.js and TypeScript — from schema to polished UI.
Custom, headless and Payload CMS platforms tailored to your content and editorial workflow.
Dynamic content platforms that generate thousands of ranking, multi-location SEO pages.
Real-time dashboards, admin back-offices and reporting systems for data-driven teams.
The technology behind campaigns — tracking, funnels, analytics and conversion optimization.
Pay-per-call platforms with dynamic number insertion, call tracking and payout reporting.
Search, Display and Performance Max campaigns built, tracked and optimized for profitable ROAS.
Affiliate platforms, partner dashboards and commission tracking built to scale networks.
Workflow automation, lead scoring and drip campaigns that connect your entire martech stack.
Containerised, zero-downtime deploys with Docker, Coolify, Vercel and Linux — CI/CD included.
The technologies I use to design, build, ship and scale modern web applications.
A selection of production applications across web apps, dashboards, booking systems and more.
A full-featured e-commerce platform with cart, payments, product search, and an admin back-office. Built for scale with server components and edge caching.
Project details, source code, and live demonstrations are available upon request due to client confidentiality and NDA agreements.
A programmatic SEO platform generating 50,000+ multi-location landing pages from a headless CMS — dynamic content, structured data and ISR for instant indexing.
Project details, source code, and live demonstrations are available upon request due to client confidentiality and NDA agreements.
A pay-per-call marketing platform with dynamic number insertion, real-time call tracking, IVR routing and payout reporting for affiliates and buyers.
Project details, source code, and live demonstrations are available upon request due to client confidentiality and NDA agreements.
Real-time analytics dashboard with interactive charts, role-based access, and exportable reports for data-driven teams.
Project details, source code, and live demonstrations are available upon request due to client confidentiality and NDA agreements.
A Google Ads management dashboard pulling live campaign data via the Ads API — spend, ROAS, conversions and automated bidding rules in one view.
Project details, source code, and live demonstrations are available upon request due to client confidentiality and NDA agreements.
A custom, headless content management system with a block editor, media library (Cloudinary), role-based publishing and a typed REST API.
Project details, source code, and live demonstrations are available upon request due to client confidentiality and NDA agreements.
A sales CRM with lead pipelines, contact timelines, task automation and email integration — built to keep revenue teams in sync.
Project details, source code, and live demonstrations are available upon request due to client confidentiality and NDA agreements.
An affiliate marketing platform with partner dashboards, real-time commission tracking, offer management and automated payout reporting.
Project details, source code, and live demonstrations are available upon request due to client confidentiality and NDA agreements.
A marketing automation engine with visual workflow builders, lead scoring, drip campaigns and webhook integrations across the martech stack.
Project details, source code, and live demonstrations are available upon request due to client confidentiality and NDA agreements.
A modular admin panel with CRUD generators, audit logs, and granular permissions — a foundation for any SaaS backend.
Project details, source code, and live demonstrations are available upon request due to client confidentiality and NDA agreements.
A multi-tenant booking SaaS with availability calendars, secure payments, subscription billing and a management admin panel.
Project details, source code, and live demonstrations are available upon request due to client confidentiality and NDA agreements.
A production-grade REST API for financial ledgers with authentication, rate limiting, third-party integrations and OpenAPI documentation.
Project details, source code, and live demonstrations are available upon request due to client confidentiality and NDA agreements.
A high-performance marketing site for a consultancy — 100/100 Lighthouse, CMS-driven content, and smooth animations.
Project details, source code, and live demonstrations are available upon request due to client confidentiality and NDA agreements.
From a single API endpoint to a full production platform — end-to-end services tailored to your goals.
Tailor-made content management systems built around your exact editorial workflow — no bloated page builders.
API-first, headless content platforms that power web, mobile and any front end from a single source of truth.
Type-safe, self-hosted CMS builds on Payload — custom collections, access control and admin UX.
Deeply integrated Next.js + CMS solutions with ISR, previews and blazing-fast content delivery.
Data-driven sites that auto-generate thousands of optimized, multi-location pages that rank and convert.
Scalable, AI-ready content architecture with roles, localization and governance for large organizations.
Interactive analytics and reporting dashboards with real-time data, charts and exports.
Powerful admin back-offices with CRUD, audit logs and granular permissions for any product.
Custom CRMs with lead pipelines, automation and integrations that keep revenue teams aligned.
Unified marketing reporting — ad spend, ROAS, calls and conversions across every channel in one view.
Well-documented REST APIs with authentication, validation, rate limiting and versioning baked in.
Normalised, performant schemas on PostgreSQL and MongoDB with Prisma — modelled for scale.
Core Web Vitals audits, caching strategies and bundle diets for lightning-fast load times.
End-to-end Search, Display and PMax campaign builds with conversion tracking configured from day one.
Ongoing bid, keyword and creative optimization to lower CPA and scale profitable spend.
Pay-per-call campaigns with call tracking, IVR routing and quality-based payout reporting.
Automated, data-driven media buying across networks — targeting, budgets and creative testing at scale.
Full-funnel lead-gen systems — capture, qualification, routing and CRM sync that fill your pipeline.
High-converting, fast landing pages with A/B testing and analytics wired in for campaigns.
Architecture reviews, stack guidance and growth-engineering advice to help you ship the right thing.
Roles and milestones that shaped how I build software today.
Freelance / Contract
Remote
Partnering with startups and agencies to design and ship production web applications end-to-end.
TechForge Solutions
Dhaka, Bangladesh
Built and maintained SaaS products and internal tools using the MERN stack and Next.js.
PixelWave Studio
Dhaka, Bangladesh
Developed responsive, animation-rich marketing sites for local and international clients.
The foundation that started my engineering career.
University of Dhaka
Focused on software engineering, data structures, algorithms and web technologies.
Dhaka College
Mathematics and computer science, graduating with distinction.
Credentials that keep my skills sharp and current.
Meta / Coursera
2023Frontend Masters
2023Programming Hero
2022Udemy
2022KodeKloud
2023Google / Coursera
2021A few words from the people I've had the pleasure of building with.
“Biddut delivered our platform ahead of schedule and the code quality was exceptional. He thinks in systems, not just features.”
Sarah Mitchell
Product Manager, Nimbus Labs
“Our booking system finally just works. Biddut untangled a mess of legacy code and rebuilt it into something we're proud of.”
David Chen
Founder & CEO, StayLux
“A rare full-stack developer who is equally strong on the frontend and backend. Communication and reliability were first-class.”
Amelia Rodriguez
CTO, TechForge
“The admin panel he built became the backbone of our product. Clean architecture, great docs, zero surprises in production.”
James Okafor
Engineering Lead, Orbit SaaS
Have a project in mind or just want to say hello? My details are below — reach out any time.
Publicly listed for identity & payment verification.
Full Name
Biddut Cahndro Roy
Website
biddutroy.comPrimary Phone
+880 1580-321346Secondary Phone
+880 1723-600810Address
Kharakhai, Chackla Bazar, Parbatipur, Dinajpur 5250, Bangladesh
Parbatipur, Dinajpur, Bangladesh
View on Google MapsI usually reply within 24 hours.