01
Start with clarity
Translate an ambitious idea into a focused product direction, useful scope, and practical technical plan.
Full-stack developer · Founder, CEO & CTO
I build fast, reliable web applications from idea tolaunch.
I'm Nitai Roy, a full-stack developer who helps teams turn complex concepts into responsive interfaces, scalable backend systems, and production-ready software.
- Product engineering
- Modern web applications
- Technical leadership
Nitai Roy
Full-stack developer & software engineer
CPO Experts Ltd.
How I work
Good software starts with good decisions.
I combine product thinking, interface craft, and full-stack engineering to turn complex requirements into software that feels straightforward to use and maintain.
02
Build the whole system
Connect thoughtful interfaces, dependable APIs, and clean data models into one coherent experience.
03
Ship with confidence
Carry the work through testing, deployment, performance, and the details that make a product feel finished.
Core expertise
From interface to infrastructure.
Broad enough to see the whole product, experienced enough to go deep where the work demands it.
Frontend Development
Responsive, accessible interfaces with a sharp eye for interaction and visual detail.
- React
- Next.js
- TypeScript
- Tailwind CSS
- Design systems
Backend Systems
Well-structured services and APIs designed for reliability, clarity, and change.
- Node.js
- Python
- Django REST
- API design
- PHP
Data & Architecture
Practical data models that keep products fast today and understandable tomorrow.
- PostgreSQL
- MySQL
- Drizzle ORM
- Prisma
- Schema design
Delivery & Operations
A complete path from local development to observable, production-ready software.
- Vercel
- Docker
- GitHub Actions
- Cloud deployments
- Performance & SEO
Selected work
Products built for real businesses.
A selection of customer-facing platforms I developed across product strategy, interface design, full-stack implementation, and production delivery.
01Featured platform
Clipping Path Outsource
A conversion-focused service platform that connects detailed service information, transparent pricing, educational content, lead generation, and a dedicated client portal.
- Product strategy
- Responsive experience
- Content architecture
- Portal integration
clippingpathoutsource.com
Customer journey
01Discover the right service
02Understand scope and pricing
03Start a project with confidence
02Service platform
PathClips
A focused image-editing platform that guides customers from service discovery and pricing to a clear project starting point.
- Product UI
- Service architecture
- Pricing journey
- Content system
03Company platform
CPO Experts Ltd.
The corporate home for a multi-brand digital business—bringing its story, capabilities, and product ecosystem into one credible presence.
- Corporate identity
- Brand ecosystem
- Service discovery
- Responsive delivery
Experience
Ownership beyond the code.
Long-term product leadership has taught me to balance customer needs, business priorities, technical quality, and the practical work of shipping.
2012 — Present
Founder, CEO & CTO
CPO Experts Ltd.
Building and growing digital products within an established creative-services company, with responsibility spanning product decisions, engineering, and reliable delivery.
- Lead product and technical direction across a portfolio of service brands.
- Design, build, and operate customer-facing platforms from interface to deployment.
- Turn business requirements into clear journeys for discovery, pricing, and client onboarding.
Featured research
Research turned into working software.
My Master's thesis combined software engineering, information visualization, and analytical thinking in a complete interactive application.
Master's thesisULM UNIVERSITY · 2018
Interactive Citation Trend Analysis of TVCG Articles
Designed and developed CitationVis, an interactive web application for exploring and comparing academic citation trends through D3.js histograms and line charts.
- JavaScript
- D3.js
- Data visualization
- Interaction design
- Research
Education
Technical depth, human perspective.
My academic path connects computer science with the way people perceive, understand, and use technology.
- 2018
M.Sc. in Cognitive Systems
Ulm University · Germany
A human-centered technical foundation spanning web applications, human–computer interaction, AI, and software engineering.
- 2011
B.Sc. in Computer Science & Engineering
Dhaka International University · Bangladesh
Core study in software development, databases, computer science fundamentals, and engineering practice.
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