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Next.js · React · Node.js · Python

Full-Stack Web Platforms

Web apps, dashboards and APIs that hold up under real traffic.

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Next.jsReactTypeScriptNode.jsFastAPIPostgreSQLSupabaseFirebaseTailwind CSS
What we do

How we help

We build the web side of your product and the backend that powers every app: customer-facing web apps, admin dashboards, public APIs and the data layer underneath. Fast pages, typed code and APIs your mobile apps can trust.

o9Tech is a product engineering studio in Lahore, Pakistan, founded in 2022. We work with clients around the world.

  • Next.js and React apps with server rendering
  • REST and GraphQL APIs in Node.js, FastAPI and Django
  • PostgreSQL, Supabase, Firebase and MongoDB data layers
  • Payments with Stripe, Apple Pay and local gateways
  • Admin dashboards and internal tools
Client reviews

What clients say about this work

o9Tech was extremely detail-oriented, solution-oriented, and highly committed to delivering quality. They approached every aspect of the work thoughtfully, ensured clarity in complex areas, and consistently focused on practical, effective solutions. Their professionalism and dedication made a significant difference in the overall outcome.
Solution architecture and technical spec review
Apr 2026 · Upwork
o9Tech did excellent work and demonstrated strong expertise in AI along with solid backend knowledge. Their experience with Node.js ensured smooth API handling and reliable data management. Communication was clear, and they delivered beyond expectations. I would gladly work with them again.
React web app with Google Cloud, Firebase and AI
Nov 2025 · Upwork

See all reviews.

How we work

A clear plan, weekly builds, no surprises.

  1. 01

    Discover

    We learn your goals, users and constraints, then agree on scope, platforms and a realistic timeline. You get a written plan, not a guess.

  2. 02

    Design & architect

    We map the screens and the system behind them: data models, APIs and the stack that fits. Big decisions get made early and on paper.

  3. 03

    Build in sprints

    Working builds every week on TestFlight, Play internal testing or a staging URL. You see real progress and steer as we go.

  4. 04

    Launch & scale

    We handle store submission, monitoring and the first rounds of fixes, then stay on to grow the product with you.

FAQ

Full-stack web questions

Something else on your mind? Ask us directly.

Can the same team build our web app and our mobile apps?

Yes. We build the web app, the admin dashboard and the APIs that every client shares, so web and mobile stay in step.

Which backend do you use?

Usually Node.js or FastAPI with PostgreSQL, Supabase or Firebase, picked to fit your product and your team. We write typed REST or GraphQL APIs.

Do you build admin dashboards and internal tools?

Yes. Admin dashboards and internal tools are a regular part of our web work, often alongside a customer-facing app.

Ready to talk it through?

Send us a short note about your product and goals. We reply within one business day.

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