NexGen AI Labs

Full-service engineering studio · Berlin

Your idea, live as a working product in 7 days.

AI products, mobile apps, websites, backend and cloud. One senior team designs, builds and ships the whole thing, so you launch fast and keep building on solid ground.

Start your 7-day MVP See what we build
  • 7 days from kickoff to a working MVP
  • One team for design, apps, AI and cloud
  • Senior engineers only, no hand-offs to juniors
7-day MVP sprint Idea → shipped product
  1. Day 1Scope, user flows and architecture locked
  2. Day 2UI design and clickable prototype
  3. Day 3–5App, web and backend built in parallel
  4. Day 6AI features, integrations and testing
  5. Day 7Deployed to the cloud. Live. Yours.

What we build

Everything a modern product needs, under one roof.

From the first screen to the last server. Pick one service or hand us the whole product.

AI products & LLM features

Assistants, copilots, search over your own documents, agents and workflow automation. Built with evaluation, guardrails and cost control from day one.

  • Claude
  • OpenAI
  • Gemini
  • RAG
  • Agents
  • pgvector

Mobile apps

iOS and Android apps from one Flutter codebase, or native when it matters. Architecture, state management, store release and the pipeline to keep shipping.

  • Flutter
  • Dart
  • Swift
  • Kotlin
  • App Store
  • Play

Websites & web apps

Marketing sites that load instantly, SaaS dashboards and customer portals. Fast, accessible, SEO-ready and easy for your team to update.

  • Next.js
  • React
  • TypeScript
  • Tailwind
  • Flutter Web

Backend & APIs

Secure, scalable APIs with auth, payments, notifications and real-time features. Clean data models and documentation your team can own.

  • Node.js
  • Python
  • Go
  • PostgreSQL
  • GraphQL
  • Stripe
  • Supabase

Cloud, DevOps & AWS

Infrastructure as code, CI/CD, containers, monitoring and cost optimisation. Production-grade AWS setups, or GCP, Azure and Cloudflare where they fit.

  • AWS
  • Terraform
  • Docker
  • Kubernetes
  • GitHub Actions
  • Cloudflare

Product design & strategy

Scoping, UX and UI design, prototypes and technical due diligence. We help you decide what to build first, then build it.

  • Figma
  • UX research
  • Prototyping
  • Architecture review

The 7-day MVP

Stop planning. Start showing.

In one focused week we turn your idea into a real, deployed product you can put in front of users, investors or your board. Not a slide deck. Not a mockup. Software that works.

Book your sprint

  • A working product

    Mobile app, web app or both, wired to a real backend with authentication and data.

  • AI where it adds value

    LLM features designed and integrated properly, with evaluation and cost limits in place.

  • Deployed and live

    Running on AWS or the cloud of your choice, with CI/CD so every change ships safely.

  • Fixed scope, fixed price

    You know exactly what you get before we start. No surprises on day 7.

  • Code that is yours

    Full source code, documentation and a clear roadmap. Keep building with us or in-house.

Technology

Modern stack, chosen for your product, not for fashion.

We pick proven tools your future team will be happy to inherit.

Mobile
  • Flutter
  • Dart
  • Swift / SwiftUI
  • Kotlin / Compose
  • Firebase
  • Fastlane
Web
  • Next.js
  • React
  • TypeScript
  • Tailwind CSS
  • Vite
  • Flutter Web
AI & data
  • Anthropic Claude
  • OpenAI
  • Google Gemini
  • LangChain
  • pgvector
  • Pinecone
  • Hugging Face
  • Whisper
Backend
  • Node.js
  • NestJS
  • Python / FastAPI
  • Go
  • PostgreSQL
  • Redis
  • GraphQL
  • Supabase
  • Stripe
Cloud & DevOps
  • AWS (ECS, Lambda, RDS, S3, CloudFront)
  • Google Cloud
  • Azure
  • Cloudflare
  • Terraform
  • Docker
  • Kubernetes
  • GitHub Actions
  • Grafana

How we work

Simple, transparent, fast.

  1. Discovery call

    A short call to understand your product, users and goals. Free, no obligation.

  2. Proposal in 24 hours

    Clear scope, timeline and fixed price in writing, so you know exactly what you get.

  3. Daily progress

    Working builds you can open on your phone or in your browser, and direct access to the engineers.

  4. Launch and beyond

    Deployed, documented and handed over. Stay with us for the next phase or take it in-house.

7-day MVP sprint

Idea to launched product in one week. Perfect for validating, fundraising or a fast pilot.

Full product build

Multi-week engagements to design, build and scale your app, platform or AI product end to end.

Dedicated team

Senior engineers embedded with your team for mobile, AI, backend or DevOps work.

Who you work with

Led by a Google Developer Expert.

NexGen AI Labs is led by Debasmita Sarkar, a Google Developer Expert for Flutter and Dart with more than ten years of experience building mobile products.

She has led mobile engineering teams in fintech, mobility and automotive, shipping apps used by large numbers of people. Today she and her team build apps, AI products and the cloud platforms underneath them for clients in the US and Europe.

Let's build

Tell us what you're building.

Send a few lines about your idea and timeline. We reply within one working day with next steps, and your 7-day sprint can start the following week.

[email protected]