Taking on new client projects

We build the AI inside your product.

Biru Labs is an AI and backend studio led by Biresh Kumar Singh. We build RAG systems, voice agents and the backend work that keeps them running, for clients all over the globe.

Start a project See client projects

Services

What we can build for you.

Every service below is something we've already built for a real client or product, and the tag on each one says where.

AI features

  • RAG and knowledge bases

    Assistants that answer from your documents instead of guessing. We ingest PDFs, web pages, FAQs and product catalogues, search them with embeddings, and keep versions so a bad edit never reaches customers.

    Built for SentLogic

  • Chatbots and AI assistants

    Customer-facing and internal assistants with the tone you choose, guardrails against unsafe or off-topic replies, and a clean handoff to a person when the AI isn't sure.

    Built for SentLogic

  • Voice AI

    Real-time voice-to-voice agents that start answering before you finish, handle interruptions, and recover when they guessed wrong.

    Built for WapasBol

  • AI agents

    Assistants that look up live business data and take actions for you, asking for confirmation before anything sensitive happens.

    Built for SentLogic

  • LLM integration

    Add Claude or another model to your product: prompt design, routing simple questions to smaller models, token budgets, and side-by-side tests so the choice rests on results.

    Built for SentLogic

  • Classification and sentiment

    Sort messages by intent and mood automatically: complaints, enquiries, hot leads. Escalate the ones that need a person.

    Built for SentLogic

Engineering and data

  • Backend and APIs

    FastAPI and Node.js services on PostgreSQL, with authentication, background jobs and clear documentation.

    Built for both client projects

  • Integrations

    Connect to the platforms your customers already use: Instagram, Shopify, Stripe, eBay and more, with webhooks that survive retries and duplicates.

    Instagram, Shopify, Stripe, eBay

  • Data collection and pipelines

    Scrape, clean, validate and store data from many sources, with logging and a dry-run mode so nothing goes live by surprise.

    Built for the Estonia project

  • Billing and security

    Subscriptions on Stripe, usage limits, access tied to real subscription status, dispute handling and audit logs.

    Built for SentLogic

  • Production hardening

    Guardrails, rate limits, a global kill switch, nightly reconciliation and the unglamorous fixes that keep an AI product trustworthy.

    Built for SentLogic

  • Analytics and dashboards

    Power BI, SQL and Excel reporting people can trust, with data-quality checks and reports you can rebuild from scratch.

    Portfolio project: quick-commerce analytics

Something that isn't on this list? If it involves AI or backend work, tell us about it.

Process

How a project goes.

It starts the way everything here starts: with a conversation.

  1. Step 1

    Talk

    Tell us what you want to build and what success looks like. We ask the awkward questions early.

  2. Step 2

    Plan

    You get a written plan, a timeline and a quote before any work starts.

  3. Step 3

    Build

    We build in small steps and show you working software as we go.

  4. Step 4

    Ship

    We deploy it, watch it run, and stay around for the fixes that real use always turns up.

The tools we use

PythonFastAPINode.jsPostgreSQLpgvectorRedisMongoDBWebSockets
AWS BedrockClaudeStripeShopifyInstagram APIeBay APIsGoogle Cloud SQLPower BI

Your turn

Have something in mind?

Tell us what you're trying to build. We'll reply with questions, not a sales pitch.

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