Dhaka, BangladeshAvailable for new work

We design and ship software, end to end.

Custom software, mobile, blockchain, cloud, AI, and consulting — delivered by one senior team that owns the work from first sketch to production runbook. No handoffs, no vendor relay.

  • Custom software
  • Mobile
  • Blockchain
  • Cloud
  • AI / ML
  • QA
  • Consulting
Ledgercross — blockchain and cloud solutions

The stack we work in

  • TypeScript
  • Next.js
  • React
  • Node.js
  • Python
  • Flutter
  • Solidity
  • PostgreSQL
  • Supabase
  • Docker
  • Kubernetes
  • AWS
  • Cloudflare
  • OpenAI
  • Anthropic
  • Vercel

Recent work

What we are working on now.

4 shipped6 in delivery

  1. Office Management SaaS, shipped.Next.js · React · Supabase · PostgreSQLBuilt by Ehsanul Haque Siam, Nasif Safwan, Farhan Zarif, Taharat Muhammad Jabir.
  2. InvoicePilot, shipped.React · Fastify · PostgreSQL · FastAPIBuilt by Ehsanul Haque Siam, MD Monzurul Islam, Farhan Zarif.
  3. Event Ticketing & Access Control, shipped.TypeScript · Cloudflare Workers · Durable Objects · D1Built by Ehsanul Haque Siam.
  4. Patient Management System, shipped.React · TypeScript · Vite · ConvexBuilt by Ehsanul Haque Siam.
  5. Deepfake Analyze Agent App, in delivery.WXT · React · FastAPI · GeminiBuilt by Ehsanul Haque Siam, Nasif Safwan, MD Monzurul Islam, Taharat Muhammad Jabir.
  6. Product Logistics Verification SaaS, in delivery.React · React Native · Fastify · FastAPIBuilt by Ehsanul Haque Siam, Nasif Safwan, MD Monzurul Islam.
  7. Procurement Negotiation Agent App, in delivery.FastAPI · SQLAlchemy · PostgreSQL · GeminiBuilt by Ehsanul Haque Siam, Nasif Safwan, MD Monzurul Islam, Farhan Zarif.
  8. Contract Risk Operations Agent App, in delivery.FastAPI · SQLAlchemy · Next.js · GeminiBuilt by Ehsanul Haque Siam, Nasif Safwan, MD Monzurul Islam, Farhan Zarif.
  9. Cash Recovery Agent App, in delivery.FastAPI · PostgreSQL · Next.js · GeminiBuilt by Ehsanul Haque Siam, Farhan Zarif.
  10. Identity Verification (KYC) SaaS, in delivery.FastAPI · React · PostgreSQL · InsightFaceBuilt by Ehsanul Haque Siam, Nasif Safwan.

The people who build every project above.

5 people10 projectsDhaka, on-site

Meet the team

What we build

Six capabilities, one unified team.

End to end means we own the work from the first whiteboard sketch through the production runbook.

Custom Software

Tailored systems built around the way your team actually works. Internal tools, customer-facing platforms, integrations that hold up under real load.

Custom Software

Mobile Apps

iOS and Android apps designed for retention, not download counts. Native-feeling on each platform, instrumented for what comes after launch.

Mobile Apps

Blockchain

Production-grade smart contracts, audited and indexed. Decentralized data layers that survive contact with real volume.

Blockchain

Cloud Computing

Infrastructure as code, secure by default, cost-aware. AWS or GCP, terraform or Pulumi, picked by what the workload needs.

Cloud Computing

Quality Assurance

Test pipelines that catch regressions before users do. Coverage that means something, not coverage for its own sake.

Quality Assurance

IT Consulting

Direction without the deck. Architecture reviews, vendor evaluation, technology strategy, written down and defensible.

IT Consulting

The team

The team that owns your project.

You will know exactly who is accountable before the first sprint — not after a sales handoff. The people who design and build your software are the people you talk to.

  • One team owns design, build, testing, and launch — no vendor relay.
  • Quality is part of the build. If a deadline risks work we would not stand behind, we tell you and adjust the timeline.