Backends that stay fast when the load doesn't.

Sr. Backend Architect · Node.js · NestJS · PostgreSQL · LLM/RAG · Dhaka, Bangladesh · GMT+6

200 ms20 mshot-path list API rewrite. p95, prod.

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Available for remote, on-site and contract engagements

Trusted by teams I've shipped for

Three shipped things you can inspect right now.

~200 ms → ~20 ms
Hot-path list API rewrite
Compound indexing on (tenant_id, created_at), single-join query rewrites, cache-aside on hot pages, DTO projection. Autocannon benchmarks and green CI on GitHub.
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Zero cross-tenant leaks
Multi-tenant Row-Level Security starter
Postgres RLS with 8 integration tests that actively try to leak data across tenants. Boundary moved from application code to the database.
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5,000+ companies served
Message pipeline at MessageMind
WhatsApp, Messenger, Instagram and web-chat over NestJS microservices with Kafka and BullMQ. Meta Business Partner, GDPR-hosted in Frankfurt.
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Now

Sr. Backend Architect at ZMC Technologies.

Owning backend architecture across a three-product PropTech roadmap: ERP, CRM, and a trading platform. Available for parallel contract collaborations.

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Latest projects.

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Client
api-latency-case-study
Cut a hot-path list API p95 from ~200 ms to ~20 ms — reproducible autocannon benchmarks and green CI.
Case study

Recent roles.

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Engineering
Custom Code Review rules for Codex
When doing code reviews with Codex, some comments keep coming back. It could be about preserving an older API contract, keeping customer data out of logs, or avoiding a rename that would break another service.
Aug 1, 2026

Seven years, six countries, two exits.

0+
years shipping production Node
0
countries: IL · IT · DZ · SA · BD · PK
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SaaS products acquired. NDA. Contract on request.
0%
remote-contract, international teams

Five languages, five markets.

Bengali
Native
English
Full professional
Hindi
Professional working
Hebrew
Elementary
Arabic
Elementary

Building something that needs a backend that scales?

I take a small number of contract engagements each year. If your backend is bending under load, or you're scoping something new that has to be right at v1, let's talk.

Usually replies within 24h · GMT+6

Backends that stay fast when the load doesn't.

Three shipped things you can inspect right now.

Hot-path list API rewrite

Multi-tenant Row-Level Security starter

Message pipeline at MessageMind

Sr. Backend Architect at ZMC Technologies.

Latest projects.

api-latency-case-study

Recent roles.

Senior Backend Architect

Senior Software Engineer, Backend

Backend Lead

Full-Stack Delivery Lead

Latest posts.

Custom Code Review rules for Codex

Seven years, six countries, two exits.

Five languages, five markets.

Building something that needs a backend that scales?