Hello! I'm

HojayfaRahman

Work with me
Risograph portrait illustration of Hojayfa Rahman.
I buildBackendsAgentsProducts

I build

Risograph portrait of Hojayfa with warm halftone texture.

Iturnmessy๐Ÿ˜ญworkflowsintoclearsystems.APIs,queues,search,andagents๐Ÿค–shouldstayboringunderpressure.Lessnoise.Moresignalsโšกteamscanacton.

WhatI do

Risograph illustration of Hojayfa working at a laptop.

Develop

Backend systems

Designing product-critical APIs, workers, data flows, and operational services that stay boring under pressure.
PythonGoFastAPIPostgreSQLRedis

Automate

AI workflows

Turning scattered research, enrichment, search, and generation loops into reliable agent-facing systems.
RAGLangGraphSearch APIsCeleryLLMs

Shape

Product engineering

Clarifying the system, the interface, and the operational contract so teams can ship with less guesswork.
PlanningArchitectureObservabilityDX

My career and experiences

Senior Software Engineer

SubscriptionPro

NOW

Build AUREV, a multi-channel AI concierge platform for luxury travel, end-to-end โ€” architecture, backend services, agentic workflows, and the React and TypeScript operator web app โ€” across WhatsApp, email, voice, and web.

Full Stack Software Engineer

SoftStandard Solutions

2025

Built backends for three AI SaaS products โ€” sales automation (Oppora AI), AI-native search, and marketing automation โ€” with FastAPI, Django REST Framework, PostgreSQL, MongoDB, Redis, and Celery.

Software Engineer

Humana Apparels (Ha-Meem Group)

2025

Built ProTrac, a real-time production-floor tracking system with interactive dashboards and live data visualizations โ€” bottleneck detection, defects-per-hundred-units (DHU), and plan-vs-actual progress โ€” replacing day-late manual reporting with live floor-to-management signals at one of Bangladesh's largest apparel manufacturers.

Software Engineer

Hours Media Ltd

2023

Built and operated backend services for client products โ€” a reselling platform, a micro-investing platform, and e-commerce systems โ€” using Python and Next.js on PostgreSQL.

RAG
PostgreSQL
Go
Pinecone
Kubernetes
Pydantic
Vector DB
LLMs
FastAPI
LangGraph
Django

Systems for AI workloads

Tools I reach for when the system has to hold.

AI and Agents

AI/search

RAG, agents, source-aware retrieval.

Agentic WorkflowsMCP (Model Context Protocol)RAG
Service edges

APIs

Service edges and background workers.

PythonFastAPI
System path

Build path

Search, APIs, data, product.

AI and AgentsService edgesReliability base
Reliability base

Data core

Storage, queues, deploys, and recovery paths.

PostgreSQLRedis (Streams)MongoDB
Reliability base

Product surface

Interfaces where workflows become usable.

PostgreSQLRedis (Streams)
Working set

Practical stack

A compact slice grouped by layer.

AI and AgentsService edgesReliability baseReliability base