Hello! I'm

HojayfaRahman

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I buildBackendsAgentsProducts

I build

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Iturnmessy😭workflowsintoclearsystems.APIs,queues,search,andagents🤖shouldstayboringunderpressure.Lessnoise.Moresignals⚡teamscanacton.

WhatI do

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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

Full Stack Software Engineer

SoftStandard Solutions

NOW

Built AI SaaS backend systems for sales automation, AI-native search, and marketing automation products.

Technical Consultant

Humana Apparels

2025

Advised on architecture, infrastructure, and performance improvements for factory workflow systems.

Software Engineer

Humana Apparels

2025

Built ProTrac for production-floor tracking, bottleneck detection, DHU, and real-time action signals.

Software Engineer

Hours Media Ltd

2023

Built and scaled backend services for digital products using Go, Fiber, PostgreSQL, and Redis.

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.

Search systems

AI/search

RAG, agents, source-aware retrieval.

LLMsRAGLangChain
Service edges

APIs

Service edges and background workers.

PythonGo
System path

Build path

Search, APIs, data, product.

Search systemsService edgesReliability base
Reliability base

Data core

Storage, queues, deploys, and recovery paths.

PostgreSQLMongoDBRedis
Delivery surface

Product surface

Interfaces where workflows become usable.

Next.jsReact
Working set

Practical stack

A compact slice grouped by layer.

Search systemsService edgesReliability baseDelivery surface