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Senior Full-Stack Developer with 4 years of professional experience, holding a Bachelor’s and Master’s degree in Computer Science. Experience spans the end-to-end lifecycle, including DevOps, frontend, backend, and system architecture. This includes building backends that integrate machine learning models and architecting scalable systems using technologies such as NestJS, FastAPI, Spring Boot, SQL, Redis, MongoDB (Vector Search), Docker, AWS, and Google APIs. Proven track record collaborating with data scientists, designers, and frontend developers to move projects into production. A focus on learning new things and understanding them in detail is a priority. Obsidian is used for note-taking and documentation to stay organized. Personal interests include neurology, philosophy, physiology, and computer science.

CODE

Abstract Folder

an Obsidian plugin that generates a virtual file hierarchy by interpreting YAML frontmatter properties within notes, operating independently of the...

JavaScript/TS

Obsidian API

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Automated e KYC Verification System

I architected and built a FastAPI-based document authentication system for ID cards and Passport verification. I engineered the backend infrastructure...

Python

OpenCV, DeepFace, FastAPI

Automated Workflow and Digitization System

Architected, lead and developed a digital transformation system for SL Organic, moving their business away from manual, paper-based operations. The...

Python, NestJS

FastAPI, Textract, OpenCV, S3 Bucket, Whatsapp API, PostgreSQL, Docker

Distributed Web Crawler

A distributed web crawler backend designed for depth-first data extraction from modern websites. It uses Playwright to render JavaScript-heavy content,...

Python

Scrapy, Scrapy-Playwright, Docker, Redis, SQLite

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Distributed Whatsapp Messaging Bot

A distributed messaging architecture designed for high-concurrency WhatsApp automation. The system leverages a decoupled producer-consumer model using FastAPI and Redis...

Python

Redis, S3, OTel stack, Docker

Docubutler.AI

I served as the Lead Full Stack Developer for their AI Finance Automation platform. My role involved architecting the entire...

JavaScript/TS, Python

NestJS, Angular, Textract, S3 Bucket, SES, Google Drive API, MongoDB, LangChain, EC2, Otel Stack, Docker

ErfanRahmani.com

Developed a custom WordPress theme, "erfans-theme," using PHP, HTML, JavaScript & CSS. This project demonstrates my ability to build unique...

PHP, JavaScript, CSS, HTML

WordPress

Real Time Transaction Fraud Prevention

I architected and built the core FastAPI backend to identify and mitigate fraudulent card transactions in real-time. I collaborated with...

Python

FastAPI

Wallet Microservice

High-availability AWS Fargate service for financial ledger management. Uses MongoDB atomic operations and "majority" concerns to ensure monetary integrity and...

Java

Springboot, Fargate, Mongodb, Docker

WhatsApp Business API Integration

Backend integration for OTP delivery and marketing automation via the WhatsApp Business Cloud API. The system manages message templates and...

Typescript

Nestjs, Whatsapp API, Docker, Amazon ECS

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Language

Tools

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Skills

Languages

• C++
• CSS
• HTML
• JavaScript/TS
• PHP
• Python

AWS

• Bedrock
• DynamoDB
• EC2 / Lightsail
• Fargate / ECR / ECS
• S3
• SES
• Textract

Databases

• DynamoDB
• MongoDB
• MySQL
• PostgreSQL
• Qdrant
• Redis
• S3
• SQLite

DevOps

• Docker
• Git
• Jenkins
• Kubernetes

Frameworks & Libraries

• Angular
• FastAPI
• Grafana
• gRPC
• Loki
• NestJS
• Nginx
• Node.js
• OTel
• Prometheus
• RAG Models / Langchain
• Selenium Grid

Tools & Platforms

• Photoshop
• Premier Pro
• WordPress

Resume