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esmaeil-taheri/README.md

👨‍💻 About Me

I'm a Back-End Developer with 3+ years of experience designing and shipping scalable, production-grade systems in Python, Django, and FastAPI. I care about what happens under the hood — data consistency, performance at scale, async processing, and systems that don't fall over under real financial or user load.

Most of my work lives in:

  • 💰 Fintech — ledger-based wallet systems serving 8M+ users and real money movement
  • 🤖 AI Platforms — event-driven microservices powering AI content generation at scale
  • 🛒 E-Commerce — order processing, payments, and public API design

I like solving the invisible, high-stakes problems: race conditions, distributed consistency, retry-safe async pipelines, and clean domain-driven architecture that scales with the business — not just the code.

Ship it clean. Make it correct. Scale it right.

  • 🔭 Currently building: ledger & settlement systems for large-scale financial platforms
  • 🌱 Currently exploring: Event Sourcing & CQRS patterns
  • 💬 Ask me about: Django · FastAPI · Celery · Kafka · Clean Architecture
  • 📫 Reach me: Esi.taheri@yahoo.com

🚀 Tech Stack

🧠 Languages & Frameworks

Golang · Python · Django · Django REST Framework · FastAPI

🗄️ Databases & Storage

PostgreSQL · MySQL · MongoDB · Redis · Elasticsearch · MinIO

⚡ Message Brokers & Async Processing

Celery · Apache Kafka · Redis Queue

🏛️ Architecture & Design

Microservices · Clean Architecture · Domain-Driven Design (DDD) · Event-Driven Architecture · Design Patterns

🔐 Security & Authentication

JWT · OAuth 2.0 · OTP · TOTP / Two-Factor Authentication

📄 API & Documentation

RESTful APIs · Swagger / OpenAPI · ReDoc

🧪 Testing & Quality

Unit Testing · Integration Testing · Test-Driven Development (TDD)

⚙️ DevOps & Infrastructure

Docker · Nginx · Linux · GitHub Actions · GitLab CI/CD

📊 Monitoring & Observability

Prometheus · Grafana

🔧 Version Control

Git · GitHub · GitLab


💼 Experience Snapshot

Role & Company Duration Highlights

Back-End Developer (Full-time) Yara E-Commerce Foundation — MelliGold Platform 18M+ users · 50K+ daily transactions · DRF

May 2024 – Apr 2026
(2 Years)

Ledger-based wallet engine (fiat + gold) with immutable transaction history, atomic buy/sell via row-level locking, Celery-driven async settlement, multi-wallet architecture, automated KYC, and OTP/TOTP secure auth.

Back-End Developer (Part-time, Remote) Sepas Holding — Opal AI Content Platform FastAPI · Microservices

Mar 2025 – Dec 2025
(10 Months)

Unified text/image/video AI generation (OpenAI, Replicate) behind one API, event-based credit system with Kafka, Celery + Redis pipelines for long-running AI tasks, Clean Architecture across Postgres/MongoDB/MinIO.

Back-End Developer (Full-time) Sigloyland Startup Django

Mar 2024 – May 2024
(3 Months)

Built the store, order processing flow, and integrated a cryptocurrency payment gateway.


📊 GitHub Analytics




📫 Let's Connect



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