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GeezerVison is showing github.com β€” lSelectral - Overview

@lSelectral lSelectral Follow
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@lSelectral
lSelectral
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🏠
Working from home

Recep Γ‡iftΓ§i lSelectral

🏠
Working from home
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Team Lead at SiriusAITech. Lead Developer and Cofounder at Preptest and Langium
14 followers Β· 21 following
  • PREPTEST
  • TURKEY
  • https://recep-ciftci.prep-test.com/en
  • @ciftci_recep72
  • in/ciftci-recep
  • preptest_ai

Achievements

Achievement: Pull Sharkx3Achievement: Pair Extraordinairex2Achievement: QuickdrawAchievement: YOLOAchievement: Arctic Code Vault Contributor

Achievements

Achievement: Pull Sharkx3Achievement: Pair Extraordinairex2Achievement: QuickdrawAchievement: YOLOAchievement: Arctic Code Vault Contributor

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lSelectral/README.md

πŸ‘‹ Hi, I'm Recep Γ‡iftΓ§i

Fullstack Developer β€’ AI Team Lead β€’ SaaS Cofounder


πŸš€ About Me

PORTFOLIO

πŸ’‘ I build scalable software systems and AI-powered SaaS platforms.
🧠 Currently Team Lead (AI/ML) at SiriusAI Tech.
🏒 Fullstack Developer at Fiyuu.
πŸš€ Cofounder & Lead Developer of two SaaS platforms:

  • πŸ”΅ PREPTEST
  • 🟣 LANGIUM AI

πŸ“ Istanbul, TΓΌrkiye
πŸ“« [email protected]


🧠 Current Focus

  • AI-driven SaaS architecture
  • NodeJS, React, NextJS, Typescript, GoLang
  • Scalable microservices (NestJS / .NET)
  • Event-driven systems (Kafka, RabbitMQ)
  • Vector databases (Qdrant)
  • Cloud-native deployments (AWS, Azure)
  • High-performance API systems

πŸ— Experience Highlights

🟒 Team Lead – SiriusAI Tech (2025–Present)

  • Technical leader of BossAI Project
  • AI/ML systems using TypeScript, MSSQL, Qdrant
  • Architecture design and team coordination

πŸ”΅ Fullstack Developer – Fiyuu (2024–2025)

  • Designed real-time routing & bonus calculation system
  • Built microservice architecture using:
    • NestJS
    • Kafka
    • Redis
    • DynamoDB
    • MSSQL
  • Systems serving hundreds of thousands of users

πŸ”΄ Fullstack Developer – Teleperformance (2022–2024)

  • Built enterprise-grade APIs used by millions globally
  • Developed salary & bonus payment system
  • Tech stack:
    • C#
    • .NET
    • Azure
    • RabbitMQ
    • ElasticSearch

πŸš€ SaaS Products I Cofounded

🧠 PREPTEST

πŸ”— https://prep-test.com/

AI-powered EdTech platform helping students prepare for international exams.
Built with:

  • NextJS
  • React
  • NodeJS
  • TypeScript
  • AWS (ECS, RDS, CDN)
  • Terraform

Features:

  • AI analytics
  • Scalable backend serving web & mobile
  • Adaptive testing systems
  • Real-time dashboards

πŸ€– LANGIUM AI

πŸ”— https://langium.ai/

AI-powered language and assessment platform.
Focused on:

  • Intelligent exam simulation
  • AI scoring systems
  • Advanced analytics
  • Performance tracking

πŸ›  Tech Stack

Backend

  • C#
  • .NET
  • Node.js
  • NestJS
  • TypeScript
  • Python

Frontend

  • React
  • NextJS
  • VueJS
  • Tailwind
  • Shadcn
  • MUI

Cloud & DevOps

  • AWS (ECS, ECR, RDS, EC2, Lambda)
  • Azure
  • Terraform
  • Docker
  • Microservices Architecture
  • DDD

Data & Messaging

  • MSSQL
  • DynamoDB
  • Redis
  • Kafka
  • RabbitMQ
  • ElasticSearch
  • Qdrant

πŸ† Achievements

  • πŸ₯‡ Huawei Developer Competition – Top 4
  • πŸš€ Teknofest Edtech Finalist

πŸ“Š GitHub Analytics


🀝 Connect With Me

Pinned Loading

  1. SELECTRA_REVIT SELECTRA_REVIT Public

    This is my personal project that includes a Revit Tab and many add-ins in it.

    C# 1

  2. near-shopping-crud near-shopping-crud Public

    Shell

  3. Teleperformance_Shopping_App Teleperformance_Shopping_App Public

    C# 1

  4. alternatif-bank-mobile alternatif-bank-mobile Public

    HTML

  5. lexical lexical Public

    Forked from meta/lexical

    Lexical is an extensible text editor framework that provides excellent reliability, accessibility and performance.

    TypeScript

  6. Response and Statue test in Postman ... Response and Statue test in Postman Test
    1
    pm.test('Should get 200 status code with JSON response', () => {
    2
        pm.response.to.have.status(200);
    3
        pm.response.to.be.ok;
    4
        pm.response.to.be.json;
    5
    })
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