Yusuf Kantarcıoğlu

B.Sc. in Computer Engineering · GPA 3.04 / 4.00

Python, Deepgram, Gemini, DeepSeek, ElevenLabs, SIP/RTP, Next.js, TypeScript, Firebase

• Built an AI voice agent that answers business phone calls and books appointments end to end, chaining real-time speech to text (Deepgram), an LLM (Gemini, DeepSeek) and text to speech (ElevenLabs).
• Implemented the SIP/RTP telephony layer and a barge-in mechanism that lets callers interrupt the agent mid-response.
• Developed a messaging panel on the Meta WhatsApp Cloud API with CSV-based bulk messaging, a live inbox and customer tracking.

STM microcontrollers, GPS, serial communication

• Developed a real-time tracking system that reads GPS data over serial communication and shows the live location on a map on the PC.
• Programmed STM microcontroller boards and their peripherals.

Next.js, TypeScript, Android, iyzico Marketplace API, Supabase, Vercel

Players book and pay for football pitches online; pitch owners get paid out automatically.

Next.js 16, TypeScript, Cloudflare Workers, D1, R2, Better Auth, Resend

Coach and client panels for training, nutrition, check-ins and progress, in one place.

Kotlin, Jetpack Compose, Cloudflare Workers, D1, Gemini, Google Play Billing

Organizes leads by location, rooms, budget and neighborhood, then matches buyers with listings.

Next.js, TypeScript, Tailwind CSS, Framer Motion, Vercel

Responsive, SEO-optimized websites with menus, locations and ordering for two food businesses.

Flutter, Dart, Firebase, LLM API, Location services

Generates a personal route for a city and dates, then recommends what is nearby in real time.

PyTorch, Hugging Face Transformers, Flask, React, REST

Summarizes Turkish news at three lengths and predicts its category with a confidence score.

Ruby on Rails, PostgreSQL, Chart.js

Measures the time between issue status transitions, with per-user and per-category analytics.