Ivan Bagrintsev Email & Phone Number

Almaty, Kz

Almaty, Kz

— Configured authorization to eliminate the possibility of unauthorized access and secure user data;— Optimized authentication thereby increasing authorized zone RPS by 6 times;— Integrated login through third-party services with OAuth2 for user convenience;— Simplified the code structure, which made it faster and easier to make changes;— Tightened the use of typing in the project, due to which errors began to be identified before launch;— Improved CI to make it more difficult for non-working code to get into production;— Integrated a service for online payments;— Configured proxying of requests to static resources to limit unauthorized access.

Almaty, Kazakhstan

— Implemented a server on FastAPI using asynchronous programming, which allowed processing 200 times more requests;— Designed a PostgreSQL database to store project data;— Developed a Chrome extension on Vue.js to integrate the application directly into the user's chat interface;— Configured self-hosted open-source models (Llama2, Vicuna, Mistral, Claude, etc.) and integrated them into the system, also integrated OpenAI gpt-3.5-turbo and gpt-4;— Organized the work with serverless architecture, which reduced the cost of AI models by 4 times;— Created from scratch several modes of operation for different communication situations, connecting different LLMs and using different prompts.— Created a voice2voice system for automatic calling of suppliers on tender purchases for a large Kazakhstani oil company, which allowed the company to reduce the cost of the tender department by 60%;— Wrote an algorithm with AI to generate a checklist for the robot to follow when calling, which reduced human control by 90%;— Configured silence/speech checks on the caller's side so that the robot would not interrupt the human;— Used gpt-3.5-turbo to speed up response generation and humanize the dialog;— Integrated realistic models to generate a voice virtually indistinguishable from a live human;— Wrote a service on FastAPI, in which all the basic functionality for working with video was transferred to relieve the load on the main server;— Integrated gpt-4o for the most accurate highlite search based on video subtitles/text;— Connected Taskiq to work with tasks in the background with RabbitMQ as broker and Redis as result backend, which allowed parallel video generation and accepting new requests;— Used ffmpeg to speed up the process of cutting the best moments by at least 6x;— Used OpenCV for more detailed video processing (face detection, cropping, framing).

Almaty, Kazakhstan

— Developed a mobile application for employees to interact with the HR and accounting departments, which allowed them to exchange documents and order certificates without having to travel to the head office;— Created an API and admin panel to manage the application.