Backend developer (Python, AI/LLM) - 31244

27 February

Specialization: Python

Open to offers now

1 600 $

Ukraine

Chernihiv

1.5 years

Intermediate

Considering options

Full-time office work

Part-time work

Remote work (full-time)

Freelance (one-time projects)

Relocate

As a Backend Developer with a Master's degree in System Analysis from IASA, I combine a strong mathematical foundation with hands-on experience in artificial intelligence technologies. My academic background in complex systems and data analysis, coupled with practical expertise in integrating LLMs and NLP services, allows me to efficiently build AI-powered solutions. Quick to master new technologies and frameworks, I maintain a careful balance between innovation and reliability in my solutions.

Education

Igor Sikorsky Kyiv Polytechnic Institute (KPI)

Master. Faculty: Institute for Applied System Analysis (IASA)

Specialty: System Analysis

September 2019 - December 2024

Experience

Backend developer (Python, AI/LLM)

Processica

August 2023 - February 2025

- Developed and implemented comprehensive AI solutions using Large Language Models (LLM), including fine-tuning, RAG architectures, and open-source model deployment on AWS VMs.

- Engineered a modular RAG system using ChromaDB and integrated various AI APIs (OpenAI, Claude, ElevenLabs) to enhance contextual understanding and response generation.

- Designed and developed a Python library for chatbot management, incorporating advanced features like user profiling, conversation analysis, and multi-platform REST API integration.

- Implemented and optimized speech technologies (TTS/STT) using ElevenLabs, OpenAI TTS, Google TTS and Whisper, significantly improving voice interaction capabilities in production environments.

- Conducted comprehensive analysis of open-source LLM models and speech synthesis services to guide strategic technology decisions and optimize deployment strategies.

- Built and maintained backend infrastructure for the company's AI platform, ensuring robust performance and scalability across multiple services.

- Authored technical documentation and articles on AI implementation, best practices, and emerging technologies.

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