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Viktor Andriichuk

My Career Way

From finance to AI solution architecture β€” a journey of continuous learning and technical excellence.

Professional Journey

Solo Entrepreneur & AI Solution Architect

2023 - Present UK

Building and consulting on scalable AI systems for business growth and cost optimization. Specializing in high-load applications and real-time processing systems.

Key Achievements:

  • Built conversational AI systems handling 1000+ concurrent interactions
  • Developed RAG solutions for financial and insurance sectors
  • Achieved 10x reduction in data processing costs for enterprise clients
  • Created intelligent chatbots resolving 30% of support tickets
  • Founded multiple AI-focused ventures (Gazolin Production, Agents of Fortune)
FastAPI LLMs RAG Systems AWS Neo4j Docker Redis

Senior Data Engineer

2021 - 2023 Various Tech Companies

Designed and implemented scalable data infrastructure solutions, focusing on big data processing, analytics pipelines, and cloud optimization.

Key Achievements:

  • Modernized data analytics infrastructure with 80% storage cost savings
  • Built high-throughput ML inference systems on cloud platforms
  • Implemented real-time data processing pipelines
  • Optimized database performance for large-scale applications
Python Apache Spark Data Pipelines Databricks Kafka BigQuery PostgreSQL

Python Backend Developer

2019 - 2021 Software Development Companies

Developed robust backend systems and APIs, focusing on scalability, performance optimization, and clean architecture principles.

Key Achievements:

  • Built high-performance REST APIs serving millions of requests
  • Implemented microservices architecture for scalable applications
  • Optimized database queries and application performance
  • Integrated third-party services and payment systems
Python Django FastAPI Flask PostgreSQL Redis Celery

Education & Continuous Learning

Kharkiv National University of Radio Electronics

Data Science, Master's degree

2022 - 2023

EPAM Big Data Masters Program

BigData Specialization

2022 - 2023

Igor Sikorsky Kyiv Polytechnic Institute

Applied Mathematics, Master's degree

2020 - 2021

Taras Shevchenko National University of Kyiv

Finance, Bachelor's degree

1998 - 2003

Core Competencies

AI & Machine Learning

Large Language Models RAG Systems LlamaIndex Conversational AI NLP

Backend & Infrastructure

Python FastAPI AWS Microservices Docker Kubernetes