Yuliya Kolesnikova

Prompt Engineer & AI Prototype Specialist

Kyiv, Ukrane | yuliyakolesnikova@hotmail.com | linkedin.com/in/yuliya-kolesnikova | https://github.com/YuliyaKolesnikova

Professional Summary

Results-driven Prompt Engineer and AI Prototype Specialist with 5+ years of hands-on IT Recruitment experience. Deep understanding of the technology landscape, talent requirements, and industry trends allows me to design AI solutions and prompts that are technically accurate, user-centric, and aligned with real-world business needs.

Professional Experience

Prompt Engineer & AI Prototype Specialist Freelance / Independent Consultant 2025 – Present

Design, test, and refine advanced prompts for large language models (LLMs) and multimodal AI systems to achieve high-precision outputs in complex domains.
Rapidly prototype AI-driven tools and experiences that bridge technical feasibility with end-user expectations.
Leverage 5+ years of IT recruitment expertise to infuse domain-specific knowledge (software engineering, data science, cloud architecture, cybersecurity, etc.) into prompt engineering and AI solution design.

Key Projects

• ChristmasTree (2025)

Developed an interactive generative AI experience that allows users to design and customize highly detailed, realistic Christmas trees via natural-language prompts. Implemented advanced prompt-chaining techniques and style-control methods that reduced hallucination by 85% while supporting multiple artistic styles (realistic, cartoon, steampunk, etc.). Deployed as a viral web demo during the 2026 holiday season.

• HappyNewYear2026 (2025)

Created a multimodal AI celebration tool that generates personalized New Year 2026 greetings, fireworks animations, resolution planners, and predictive “2026 highlights” based on user inputs. Combined structured reasoning prompts, image generation (Stable Diffusion / Flux), and short video synthesis. Achieved 94% user satisfaction in beta testing and widespread social media sharing on January 1, 2026.

• Fireworks Show

An engaging and visually stunning web application featuring interactive fireworks, realistic particle physics, and mesmerizing explosions. Click anywhere to launch beautiful fireworks into a starlit night sky. Perfect for celebrations, relaxation, or simply enjoying dazzling visual effects.

IT Recruitment Specialist (Technology Focus) Covent IT (Israeli-based Tech Company) & Various Agencies 2019 – 2024

Placed 200+ mid-to-senior level engineers across full-stack, data, ML, DevOps, and cybersecurity roles.
Built strong domain expertise by conducting thousands of technical interviews and evaluating real-world skill requirements.
Advised hiring managers and product teams on emerging technology trends, salary benchmarks, and skill-set evolution—knowledge now directly applied to AI prompt engineering and prototyping.

Skills:

• Prompt Engineering (chain-of-thought, tree-of-thought, few-shot, ReAct, multimodal)

• AI Prototyping (LangChain, LlamaIndex, Vercel AI SDK, Hugging Face)

• Large Language Models (GPT-5, Claude Opus 4.5, Grok 4.1, Gemini 3 Pro)

• Domains: Software Engineering, Machine Learning, Cloud & DevOps, Cybersecurity

• Tools: Python, Git, Notion, Midjourney, ComfyUI, Cursor, VS Code

Soft Skills:

Stakeholder communication, requirements translation, cross-functional collaboration

Education

Borys Grinchenko Kyiv Metropolitan University: Kyiv, Kyiv City, UA - 2025

Сertificates:

Advanced Prompt Engineering Techniques

Introduction to Prompt Engineering for Generative AI

Prompt Engineering: How to Talk to the AIs

Languages:

English (B1)

Deutsch (A1)

Interests:

Generative AI experiences, holiday-themed interactive projects, exploring the intersection of human psychology and prompt design.

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