Станислав

STAS KHRAPKO
Unreal Engine AI & Gameplay Developer

📧 [open contact info](look above in the "contact info" section) | 📞 [open contact info](look above in the "contact info" section) | 🔗 LinkedIn
SUMMARY

Unreal Engine AI & Gameplay Developer with 8+ years of professional game development experience,
including 6+ years working with Unreal Engine 4/5. Specialized in C++, Blueprints, Gameplay Ability System
(GAS), AI programming, combat systems, and gameplay architecture. Experienced in developing Souls-like
combat mechanics, advanced enemy AI, boss encounters, faction systems, and modular gameplay abilities.
Passionate about building responsive combat, intelligent AI behaviors, and scalable gameplay systems while
optimizing performance for high-quality player experiences.

KEY SKILLS

AI & Gameplay: Gameplay Ability System (GAS) • AI Behavior Trees & Blackboards • AI
Perception • Combat AI • Souls-like Combat Systems • Boss AI • Gameplay Programming •
Faction Systems • State Machines • Combat Balancing
Programming: C++ • Blueprints • Gameplay Framework

WORK EXPERIENCE
Unreal Engine AI Gameplay Programmer
Hidden Mind Games
September 2025 – May 2026

Architected AI combat systems for a Souls-like action RPG using Unreal Engine 5, C++,
Blueprints, Gameplay Ability System (GAS), and Behavior Trees.
Implemented scalable enemy AI architecture, supporting multiple enemy classes, bosses,
creatures, and humanoid combatants with unique abilities and combat logic.
Designed modular combat behaviors, including attack combos, blocking, dodging, parrying,
positioning, aggression tuning, and decision-making systems.
Developed a faction-based relationship system, enabling dynamic AI interactions between
allies, enemies, neutral NPCs, and hostile creatures.
Built AI perception systems utilizing Sight, Hearing, and threat evaluation to drive adaptive
combat behavior.
Created reusable GAS abilities for enemy attacks, special skills, reactions, and combat
states.
Balanced enemy encounters by tuning combat parameters, behavior priorities, difficulty
progression, and boss fight mechanics.
Optimized AI performance for large combat scenarios while maintaining responsive gameplay
and believable enemy behavior.

Unreal Engine Developer
Qualium Systems
August 2024 – January 2025

Extended and customized VR SDK by integrating hand-tracking gloves, enhancing realism
and user immersion.
Designed and implemented innovative gameplay mechanics and intuitive character
controls for a third-person slasher game, improving player experience.
Developed and optimized immersive gameplay features for a cyberpunk-themed VR
shooter, increasing player engagement and retention rates.

Unreal Engine Developer
SolidCore Games
March 2022 – August 2024

Developed and refined a dynamic combat system for a Dark Souls-inspired game,
significantly enhancing player engagement and retention.
Implemented advanced IK solutions for multi-legged creatures, achieving more realistic
movement and interactions.
Created a robust framework for character customization, increasing replayability.
Developed and optimized AI behaviors, leading to more challenging and intelligent enemy
interactions.
Integrated high-quality visual and sound effects, enhancing game atmosphere and user
immersion.
Produced game demos and trailers, improving marketing reach and investor interest.

Unity Developer
Various Commercial Projects
2020 – 2022
Built AR/VR applications with integrated online store capabilities, improving user engagement
and monetization.
Developed a cross-platform battle royale game, optimizing for seamless multiplayer
experience.
Created a mobile coloring book app with interactive storytelling, boosting user retention
among children.
Designed an AR-based restaurant app, allowing customers to visualize dishes before
ordering, improving customer experience and order accuracy.
Developed an interactive architectural visualization app, helping real estate companies
showcase new buildings in AR/VR.
Unity Developer
Computools
2019 – 2020

Designed and developed interactive applications in Unity (C#) with in-app purchase
functionality, improving monetization and user engagement.
Implemented secure payment integrations and optimized transaction workflows.
Developed industry-specific simulation and training applications with a focus on usability
and immersive user experience.
Collaborated with designers, QA engineers, and stakeholders to deliver high-quality
software aligned with business requirements.
Optimized application performance, stability, and responsiveness across multiple projects.
Performed debugging, testing, and issue resolution, reducing defects and improving overall
product quality.

Unity Developer
CMS Games LLC
2017 – 2019

Developed and published mobile games for Android and iOS, optimizing controls and
performance.
Created immersive VR experiences, fine-tuning interaction mechanics for realistic gameplay.
Managed publishing processes on Steam, Oculus Store, Google Play, and App Store,
ensuring compliance and maximum market reach.
Integrated Google Analytics and Facebook SDK

EDUCATION

Master of Computer Science and Technology
Zaporizhzhia National Technical University (ZNTU)
2014 – 2018

LANGUAGES
Ukrainian — Native
English — Upper-Intermediate (B2)

TECHNICAL HIGHLIGHTS

AI Gameplay Programming
Gameplay Ability System (GAS)
Behavior Trees
AI Perception
Combat Systems