Kostiantyn
Ilnytskyi
About Me
My Journey
From New York to Calgary, I've been coding since high school. Won Top 10 Student Achievement Award and never stopped building since then.
Competition Ready
1st place at Cultivator Hackathon. 6th out of 60 teams at RBC Hackathon. I thrive under pressure and love solving hard problems fast.
Real Impact
Built systems serving 5,000+ users. Reduced load times by 40%. Increased transactions by 25%. Numbers don't lie.
Teaching & Leading
Led 30-person dev team. Taught programming to 25+ students. 90% continued with CS. I build people, not just products.
Key Achievements
What sets me apart
1st Place
Cultivator Hackathon
Led team of 6 to win by building ShopLocal platform in 24 hours
6th / 60
RBC Hackathon Semi-Finals
Built real-time motion capture system with <50ms latency
5,000+
Active Users Served
Built and optimized platforms serving thousands of users
40%
Load Time Reduction
Optimized performance through caching and API refactoring
30 Devs
Team Leadership
Led UI/functionality for 30-person team • Perfect grade achieved
NPM
Published Open Source
AI Chat Assistant library used by developers worldwide
🎯Proven Results
- ✓Increased successful transactions by 25% with payment optimization
- ✓Improved business efficiency by 30% through automation
- ✓Delivered complete e-commerce platform in 6 weeks
- ✓90% of students I taught continued with computer science
🏆Recognition
- ★Top 10 Student Achievement Award (High School)
- ★Outstanding Software Engineering Achievement Award
- ★Science Internship Program & Microplacements Program
- ★Perfect grade on 30-person team project
Experience
Where I've made an impact
Computer Science Tutor
University of Calgary
- →Tutored 10+ students in Python and Java, covering data structures and algorithms
- →Created custom study materials targeting each student's weak areas
- →Improved test scores through personalized learning approach
Full Stack Developer
Lemmer Ltd. (Microplacement)
Calgary, AB
- →Built Rustsol.com from scratch using Next.js, Express.js, and Supabase
- →Developed secure authentication and payment systems with encryption
- →Delivered in 6 weeks, improved efficiency by 30% through automation & CI/CD
Software Developer Intern
CommerceMate.co
Remote (Los Angeles, USA)
- →Improved performance for 5,000+ active users by reducing load times 40%
- →Integrated Stripe and PayPal APIs, increasing transactions by 25%
- →Worked with team of 8 developers using Agile sprints and code reviews
Programming Instructor
Ukrainian Educational Center
Calgary, AB
- →Taught Python programming to 25+ middle school students
- →Covered basic concepts and problem-solving through hands-on projects
- →90% of students showed interest in continuing with computer science
Featured Projects
Hackathon wins & real-world impact
ShopLocal Platform
Cultivator 24-Hour Hackathon • Regina, SK
Led team of 6 to win 1st place by building MVP that connects local businesses with customers. Built complete online storefront system with inventory management and secure payment processing.
AI Chat Assistant
NPM Package • Published Library
Published npm package that lets developers add AI chat to Next.js apps in under 5 minutes. Built HTML parsing system with security restrictions and sanitization to prevent injection attacks.
Motion Capture System
RBC Hackathon Semi-Finals • Calgary, AB
Placed 6th out of 60 teams, reaching semi-finals with live demo and business pitch. Built real-time body tracking system using computer vision with under 50ms response time.
OMG Gaming Platform
UI/Functionality Lead • University Project
Led UI design and functionality for multiplayer board game platform supporting Chess, Connect 4, and Tic-Tac-Toe. Coordinated 30-person team • Achieved perfect grade with profile management, leaderboards, and friend challenges.
My Tech Stack
Languages, frameworks, and tools I use daily
Frontend
React, Next.js, TypeScript, Tailwind CSS, JavaFX
Backend
Node.js, Express, Flask, PHP, PostgreSQL, Supabase
AI & Systems
OpenAI API, Anthropic API, OpenCV, Computer Vision
Core Competencies
Leadership
Mentorship • Team Collaboration • Educational Program Design • Cross-functional Communication
Technical
Full-Stack Development • System Architecture • API Integration • Performance Optimization • Agile Development
Education
Academic journey & achievements
Bachelor of Science in Computer Science
University of Calgary
Concentration: Software Engineering
Science Internship Program
Enrolled in both Science Internship Program and Microplacements Program
High School Diploma
Urban Assembly Gateway for Technology
New York, NY
Top 10 Student Achievement Award
Recognized for outstanding academic performance
Outstanding Software Engineering Achievement Award
Excellence in software development and engineering
Continuous Learning
Self-taught in modern web technologies, AI APIs, and system design through building real projects
Competition Experience
Won multiple hackathons by quickly learning new technologies and building under pressure
Teaching & Mentoring
Solidified knowledge by teaching Python, Java, and CS fundamentals to 35+ students
Let's Build Something
Open to internships, projects, and collaborations
Looking for Summer 2026
Seeking software engineering internships. I bring hackathon wins, real-world experience with 5000+ users, and a track record of shipping quality code fast.