Костянтин

Kostiantyn Koval
Python / Machine Learning Engineer | Backend Developer | Junior AI Specialist
Location: Switzerland (Open to Remote)
Phone: [open contact info](look above in the "contact info" section)
Email: [open contact info](look above in the "contact info" section)
Telegram: @Joinksx
GitHub: github.com/kostiakova

SUMMARY
Motivated Software Engineer with a strong background in Python, Go, and backend systems,
actively specializing in Machine Learning and AI development. Possesses practical experience
in web development, Docker infrastructure setup, AWS integration, and deploying local AI
models (e.g., Whisper, Ollama). Strong Linux expertise combined with hands-on skills in
computer vision, automation, and full-stack web solutions. Currently preparing for admission to
EPFL to deepen knowledge in AI engineering.

TECHNICAL SKILLS
● Programming Languages: Python, Golang, C#, C++, Dart, JavaScript/Node.js
● Machine Learning & AI: PyTorch, TensorFlow, NumPy, ONNX Runtime, Ollama,
Whisper
● Backend & Web Frameworks: FastAPI, Flask, Django, Flutter
● Databases & Storage: PostgreSQL, Redis
● DevOps, Tools & Infrastructure: Docker, Git, Linux (Advanced/Strong Experience),
Tailscale, AWS Services, Google Colab, OpenCode

WORK EXPERIENCE
Python Trainee → Junior Python Developer | Topizda.to
March 2024 – November 2024
● Participated in teamwork and training workflows to support and build web service
infrastructure.
● Configured Docker containers for smooth site deployment and environment consistency.
● Developed backend service logic using Python.
● Integrated AWS cloud services into the project ecosystem to optimize infrastructure
performance.

Golang Developer / Infrastructure Maintainer | SpecTV Odessa
2023 – 2024
● Developed custom utility applications in Golang to maintain internal company
infrastructure.
● Maintained enterprise servers, network configuration, and automated routine
administrative tasks.
Freelance Software Developer | Self-Employed
● Developed a full-featured e-commerce website for a clothing brand.
● Implemented backend logic using Node.js and PostgreSQL.
● Deployed and configured the production application on Namecheap servers.

PROJECTS & PRACTICE
● Telegram Voice-to-Text AI Pipeline: Created a custom hook for Telegram Client that
automatically routes incoming voice messages to a personal Telegram bot powered by a
local OpenAI Whisper model for seamless automated transcription.
● Cryptocurrency Exchange Tracker & Job Aggregator: Built automated scrapers and
real-time monitoring tools for tracking crypto exchange metrics and aggregating
specialized job board listings.
● Polychrome QR Code Generation: Developed an algorithm for embedding functional
QR code patterns into polychrome (multi-color) aesthetic designs.
● Game Development: Created 2D/3D game prototypes using Unity (C#) and Godot
Engine.

EDUCATION & TRAINING
● EPFL (École Polytechnique Fédérale de Lausanne) — In Preparation for Admission
● EMF (École des Métiers de Fribourg), Switzerland — Specialized curriculum in
software development and business-oriented software maintenance.
● EPAI (École Professionnelle Artisanale et Industrielle), Switzerland — Language
preparation and core programming fundamentals.
● Lyceum "Lider", Odesa, Ukraine — High School Diploma (11 grades).

LANGUAGES
● Ukrainian / Russian: Native
● French: B2
● English: B2