Denys

Denys Neliubov
21 Y.O.
INFORMATION Languages: Email: [відкрити контакти](див. вище в блоці «контактна інформація»)
ENG (B2) EST (B2) UKR/RUS (Native) Location: Estonia

PROFESSIONAL Full-stack Developer and Supervisor
EXPERIENCE March 2025 – Present | Proceedit | Fintech & Predictive Trading

Designed and developed scalable microservices powering web and mobile applications, covering user
verification, authentication & authorization, user management, request processing, and a dedicated
encryption service for secure data flow.
Built and maintained REST and GraphQL APIs in Python (Flask), supporting event-driven interactions
(subscriptions, profile updates, localization) with optimized PostgreSQL queries and efficient database
migrations for low-latency access.
Supported Kubernetes deployments and maintenance, performing rollouts, restarts, log inspection, and
configuration updates; collaborated with DevOps to troubleshoot issues, manage pods, and ensure stable
service delivery.
Integrated Flutter and FlutterFlow apps with backend APIs, implementing dynamic UI rendering, state
management for real-time updates, and translating Figma designs into production-ready mobile interfaces for
seamless end-to-end data flow.
Enhanced UI/UX by refining layouts in Figma using the company’s design system, delivering visually consistent
and user-friendly experiences across platforms.

Software Developer
June – August 2024 | MetalMaker3D | Metal Casting Service

Developed backend algorithms in Python to process machine commands and manage 3D object data,
including vertices, meshes, and polygon modifications for casting-ready models.
Designed and implemented mathematical functions for metal casting simulations: flexible tunnel calculations,
surface slicing, and volume estimations to optimize mold filling.
Built interactive UI components using ImGui and PyGUI, including buttons, event handlers, and click tracking on
3D objects for precise user interaction.
Worked on multi-rendering systems (cube maps, compasses, and viewport overlays) similar to Blender,
enabling real-time visualization and manipulation of complex models.
Collaborated with cross-functional teams to prototype and refine industry-specific 3D modeling workflows,
improving performance and usability for casting processes.

TECHNICAL Languages: Python, JavaScript, C#, SQL
SKILLS API Development: FastAPI, REST, GraphQL, API Integration, OAuth2
Web & Mobile: Node.js, Flutter, FlutterFlow, HTML, CSS
Databases: PostgreSQL, MySQL, SQLite
Tools & Infrastructure: Jira, Git, Kubernetes, Docker (basic), CI/CD (familiar)

PROJECTS Real-Time Public Transport Web Client
Node.js, MySQL, HTML, CSS
Web app fetching and displaying live bus/tram schedules across Estonia via public APIs.
Game Meta-verse Bot
Python, MySQL, Highrise SDK
Built bots for blackjack and social interactions in metaverse games with real-time API communication.
Spinner – Entrepreneurial Startup Project 2025
Flutter, FastAPI, ChatGPT API + Fine-Tuning
Gamified AI fitness pet app; users raise a virtual companion that grows with workouts.

EDUCATION University of Tartu
Bachelor’s Degree in Information Technology Systems Development
(3rd year of 3, expected graduation: 2026)