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Oles
POTASKALOV
Full Stack Developer

Profile
Recent Computer Science graduate from Kyiv Polytechnic Institute
(KPI), specializing in Web Development, with a Bachelor's degree in
Contact hand. Strong Frontend background with hands-on experience in
React, Next.js, and Angular. Solid Backend experience with NestJS and
[open contact info](look above in the "contact info" section) ASP.NET (.NET). Currently focused on deepening my skills in Node.js-
[open contact info](look above in the "contact info" section) based backend development. A curious, open-minded professional
with a strong drive for continuous learning, and genuinely motivated

Education to support others in achieving their goals.

National Technical University of Ukraine Work Experience
“Igor Sikorsky Kyiv Polytechnic Institue”
Bachelor of Software Engineering
2022 - 2026
February 2026 - Present
ITeam Development
National Technical University of Ukraine
“Igor Sikorsky Kyiv Polytechnic Institue” Full Stack Developer
Master of Software Engineering
2026 - Present Working on web and mobile products across the full stack. Built
frontend features using React with Craco, and backend services
with NestJS, deployed on AWS infrastructure. Extended into
Hard Skills mobile development using Flutter (Dart) for cross-platform
applications. Handled data modeling and persistence with
JavaScript & TypeScript TypeORM on PostgreSQL. A significant part of the work involved
HTML & CSS geospatial integrations – Google Maps API, Google Places,
Angular, React & NextJs Overture Maps bulk data, and OpenStreetMaps – for location-
based features and large-scale map data processing. In
TanStack Query (React
parallel, contributed to a separate project built on Supabase,
Query) using Drizzle ORM for schema design and database queries,
Redux & NgRx focusing on backend logic and data layer integration.
NestJs, Express, Fastify
May 2024 - January 2026
MySQL & PostgreSQL &
Unity Bars | Ukraine Software development
MongoDB
Junior software engineer
Prisma & TypeORM
Software engineer worked on various projects, mainly with the
Docker
frontend part based on Angular and React. I was responsible for
Redis developing various modules, implementing new individual
RabbitMq features and edits to existing projects, both to improve UI UX
and to refactor code. A large part of all projects involved
AWS
working with complex components and structures designed for
Microservices / message-
either calculations or the correct display of larger visual
driven architecture components/communication with the backend. I was also
Basics of Dart (Flutter), PHP, responsible for the complete development of the front-end part
Java and C# (.NET) of individual projects, along with partial back-end support
based on .Net, with the use of Entity Framework, Mediator, etc.

2023 - Present
Soft Skills Freelance
Willingness to learn Backend / Frontend / Fullstack developer
Flexibility Freelance developer working on diverse projects requiring flexible and
cross-disciplinary skill sets across frontend and backend development.
Problem-solving Delivered both feature enhancements and full product development
Creative thinking depending on client needs. Worked on improving and extending
existing platforms built with Laravel (PHP), developed complete

Languages applications using Angular, enhanced backend logic with NestJS.
Experience includes adapting to existing architectures, refactoring
English - B2 legacy code, and delivering scalable solutions aligned with business
goals.
Ukrainian - Native