Богдан

Bohdan Zamorskyi
[open contact info](look above in the "contact info" section) | [open contact info](look above in the "contact info" section) | Lviv, Ukraine

Work Experience

Calypso
Full Stack Developer | 04/2022 – 04/2025 (part-time)

- Developed server-side logic for web applications: handled requests, worked
with databases, and implemented business logic.
- Coded and optimized HTML, CSS, and JavaScript for responsive and cross-
browser website functionality.
- Created and configured MySQL databases, optimized SQL queries.
- Tested application functionality, debugged issues, and improved project
stability.
- Integrated third-party REST APIs to extend web application functionality.
- Collaborated closely with designers and managers to fulfill project
requirements.
- Regularly updated website features, added new functionalities, and provided
technical support post-launch.

Website for vape distribution acalypso.com .

Website online-magazine cannatimes.com .
Design : figma.com/design/9pc9aChn8v6Ui29Icxjmei/CannaTimes?node-id=2-
3&p=f

3Koin | Lviv, Ukraine
Unity Developer | 08/2023 – 09/2024

- Designed game mechanics, characters, objects, UI elements, and
environments in Unity using C#.
- Wrote and optimized C# code for game logic and user interaction.
- Worked with 2D/3D graphics: imported models, set up textures, animations,
and materials.
- Integrated audio and visual effects to enhance the gaming experience.
- Implemented client-server interaction via API for browser-based games.
- Tested games on multiple devices, fixed bugs, and optimized performance.
- Back end development Node JS.(game deploy in browser)

Freelance Projects
- Website for local construction business. Іnformational website using HTML
and CSS for design, and JavaScript for scripts. link : austin-one.vercel.app
- Website for local restaurant business. Іnformational website using HTML
and CSS for design, and JavaScript for scripts. link :
beverlyshawarma.vercel.app

- Website for Podcast App. Іnformational website using Next JS : vcasst.com

- APP for Podcasts Speedy V-Casst (Node + React Native).
https://apps.apple.com/us/app/speedy-v-casst/id6743240751

Implemented backend functionality using Next.js API Routes, enabling
server-side logic within the same codebase.
Built RESTful API endpoints for handling HTTP requests, integrated MySQL
databases via Prisma, and implemented authentication using NextAuth.js
and JWT.
Managed secure environment variables, processed form data, and connected
to external APIs to extend application functionality
Developed a cross-platform mobile application using React Native (iOS &
Android) and a Node.js backend.
Built and styled application screens in React Native, creating responsive,
pixel-perfect layouts based on Figma/UI designs.
Designed and implemented RESTful APIs in Node.js (Express) to support
core app functionality.
Integrated the mobile app with the backend API (data fetching, error
handling, authentication flows).
Implemented user authentication and authorization (JWT sessions, secure
password handling, role-based access where needed).
Worked with navigation, deep links and multi-screen flows (React
Navigation).
Connected the app to third-party services (e.g. payment providers, maps,
push notifications, analytics).
Optimized app performance (reducing API calls, improving rendering,
handling large lists, caching).
Wrote reusable UI components and hooks to keep the codebase clean and
maintainable.
Created and maintained database models and queries (Firebase)on the
backend.
Implemented validation and error handling on both client and server side.
Participated in code reviews, refactoring and improving overall code quality.
Set up basic CI/CD workflows for building and delivering app updates.
Collaborated with designers and stakeholders to clarify requirements and
improve UX.
 2. Skills
C# (Unity): Developed complete 2D games, including mechanics, UI, physics,
animation, and progress saving.

C# / .NET : Proficient in C# and .NET Core with a solid grasp of OOP and
SOLID principles. Experienced in building RESTful APIs and implementing
business logic using asynchronous programming (async/await).

Data Management / ORM : Hands-on experience with SQL Server and Entity
Framework Core for database modeling and management. Skilled in writing
efficient LINQ queries and ensuring data integrity through migrations and
proper architecture.

HTML/CSS/JavaScript: Built responsive interfaces, added dynamic JS
interactions, optimized rendering. Frameworks : React , Next JS, Node Js

SQL (MySQL): Designed DB structures, wrote complex queries, worked with
indexing and transactions.

Git / GitHub: Used version control actively, created pull requests, resolved
conflicts.

CI/CD: Set up automated testing and deployment using GitHub Actions.

Docker: Containerized apps for local development and testing.

Teamwork: Communicated with designers, managers, and clients,
maintained documentation, and prepared presentations.

Python : Python3/Pytest : Experienced in building scalable automated tests
using OOP principles and Page Object Model (POM). Proficient in API testing
(Requests/Postman) and developing automated scripts that ensure high test
coverage for complex software systems.

QA Methodology : Solid understanding of SDLC/STLC and test design
techniques. Proven ability to translate business requirements into clear
Gherkin scenarios and technical test cases.

Education
Lviv Polytechnic National University | Lviv, Ukraine

Bachelor of Systems Engineering (IoT) | 06/2022