Bohdan

CONTACT
KOVAL BOHDAN
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FULL-STACK DEVELOPER
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Lviv, Ukraine

[открыть контакты](см. выше в блоке «контактная информация») WORK EXPERIENCE

t.me/b0hdank
Red Rocket Software 2025 - PRESENT
Node.js Developer
github.com/KovalBohdan-0
Architected high-performance backend services for a
ride-hailing platform using NestJS and TypeORM,
ensuring low-latency data processing.
SKILLS Engineered a real-time tracking system for drivers and
couriers using WebSockets, handling live location
NestJS, NodeJs, Express, JWT
updates with minimal delay.
React, Redux, Tailwind Implemented robust background job processing with
PostgreSQL, TypeORM, SQL BullMQ to handle ride matching and payments
asynchronously, preventing API blocking.
MongoDB, NoSQL
Integrated Firebase Cloud Messaging (FCM) for instant
JavaScript, TypeScript push notifications and Amazon S3 for secure, scalable
Docker, CI/CD file storage.

AWS, Azure,
Technologies: Node.js, NestJS, JavaScript(TypeScript),
BullMQ, Firebase TypeORM, PostgreSQL, WebSockets, BullMQ, Firebase,
REST, Websockets Amazon S3, MongoDB

Git, Linux
Jest, Playwright Mocoding LLC 2024 - 2025
Full-Stack Developer

LANGUAGES Optimized database performance by analyzing and
rewriting complex SQL queries in PostgreSQL, improving
English - Upper-intermediate (B2) data retrieval speeds for the admin dashboard.
Ukrainian - Native Designed and integrated a full-text search engine using
Elasticsearch, enabling fuzzy matching and relevance
ranking for end-users.
Developed a responsive Admin Panel using React and
EDUCATION Redux, allowing non-technical staff to manage content
and users efficiently.
LVIV POLYTECHNIC UNIVERSITY Established a testing culture by introducing Unit (Jest)
and E2E (Playwright) testing, significantly reducing
Master's in Computer Science regression bugs in production release
2025 – Present
Technologies: NestJS, NodeJs, JavaScript(TypeScript),
PostgreSQL, TypeORM, Azure, Linux, React, Jest,
Bachelor's in Computer Science
Elasticsearch, Git, HTML, CSS
2021 – 2025