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Отримати контакти цього кандидата можна на сторінці https://www.work.ua/resumes/17259037/

Досвід роботи

Senior Full Stack Engineer

з 10.2023 по 12.2025 (2 роки 3 місяці)
Tatum, Remote (IT)

Working on production SaaS platforms serving developer-focused and fintech-oriented products with strong blockchain components.
• Designed and developed high-performance backend services using Python (FastAPI, Django), delivering RESTful APIs for data-intensive applications in a microservices architecture.

• Built backend services handling transaction monitoring, signature validation, and blockchain event processing.

• Designed and documented RESTful APIs with strict validation and backward compatibility.

• Improved database performance through indexing, query refactoring, and Redis caching.

• Built background job processing systems for asynchronous workflows.

• Improved Core Web Vitals through bundle optimization, lazy loading, and structured code splitting.

• Applied SEO best practices including metadata control, structured data, canonical handling, and crawl-friendly rendering.

• Integrated blockchain functionality including wallet authentication flows and smart contract interactions using ethers.js and Web3 providers.

• Implemented AI-powered internal tools using external LLM APIs to support automated documentation, smart validation layers, and support workflows.

• Took ownership of production incidents and long-term performance improvements.

• Contributed to CI workflows and maintained code quality through structured pull requests and reviews.

Fullstack-розробник

з 05.2019 по 09.2023 (4 роки 5 місяців)
STRV, Remote (IT)

Started primarily as a backend contributor and gradually moved into ownership of full-stack and fintech-related systems.

• Developed React and TypeScript-based frontend applications used by high-volume users.

• Built modular component libraries to standardize UI behavior across products.

• Focused on responsive UI behavior across major browsers and devices.

• Refactored legacy JavaScript codebases into strongly typed TypeScript architecture.

• Improved application performance by reducing unnecessary re-renders and optimizing state management.

• Implemented SEO improvements including structured metadata and improved page indexing behavior.

• Maintained Git-based workflows with structured branching and peer code reviews.

• Collaborated daily with designers, backend engineers, and product managers in distributed teams.

• Built supporting backend endpoints using Node.js and occasionally Python services.

Fullstack-розробник

з 06.2017 по 04.2019 (1 рік 11 місяців)
Accenture, Remote (IT)

Built foundational backend experience in structured enterprise environments.

• Developed backend services using Java and PHP.

• Built REST endpoints consumed by frontend applications.

• Assisted in implementing responsive UI adjustments using HTML, CSS, and JavaScript.

• Worked with Git version control in enterprise development environments.

• Participated in internal frontend best-practice discussions around browser compatibility and performance.

• Gained early exposure to Linux environments and server configuration basics.

Освіта

Transilvania University of Brașov

Computer Science, Lviv
Вища, з 2015 по 2018 (3 роки)

Додаткова освіта та сертифікати

Немає додаткової освіти та сертифікатів.

Знання і навички

• JavaScript
• TypeScript
• Python
• Java
• Kotlin
• Golang
• Rust
• C#
• PHP
• Solidity
• Swift programming language
• Node.js
• Express.js
• NestJS
• Django
• FastAPI
• Flask
• Spring boot
• Laravel
• GraphQL
• WebSocket
• React
• Next.js
• Vue.js
• Nuxt.js
• Tailwind CSS
• PostgreSQL
• MySQL
• Microservices
• MongoDB
• Redis
• SQL
• AWS
• Google Cloud Platform
• Kubernetes
• Docker
• CI/CD
• Unit testing
• Integration testing
• Functional testing
• AI integration
• PyTorch
• TensorFlow
• Llm agents
• Machine learning
• React Native
• Spring Framework
• C/C++
• AngularJS
• Spring Data JPA

Знання мов

Англійська — просунутий

Додаткова інформація

Telegram : @vrasebastian