YK

YURI KULCHYTSKY

Available to hire

Hi, I'm Yuri Kulchytsky, a versatile full-stack developer with a passion for building robust web applications and integrating AI solutions.

About

Hi, I’m Yuri Kulchytsky, a versatile full-stack developer with a passion for building robust web applications and integrating AI solutions. I have hands-on expertise in Python and Node.js, and I’ve worked extensively on projects ranging from healthcare telemedicine platforms to high-traffic e-commerce sites. I enjoy crafting scalable, intelligent features like chatbots and recommendation systems that truly make a difference.

With strong skills in both backend and frontend development, as well as cloud infrastructure and DevOps, I love collaborating with teams to bring innovative AI-driven applications to life. I’m always keen to learn new technologies and leverage them to build smarter, user-friendly solutions.

  • 8 years' experience
  • Joined July 2025

Languages

  • EnglishFluent

Industry experience

  • Healthcare
  • Retail
  • Software & Internet
  • Financial Services

More experts in Kraków, Poland

Work experience

Senior Full-Stack Developer · Winedrops UKJan 2022 – Present · 4 yrs 11 mos

Developed and maintained scalable backend services for a HIPAA-compliant telemedicine platform with Python and Node.js, supporting secure patient data management for 30,000+ users. Applied Domain-Driven Design to healthcare workflows, designed RESTful and GraphQL APIs with OAuth2 and JWT authentication, and integrated AI-powered symptom checker using OpenAI GPT-4 and Hugging Face Transformers. Architected microservices ecosystem with RabbitMQ and Kafka, provisioned cloud infrastructure with Terraform across AWS and Azure. Collaborated on frontend with React, Next.js, and TailwindCSS. Optimized PostgreSQL schemas, implemented Redis caching and rate limiting. Automated deployments with Docker and GitHub Actions on AWS Fargate. Wrote comprehensive tests with pytest and Jest, participated in Agile cycles, and mentored junior developers.

Backend Developer · BlueArc Group UKDec 2021 – Jul 2025 · 3 yrs 8 mos

Created and maintained scalable backend services with Python and Node.js for a high-traffic e-commerce platform processing millions of transactions daily. Applied Domain-Driven Design principles, developed RESTful and GraphQL APIs for dynamic product searches and personalized recommendations. Architected microservices for asynchronous communication using RabbitMQ and Kafka to handle peak traffic. Built AI-powered chatbots using LangChain, OpenAI GPT-3, and custom ML models, improving customer response times by 50%.

Junior Full-stack Developer · QuickCart UKMay 2018 – Jul 2025 · 7 yrs 3 mos

Developed backend services using Python and Node.js for a high-traffic e-commerce platform, contributed to RESTful API development and frontend design with React and TailwindCSS focusing on responsiveness and accessibility. Collaborated within a microservices architecture using RabbitMQ. Managed deployments on AWS and CI/CD workflows with GitHub Actions. Supported QA with automated tests using pytest and Jest. Followed Agile methodologies and gained experience in secure coding and compliance. Monitored application health, optimized databases, and conducted load testing to ensure system reliability. Mentored junior team members and contributed to SEO-friendly UI development.

Education

Bachelor of Science · Clark University2012 – 2016

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