Oleh Shostkevych

JavaScript Developer
Cloud Engineer

I am a Full Stack Javascript guy who knows how the things should be done right and how those things should be deployed into right infrastructure.

frontend

Specializing in modern frontend development with a focus on React ecosystems. I build performant, accessible, and scalable web applications using the latest frameworks and tools. Passionate about creating exceptional user experiences through clean code, optimized performance, and responsive design.

  • React
  • Next.js
  • TypeScript
  • React Native
  • Tailwind CSS
  • Vite
  • Webpack
  • HTML5
  • CSS3
  • Angular
  • GraphQL

backend

Experienced in building robust, scalable backend systems with microservices architecture. I've developed high-performance APIs, implemented comprehensive authentication systems, and integrated complex messaging queues. Notable achievements include building a complete IoT cloud platform and serving as a technical consultant for enterprise-level systems.

  • Node.js
  • Express
  • TypeScript
  • Python
  • FastAPI
  • GraphQL
  • REST APIs
  • FusionAuth
  • Keycloak
  • Passport.js
  • RabbitMQ
  • Apache Kafka
  • Socket.IO
  • gRPC

AI & machine learning

Exploring the new era of AI, leveraging modern AI agents and APIs to build intelligent applications. Working with OpenAI APIs, MCP (Model Context Protocol), and integrating these powerful capabilities into existing apps. Continuously experimenting with cutting-edge AI technologies to solve real-world problems and enhance user experiences.

databases & storage

Expertise in both SQL and NoSQL database architectures. Experienced in database design, optimization, caching strategies, and data modeling. Specialized in scalable data storage solutions for applications ranging from mobile apps to enterprise-level systems.

  • MongoDB
  • PostgreSQL
  • MySQL
  • Redis
  • Elasticsearch
  • Amazon S3
  • DynamoDB
  • Vector DBs
  • Pinecone
  • Weaviate

devops & infrastructure

Proficient in modern DevOps practices with extensive experience in containerization, orchestration, and CI/CD pipelines. Passionate about infrastructure as code, automation, and building reliable deployment pipelines. Strong Linux administration skills and deep understanding of cloud infrastructure.

  • Kubernetes
  • Docker
  • GitHub Actions
  • CI/CD
  • Terraform
  • Ansible
  • Linux
  • Bash
  • Nginx
  • Cloud Infrastructure
  • Monitoring

testing & quality

Committed to delivering high-quality, well-tested software. Experience with comprehensive testing strategies including unit, integration, and end-to-end testing. Implementing quality assurance processes that ensure reliability and maintainability.

  • Jest
  • Vitest
  • Cypress
  • Playwright
  • React Testing Library
  • Pytest
  • Load Testing
  • API Testing
  • Postman
  • Monitoring & Observability

cloud providers

Experienced with major cloud platforms, leveraging their services to build scalable, reliable, and cost-effective solutions. Skilled in cloud architecture design, resource optimization, and multi-cloud strategies.

  • Amazon Web Services (AWS)
  • Vercel
  • Digital Ocean
  • MongoDB Atlas
  • Cloudflare
  • Serverless Functions