01/15/2026 updated

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Senior Full Stack Developer | DevOpts Engineering | 7+ years experience

Kyiv, Ukraine Bachelor of Science in Computer Science | University of Khmelnytskyi State University
Kyiv, Ukraine Bachelor of Science in Computer Science | University of Khmelnytskyi State University

Profile attachments

Dmytro_Kolyada_Senior-Software-Engineer.docx

About me

Senior Full Stack Engineer with 8+ years building AI-enabled, production-grade applications using React, TypeScript, Python, and Node.js. Specialized in microservices architecture, cloud-native platforms (Azure/AWS), and GenAI solutions including RAG systems, LangChain, and vector databases.

Frontend: React, TypeScript, Next.js, Angular, Vue.js, JavaScript, HTML5, CSS3, TailwindCSS, Material-UI, Responsive Design
Backend: Python (FastAPI, Django, Flask), Node.js, NestJS, Express.js, RESTful APIs, GraphQL, Microservices, WebSocket
AI & Machine Learning: OpenAI API, Anthropic Claude API, LangChain, RAG Systems, Vector Databases (pgvector, Pinecone), Text Embeddings, Prompt Engineering, Agentic Frameworks
DevOps & Cloud: Docker, Kubernetes, Azure (Functions, DevOps, Container Services), AWS, Terraform, CI/CD, GitHub Actions, Nginx
Database & Caching: PostgreSQL, MongoDB, Redis, Elasticsearch, RabbitMQ, Kafka, Message Queues, TypeORM, Prisma
Observability & Monitoring: OpenTelemetry, Datadog, Prometheus, Grafana, CloudWatch, ELK Stack, Distributed Tracing
Testing & Security: Jest, Cypress, Playwright, Unit Testing, Integration Testing, Code Reviews, Agile/XP Practices
Integration & Monitoring: Stripe, PayPal, SendGrid, Twilio, Datadog, Prometheus, Grafana, CloudWatch, OpenTelemetry, ELK Stack
Security & Compliance: OAuth 2.0, JWT, RBAC, SOC 2, GDPR, Data Encryption

Languages

EnglishFluent

Project history

Senior Software Engineer

Self-Employed

Internet & IT

< 10 team member

• Delivered custom web applications for multiple Fortune 500 clients across fintech, healthcare, and education sectors, working directly with stakeholders to understand requirements and translate business needs into technical solutions that served over 100,000 combined users.
• Designed and built RESTful APIs using Python (FastAPI) and GraphQL endpoints supporting 20,000+ daily active users with sub-200ms response times, implementing PostgreSQL optimization and Redis caching strategies
• Led development of complete Learning Management System using React, TypeScript, Python (FastAPI), and Node.js, serving 15,000+ students with OAuth authentication, real-time progress tracking, and seamless third-party integrations.
• Integrated payment processing, email delivery, and SMS notifications across multiple client projects, connecting 15+ external services including Stripe, PayPal, SendGrid, and Twilio with careful error handling and retry logic that improved transaction success rates by 90%.
• Worked with design team to rebuild legacy Vue 2 application using Vue 3 and modern component patterns, creating reusable component library in Storybook that standardized UI across products and reduced frontend development time by 40%.
• Managed deployments to Azure and AWS using Docker containerization, setting up auto-scaling and load balancing that handled 10x traffic increases during product launches without service disruptions.


Certificates

AWS Certified Solutions Architect

Associate

2025


Portfolio

item-0

TutrX - LMS platform

This is a LMS platform like Udemy. At first, my role was Frontend developer and now is both of frontend and backend developer. React, FastAPI, PostgreSql, AWS S3 bucket, Docker, CI/CD pipeline, zoom video sdk integration
https://tutrx.vercel.app

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