Software Engineer | Java • Node.js • TypeScript • AWS | LLM Integration | AWS Certified
📍 NYC, NY | 🌎 Open to Remote
📧 ihor.haidukov@gmail.com

Software Engineer with 5+ years of experience building backend services, APIs, and full-stack applications across enterprise and startup environments. Currently building AI-powered platforms with LLM integration (Claude, Gemini) for document extraction and processing.

• Backend: Java 17+, Spring Boot, Hibernate, Node.js, TypeScript, Express, REST APIs, Socket.IO
• Frontend: React, Next.js
• Databases: PostgreSQL, MySQL, MongoDB, Redis, DynamoDB
• Cloud & DevOps: AWS (EC2, RDS, Lambda, SQS, SNS, ECS, CloudWatch), Docker, Terraform, CI/CD
• Integrations: Stripe API, Firebase Auth, JWT, OAuth2, Webhooks, Vercel AI SDK
• AI/LLM: Claude API, Gemini API, OCR pipelines, structured data extraction
• Practices: Microservices, System Design, Agile/Scrum, TDD

Toptal (03/2025 – Present)

• Multi-tenant construction estimating platform (Next.js, TypeScript, PostgreSQL) with AI-powered document extraction via Claude/Gemini
• Full-stack order management platform with real-time tracking (Socket.IO), Redis pub/sub for horizontal scaling, and Stripe payment processing

Previously at EPAM Systems (02/2021 – 01/2025)

• Backend services for risk assessment and compliance screening (Java 17, Spring Boot, AWS)
• API design for enterprise clients in financial services
• AWS cloud migration via Infrastructure as Code

• AWS Certified Solutions Architect – Associate (2023)
• AWS Certified Cloud Practitioner (2023)
• AI-Assisted Engineering Course, EPAM Systems (2024)

• Per Scholas | Software Engineering - Valedictorian
• National Aviation University, Ukraine | Master's in Architecture