Vitalii

Vitalii Vintoniak
Software Engineer (Java / AWS)
💻 GitHub | 🔗 LinkedIn | 📍 Ukraine (Remote)

ABOUT ME
4th-year Software Engineering student with 1+ year of hands-on experience in enterprise backend, cloud-
native, and full-stack development. Experienced in building scalable Java applications, RESTful APIs, and
serverless architectures using Spring Boot and AWS. Skilled in database optimization, secure
authentication (AWS Cognito, Spring Security, JWT), CI/CD pipelines, and AI-assisted development
workflows (ADK, Antigravity, GitHub Copilot) to accelerate delivery.

TECHNICAL SKILLS

Backend & Standards Java, Jakarta EE, Spring Framework (Spring Boot, Spring Core, Spring MVC, Spring Data,
Spring Security), Hibernate, JUnit, Mockito, REST API, OpenAPI (OASv3), Swagger UI,
HTTP, JWT, Serverless

Cloud & DevOps AWS Lambda, API Gateway, DynamoDB, AWS Cognito, SQS, SES, EventBridge Scheduler,
(AWS) CloudWatch, IAM, AWS Syndicate, Serverless Framework, Docker, Git, GitHub

Databases PostgreSQL, SQL, Amazon DynamoDB, Firebase Firestore

Frontend React (Hooks, Context API, React Router), JavaScript, HTML5, CSS3, React-Bootstrap,
Styled Components

AI & Tooling Agent Development Kit (ADK), Antigravity, GitHub Copilot, Claude Code, Cursor, Maven

EXPERIENCE

EPAM Systems — Trainee Software Engineer 2026 – Present | Remote

Developed backend services and RESTful APIs for enterprise applications using Java, Spring Boot, Spring
MVC, Spring Data, and Hibernate, focusing on server-side logic and database query optimization for
scalability.
Built and configured serverless applications with AWS Lambda, API Gateway, OpenAPI (OASv3), and
Swagger UI, managing IAM permissions, triggers, environment variables, and CloudWatch logs for
debugging.
Integrated asynchronous messaging and event-driven workflows using AWS SQS, SES, DynamoDB, and
EventBridge Scheduler.
Implemented security protocols, user authentication, and authorization using AWS Cognito, Spring Security,
and JWT.
Containerized microservices with Docker and automated CI/CD deployments using AWS Syndicate,
Serverless Framework.
Leveraged AI-assisted and agentic tools (GitHub Copilot, Antigravity, Claude Code, Cursor) to accelerate
feature delivery and streamline code reviews.

PROJECTS

Book Store Service — Full-Stack Spring Boot Application 💻 GitHub Repository
Stack: Java, Spring Boot, Spring Security, JWT, REST API, Thymeleaf
Built a full-stack web application featuring a Spring Boot backend, REST APIs, and Thymeleaf server-side
rendering.
Implemented stateless authentication and role-based access control using Spring Security and JWT stored
in HTTP-only cookies.
Engineered an email-based password reset workflow and verified end-to-end SMTP delivery using Mailtrap.

TrainApp — Railway Ticket Booking Platform 🚀 Live Demo
Stack: React, React Router, Styled Components, React-Bootstrap, Firebase (Firestore & Auth)

Implemented passwordless Google OAuth authentication via Firebase Auth and real-time shopping cart
synchronization with Firestore.
Built dynamic ticket search with multi-criteria filtering (city, price, date, amenities), pagination, and persistent
state via LocalStorage.
Designed a fully responsive interface across mobile, tablet, and desktop viewports.

EDUCATION & TRAINING

Ivano-Frankivsk National Technical University of Oil and Gas 2023 – Present
Bachelor of Software Engineering (4th Year Student) — Relevant Coursework: Algorithms & Data Structures,
Object-Oriented Programming (OOP), Web Development, Databases, Software Architecture

Training & Certifications: AWS Cloud Essentials, AWS Knowledge: Serverless, Deploy an Agent with Agent
Development Kit (ADK), Evaluate and Improve Agent Development Kit Agents, Accelerate Development with
Antigravity
Languages: Ukrainian (Native), English (Intermediate / B1+)