Contact information

You can get this candidate's contact information from https://www.work.ua/resumes/20018407/

Work experience

Online Freelance Marketplace – Personal / Academic Project

from 03.2026 to 03.2026 (less than a month)
Personal / Academic Project, Remote (IT)

•​ Developed a microservice-based freelance marketplace using Go
•​ Built services for authentication, users, gigs, orders, payments, reviews, files, search, realtime notifications,
and Saga orchestration
•​ Used gRPC and NATS JetStream for synchronous and event-driven inter-service communication
•​ Implemented CQRS with Redis read models and YugabyteDB for PostgreSQL-compatible data storage
•​ Added observability with distributed tracing, metrics, and structured log storage using OpenTelemetry,
Prometheus, and ClickHouse
•​ GitHub: https://github.com/ofm-microservices

Blogs App – Personal Project

from 01.2026 to 03.2026 (3 months)
Pet Project, Remote (IT)

• Built a Java 21 / Spring Boot REST API with JWT authentication and blog features
• Used PostgreSQL, JPA/Hibernate, Flyway, RabbitMQ, OpenSearch, and S3-compatible file storage
• Added tests with JUnit 5, Mockito, and Testcontainers; configured CI with GitHub Actions
• Deployed the application to AWS with infrastructure provisioned using Terraform (IaC)
• GitHub: https://github.com/antoniuk-oleksandr/blogs-app

Go developer

from 08.2025 to 06.2026 (11 months)
NDA-protected Commercial Project, Remote (IT)

• Worked on high-load microservice-based backend systems using Go
•​ Used Redis and NATS JetStream for caching, messaging, and asynchronous service communication
•​ Contributed to AI-assisted product features based on the LLM
•​ Implemented supporting frontend functionality with React, Bun, and Tailwind CSS
•​ Used AI-assisted development tools, including Codex, for implementation, refactoring, and code review
support

Frontend Freelancer

from 06.2024 to 10.2024 (5 months)
Freelance, Remote (IT)

•​ Developed the frontend for an online baby products store using Next.js, TailwindCSS
•​ Worked in a team of two juniors and one senior who managed deployment and client communication
•​ Followed Agile workflow in Jira
•​ GitHub: https://github.com/antoniuk-oleksandr/kolyaski-frontend

Full-Stack Intern

from 05.2024 to 06.2024 (2 months)
InterLink, IT-компанія, Cherkasy (IT)

•​ Developed frontend functionality for a music application using Next.js
•​ Collaborated with a backend developer to integrate frontend features with backend APIs
•​ Participated in weekly mentoring sessions with code reviews, feedback, and implementation guidance

Education

Bohdan Khmelnytsky National University of Cherkasy

M.Sc. Software Engineering, Cherkasy, Cherkasy
Higher, from 2025 to 2027 (2 years)

Bohdan Khmelnytsky National University of Cherkasy

B.Sc. Computer Science, Cherkasy, Cherkasy
Higher, from 2021 to 2025 (4 years)

Knowledge and skills

• Golang
• Git
• SQL
• REST API
• Docker
• GitHub
• CI/CD
• GRPC
• Nats
• React
• Microservices
• Unit testing
• MySQL
• Redis
• Linux OS user
• Spring boot
• Spring Data JPA
• Hibernate
• RabbitMQ
• Apache Kafka
• PostgreSQL

Language proficiencies

English — above average