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Досвід роботи

Backend програміст (Java, Integrations)

з 09.2019 по нині (6 років 4 місяці)

Stack: Java, Spring Boot, REST, PostgreSQL, Oracle PL/SQL, Docker, SSL/TLS, OAuth2
Responsibilities:
• Development of backend components using Java & Spring Boot
• Secure REST integrations (SSL/TLS certificates, OAuth2 flows)
• Validation logic, error-handling, and API workflows
• Database-driven logic with PostgreSQL & Oracle PL/SQL
• Flyway migrations for production systems
• Docker containerization (Kubernetes-based environment)
• Troubleshooting non-trivial backend issues
• Improving stability, logging, and backend performance

Oracle developer

з 04.2018 по 09.2019 (1 рік 6 місяців)
"SCS" - Simple Cloud Solutions, Дніпро (IT)

Key Responsibilities:
• Developed PL/SQL analytics and financial reporting modules for internal corporate systems
• Extended Oracle APEX components to support reporting, data entry, and operational processes
• Built automated export pipelines (PDF/CSV) for finance and accounting departments
• Optimized data-processing logic to improve reporting stability and reduce manual operations

Achievements:
• Increased reporting performance through optimized PL/SQL procedures
• Reduced manual workload by introducing automated data export flows

Освіта

Institute of Entrepreneurship "Strategy"

Specialist, software engineer
Вища, з 2006 по 2012 (6 років)

Додаткова освіта та сертифікати

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2021, 10 months, є сертифікат

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2023, 6 months

PRACTICAL JAVA (Softserv)

2023, 1 month, є сертифікат

Знання і навички

• Java
• Java Core
• Spring Boot
• Spring Framework
• Spring MVC
• Spring Data JPA
• REST API
• PostgreSQL
• Docker
• Git
• Знання технологій JDBC
• Hibernate
• Knowledge of OOP principles
• IntelliJ IDEA
• Apache Maven
• Microservices
• Користувач ОС Linux
• GitLab CI/CD
• CI/CD

Знання мов

• Англійська — середній
• Українська — вільно

Додаткова інформація

SUMMARY

Backend Engineer with hands-on experience designing and supporting Spring Boot services, secure REST integrations, and database-driven functionality in production environments. Strong background in SSL/TLS communication, certificate-based authentication, OAuth2 flows, PostgreSQL, PL/SQL, Flyway migrations, and Dockerized deployments. I focus on building reliable, predictable backend services with clean architecture, structured logging, and well-designed API interactions. Motivated to contribute to scalable enterprise or fintech solutions within a mature engineering team.

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TECH SKILLS

Backend & Java
•Java
•Java Core
•Spring Boot
•Spring MVC
•Spring Data JPA
•Spring Security
•REST API (secure, token-based, OAuth2)
•WSO2 ESB (custom mediators, routing, transformation)
•Oracle REST Data Services (ORDS)
•HTTP/HTTPS, JSON, XML
•TLS/SSL, certificates, encryption

Databases
•PostgreSQL
•PL/SQL (legacy support)
•JDBC
•Hibernate

Tools & DevOps
•Docker
•Git
•GitLab CI/CD
•GitHub Actions
•Linux (CLI)
•IntelliJ IDEA
•Maven
•Logging & Monitoring

Testing
•Integration testing (Java/Spring)
•JUnit

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PROJECTS

Telegram Currency Bot — Java, REST
Java-based bot retrieving live currency rates from external REST APIs, with custom parsing and formatted responses.

Notes Management System — Spring Boot, PostgreSQL
CRUD web application for managing user notes with layered architecture, validation, PostgreSQL persistence, and basic authentication.

IShop WebApp — Spring Boot, Docker, PostgreSQL
Training e-commerce backend with REST controllers, service layer, DTO mapping, database entities, and Dockerized environment for local deployment.

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SOFT SKILLS
•Strong analytical and problem-solving mindset
•Ability to work with complex backend logic and integrations
•High responsibility for production stability and data accuracy
•Clear communication and teamwork skills
•Fast learning and adaptability to new technologies
•Attention to detail in API design and security
•Proactive in debugging and improving system reliability

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WHAT I AM LOOKING FOR

Seeking a Java Backend Developer role focused on:
•Spring Boot backend services
•secure REST APIs
•integrations with external systems
•HTTPS/SSL/TLS, OAuth2
•data exchange and backend architecture
Prefer remote format.