Pavel Putrenkov

Angestellt, Senior Full Stack Developer, Confidential Company
Kiev, Ukraine

Fähigkeiten und Kenntnisse

Hibernate
MySQL
CSS
JavaScript
JSON
Git
Git bash
JUnit
Spring (Core MVC)
Apache Tomcat
Html
Bootstrap
Android SDK
Gradle
Maven
Spring Framework
Spring
SQL
CI (Jenkins / gitlab-ci)
Jenkins
gitlab-ci
Design patterns
Spring Boot
JPA
Docker
Jira
Java Development
PostgreSQL
Backend
Vue.js
Web applications
Microservices
MongoDB
Scrum
IntelliJ IDEA
Kotlin
Java
Systems Design
TypeScript
Apache Kafka
Software Architecture
Distributed Systems
Technical Leadership
Payment Systems
Algorithms
Data Structures
Hash Tables
Problem Solving
Queues
Stack
OpenAI Codex
AI-Assisted Software Development
Full-Stack Development
Apache PDFBox
GitHub Actions
OOP
Java FX
Java SE
Управление лидерством
Командование
Java EE
Android Studio
JSF
JSP
XML
Ajax
GWT
Android
jQuery
SolidWorks
Siemens NX Teamcenter
Primefaces
Ant
amchart
Kompas_3D
RabbitMQ
JDBC
REST APIs
React.js
Core Java

Werdegang

Berufserfahrung von Pavel Putrenkov

  • Bis heute 1 Jahr und 4 Monate, seit Juli 2025

    Senior Full Stack Developer

    Confidential Company

    Delivered document conversion and reporting with Java 21/Spring Boot 3 and React 18/TypeScript for PDF, Word, slides, spreadsheets, HTML and text. Preserved geometry, fonts, images, tables, formulas, OCR and RTL. Built Redux/Material UI overlays, navigation, annotations, comments and print/PDF output. Defined REST/JSON contracts; optimized stages, caching, lazy loading and payloads. Used Micrometer/Prometheus, JUnit, Jest/RTL, Playwright and visual regression; worked with stakeholders.

  • 9 Monate, Nov. 2024 - Juli 2025

    Senior Java Developer

    DPR Team

    Delivered payment functionality by integrating PayPal and extending Stripe in a Spring Boot 3.x / MySQL application. Implemented backend features with unit and integration tests and contributed JavaScript frontend changes for end-to-end payment and application workflows.

  • 3 Jahre und 1 Monat, Juli 2021 - Juli 2024

    Java Team Lead / Software Engineer

    Ukrposhta

    Built a custom payment system from scratch using Spring Boot, Kafka, Hibernate and PostgreSQL in a microservices environment. Led hands-on Java engineering for three years: implementation, code review, technical decisions and delivery coordination. Conducted technical interviews, coordinated task planning and sprints, and worked directly with stakeholders to turn requirements into technical decisions.

  • 3 Jahre und 10 Monate, Feb. 2018 - Nov. 2021

    Java Full Stack Software Engineer

    Daxx Software Development Teams in Ukraine

    Developed Java 8/Spring Boot/Hibernate features for a US e-commerce platform, integrating backend services with frontend workflows. Delivered React/JavaScript frontend development for approximately two years, with Thymeleaf and Bootstrap where required. Worked with US stakeholders on requirements, feedback and iterative delivery through Jira/Scrum.

  • 5 Monate, Sep. 2017 - Jan. 2018

    Java Software Engineer

    Infopulse

    Built Spring Boot demonstrations and prototypes for customer reviews and technical discussions. Produced technical documentation and collaborated with an international team, including three weeks working on-site with the client in Paris.

  • 10 Monate, Dez. 2016 - Sep. 2017

    Java Developer

    TargetBrain

    Developed SMS and voice messaging services, REST APIs, billing/payment integrations and supporting frontend forms. Improved regression safety of microservice workflows with JUnit, Mockito and integration tests.

  • 1 Jahr, Jan. 2016 - Dez. 2016

    Junior Java Developer

    IT-Centre

    Supported Java students, created programming and SQL exercises, and helped learners troubleshoot and debug Java code.

  • 1 Jahr und 1 Monat, Dez. 2014 - Dez. 2015

    Design Engineer

    Antonov

    Modeled aircraft components using Siemens NX and Teamcenter. Prepared and updated technical documentation and drawings. Developed technical solutions for repairing damaged parts.

Ausbildung von Pavel Putrenkov

  • 2012 - 2014

    Dynamic Strength of Machines

    National Technical University of Ukraine 'Kyiv Polytechnic Institute'

  • 2008 - 2012

    Dynamic Strength of Machines

    The National Technical University of Ukraine “Kyiv Polytechnic Institute”

Sprachen

  • Englisch

    B1-B2 (Gute Kenntnisse)

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