Java Software Engineer

• Oct 2022 - Present

Java + React / Vue.js Full-Stack Software Developer

• Jun 2021 - Sep 2022

Competency Lead - domain "Product"

• Feb 2021 - May 2021

Developing super fast, secure, loosely coupled, scalable and resilient micro service applications using Spring Boot + Spring Cloud, React + Redux, GraphQL (Apollo client) and other cool technologies, packaging them into Docker containers and deploying to Kubernetes cluster in Google Cloud.

Senior Software Engineer - domain "Backend Engineering Product & Services"

• Nov 2019 - Jan 2021

Developing super fast, secure, loosely coupled, scalable and resilient micro service applications using Spring Boot + Spring Cloud, React + Redux, GraphQL (Apollo client) and other cool technologies, packaging them into Docker containers and deploying to Kubernetes cluster in Google Cloud.

Senior Consultant - domain "Web and Mobile Full Stack"

• Aug 2018 - Oct 2019

Developing super fast, secure, loosely coupled, scalable and resilient micro service applications using Spring Boot + Spring Cloud, React + Redux, GraphQL (Apollo client) and other cool technologies, packaging them into Docker containers and deploying to Kubernetes cluster in Google Cloud.

Senior Software Engineer

• May 2017 - Jul 2018

Responsibilities: feature development, feature refactoring, microservice approach prototyping. Tasks: - Okapi framework terminology leveraging pipeline step implementation (http://okapi.sourceforge.net/) - Spring Boot microservices development (Configuration Server integration with Git repository, OAuth2 Server / Client / Resource microservices with JWT token) Technologies: Spring Boot 1.4.x, Spring Framework 4.x, Maven, Docker, Docker Compose V2, Vagrant, Okapi, Okapi XLIFF. Responsibilities: feature development, feature refactoring, microservice approach prototyping. Tasks: - Okapi framework terminology leveraging pipeline step implementation (http://okapi.sourceforge.net/) - Spring Boot microservices development (Configuration Server integration with Git repository, OAuth2 Server / Client / Resource microservices with JWT token) Technologies: Spring Boot 1.4.x, Spring Framework 4.x, Maven, Docker, Docker Compose V2, Vagrant, Okapi, Okapi XLIFF.

Senior Java Engineer

• Mar 2015 - Apr 2017

Technical Lead for "Product Information Management System" project. Responsibilities: application components / features design and development both server side / client side, application dev-ops, performance tuning, bug fixing. Technologies: Spring Framework 4.x, Spring Boot 1.4.x, Apache Storm 0.9.6, MongoDB 3.2, ElasticSearch 2.4, RabbitMQ, WebSocket / STOMP / SockJS, Angular JS, Node JS, Maven, Docker 1.11, Docker Compose V2, Docker registry V2, Vagrant, Amazon AWS Technical Lead for "Product Information Management System" project. Responsibilities: application components / features design and development both server side / client side, application dev-ops, performance tuning, bug fixing. Technologies: Spring Framework 4.x, Spring Boot 1.4.x, Apache Storm 0.9.6, MongoDB 3.2, ElasticSearch 2.4, RabbitMQ, WebSocket / STOMP / SockJS, Angular JS, Node JS, Maven, Docker 1.11, Docker Compose V2, Docker registry V2, Vagrant, Amazon AWS

Software Engineer

• Jun 2013 - Mar 2015

Integration Projects Lead Project description: online virtual-sports betting game development Responsibilities: Core-backend development, integration projects lead. Backend development, projects integration, performance testing and tuning, mathematical documentation composition during certification process, servers setup and projects releases/deploys. Technologies & libraries: Spring Framework, Spring MVC, JUnit, JSON libraries (Jackson, GSON, Piriti for GWT), Apache CXF, GWT 2.5.1, myBatis, JPA 2.0, 2.1 (Hibernate), Maven, TeamCity CI, JMeter, MySQL 5.x, Tomcat 7.x. Modules: Reporting submodule for backend administration area. Used: Hibernate, Spring Core, GWT. Notes: implemented hierarchical trees merge, jobs scheduling, trees rendering in UI. Maven plugin for automatic distribution artifact upload to the Amazon S3 service bucket during maven project build. Used: Maven, Amazon AWS REST API, Jersey REST client. Archivation submodule to move outdated data from main table to the archive, UI to review the archived data. Used: Spring Core, Hibernate, GWT. Standalone application to verify the content of the Amazon S3 bucket against file with initial content, perform files obfuscation. Used: Amazon AWS Java SDK, Amazon AWS REST API, Jasypt Java lib for encryption. Projects: Microgame client integration. Notes: Implemented probabilities/odds computation logic and its integration/verification with AAMS Italian regulator agency. Implemented database master-slave setup. Implemented tool for verification process as required by AAMS, implemented asymptotic tests to verify computation formulas in long-term period, performed stress-testing using JMeter tool. Used: Apache CXF WS-Security (as a client) – specific for the integration. Planetwin 365 client integration. Used: Spring Core, MVC, Apache CXF web service. Notes: Html-coding, CSS. Golden Palace client integration. Used: Spring Core, Apache CXF, GWT. Notes: Html-coding, CSS, SSO for single portal look-and-fill. Show less

Software Engineer

• Jan 2010 - May 2013

Project description: Payment system for Dating sites (white label sites system). Responsibilities: Development and support of payment service system, designed for the white label sites system. Integration of payment providers into PSP system (credit card providers, direct debit providers, sms payment providers, pay-in-cash providers). Technologies: Java Servlets, Spring Framework 2.5, 3.0, Spring MVC, Tomcat + Apache. Project description: Payment system for Dating sites (white label sites system). Responsibilities: Development and support of payment service system, designed for the white label sites system. Integration of payment providers into PSP system (credit card providers, direct debit providers, sms payment providers, pay-in-cash providers). Technologies: Java Servlets, Spring Framework 2.5, 3.0, Spring MVC, Tomcat + Apache.

Software Engineer

• Sep 2007 - Dec 2009