Experience

Zoolatech

• United States
• Software Development
• 200 - 300 Employee

• Java Team Lead

  • Feb 2023 - Present



Intellias

• Malta
• IT Services and IT Consulting
• 700 & Above Employee

• Java Developer / Big Data

  • Apr 2022 - Jan 2023

  Customer: European provider of car location-based software and services.Project: Delivery of an enchanted version of the Open Street Map data that can be easily used for navigation in apps and car navigation.Responsibilities:- Working with terabytes of map data- Refinement of business requirements to the technical tasks- Delivery of new spark pipeline components to enhance the map- Elimination of non-deterministic behaviour and mapping inconsistencies- Providing high quality unit and integration tests, along with detailed documentation Show less

• Java Developer / DevOps

  • Oct 2019 - Apr 2022

  Customer: World's leading location platform company.Project: Web Service that provides mapping and location data to individuals, cars on the roads and companies.Responsibilities:- Support of a high load public API with strict performance and availability SLA- Maintenance of Java Web Application with over 60GB of heap memory- Preparation to integrate a new major partner to support over 300 000 new clients- Performance tuning to reduce the costs of instances- Migration from Jenkins and GoCD CI/CD and pipelines to GitLab CI- Participation in "On Call" 24/7 support for Kubernetes based services- Maintaining hight quality, multi stage release pipeline for weekly feature delivery Show less



Avenga

• Germany
• IT Services and IT Consulting
• 700 & Above Employee

• Java Developer

  • Feb 2018 - Oct 2019

  Customer: Chat Commerce Platform for customer support. Project: Enterprise chatbot workflow automation to help connect clients via Web Widget with support. Responsibilities: - Architecture redesign to use Message Bus as microservices communication channel - Elimination and profiling of race conditions and bottlenecks - Integration with WhatsApp, Twitter and Facebook API - Swift Delivery of features requested by new potential clients - Profiling MySQL queries and Hibernate configuration/mapping Show less



UKEESS Software House

• Ukraine
• Software Development
• 1 - 100 Employee

• Java Developer

  • Apr 2016 - Feb 2018

  Customer: The largest genealogy company in the world.Project: Decomposition of a Core monolith web service that handles orders, DNA probes and warehouse management.Responsibilities:- Decomposition of a monolith project into microservices with high test coverage- Improving performance and UI for internal usage tools based on ops feedback- Delivery of new service with messaging integration model based on AWS SQS - Support of an Aspect based Auth Framework that used across company Show less

• QA Automation Engineer \ DevOps

  • May 2015 - Apr 2016

  Customer: The largest genealogy company in the world. Project: A web site to browse 11.6 billion historical records like birth, death, newspaper etc.Responsibilities:- Development of Selenium based Test Automation framework from scratch- Covering critical functionality flows with end to end tests- Introduced automation test to reduce manual regression time from 3 to 1.5 days- Migration from private server to AWS EC2 and setup of CloudFormation templates- Implementation of CD to AWS and configuration of Jenkins server on AWS Show less