Nortal

Senior Backend Software Engineer

REW Technology

Communication gateway
The application is intended to be a REST API-based advanced, omni-channel messaging capability, capable of personalizing messages, recognizing and tracking threads of conversation, and conversion events, and providing a higher level of analytical information regarding messaging events.  The application APIs are granular but suitable for reuse within solutions that perform higher-level functionality.

Responsibilities:
•       Define business requirements
•	Added image caching to gateway services
•	Changed API endpoints and business flows responsible for uploading and sending messages with an image
•	Prepared scripts for removing outdated data from SQL tables
•	Took an active part in release activities

Senior Software Engineer

SoftServe

An integration layer between different systems responsible for creating and confirming various kinds of transactions in real estate.
Users can create projects, enter into deals with vendors to purchase the necessary services, and make changes
The integration layer is responsible for saving and consistency of data, informing about changed project statuses, processes of confirmation/denial, adding users and vendors between other systems.
The logic is built around cronjobs that execute the necessary synchronization logic at the right time.

Responsibilities:
•	Implemented app alerts for the support team based on DataDog and Slack
•	Migrate app to another env
•	Development of build and deployment scripts
•	Support current processes with customers and stakeholders
•	Optimized the application's asynchronous operations using more correct cronjobs 
•	Updated the integration API after changes in other systems
•	Knowledge sharing, coaching
•	Migrated app secrets from 1Password to Vault

EPAM Systems

It is an internal system the main goal it's providing information about the companies and update the databases from different vendors.
This system is based on AWS services, it provides user API and replication service.

Responsibilities:
•	Developed and set up the incremental data update process in the AWS CEG app with Kafka
•	Developed Python scripts for convenient preparation of requests and their parallel sending to CEG
•	Created CI/CD processes based on AWS 
•	Support current processes with customers and stakeholders
•	Decomposed the lambda heavy logic into several other lambdas
•	Implemented cross-region replication

Ciklum

Payment system for a big German car company.

Responsibilities:
•	Created endpoints on backend side for Android/iOS applications
•	Wrote and checked unit tests
•	Cover documentation
•	Changed DB schemas

Software Engineer

Implementation of Section 508/WCAG for two project modules (provide accessibility).

Responsibilities:
• Changed existing JSP pages of the app to WAI-ARIA standards (UI was integrated with JAWS Job Access With Speech to comply with Section 508 of the Rehabilitation Act)

Zone

During this period, I have taken participated in different small projects:
dating portal, android app for notification about bad parking, wrote replaceable
components for sites based on Adobe AEM.

Responsibilities:
•	Develop a set of replaceable components for sites based on Adobe AEM (CQ5.6)
•	Fixing and refactoring a dating portal
•	Develop a new Android application for complaints about illegal parking (filling attributes, GPS, photo, recognizing numbers, API)

Integrity Vision

Implementation of an electronic document management system in the bank. 

Responsibilities:
• Define business requirements
• Implementation of a module for the integration of 36 banking products into the IBM FileNet P8 system
• Develop an analyzer of the purchased banking product
• Developed an app for generating tax invoices

Java Developer

My specialization is back-end development. I have experience in various programming languages and technologies. Most of my expertise is in the development of web applications and microservices using Java.
The experience is related to legacy projects (refactoring and improvement of existing codebases) and completely new projects from scratch to pilot production.

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