Lead&Architect with Java&Angular/React - 21756 Outstaffing

Team size: 15 Developers

It’s a marketing tool that takes all customer data from different sources (DBs, Salesforce, MailChimp, etc.) in order to organize it and provide business recommendations and ingest data into the marketing platforms (Google Ads, CampaignMonitor, etc.)

My responsibilities included developing the architecture of back-end and front-end parts, implementing DBs connections to the app, creating new modules and pages for new integration with 3rd part systems e g Shopify, Mailchimp, Facebook Ads, etc, and implementing this integration on the back-end side with Java and front-end side with ReactJS, developing Redux layer, developing REST API, code review, working with Git and Jira, team leading.

Technologies and Tools:

Java 12, Spring Boot, ReactJS, Web Flux, Cloud Netflix, Feign, Microservice Architecture, Hibernate, JPA, Maven, Postgres, Cassandra, Redis, Spark core, SQL, MapStruct, Lombok, Maven, Docker, Docker Compose, Azure, Bitbucket Pipelines

Team size: 20 Developers

New cloud platform for assignment, recalculation, and payout of such social benefits as pensions, allowances, etc. The software offers an intelligent, omnichannel user experience that allows to keep up with evolving customer expectations.

I was into designing from scratch, development process set-up and control, planning with related teams, interaction with the analytics team, cloud system deployment on servers, etc.

Technologies and Tools

Java 8, Spring Boot, Spring Cloud + Netflix Eureka, Zuul, Hystrix, Kafka, IBM MQ, Apache Ignite, Camunda, Angular 7, Angular Material, Flexbox, SCSS, Lombok, Cloud, Docker-compose

Team size: 16 Developers

Software and hardware system that supports a full range of technologies and measurement metrics integrated into a single system of all SLA parameters monitoring and enables the conflict settlement between providers and consumers of communications services based on modern approaches to service quality management.

My responsibilities included Angular SPA architecture design, new development flow statement, development process planning, and management, server-side deep refactoring

Technologies and Tools

Java 11, Spring 5, Hibernate 5, Hbase, Hadoop, PostgreSQL 11, Angular 7, Angular Material, l10n, JWT, Flexbox, SCSS, BEM, WildFly 14

Team size: 10 Developers

Creation of an internet banking system from scratch for a big bank. Basic functionality includes bank account management, secure third-party account payments, recurring payments, chat with support, and more.

I was involved in client and server architecture design and development, API layer implementation, and DevOps

Technologies and Tools

Java 8, Spring Boot, Angular 7, OracleDB, D3, Docker

Team size: 8 Developers

Integration solution for messaging between several large banking systems which includes an integration module for building reports from the database.

Here I was responsible for data exchange between individual systems through the use of ESB and REST, converting the asynchronous queue to the synchronous queue, presentation of data from the database in the form of tables and graphs with the possibility of their export

Technologies and Tools

Java 8, Spring Boot, AngularJS v1.2, D3, jQuery, OracleDB, IBM MQ, JMS, Jasper Reports, Dynamic Jasper

Team size: 7 Developers

Middleware system for embedding main data stream into data bus and collecting statistics, redirecting aggregated data stream to a third-party system.

I participated in algorithms development, the server part design, and development, API layer implementation, and deployment to EXE for embedding as a service for Active Directory

Technologies and Tools

Java 8, Spring Boot, JavaScript, OracleDB, Redis, Websphere MQ

Team size: 10 Developers

The system collects statistics from the website and its own mobile applications, as well as from mobile applications and third-party Smart TV applications. Such measurement results are absolutely legitimate, and aggregated data is transmitted to regulatory authorities and telecom operators for appropriate action.

My duties were mainly related to scrum-management, web client development, statistics and Rest API implementation, and deployment on server

Technologies and Tools

Java 7, Spring, Gradle, AngularJS v1.2, PostgreSQL, Yii2, ActionScript

Team size: 7 Developers

The application allows users to enjoy listening to music, watching favorite movies, TV shows, photos on a large TV screen, computer, laptop, media player, game console and other devices from anywhere in the world with only a smartphone or tablet and an appropriate Internet connection.

During the project, I worked with the database, DWH site support, API development for mobile applications, content parsing from different sources (Netflix, Youtube, CNN, etc.), smart TV API, application development, and deployment.

Technologies and Tools

Java 7, Spring 3, Maven, Vaadin, Memcached, MongoDB