Senior Java&React - 21754 Outstaffing

Team size: 14 Developers

Comprehensive dataset and special Intelligence Engine to power health, fitness, and performance applications.

These data and technology are used to create solutions for endurance athletes, general fitness, and health-conscious individuals as well as military, employer, insurance, healthcare, and wellness stakeholders.

Technologies and Tools

Java 8, Spring, Spring Boot, Hibernate, React, HTML5, CSS3, REST, Lombok, JUnit, Redis, MySQL, Jenkins, AWS, Docker, Docker Compose

Team size: 10 Developers

Platform that provides full functionality for providing insurance in various areas: automotive, real estate, travel, property, health, investment, etc. The system is used by hundreds of thousands of people at the same time, so the issue of good performance and response time is acute.

Part of my job was to develop adapters that allowed the scaling and distribution of responsibilities for different parts of the system. One adapter is a microservice that performs the minimal task, and also collects metrics and sends traces to Grafana & Zipkin, respectively. This ensures effective monitoring of each part of the system and eliminates the possibility of a long downtime in case of failures. Soap requests to credit bureau API for verification, synthetic monitoring & testing.

Technologies and Tools

Java 11, REST, Kafka, API Gateway, Apache Camel, Micrometer, Prometheus, Grafana, Spring Framework (Cloud, Security, Boot), Docker, Zipkin, Hashi Corp Vault, Keycloak, Kibana, LogStash, Elasticsearch, Maven, Kubernetes, Helm, Gitlab CI

Team size: 23 Developers

A component of a huge call-center platform that allows evaluating agent interactions (e.g. calls/chats/emails) quality based on audio/video recordings, emails, chats saved after the interaction. Provides the ability to generate custom forms for evaluation, a flexible search for different interactions, and visualizes a timeline that helps to see what happened during the interaction.

Technologies and Tools

Java 11, Spring Boot, Guice, Lombok, JDBC, JUnit, Go, Gin, MySQL, MongoDB, Elasticsearch, JQuery, React, HTML5, CSS3, SASS/LESS, Bootstrap, Material Design, Docker, Docker Compose

Team size: 10 Developers

Was developed from an old Java application that was used to handle subscriptions manually. All old data was successfully migrated to the new web application, so the customer base was preserved and the subscription process was automated using the GoCardless and PayPal payment systems.

Technologies and Tools

Java 8, Spring Boot, Lombok, MySQL, JUnit, Maven, Jenkins, AWS, Elasticsearch, Hibernate, JPA, React, Redux, Redux Thunk, HTML5, SASS/LESS, Bootstrap, Webpack

Team size: 6 Developers

Mobile application for a social network that unites people who love to dream. Allows people all over the world to share their dreams and share progress toward achieving them. Has over 200k downloads.

Technologies and Tools

React, Redux, Redux-Saga, Storybook, React Native, Lodash, Java 8, Spring MVC, Lombok, MySQL, Firebase, Gradle, Hibernate, JPA, Docker, Docker Compose

Team size: 7 Developers

A system that helps to control the work of several online bookstores. Integrated with various third-party services to receive information about new arrivals, send sales reports, and send data on new books and prices to different stores.

Technologies and Tools

Java 8, Spring MVC, Lombok, JUnit, MySQL, Maven, Jenkins, AWS, Hibernate, Hibernate Envers, JPA, Elasticsearch, React, HTML5, CSS3, Bootstrap, Docker, Docker Compose