Cracow, Małopolskie, Poland
At EPAM Systems, I am outsourced to UBS (Swiss Investment Bank) project. The project is an internal data management platform used by traders and managers. Responsibilities: * Backend development with Java 17, Spring Boot, and JPA. * Data management based on user-defined dynamic schemas with backward compatibility, keeping track of historical user actions and providing the ability to roll back the data to a point-in-time snapshot. Handling write conflicts on concurrent writes. * Frontend development with ReactJs, Javascript * Creating and maintaining CI&CD pipelines and Azure cloud infrastructure. Technologies: Java 17, Postgresql, Apache Kafka, Redis, Liquibase, Azure Service Bus, Azure App Service, Azure Active Directory, ReactJS
At Motorola, I worked on a greenfield multi-tenant project that provides bundles, billing, and monitoring for the usage of multiple devices including radio phones. Responsibilities: * Backend development with Java 11, Spring Boot. * Contributing to the development of microservices and stream processing pipelines. * Implementing internal protocols for the purpose of communication and also the simulation of internal devices and hardware in Java. * Creating and maintaining CI&CD pipelines, Kubernetes deployments, and Azure cloud infrastructure. Technologies: Java 11, PostgreSQL, Apache Kafka, RabbitMQ, Redis, Elasticsearch, Azure Cloud, Kubernetes
Handson Systems is an IoT product company focused on fleet management, GPS tracking, and indoor positioning. Responsibilities: * Developing Java APIs, * Developing reporting and monitoring-alerting service * Developing and contributing to indoor location tracking services with RFID and Bluetooth beacon technologies. * Creating and managing Bitbucket pipelines, docker swarm deployments * Contributing to ReactJS projects * Direct contact with the clients regarding technical inquiries. Technologies: Java11, PostgreSQL, RabbitMQ, AWS: EC2, ECS, RDS, SES, Elasticsearch
IUGO Technology is a product company providing vehicle tracking systems - monitoring driver trips, and driver performance evaluation in terms of economics and safety. Responsibilities: * Developing backend APIs * Contributing the algorithms for the vehicle tracking and driving analysis Technologies: Golang, Postgresql, Apache Kafka, Apache Storm, Cassandra