Michal Horzela

Designing, implementing and maintaining batch/streaming jobs, data platforms, ETL pipelines and data provisioning components for SEO and content-marketing platform. Technologies used in last 12 months: Java 17/21, AWS S3/SQS/RDS/DynamoDB, Athena, Hudi, EMR, Glue, Spark, Kafka, Spring Boot, Datadog, Docker, Github Actions, REST, Bash scripting, Junit5, Mockito, TDD/BDD/XP, JIRA, UML. Main responsibility: - design and implementation of data pipelines, scalable microservices , defining API

Designing, implementing and releasing data provisioning components for SEO and content-marketing platform. Technology: microservices, Java 8, Hadoop, Flink/Spark, Hive, Kafka, Elasticsearch, Dropwizard, Docker, Ansible, Redis, RabbitMQ, Mysql, REST, Consul, Maven, InteliJ IDEA, Bash scripting, TestNG, Mockito, TDD/BDD/XP, JIRA, UML. Main responsibilities/goals: - design and implementation of web crawling microservices, defining API - design and implementation of big data processing using Flink/Spark

Designing, implementing and releasing backend software for e-commerce platform. Java, Cassandra, Solr, RabbitMQ, Consul, REST, JSON, Git, JIRA, NIO, AKKA, Dropwizard.

Designing, implementing and releasing backend software for leading betting/entertainment company. Java, AKKA, RIAK, NIO (Netty), ActiveMQ, OSGI (Karaf), REST, JSON, Git, UML, JIRA, BDD/TDD.

Designing, implementing and releasing enterprise software for leading telecom operator Tele2 and Alan-Systems internal product. Particulary provisioning system using TDD/XP/agile approach (SCRUM). Technology: Java, JEE, jBPM, JSF (RichFaces), Hibernate, Spring, Webservices, Oracle, Tomcat, Maven, Junit, TestNG, Jenkins, Bash scripting Implementing Time Management System (ALAN SYSTEM's internal product) – Java, EJB, JSF (PrimeFaces), Glassfish, JPA, Hibernate, Junit, Maven, Eclipse, MySQL

Developing and maintaining : - systems for processing high volume data streams using - loyalty backend application for online betting/entertainment company. Technical Lead for one of the projects. TDD/XP/agile approach (SCRUM). Technology: Java, JEE, Hibernate, Spring, Webservices (Sun, Axis), JMS (Tibco), Oracle,JBoss, Drools (rules engine) , Mule (ESB), Maven, Eclipse, Jenkins/Hudson, Ant, Bash scripting, UML, Enterprise Architect Junit, TestNG

Web applications developer. CMS & Intranet in PHP using MVC framework. Developing workflow engine for intranet. PHP, MSSQL, Apache, Eclipse, Ajax

Implementation of stored procedures for large billing system for power engineering industry using Oracle's PL/SQL database language. Implementation of forms and reports applications using Oracle RAD (Oracle Forms and Oracle Reports).

Data bases, computer networks and systems