Gergo B.

Full Stack Developer

690 dollar
Freelancer
12 ans
Londres, ROYAUME-UNI

Mon expérience

Spik - Full-timeNovember 2019 - Présent

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T-Mobile, BudapestApril 2019 - October 2019

* Transformed legacy java code to Java 11, Docker, Kubernetes based Microservices architecture
* Improved test coverage with junit and mockito
* Designed Microservices ecosystem with Openshift and Apigee API Gateway
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SmartFocus, LondonNovember 2018 - April 2019

* Worked on a webshop recommender system with Scala, Docker and Cloudera Hadoop
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T-Mobile, BudapestSeptember 2016 - September 2018

* Worked on an AWS, Kafka, Hadoop and Spark based Big Data system for a mobile cell tower data analyzer
* Worked on microservices with Python, Flask and Mongodb
* Introduces CA API gateway solution and helped to design microservices architecture
* Worked on enterprise document management system with spring boot and java 8
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Veni.io, LondonAugust 2015 - June 2016

* Designed and implemented a social event recommender system with Microservices and reactive platform, based on Spray, AKKA, Play, Scala and Python
* Designed data pipeline with Kafka, Spark, Cassandra, ElasticSearch and Neo4j
* Used Continuous Deployment on AWS, Docker and Jenkins
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HighPaws.com, LondonNovember 2014 - August 2015

* Developed RESTful Microservices with Play Framework 2 (Scala), NodeJS (Api GW)
* Designed data store with MongoDB, Cassandra and Redis
* Used Continuous Deployment on Rackspace, AWS, Docker and Jenkins
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Qudini.com, LondonApril 2014 - November 2014

* Improved high throughput RESTful Play Framework 1 application with JMeter and VisualVM
* Improved MySQL database schema and Hibernate implementation
* Improved test coverage of the system with JUnit and Selenium
* Used Continuous Deployment on AWS and Jenkins
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PTAsocial.com, LondonAugust 2013 - January 2014

* Developed RESTful app with Play Framework 1 based on Java 7 and TDD
* Used Continuous Deployment on Heroku, AWS and Jenkins
* Scaled out the application with MongoDB
* Improved test coverage with Junit and Selenium
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Pokit.com, LondonSeptember 2012 - July 2013

* Developed a Django webapp for a URL based product recommender system
* Designed and implemented a recommender system with Python
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Telekom HUSeptember 2011 - August 2012

– Developed multithreaded billing XML processor application with Java 7 and Spring
– Connected the app to AMDOCS billing system and HP Dialogue with Apache Camel
– Created integration tests with RedHat system architects
– Worked together with Wipro system architect team
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OditechJanuary 2011 - August 2011

– Designed and implemented markmyprofessor.com Java application based on Spring, Tomcat
– Designed and implemented buzzmirror.hu media monitor multithreaded Java application
– Introduced Agile methodology, TDD based development, JUnit, Jmeter
– Kept contact with stakeholders
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Zybe SystemsJuly 2010 - December 2010

– Designed and implemented a web based advertisement management system for newspapers
– Worked with Django and MySQL
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InfoStyleJanuary 2010 - June 2010

– Developed a data collector application with Java 6, Spring, Hibernate based on Tomcat
– Designed interfaces for gas and electricity meter clients
– Designed and built database with MySQL
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Molaris Kft.September 2009 - January 2010

– Contributed to the new version of the Hungarian Government Portal
– Designed and implemented multi-threaded portal content converter application for JBoss ESB
– Implemented new SSO solution
– Implemented new portlets with Struts 2 based on JBoss Portal Server
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Hanwha BankApril 2008 - July 2009

– Designed and implemented internal document management system
– Developed corporate website with Spring, JavaEE, JBoss, EJB and Oracle

Mes compétences

Application servers

Zookeeper, WebSphere

Machine Learning

Scikit-Learn

Languages

Solidity, Java EE, Scala, Python, Java

Others

API, Continuous Deployment, Consul, CA

Analysis methods and tools

Selenium, SOA, Junit, Microservices

Software testing

JMeter, Mockito

Protocols

VPC

Databases

PostGreSQL, Oracle, Redis, Neo4J, MongoDB, HBase, Cassandra, MySQL, MongoEngine

IT Infrastructure

Ansible, Chef, Docker, Heroku, Puppet

Middleware

Jenkins

Open Source solutions

Kubernetes

Technologies

NumPy, Akka, AWS, Jboss, Spring Boot, JVM, Tomcat, WebLogic, Amazon Web Services (AWS), ElasticSearch, Flask, RabbitMQ

Environment of Development

Maven, SBT

Frameworks

Django, EJB, Hibernate, Spring, Node.js, Play, Play Framework

Other

Apache HBase, Oracle database, S3, Apache Cassandra, EMR, lambda, Python Programming, EC2, IAM, Kinesis, Test-Driven Development, RDS, Sqoop, Apache Hive

Big Data

Apache Zookeeper, Pig, Apache Kafka, Hadoop, Samza, Spark, Hive, Big Data

Mes études et formations

Licenses & Certifications - -