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Senior
Developer
Java
DevOps

Jozef Hriadel

Senior
Developer
Java
DevOps
Jakarta EE
JPA
Oracle DB
Elasticsearch
APM - (ELK stack)
JMS
kubernetes
Primefaces
CI/CD pipelines
Argo CD
Jenkins
maven
440 € / Day
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Senior Java, DevOps Developer
Candidate Jozef Hriadel
Add to selection
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Availability
Senior
Seniority

About me

I'm currently working on an application for over 1 million users, where I need to develop code with an emphasis on performance and robustness of the application. I have been involved in the development and migration of this application to the cloud. Code security and clean code are a priority for me. I am interested in AI, how to use AI in everyday life and of course in programming. I see great value in continuously educating myself to improve my code writing and do my job better.

Nationality: Slovak
Seniority: Senior
Experience: 14 years

Skills

Jakarta EE
JPA
Oracle DB
Elasticsearch
APM - (ELK stack)
JMS
kubernetes
Primefaces
CI/CD pipelines
Argo CD
Jenkins
maven
Flyway
REST/SOAP
microservice architecture

Languages

English - B2

Slovak - Native

Education

2009 - 2011
Ing.

University of Žilina

Žilina, SK

Faculty of electrical engineering, Field Process Control.

Diploma thesis: Communication protocol between the core and the peripherals of low cost level crossing intelocking system (overview, proposal of low cost level crossing system, implementation of communication protocol, visualisation of low cost level crossing system by using 2 PCs connected by RF communicators).

2006 - 2009
BC.

University of Žilina

Žilina, SK

Faculty of electrical engineering, Field Safety control engineering.

1997 - 2005
Graduation.

Gymnázium Púchov (Grammar school)

Púchov, SK

General educiation.

Work experience

2021 - present
Solution Architect - CODERAMA s.r.o.
Jakarta EE
JPA
Oracle DB
Elasticsearch
APM - (ELK stack)
JMS
kubernetes
Primefaces
CI/CD pipelines
Argo CD
Jenkins
maven
Flyway
REST/SOAP
microservice architecture

Project in Telco segment


Description: Architecture and Backend development of microservice applications.


  • architecture design,
  • analyses and deployment of microservice applications,
  • deployment and monitoring.



2011 - 2021
Senior developer - AŽD Praha s.r.o.
C++
UML
Java SE
Unit testing
Cygwin
Doxygen
Redmine.


Project (07/2011 - ): programming of applicational algorithms for railway interlocking system RBC-ETCS accordings to MISRA C++ 2008 and EN50128 standards with using UML diagrams.

Programming of auxiliary tools for diagnostic and for support of debugging of developed system.

RBC-ETCS (Radio Block Central of European Train Control System) - Stationary part of interlocking system designated for control of railway transport (https://en.wikipedia.org/wiki/European_Train_Control_System).


Activities & Responsibilities:

It was project with semifinished analysis and I started as a programmer. At first I started with UML tool IBM Rational Rhapsody in team responsible to create development framework in order to port applicational source code to company proprietal final platform.

After that I was responsible for understanding requirements and applicational design in UML diagrams made by analysists using IBM Rational Rhapsody.

After time I learned design patterns from our senior leader and than I particapated as programmer responsible for core modules of “RBC-ETCS” since I had deepest knowledge of controlled process.

I also did unit tests of my modules in company proprietal test framework. For better evaluation of system tests I lead diploma thesis in 2017 attending theme Verification testing of applicational algorithms RBC-ETCS.

 

Technologies: C++, UML, Java SE, Unit testing, Cygwin, Doxygen, Redmine.