Csaba Fazakas - Backend Java Developer

Q: What languages does Csaba speak?

Csaba speaks the following languages: Hungarian (Native), Romanian (Advanced), English (Elementary) .

Q: How many years of experience does Csaba have?

Csaba has at least 20 years of experience. During this time, Csaba has worked in at least 4 different roles and for 4 different companies . The average length of individual experience is 5 years . Note that Csaba may not have shared all experience and actually has more experience.

Q: What is Csaba's latest experience?

Csaba's most recent position is Backend Java Developer | Android Developer at T-Systems International GmbH .

Q: What companies has Csaba worked for in recent years?

In recent years, Csaba has worked for T-Systems International GmbH and Red Rock Solutions AS .

Q: Which industries is Csaba most experienced in?

Csaba is most experienced in industries like Transportation , Information Technology , and Telecommunication .

Q: Which business areas is Csaba most experienced in?

Csaba is most experienced in business areas like Information Technology , Product Development , and Project Management . Csaba also has some experience in Quality Assurance .

Q: Which industries has Csaba worked in recently?

Csaba has recently worked in industries like Transportation and Information Technology .

Q: Which business areas has Csaba worked in recently?

Csaba has recently worked in business areas like Information Technology , Product Development , and Project Management .

Q: What is Csaba's education?

Csaba holds a Master in Information- and Communication Technology (ICT) from University Transilvania - Faculty of Computer Science and Electrical Engineering and a Bachelor in Computer Science from University Transilvania .

Recommended expert

Romania

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Experience

Oct 2022 - Present

3 years 7 months

Backend Java Developer | Android Developer

T-Systems International GmbH

Improving and developing new features for the software which runs on the onboard units of different public and private transportation companies vehicles throughout Germany.
Extended the application to provide information for a Web UI (based on Vue.js) which runs on separate Android devices or on newer versions of OBU equipped with Android-backed touch screens.
Implemented features in an Android application for smaller customers who are not willing to purchase the full software package.
As a member of a scrum team, provided solution proposals, development, code reviews, mentoring and assisted other team members on their current assignments.

Mar 2012 - Oct 2022

10 years 8 months

Norway

Full Stack Developer | Team Lead | Project Management

Red Rock Solutions AS

As team lead and project manager, involved in solution proposals, estimation, implementation details, sprint and task breakdown, follow up and code review.
Responsible for release of new versions to customers and for SLA compliance.
Integrated with payment providers on server side and mobile (mobile SDK), including PayPal integration.
Integrated and imported data from external systems (e.g., JourneyPlanner API by EnTur, timetables, route data, stop details) in both GTFS and NeTEx formats.
Developed custom webshops (AngularJS / WordPress) hosted on AWS (EC2, ELB, SES, S3, AuroraDB) for public transportation companies (e.g., [link] [link]
Developed multiple web-based administration tools for each project (based on CodeIgniter 3).
Developed Android apps: implemented provided design, communicated with the server through REST APIs, released to Google Play with Fabric/Crashlytics support.
Developed mobile ticket apps allowing end users to purchase tickets by SMS or Mastercard/Visa, backed by a web admin tool for managing ticket settings, prices, routes, stops, traffic messages and checking live sales.
Developed POS (Point of Sale) Android application for drivers to sell and validate tickets online and offline, sync offline sales, select travel direction, ticket types, handle cash or card payments and print daily settlements.
Developed TVM (Ticket Vending Machine) application limited to purchase and payment by credit card, managed remotely and locally in high traffic locations.
Developed mobile apps for sport clubs to enable coaches, athletes and parents to communicate via push messages and live chat; built to be customizable for new clubs using one codebase.
Developed My Garage Sales Android app for buying and selling items via direct sale or auction, featuring live auctions, grid/list/map views, push notifications, bidding, PayPal payment, social media sharing and favorites.
Developed a sales tool website for a large Norwegian marine and offshore prefabricated bathroom company ([link] to track products, manage customers, create and export offers to Word/PDF, and view sales and production reports.
Developed a Java web service using the JASPER framework to export large data sets to PDF, HTML or DOC formats.
Developed websites implementing custom designs using WordPress and Pimcore.

Jan 2009 - Mar 2012

3 years 3 months

Netherlands

Senior Delphi Developer

Nocore BV

Participated in meetings with customers to estimate new feature implementations.
Developed new features and core modules for an ERP software used by major cleaning industry companies.
Improved existing code, conducted code reviews and released new versions.

May 2006 - Dec 2008

2 years 8 months

United States

PHP Developer

Keepcalling, LLC

Planned and implemented a custom prepaid VOIP system backed by Asterisk servers and PHP plugins.
Contributed to planning and development of an internal PBX system (later offered to external customers) based on VOIP and Asterisk.
Developed PBX modules including extension configuration, IVR setup, schedules, access numbers, queue management and conference room management.
Used PHP, JavaScript, AJAX/jQuery, HTML and MySQL DBMS.
Administered Linux (Ubuntu) systems, configured and maintained Asterisk servers, automated domain setup.
Implemented SIP-based interconnection test protocols.

Industry Experience

See where this freelancer has spent most of their professional time.

Experienced in Transportation, Information Technology, and Telecommunication.

Transportation

Information Technology

Telecommunication

Business Area Experience

See which departments and functions this freelancer has contributed to most.

Experienced in Information Technology, Product Development, Project Management, and Quality Assurance.

Information Technology

Product Development

Project Management

Quality Assurance

Skills

Database Technologies

Mysql
Mssql
Jdbc
Ms Access
Firebird
Mongodb
Sqlite

Programming Languages

Php 7
Javascript
Java
Kotlin
Delphi
C#
Bash Script

Frameworks

Codeigniter 3.x (Mvc)
Android Sdk
Jquery
Angularjs
React
Maven
Java Servlet
Java Spring Boot
Session Initiation Protocol (Sip)
Jasper
Wordpress
Pimcore

Tools & Technologies

Jira
Confluence
Agile
Git
Github
Gitlab
Apache
Android Studio
Volley
Okhttp
Butter Knife
Eventbus
Phpstorm
Webstorm
Design Patterns (Observer, Singleton, Adapter)
Dbforge
Mysql Workbench
Wampserver
Cygwin
Putty
Winscp
Eclipse
Netbeans
Visual Studio
Wincvs
Rest
Soap
Html5
Css
Javascript
Bootstrap
Ngrok

Cloud Technologies

Aws (Ec2, Auroradb, Ses)
Google Firebase

Languages

Hungarian

Native

Romanian

Advanced

English

Elementary

Education

Oct 2004 - Jun 2006

University Transilvania - Faculty of Computer Science and Electrical Engineering

Master of Digital Communication Networks (MDCN), Information- and Communication Technology (ICT) · Information- and Communication Technology (ICT) · Brașov, Romania

Oct 2000 - Jun 2004

University Transilvania

Bachelor degree in Computer Science · Computer Science · Brașov, Romania

Statistics

Experience

Total positions 4

Experience in Transportation 14 y

Avg length 5 y

Longest experience 10 y 7 m

Global Experience

Countries worked in 3 (Norway, Netherlands, United States)

Primary country Norway

Expertise

Recent roles Backend Java Developer | Android Developer, Full Stack Developer | Team Lead | Project Management, Senior Delphi Developer

Main industries Transportation, Information Technology, Telecommunication

Main business areas Information Technology, Product Development, Project Management

Qualifications

Highest degree Master

Profile

Created

December 2025

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Frequently asked questions

Do you have questions? Here you can find further information.

What languages does Csaba speak?

Csaba speaks the following languages: Hungarian (Native), Romanian (Advanced), English (Elementary).

How many years of experience does Csaba have?

Csaba has at least 20 years of experience. During this time, Csaba has worked in at least 4 different roles and for 4 different companies. The average length of individual experience is 5 years. Note that Csaba may not have shared all experience and actually has more experience.

What roles would Csaba be best suited for?

Based on recent experience, Csaba would be well-suited for roles such as: Backend Java Developer | Android Developer, Full Stack Developer | Team Lead | Project Management, Senior Delphi Developer.

What is Csaba's latest experience?

Csaba's most recent position is Backend Java Developer | Android Developer at T-Systems International GmbH.

What companies has Csaba worked for in recent years?

In recent years, Csaba has worked for T-Systems International GmbH and Red Rock Solutions AS.

Which industries is Csaba most experienced in?

Csaba is most experienced in industries like Transportation, Information Technology, and Telecommunication.

Which business areas is Csaba most experienced in?

Csaba is most experienced in business areas like Information Technology, Product Development, and Project Management. Csaba also has some experience in Quality Assurance.

Which industries has Csaba worked in recently?

Csaba has recently worked in industries like Transportation and Information Technology.

Which business areas has Csaba worked in recently?

Csaba has recently worked in business areas like Information Technology, Product Development, and Project Management.

What is Csaba's education?

Csaba holds a Master in Information- and Communication Technology (ICT) from University Transilvania - Faculty of Computer Science and Electrical Engineering and a Bachelor in Computer Science from University Transilvania.

What is the availability of Csaba?

Csaba is immediately available for suitable projects.

What is the rate of Csaba?

Csaba's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.