MEET
LEO

EXPERT LEVEL DEVELOPER WITH PROJECT MANAGEMENT EXPERIENCE IN TELCO SYSTEMS

TECHNICAL PROJECT MANAGER/ARCHITECT/PRODUCT OWNER
2018 – PRESENT Remote

  • As Product Owner/Developer:

    - Duties in multicultural SAFE Agile team

    - Translating business needs into user stories, while managing and prioritising the backlog

    - Definition of user story acceptance criteria (DOD)

    - Animating grooming and sprint planning

    - Anticipation and risk management

    - Monitoring non-regression of the new versions proposed

    - Management of internal dependencies or with other SCRUM teams

    - Techno: Kubernetes, Docker, Java, Webservices, Python, Robotframework, Cucumber, PactBroker, Cassandra

  • As Architect in TigerTeam:

    - Technical interface for customer

    - Technical system design

    - Teams re-organization - helping teams that were late on their projects and/or in technical debt

  • As Technical Project Manager:

    - Technical interface for customer

    - On-site system design and customer support

    - Penetration testing for vulnerabilities

    - Task management

    - Techno: Java2EE, Webservices, JNI, C, Maven, Jenkins

SENIOR DEVELOPER
2015-2017 In Prague (CZ)

  • Development and support of electronic bonds trading system

  • Implementation of new functionalities

  • Software development in test

  • Level 3 support

  • Techno: Java, Spring, Solace, Timesten, Maven, TeamCity, Splunk

TECHNICAL LEADER/TECHNICAL ARCHITECT
2010 - 2017 In Prague (CZ)

  • As Developer:

    - Products customisations, new features implementation, system testing, trainings of newcomers, performance tests, writing documentation, user-guides, interface specifications

    - Working in dozens of projects for telecoms industry in Europe and Africa such clients as Telecom Italia, Barclays UK, Vodafone Germany, Vodafone Italy, Ericsson Italy, Orange Poland, Orange France, MTN Uganda, MTN Nigeria, NetOne Zimbabwe, Togocel.

    - Technos used: Java SE, Java J2EE, Maven, Eclipse, Spring, Corba (Visibroker), SNMP, JMX, Unix, Tomcat, Webservices, EJB 3.0, JMS, JPA, JDBC, TPC/IP, CAT-TP, Weblogic, Nexus, JUnit, PMD, Cobertura, SVN, Mercurial, SMS, Bash, Continuous integration

  • As Technical Leader:

    - System design, tests designs, workload quotations, code-reviews, sales and maintenance support, writing documentation, user guides, interface specifications

    - Working as a technical leader in many projects for telecoms industry in Europe such clients as Telecom Italia, Orange Poland, MTN Uganda and Vodafone Turkey

  • As Development Leader:

    - Development tasks management, system design, tests designs, workload quotations, code-reviews, interface specifications, internal cross-team relationship management

    - Working as a development leader in MWallet project for Vodafone Group (Germany, Spain, Italy, Netherlands, and United Kingdom)

  • As Technical Architect:

    - Technical interface for customer, on-site system designs discussions, on-site customer support, vulnerabilities finding, task management

    - An interface for all customer technical questions, also working on-site in customer premises

    - Management of all technical aspects of system development, installation, testing, and support

    - Catching and repairing weak points in process, technical designs and team relations to fit customer and management needs

    - Reviewing internal process, quality of work and its improvements

    - Cooperation with about ten companies involved in the project and over one hundred collaborators on daily basis for system designed for +100 million users

LMS SYSTEM DEVELOPER
2009 - 2010 In Krakow (PL)

  • Developing Learning Management System

  • Techno: J2EE

WEB SYSTEM DEVELOPER
2009 - 2010 Remote

  • Developing new functionalities and web system integration

  • Techno: PHP, Wicket, JPA, Spring, MySQL

LEAD PROGRAMMER/DEVELOPMENT LEADER
2007 - 2009 In Krakow (PL)

  • Designing and implementing new functionalities for mobile telco value added systems

  • Improvements for RBT system - designing and developing new system channel - applet for loading, recording, mixing and manipulating customers sounds

  • Integrating customs with mobile telco systems - SMS, Billing

  • Functionality changes in distribution channels - SMS, WWW, WAP, IVR

  • Designing and developing new functionalities like administration channel, reporting and new interfaces for 3rd party systems

  • System awarded “Best Design” for Central and Eastern Europe on Dialogic One Day Event 2007

  • Designing and implementing “Sponsored Calls” solution for mobile telco in Inteligent Network environment

  • Functionality changes in FGSD systems

  • Techno: Java, RMI, CORBA, Hibernate, Tapestry, Wicket, Oracle (with PL/SQL), Log4J, Maven2, JUnit, Eclipse, C++, JNI

TRAINING:
2006

  • Network and operating system administration

  • Hardware service