Stefanos Tsaklas

E-mail: stefanos.tsaklas@gmail.com Mobile: (+420) 777040740 / (+30) 6945748601 Website: http://www.tsaklas.com Address: Slovinská 991/31, Vršovice, 101 00, Praha 10, Praha

PERSONAL INFORMATION

Full name: Stefanos Tsaklas Father’s name: Ioannis Place of Birth: Chania Crete, Greece Nationality: Greek

WORK EXPERIENCE

Software Engineer Microsoft – Prague, Czech Republic • Working on the web portfolio of Skype . Practicing combined engineering: implementing new features (HTML, CSS, SASS, JavaScript, C#) and testing (C#, Selenium, Jasmine) • Developing the front end for Microsoft Dynamics 365 for Customer Insights (Angular 2, TypeScript, SASS, RxJS, Protractor) • Requirements specification, implementation, testing, building and deployment of software • Release manager, responsible for all deployments on skype.com • Telemetry expert, introduced business intelligence dashboards for skype.com • Other tools: JIRA, VSO, GIT, COSMOS, WEDCS, ARIA Software Engineer Greek Army & Ministry of National Defence – Athens, Greece • Mandatory military service in the Hellenic Army • Received basic training in the Field Artillery Branch • Specialised as a Programmer/Analyst in the Informatics Center of the Hellenic Army General Staff (Java EE, JSF,SQL, jQuery, JBoss, SVN)

03/2015 - now 03/2014 - 12/2014

Software Engineer Siemens Mobility UK – Poole, England • Member of the Safezone UK SCRUM team, cooperated with Siemens Netherlands • Worked for both the back end (Java, MySQL) and the front end (C#, ASP .NET, Javascript, Transact-SQL, SQL Server 2008) • Implementing user stories, fixing bugs, testing, proposed and achieved major performance improvements • Sole responsible for the localization of the application to the Dutch language • Other tools: Rational ClearCase, Mantis Bug Tracker, Maven, Eclipse, Toad

10/2012 - 09/2013

Software Engineer / Research Assistant University of Athens – Department of Informatics and Telecommunications • Worked in project D4Science II, member of the MaDgIK research group , under the supervision of professor Yannis Ioannidis • International collaboration with CERN and CNR • Developed various Web Services (Java WS Core), portlet s for Liferay Portal (GWT), backend libraries (Java/SQL/XML/Bash shell/JavaCC/gLite) • Other tools: SVN, Trac, Eclipse, MySQL Workbench

09/2010 - 09/2011

Teaching Assistant University of Athens – Department of Informatics and Telecommunications • Object Oriented Programming (Fall 2007,Fall 2008) • Introduction to Programming (Fall 2010) • Database Systems Implementation (Spring 2011) • Design and Use of Database Systems (Fal l 2011)

09/2007 – 06/2012

• Natural Language Processing (Spring 2012) Software Freelancer Self-employed • Implementing various projects • Tutoring and supporting individuals • Java, C, C++, HTML, jQuery, MEAN (MongoDB, Express, Angular 2, Node)

03/2010 - Now

EDUCATION

M.Sc. in Advanced Information Systems, University of Athens Department of Informatics and Telecommunications

• GPA: 9.4 / 10.0 (First class Honours) • Thesis: A Recommender System Utilizing Social Network Information

09/2010 – 09/2013

B.Sc. (4 year) in Computer Science, University of Athens Department of Informatics and Telecommunications

• Major field of studies: Computer Systems and Applications • GPA: 9.11 / 10.0 (First class Honours) • Thesis: Learning Classifiers From Labeled And Unlabeled Training Data

09/2005 - 09/2010

High School Diploma , High School of Kolymbari • GPA: 19.0 / 20.0 (First class Honours)

09/2002 - 06/2005

Junior High School Diploma, Junior High School of Kolymbari • GPA: 1912/13/ 20.0 (First class Honours)

09/1999 - 06/2002

LANGUAGES

Greek (native), English (fluent)

TECHNICAL SKILLS

Programming Languages: Java, JavaScript, TypeScript, C, C++, C#, Python, Prolog, Haskell, Octave

Web/Markup: Testing:

HTML, CSS, JavaScript, JSF, JSP, ASP .NET, JSON, XML, WSDL Selenium, Jasmine, Protractor

SOA: Web Services, REST Services, BPEL Frameworks/Toolkits/Libraries: Angular, Express, Spring, GWT, Richfaces, Hibernate, JUnit,

AspectJ, STL, Weka Query: SQL, SPARQL Databases: MySQL, SQL Server, Derby DB, MongoDB Shell scripting Bash, Bourne, awk, PowerShell IDEs: Eclipse, Visual Studio, Visual Studio Code, Netbeans

MOST NOTABLE SEMINARS AND TRAINING

• Machine Learning (by Andrew Ng of Stanford University via Coursera) Fall 2013 • C# for developers (by LearnKey, training provided by Siemens UK) Fall 2012 • Spring Framework Fundamentals (Inception Training) 03/2010 • Java Web Development (Inception Training) 02/2010 • Spring MVC and Webflow (Inception Training) 07/2014

AWARDS AND DISTINCTIONS

• Consecutive awards and scholarships for graduating ranking 1 st from Primary School, Junior High School, Senior High School, and University

• Class valedictorian (highest GPA in class), recited the oath during the commencement ceremony at University of Athens

• Graduating GPA for B.Sc. ranked among the top 1% i n the history of the department

• Developed a semi-supervised classifier that achieved top-5 performance, compared to the results of the international contest of ECML-PKDD 2006 Discovery Challenge (B.Sc. thesis)

Last update: September 2016