Speakers

Werner Keil

Creative Arts & Technologies

Werner Keil has worked for more than 25 years as project manager, software architect, analyst and consultant on leading-edge technologies for Banking, Insurance, Telco/Mobile, Media and Public sector.
Among his earlier clients are Sony where Werner designed and implemented micro-format based tags for Sony Music.
He develops enterprise systems using Java, Java EE, Oracle or IBM, does Web design and development using Adobe, Ajax/JavaScript or dynamic languages like Ruby, PHP, etc.

Besides work for major companies he runs his own creative, talent and consulting agency Creative Arts & Technologies. In his spare time, he runs and supports open-source projects, writes song lyrics, novels, screenplays and technical articles. He is committing member of Eclipse Foundation, Apache Foundation and the Java Community Process, including his role as JSR-363 Spec Lead and Executive Committee Member.

OpenDDR and Jakarta MVC

Day 2 - 11th Dec 19:00-19:50 Main Hall #Influencers Novice Werner Keil, Ivar Grimstad

NoSQL Endgame

Day 1 - 10th Dec 18:00-18:50 Main Hall #Influencers Novice Werner Keil, Otavio Goncalves de Santana

The amount of data collected by applications nowadays is growing at a scary pace. Many of them need to handle billions of users generating and consuming data at an incredible speed. Maybe you are wondering how to create an application like this? What is required? What works best for your project?

Martin Toshev

martinfmi http://martin-toshev.com

Martin is a solution architect and IT consultant conducting professional trainings for novice and experienced developers. He is a Java enthusiast and one of the leads of the Bulgarian Java User group (BG JUG). Martin is also a regular speaker at Java conferences and helps with the organization of the jPrime conference in Bulgaria (http://jprime.io/).

Integrating with Elasticsearch

Day 3 - 12th Dec 11:00-11:25 Main Hall #Influencers Novice

Elasticsearch is nowadays one of the most widely deployed full text search engines. During this code-only session we will review several options for integrating our Java applications with Elasticsearch.

Serhii Romaniuk

DataArt

About Serhii:

  • 6+ years of professional experience in IT industry specializing in Quality Assurance;
  • Thorough experience in manual and automated testing and setup of Quality Assurance processes;
  • Current areas of professional interest: Quality Assurance, Project Management, Team Leadership.

Roman Tsypuk

Lohika
tsypuk

Oracle Certified Java Expert. Contributes as a speaker on meet-ups, communities and conferences, mentors colleagues, has deep experience in telecom area and likes ham radio beyond programming. Roman is the most concentrated on topics about Spring, JVM performance, security, distributed systems, microservices and docker.

Organizer of Lohika’s Java community – weekly meetings with live coding session, new framework investigation, sharing experience.

Program committee member of morning@lohika community – monthly meet-up events for developers.

Thodoris Bais

Utrecht Java User Group
thodorisbais https://thodorisbais.nl

Thodoris works as a Scrum Master for ABN Amro bank and contributes to the prosperity of the (software) community in several ways. He is the Founder & Leader of Utrecht Java User Group, which counts more than 2000 members and has hosted exceptional speakers (where among others, James Gosling and Uncle Bob). Besides, he serves the Expert Group of JSR-385 and helps new communities to make their first steps. Previously: 5 years of Software Engineering, 2 years as a Technical Author, Open-source contributor. His views are expressed via his Twitter handle @thodorisbais

Svetlin Nakov

SoftUni
http://www.nakov.com/

Svetlin Nakov (http://nakov.com) Svetlin Nakov has 20+ years of technical background as software engineer, project manager, consultant, trainer, and digital entrepreneur with rich technical experience (blockchain, Web development, information systems, databases, cryptography, C#, Java, JS, PHP, Python). Svetlin Nakov is a regular speaker at hundreds of conferences, seminars, courses and other trainings and holds a PhD degree in computer science. He is author of 15 books about computer programming and software technologies, lives in Sofia, Bulgaria and works as an passionate trainer and inspirer at SoftUni.

Programming Languages in 2021 – Trends and Opportunities

Day 1 - 10th Dec 15:00-16:30 Hall 3.2 #J2D Novice Novice
  • Which are the most future proof languages for 2021?
  • Review of most popular languages in 2020:
    • Most used languages: Python, JavaScript, Java, C#
    • Less often used languages: C++, PHP, TypeScript, Swift, Kotlin, Scala, Ruby, Visual Basic
    • Specialized languages: Rust, Go, R, C, Objective-C, Dart, Perl
    • Outside the standings (because they’re not programming languages): SQL, HTML, CSS, XML, JSON
  • Language popularity indexes:
    • Most sought after languages according to LinkedIn Jobs Worldwide?
    • Languages with the most code written in GitHub?
    • PYPL: language popularity based on Google Trends
    • TIOBE: language popularity according to global search enginges
    • Most discussed languages in StackOverflow?
    • Why all these popularity indexes are unreal and skewed?
  • For beginners: which language should I start with?
    • Why the actual language doesn’t matter much?
    • Which languages are most sough after in Bulgaria (according to LinkedIn Jobs Bulgaria)?
  • Summary: which languages to learn during 2021 and why?

Programming Languages in 2021 – Trends and Opportunities

Day 1 - 10th Dec 15:00-16:30 Hall 3.2 #J2D Novice Novice
  • Which are the most future proof languages for 2021?
  • Review of most popular languages in 2020:
    • Most used languages: Python, JavaScript, Java, C#
    • Less often used languages: C++, PHP, TypeScript, Swift, Kotlin, Scala, Ruby, Visual Basic
    • Specialized languages: Rust, Go, R, C, Objective-C, Dart, Perl
    • Outside the standings (because they’re not programming languages): SQL, HTML, CSS, XML, JSON
  • Language popularity indexes:
    • Most sought after languages according to LinkedIn Jobs Worldwide?
    • Languages with the most code written in GitHub?
    • PYPL: language popularity based on Google Trends
    • TIOBE: language popularity according to global search enginges
    • Most discussed languages in StackOverflow?
    • Why all these popularity indexes are unreal and skewed?
  • For beginners: which language should I start with?
    • Why the actual language doesn’t matter much?
    • Which languages are most sough after in Bulgaria (according to LinkedIn Jobs Bulgaria)?
  • Summary: which languages to learn during 2021 and why?

Denis Tsyplakov

DataArt

Denis Tsyplakov is a professional software developer and architect, who started coding in the late eighties as a hobby. By mid-nineties, the demand for software engineers drove him to turn his hobby into profession. Although Denis is a master of a variety of programming languages, his favorite one is Java because of its power, flexibility and elegance. Since 2006, Denis has been working at DataArt as a senior solution architect. He designs complex systems, improves application architecture, and focuses on performance, scale, extensibility, and total cost of ownership. And he does mentoring of other junior architects too. Denis spends his free time with the family, his lovely wife and two daughters; he enjoys hiking and sci-fi books.

Marc Gregoire

Nikon Metrology
http://www.nuonsoft.com/blog/

Marc Gregoire is a software architect from Belgium. He worked 6 years as a consultant for Siemens and Nokia Siemens Networks on critical 2G and 3G software running on Solaris for telecom operators. This required working with international teams stretching from South America and the United States to Europe, the Middle East, Africa, and Asia. Now, Marc is a software architect at Nikon Metrology (www.nikonmetrology.com), a division of Nikon and a leading provider of precision optical instruments and metrology solutions for 3D geometric inspection.

His main expertise is in C/C++, and specifically Microsoft VC++ and the MFC framework. He has experience in developing C++ programs running 24/7 on Windows and Linux platforms: for example, KNX/EIB home automation software. In addition to C/C++, Marc also likes C# and uses PHP for creating web pages.

Since April 2007, he has received the annual Microsoft MVP (Most Valuable Professional) award for his Visual C++ expertise.

Marc is the founder of the Belgian C++ Users Group (www.becpp.org), author of “Professional C++” 2nd, 3rd, and 4th editions, published by Wiley/Wrox, co-author of “C++ Standard Library Quick Reference” (Apress), technical editor for numerous books for several publishers, and a member on the CodeGuru forum (as Marc G). He maintains a blog at www.nuonsoft.com/blog/, and is passionate about traveling and gastronomic restaurants.

Zdravko Kostadinov

Kaufland IT Hub

Zdravko is a confident, responsible and proactive software engineer with 5+ years of experience in various challenging software projects. I possess excellent communicational, organizational and analytical skills. I have significant knowledge in front-­end development with CSS and JavaScript as well as in back-­end development with Java technologies. I am a great team player and a valuable part of any development team.

Rumen Papukchiev

Kaufland IT Hub

Rumen is a skilled Java developer with more than 10 years of experience. He’s been developing on Spring, JavaEE, Angular and many more technologies. Currently he is facing the challenge of leading a team that creates the backend of an application that will be used across all Kaufland stores.

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