Konstantinos Sfikas

Konstantinos Sfikas

Athens
Open to Work

5,877

Total Points

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Skills & Experience

  • Job Title

    Architect

  • Spoken Languages

    • English
    • Greek

78 Achievements

  • Achievement

    Database Keys

    Querying Relational Databases

    Achieved

    Sep 23, 2019

    Database Keys
  • Achievement

    Updating Data in a Database

    Modifying Data with SQL

    Achieved

    Sep 14, 2019

    Updating Data in a Database
  • Achievement

    Adding Data to a Database

    Modifying Data with SQL

    Achieved

    Sep 14, 2019

    Adding Data to a Database
  • Achievement

    Database Normalization

    Querying Relational Databases

    Achieved

    Sep 12, 2019

    Database Normalization
  • Achievement

    Finding the Data You Want

    SQL Basics

    Achieved

    Sep 12, 2019

    Finding the Data You Want
  • Achievement

    Getting Data from a Database

    SQL Basics

    Achieved

    Sep 11, 2019

    Getting Data from a Database
  • Achievement

    Data, Databases and SQL

    SQL Basics

    Achieved

    Sep 11, 2019

    Data, Databases and SQL
  • Achievement

    Getting Started with Java

    Java Basics

    Achieved

    Oct 6, 2018

    Getting Started with Java
  • Achievement

    Now You're Querying!

    Querying With LINQ

    Achieved

    Apr 15, 2018

    Now You're Querying!
  • Achievement

    Polymorphism

    Intermediate C#

    Achieved

    Oct 3, 2017

    Polymorphism
  • Achievement

    Loops and Final Touches

    C# Objects

    Achieved

    Aug 28, 2017

    Loops and Final Touches
  • Achievement

    Encapsulation with Properties

    C# Objects

    Achieved

    Aug 26, 2017

    Encapsulation with Properties
  • Achievement

    Encapsulation and Arrays

    C# Objects

    Achieved

    Aug 24, 2017

    Encapsulation and Arrays
  • Achievement

    Unit Testing

    Unit Testing in C#

    Achieved

    Aug 22, 2017

    Unit Testing
  • Achievement

    Inheritance

    C# Objects

    Achieved

    Aug 22, 2017

    Inheritance
  • Achievement

    Methods

    C# Objects

    Achieved

    Aug 21, 2017

    Methods
  • Achievement

    Object-Oriented Programming

    C# Objects

    Achieved

    Aug 21, 2017

    Object-Oriented Programming
  • Achievement

    Perfect

    C# Basics (Retired)

    Achieved

    Sep 6, 2016

    Perfect
  • Achievement

    Perform

    C# Basics (Retired)

    Achieved

    Sep 2, 2016

    Perform
  • Achievement

    Console I/O

    C# Basics (Retired)

    Achieved

    Sep 2, 2016

    Console I/O
  • Achievement

    Prepare and Plan

    C# Basics (Retired)

    Achieved

    Sep 2, 2016

    Prepare and Plan
  • Achievement

    Python For Beginners

    Python Basics (2015)

    Achieved

    Dec 30, 2015

    Python For Beginners
  • Achievement

    Creating a Simple Lightbox

    jQuery Basics (2014)

    Achieved

    Jan 8, 2015

    Creating a Simple Lightbox
  • Achievement

    Creating a Spoiler Revealer

    jQuery Basics (2014)

    Achieved

    Jan 8, 2015

    Creating a Spoiler Revealer
  • Achievement

    Introduction to jQuery

    jQuery Basics (2014)

    Achieved

    Jan 8, 2015

    Introduction to jQuery
  • Achievement

    Starting Right with PHP Best Practices

    PHP Standards and Best Practices

    Achieved

    Dec 29, 2014

    Starting Right with PHP Best Practices
  • Achievement

    Fundamental Concepts

    CSS Basics (2014)

    Achieved

    Dec 25, 2014

    Fundamental Concepts
  • Achievement

    Designing with the Latest Features

    CSS Basics (2014)

    Achieved

    Dec 25, 2014

    Designing with the Latest Features
  • Achievement

    Basic Layout

    CSS Basics (2014)

    Achieved

    Dec 23, 2014

    Basic Layout
  • Achievement

    The Box Model

    CSS Basics (2014)

    Achieved

    Dec 23, 2014

    The Box Model
  • Achievement

    Understanding Values and Units

    CSS Basics (2014)

    Achieved

    Dec 23, 2014

    Understanding Values and Units
  • Achievement

    Basic Selectors

    CSS Basics (2014)

    Achieved

    Dec 23, 2014

    Basic Selectors
  • Achievement

    Working with CSS and JS in WordPress Themes

    WordPress Theme Development

    Achieved

    Dec 23, 2014

    Working with CSS and JS in WordPress Themes
  • Achievement

    WordPress Header and Footer Templates

    WordPress Theme Development

    Achieved

    Dec 23, 2014

    WordPress Header and Footer Templates
  • Achievement

    Text, Fonts, and Lists

    CSS Foundations

    Achieved

    Dec 16, 2014

    Text, Fonts, and Lists
  • Achievement

    CSS Box Model

    CSS Foundations

    Achieved

    Dec 16, 2014

    CSS Box Model
  • Achievement

    Widgets and Custom Menus

    How to Make a Website with WordPress

    Achieved

    Dec 15, 2014

    Widgets and Custom Menus
  • Achievement

    Local WordPress Development

    Local WordPress Development

    Achieved

    Dec 15, 2014

    Local WordPress Development
  • Achievement

    Custom Post Types and Fields

    How to Make a Website with WordPress

    Achieved

    Dec 15, 2014

    Custom Post Types and Fields
  • Achievement

    Starting a WordPress Theme

    WordPress Theme Development

    Achieved

    Dec 14, 2014

    Starting a WordPress Theme
  • Achievement

    Building Page Templates in WordPress

    WordPress Theme Development

    Achieved

    Dec 14, 2014

    Building Page Templates in WordPress
  • Achievement

    Getting Started with CSS

    CSS Basics (2014)

    Achieved

    Dec 13, 2014

    Getting Started with CSS
  • Achievement

    Values and Units

    CSS Foundations

    Achieved

    Dec 2, 2014

    Values and Units
  • Achievement

    Advanced Selectors

    CSS Foundations

    Achieved

    Dec 2, 2014

    Advanced Selectors
  • Achievement

    Selectors

    CSS Foundations

    Achieved

    Dec 2, 2014

    Selectors
  • Achievement

    Getting Started with CSS

    CSS Foundations

    Achieved

    Dec 1, 2014

    Getting Started with CSS
  • Achievement

    Customizing WordPress Themes

    How to Make a Website with WordPress

    Achieved

    Nov 30, 2014

    Customizing WordPress Themes
  • Achievement

    WordPress Themes

    How to Make a Website with WordPress

    Achieved

    Nov 30, 2014

    WordPress Themes
  • Achievement

    Installing Wordpress

    How to Make a Website with WordPress

    Achieved

    Nov 30, 2014

    Installing Wordpress
  • Achievement

    Creating the Menu and Footer

    Build a Simple PHP Application

    Achieved

    Nov 27, 2014

    Creating the Menu and Footer
  • Achievement

    Getting Started with PHP

    Build a Simple PHP Application

    Achieved

    Nov 27, 2014

    Getting Started with PHP
  • Achievement

    Functions

    Introduction to Programming

    Achieved

    Nov 27, 2014

    Functions
  • Achievement

    Objects and Arrays

    Introduction to Programming

    Achieved

    Nov 27, 2014

    Objects and Arrays
  • Achievement

    Control Structures

    Introduction to Programming

    Achieved

    Nov 26, 2014

    Control Structures
  • Achievement

    Basics

    Introduction to Programming

    Achieved

    Nov 26, 2014

    Basics
  • Achievement

    Forms

    HTML

    Achieved

    Nov 26, 2014

    Forms
  • Achievement

    Tables

    HTML

    Achieved

    Nov 26, 2014

    Tables
  • Achievement

    Objects

    HTML

    Achieved

    Nov 26, 2014

    Objects
  • Achievement

    Links

    HTML

    Achieved

    Nov 26, 2014

    Links
  • Achievement

    Lists

    HTML

    Achieved

    Nov 26, 2014

    Lists
  • Achievement

    Text

    HTML

    Achieved

    Nov 26, 2014

    Text
  • Achievement

    Introduction

    HTML

    Achieved

    Nov 26, 2014

    Introduction
  • Achievement

    Debugging HTML and CSS Problems

    How to Make a Website

    Achieved

    Nov 26, 2014

    Debugging HTML and CSS Problems
  • Achievement

    Responsive Web Design and Testing

    How to Make a Website

    Achieved

    Nov 26, 2014

    Responsive Web Design and Testing
  • Achievement

    Adding Pages to a Website

    How to Make a Website

    Achieved

    Nov 26, 2014

    Adding Pages to a Website
  • Achievement

    Ruby Basics

    Ruby Foundations

    Achieved

    Nov 25, 2014

    Ruby Basics
  • Achievement

    Sharing a Website

    How to Make a Website

    Achieved

    Nov 25, 2014

    Sharing a Website
  • Achievement

    Styling Web Pages and Navigation

    How to Make a Website

    Achieved

    Nov 25, 2014

    Styling Web Pages and Navigation
  • Achievement

    Customizing Colors and Fonts

    How to Make a Website

    Achieved

    Nov 25, 2014

    Customizing Colors and Fonts
  • Achievement

    CSS: Cascading Style Sheets

    How to Make a Website

    Achieved

    Nov 24, 2014

    CSS: Cascading Style Sheets
  • Achievement

    Ruby Methods

    Ruby Basics (Retired)

    Achieved

    Nov 24, 2014

    Ruby Methods
  • Achievement

    Ruby Numbers (Ruby Basics)

    Ruby Basics (Retired)

    Achieved

    Nov 24, 2014

    Ruby Numbers (Ruby Basics)
  • Achievement

    Ruby Strings (Ruby Basics)

    Ruby Basics (Retired)

    Achieved

    Nov 24, 2014

    Ruby Strings (Ruby Basics)
  • Achievement

    How Ruby Works

    Ruby Basics (Retired)

    Achieved

    Nov 24, 2014

    How Ruby Works
  • Achievement

    Creating HTML Content

    How to Make a Website

    Achieved

    Nov 24, 2014

    Creating HTML Content
  • Achievement

    HTML First

    How to Make a Website

    Achieved

    Nov 24, 2014

    HTML First
  • Achievement

    Beginning HTML and CSS

    How to Make a Website

    Achieved

    Nov 23, 2014

    Beginning HTML and CSS
  • Achievement

    Newbie

    Achieved

    Nov 23, 2014

    Newbie