Movies
Hi, I’m
Charilaos Papamatthaiou
Software Engineer
Athens
Summary
Software Engineer with forward-thinking and high proficiency skills, working productively in dynamic environments. Fluent in C#, Net Framework, Web programming technologies (PHP, JavaScript, HTML, CSS, Ajax, WordPress), developing custom software solutions and dynamic web applications. Proud team player, aiming to achieve project objectives with speed and accuracy.
Overview
10
years of professional experience
8
years of post-secondary education
4
Certifications
3
Languages
Work History
RDC InformaticAthens
Software Engineer/ SQL Developer
02.2020 - Current
Job overview
- Creating SQL Reports based on customer's custom business logic for sales or pivoting ERP data.
- Participating in business design, as well as implementing back-end custom features, using JavaScript, in order to customize ERP default functions to each customer's business needs.
- Performing Data migrations (between ERP and excel files, or old databases), using T-SQL, store procedures, table functions and cursors.
- Manipulating customer's data (invoices, products, clients, etc.) and importing in ERP using C# console applications or windows form applications.
- Designing, Implementing & Testing Rest API Bridges between ERP and website platforms (WordPress, Shopify, Magento, etc.), using windows C# form applications or console applications.
- Delivering custom Web Services for importing (-getting) data in and out from ERP using JavaScript.
- Redesigning SQL queries to increase speed database calls and web services responses up to 40% more speed.
AthagoAmerica, Chicago
Software Engineer | Freelancer
09.2016 - 02.2020
Job overview
- Creating web applications and components using PHP programming language.
- Planning website development, converting mockups into usable web presence with HTML, JavaScript, jQuery AJAX and JSON coding.
- Providing front-end website development using WordPress, Hubspot and other editing software.
- Building and styling new mobile-friendly websites, transitioning legacy presentations to simultaneous easy-to-use versions.
- Managing user authentication and authorization for servers and various environments.
- Developing back-end components to connect applications with web services.
- Establishing speed optimization techniques to increase website speeds up to 30%.
- Generating web hosting presence to accommodate specified needs and maintain files on account.
EutecGreece, Sepolia
Junior Web Developer
10.2012 - 08.2016
Job overview
- Built website interfaces with HTML and CSS.
- Pulled from PHP, SQL, JavaScript and other back-end library knowledge to bolster programming resources.
- Collaborated with marketing, representing web team to establish project goals, projections and milestones.
- Applied knowledge of JavaScript and Object-Oriented Programming to create successful designs.
- Promoted brand identity by creating company logos and delivering attractive, user-friendly and unique website.
Education
National Technical University of AthensGreece
Master of Science from Electrical, Electronic & Computer Engineering
09.2009 - 03.2017
Certification
C# Intermediate: Classes, Interfaces and OOP
Skills
Net Core
Net Framework
SQL, T-SQL Development
C# Software Development - Console Apps, Windows Forms
Web Applications - PHP, HTML, Javascript
Responsive Web Design - CSS3, Grids, Flexboxes, Bootstrap
Git and Github
Accomplishments
Diploma Thesis: Electroencephalogram (EEG) study of healthy human subjects and the development of one three-dimensional method of displaying the EEGs - ERPs signals.
- Description: This study aims to know whether different people, who had the same stimuli, had common activation areas of the cortex of their brain, eliminating the factors that would affect the results of the entire experimental process. Scientific Programs we used: MATLAB, Loretta.
- 3D Modelling of the electrical field of the human brain using real-life EEGs - ERPS signals.
- Visualization of the human brain for each human subject and sorting the areas of the brain that was activated for each stimulus.
- Data Analysis & Evaluation of the results and research for common brain areas through a series of repetitions with different data.
Interests
Technology
Learning
Swimming
Gaming
Sports
Food
Books
Timeline
C# Intermediate: Classes, Interfaces and OOP
10-2022
Building Web Applications in PHP
05-2022
HTML, CSS, and Javascript for Web Developers
05-2022
Ultimate Web Designer & Web Developer Course
03-2022
Software Engineer/ SQL Developer
RDC Informatic
02.2020 - Current
Software Engineer | Freelancer
Athago
09.2016 - 02.2020
Junior Web Developer
Eutec
10.2012 - 08.2016
National Technical University of Athens
Master of Science from Electrical, Electronic & Computer Engineering
09.2009 - 03.2017