Costas V.

Lead Developer

690 dollar
Freelancer
24 ans
Londres, ROYAUME-UNI

Mon expérience

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Stanchion Payment SolutionsJune 2015 - Présent

Being responsible for designing, guiding, and assisting in the architecture and development of solutions to the payments industry that follow best technical methodologies. Specifying a technical design based on the business requirements of our customers. Involvement in global projects and working with teammates from other offices around the world.

Working with and guiding the development teams towards the development of the solution, providing clear technical specifications.

Assisting with pre-sales documentation and customer engagements.

Preserving the role of the Technical Lead for the UK office.

Additionally to the Senior Technical Consultant role, leading the UK office technical team in terms of mentoring (training in payment environments and platforms, advising in development techniques and interaction with customers) and coordinating (customer support and software delivery).

Delivery management of Postilion interface software to the UK and other European customers.

Participating in the group’s large projects as a Solutions Architect.


Providing consultation and project-related technical support on payment platforms (including ACI Postilion). Identifying and resolving complex technical issues. Creating, maintaining and communicating technical documentation of requirements, procedures and standards. Implementing optimum solutions that meet both business and technology requirements and working within project teams.

Providing pre-sales services for high-level estimations of potential projects. Also providing detail design services for Postilion interface components based on various card associations and payment service providers specifications.

Providing services concerning implementation and support of various Payment System
environments (including Postilion) and consultancy to organisations running and operating payment

systems.
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Codix SASeptember 2006 - June 2015

Head of software delivery, responsible for company's software life cycle from functional design and development to QA testing and eventually to packaging and delivery.

Senior Support Engineer in Postilion projects. Design and integration of Postilion components (interchange and integration drivers, PostCard, Postilion Office plug-ins, TermApp.Framework drivers, e-Socket.POS). Deep knowledge Realtime SDK, Office SDK and PostCard SDK.

Senior EFT Software Engineer and Solutions architect, developing and designing EFT solutions mainly for ACI Postilion suite for banking solutions.

Postilion Support Engineer. Design, development and integration of Postilion components (interchange and integration drivers, PostCard, Postilion Office plug-ins, TermApp.Framework drivers, e-Socket.POS). Deep knowledge Realtime SDK, Office SDK and PostCard SDK. Product support and consulting services.

Software Engineer - EFT specialist, developing in C# and Java, product management and support of ACI Postilion suite for banking solutions.

Development and integration of Postilion components (interchange and integration drivers, PostCard, Postilion Office plug-ins, TermApp.Framework drivers, e-Socket.POS). Deep knowledge Realtime SDK, Office SDK and PostCard SDK. Product support and consulting services.

Development of banking applications in .NET platform (C#).

Development of banking applications in Android platform.
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FreelancerJanuary 1998 - January 2015

Website development, SEO optimization, Virtuemart and OpenCart integration. Great working
experience in Joomla! CMS integration and development (custom components & modules). PHP

software for GIS application in urban observatories.
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Intracom TelecomMarch 2006 - September 2006

Sun Identity Manager support engineer.
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Hellenic ArmyMay 2005 - April 2006

- Project Manager in Military's internal software developed in Java 2.


- Director of the local Research & Informatics office of 80th National Guard Supreme Command in

Kos island.
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National Technical University of AthensFebruary 2004 - November 2004

Implementation and support of web portal in ASP 6.0. Network support of the School of

Architecture.
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Altec SAOctober 2000 - October 2003

EFT-POS software development for Ingenico terminals in Borland C++.



Metavante CSF suite support and consulting services.

Mes compétences

Languages

PHP, HTML, Java, C#, UML, OOP, XML

Environment of Development

Visual Studio, Eclipse

Mobile

Android

Others

SEO, Moodle

Protocols

JSON

Frameworks

AJAX, jQuery, .NET

Technologies

Joomla

IT Infrastructure

Git, Ubuntu

Analysis methods and tools

JIRA

Databases

MySQL

Mes études et formations

Certifications - ACI Worldwide2016 - 2019

MEng - Computer & Electrical Engineering Grade 7.34 - National Technical University of Athens1995 - 2004