Kosmas Chatzimichalis's Email Addresses & Phone Numbers

📖 Summary

Software engineer with many years software development, database administration and development, and systems administration experience. Responsible for the research and provision of open source web solutions to day to day business problems such as resource sharing, resource availability, schedule management, time and project management and content management systems. Enjoying finding solutions to technical problems. Up-to-date on software and hardware developments and agile methodologies. Keep things simple, do not panic, share knowledge, listen and respect.Senior Software Engineer @ * Develop and maintain the cancer patient information portal infrastructure, using Ruby and Ruby on Rails * Contribute to requirements development, working with CRUK business analysts From September 2015 to Present (2 months) Cambridge, United KingdomSenior Software Engineer / DevOps @ * Back end programming in Ruby on Rails * Front end implementation of design in HTML, CSS and Bootstrap * Close cooperation with the back end programmer to ensure adequate implementation of the design and the back end code * Suggestions for solutions in migrating to a cloud infrastructure. From May 2015 to June 2015 (2 months) Senior Software Engineer / DevOps @ * Development of e-commerce Ruby on Rails web application * Improvement of development practices and tools * Actively advocating architectural changes and improvements * Lead projects from a technical perspective * Set up of company's first Continuous Integration server * Introduction of PullReview tool for code base improvement From November 2014 to February 2015 (4 months) Zürich Area, SwitzerlandSenior Software Engineer / DevOps @ * Development of Web platform for a solar energy simulation and monitoring solution, with Django * Cloud infrastructure set up in AWS and VPS. * REST API and database design. From March 2014 to May 2014 (3 months) Zurich, SwitzerlandSenior Software Engineer / DevOps @ * Working as a Senior Software Engineer in a team and developing a ruby on rails application about resource sharing. * Created the infrastructure for the application, intitially in house and later migrated to AWS. * Monitoring and performance tuning, as well as other tasks as backups as a Dev Ops using Puppet. * Setting up different environments production, staging, testing, demo with Capistrano. * Implemented BDD and TDD testing in the application using Cucumber and RSpec. * MySQL database administration and development working with SQL to produce reports and fine tune performance. * Social Media integration with the application including Facebook, Google+ and Twitter. * Integration with external payment system. From May 2011 to December 2013 (2 years 8 months) ZurichFreelance SQL developer @ * Worked as a freelance software engineer in mailing house company. * Producing various reports using SQL, either updating exisitng reports or creating new ones based on user requirements. From March 2011 to April 2011 (2 months) DevOps / Developer @ * Systems administrator of a ruby on rails application of a live tv show 'Million Pound Drop' watched by millions, on Amazon S3, EC2. Managing the infrastructure using Puppet and Nagios monitoring. * Ruby on Rails development of currrent application. From March 2011 to March 2011 (1 month) Head of IT @ * Took over development of ruby on rails application developed by an external agency, to be developed in house for the company. * Further development and improvement of the online dating platform. * Bug fixing of existing system to deliver more mature application. From November 2009 to March 2011 (1 year 5 months) Maidstone, UKSoftware Engineer @ * Development of telecoms web applications using Ruby on Rails with AJAX, MySQL and MsSQL. * Deployment with SVN, Capistrano, on a load balanced Apache server using Mongrel clustering. * Applications included udp messaging, call queuing system, number allocation, fax to email service, open/closed hours phone redirection and live call reporting interface (http://www.oxygen8.com/uk/call-handling/features) * C3 Telsis system interface. SMS system maintenance and development, using PHP, C++ From May 2007 to July 2009 (2 years 3 months) IT Consultant / DevOps @ * Development of traffic control remote monitoring application using Ruby on Rails and MySQL. * SVN and Capistrano deployment. * SMS and MySQL integration. * Installation and configuration of Trixbox/Asterisk PBX, and dialpan creation, for application and VoIP solution. From November 2006 to February 2007 (4 months) CTO @ * Development of CRM software program for the automotive industry using PHP, XML, CSS, Apache and MySQL. * Integration of PAF postcode and address management, and CarweB DVLA vehicle information into system. * SQL development and performance tuning. * Implementation of various applications in Plone, used for marketing campaigns, online vehicle service requests, vehicle evaluations. * Development of small scale projects in Ruby On Rails. * Configuration, maintenance and administration of Samba, Apache, Postfix, Zope, MySQL servers. * Setup backup, firewalls and security procedures and applied security updates and necessary patches. * Responsible for the IT R&D of the company. From June 2000 to August 2006 (6 years 3 months) Software Development Manager / DevOps @ * Responsible for the development of various marketing and business solution software projects. * Using Delphi with MS-SQL Server to develop client-server web enabled applications for use from other companies in the group, as well as external clients. * MS-SQL Server database adiministrator. * System and network administrator From 1997 to 2000 (3 years) Brierly HillSoftware Developer @ * Developing SQL queries, views, functions and procedures to retrieve data from Oracle and MS SQL Server databases. * Producing complex reports for departmental use and inter-database transfer utility programs, on a large (400+ user) distributed database system. * Experience in using Oracle, MS SQL Server, Crystal Reports and Visual Basic. From 1995 to 1997 (2 years) KidderminsterIT Consultant @ * Migration of room allocation and timetabling system written in C, to C++ (MFC), for both the 16-bit and 32-bit versions. * Provided training an technical support, in both hardware and software. * Developing smaller projects in Visual Basic, Access and Visual C++ From 1993 to 1995 (2 years) London, United KingdomMedical Physics Technician @ * Developed and constructed a purpose build interface board for an IBM PC compatible computer, to drive a clinical cerebral blood flow system. * Designed and produced circuit diagrams, design testing, manual using Basic and C interface routines. From 1991 to 1993 (2 years) Birmingham, United KingdomBSc (Hon), Maths, Computing @ The Open University From 1995 to 1999 BSc, Electrical Engineering @ Technologiko Ekpaideutiko Idrima, Patron From 1987 to 1991 Kosmas Chatzimichalis is skilled in: Apache, MySQL, Ruby on Rails, Test Driven Development, Linux, Open Source, Web Applications, Ruby, AJAX, Agile Methodologies, Git, Web Development, XML, BDD, System Administration, Scrum, Agile, Databases, SQL, SQL Server, Android, Cucumber, Development Operations, C++, CSS, RSpec, JavaScript, jQuery, HTML, Selenium, Python, Bash, Puppet, Vagrant, Sinatra, Capybara, Phusion Passenger, R, Elixir, Hadoop, MapReduce, Django, Docker, MongoDB, PostgreSQL, Redis, Microsoft SQL Server