Konstantinos T.

About Me

Highly-experienced PHP Developer with a keen interest in lifelong learning and new technologies; with technical expertise in the use of HTML5, CSS, CSS Frameworks, and JavaScript in the design and iteration of microservices and backend applications for clients. I am skilled in testing frameworks with PHPUnit, Codeception, and Jasmine and use different web servers, database engines and CI environments for server administration on projects.

Frontend

Backend

Database

DevOps

QA & Testing

Other

Work history

UpStack
UpStack
PHP Developer/PHP Technical Interviewer
2018 - Present (7 years)
Remote
  • Creating and developing innovative software solutions for clients across a broad range of industries.

  • Work with distributed cross-functional teams in ensuring all features are being delivered efficiently and on-time using agile methodologies.

  • Act as a technical mentor within Upstack and run interviews during weekly developer meetings.

SoMobile
SoMobile
Senior Web Developer
2018 - Present (7 years)
Netherlands (Remote)
  • Implemented and maintained new features for SoMobile's shop; prioritizing user experience, modern design, performance, and stability.

  • Optimized components, implemented caching, and utilized best practices in the development of highly responsive web-based solutions for SoMobile.

  • Troubleshoot production problems relating to SoMobile's e-commerce solution; reviewing suggestions for improvements and enhancement.

Firm 24
Firm 24
PHP Developer
2018 - 2019 (1 year)
Amsterdam, Netherlands
  • Provided full lifecycle development including design, development, testing and implementation of backend/frontend client dashboard for online notary services..

  • Developed and maintained comprehensive architecture integration documentation for clients.

  • Identified process improvements and enhancements to existing business and IT processes that increased operational efficiencies.

Leaseweb
Leaseweb
PHP Developer
2018 - 2018
Amsterdam, Netherlands
  • Followed established coding standards and development process to refactor internal company software to the highest quality..

  • Provided responsive design and development of added features for the emergency handling of tickets.

  • Offered status updates on ongoing projects, and troubleshot issues when they arose efficiently.

Schipol Group
Schipol Group
Backend PHP Developer
2017 - 2018 (1 year)
Amsterdam, Netherlands
  • Improved the user experience by implementing new features for users of the Amsterdam Schipol airport website.

  • Successfully assisted with backend services and the smooth interchange of data between users and servers for continuous integration.

  • Ensured high performance and responsiveness to requests using the ELK stack.

de Persgroep
de Persgroep
Full Stack Developer
2016 - 2017 (1 year)
Amsterdam, Netherlands
  • Helped in improving organizational processes by setting up monitoring alarms using Arduino and a Minion toy..

  • Conducted system analysis and code reviews on critical applications for the online platform for IT specific job seekers and talent seekers.

  • Oversaw tasks for the release and packaging of CI solutions on the online platform and its application.

Coolblue
Coolblue
PHP Developer
2016 - 2016
Rotterdam, Netherlands
  • Wrote code to upgrade project from PHP 4 to the latest version and standards.

  • Prepared the application for the internationalization of a big retail website with thousands of users per hour.

  • Performed unit testing and end-to-end testing of codes for the project.

Growing Minds
Growing Minds
PHP Developer
2015 - 2016 (1 year)
Amsterdam, Netherlands
  • Determined the time estimates for developing REST APIs using Symfony components, Propel ORM, and Restler for communication between client and server applications..

  • Created and modified software for the implementation of automated integration of client application with Salesforce using REST, Bulk API and Exact Target.

  • Designed, developed and modified enterprise-wide system workflows.

Lely
Lely
PHP Developer
2015 - 2015
Maassluis, Netherlands
  • Developed and tested applications for an internal portal software.

  • Reviewed and modified code to implement CI processes with Jenkins, and unit acceptance using Codeception.

  • Provided technical consultation and support by writing queries for reports on SQL Server 2008.

Irdeto
Irdeto
PHP Developer
2014 - 2015 (1 year)
Hoofddorp, Netherlands
  • Adhered to coding styles and development best practices for a new full stack project component.

  • Conducted usability testing, A/B testing, behavior measurement and analysis experience with Python (pytest, suds, pygen)

  • Worked closely with the UI/UX team to ensure quality design and experience.

Wrap the Gift
Tech Lead
2014 - 2015 (1 year)
Amsterdam, Netherlands
  • Analyzed, resolved, responded to and documented end users inquiries.

  • Troubleshot and provided technical support and regular reviews on the operating software.

  • Distilled fast-moving product requirements into tangible engineering tasks and designers for the client.

Mogben
Mogben
Senior PHP Developer
2012 - 2012
Amsterdam, Netherlands
  • Liaised with product owners to understand their requirements, and create REST web services for mobile apps.

  • Served as technical support to backend services and the interchange of data between the server and users.

  • Worked with UX designers and engineering teams on the design, iteration, and delivery of engaging products and services for clients.

MS League
MS League
Senior PHP Developer
2010 - 2012 (2 years)
Marousi, Greece
  • Provide technical leadership and guidance to agile teams including on site and remote/offshore resources.

  • Identified and provided recommendations for system process improvements.

  • Liaised with system engineers to ensure the rapid deployment of architecture, system automation, monitoring and operational procedures for robust operations.

Velti
Velti
UI Developer
2009 - 2012 (3 years)
Remote
  • Worked with frontend and backend development teams in developing highly visible interactive web pages and applications.

  • Oversaw the translation of precise software components into clean, organized HTML, CSS and JavaScript code.

  • Planned, designed, implemented and tested features and improvements to software UIs for clients.

Showcase

Senior Software Engineer - FleetPass
Senior Software Engineer - FleetPass
  • FleetPass is a mobile-first fleet tracking application.

  • It provides real-time fleet tracking, route assignment, and communication features.

  • The application utilizes a smartphone for all functionality, requiring no additional hardware.

Lead Developer - MS League
Lead Developer - MS League
  • MS League is a sports gaming platform focused on team management, trading stocks, and player interaction.

  • The platform provides real-time team status updates and league progress monitoring.

  • The development team utilized PHP, Yii, CSS, and Javascript technologies.

Owner - Quizin
Owner - Quizin
  • Developed a Raspberry Pi-based recipe management and kitchen information application.

  • Created a dashboard for the application and addressed bugs and defects.

  • Optimized the application's integration with multiple systems for flexibility and manageability.

Education

Education
Bachelor of Science, Computer Information Systems
DeVry University
1999 - 2004 (5 years)