Available to hire
Hi, I’m Sergiu Varga, a full stack developer and marketing enthusiast with 15+ years of experience. I design and implement web solutions using Symfony, CodeIgniter, JavaScript, WordPress, and Joomla, and I also handle project management, hosting, and server administration. I enjoy crafting robust, scalable systems and delivering value through well-architected code and solid hosting setups.
As an SEO consultant, I connect global employers with top talent and craft online strategies that boost visibility and conversions. I thrive in multinational environments, love turning complex requirements into maintainable software, and am passionate about leveraging marketing tools to promote growth for businesses.
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Language
English
Advanced
German
Advanced
Italian
Beginner
Hungarian
Fluent
Work Experience
Web Developer / Consultant / Server Administrator at IT Service Höger Ameis
December 31, 2024 - October 1, 2025Developed vitalitaetsrad.at (later energiehoch7.at), an internet service offering a scientific health assessment based on complex mathematical formulas; built a system to manage interaction between therapists and patients; won second place at the Constantinus Award for excellence in consulting and IT-services with this software; web development, SEO, internet services and server administration consultant.
Web Developer at WEBTRIBUTE GmbH
December 31, 2024 - October 1, 2025Dynamic web agency work in Zürich; implemented a web service for learning workshops management (lernstuben.ch) for the Canton Zürich; contributed to several projects including OSG Seminar Manager Joomla Extension, thun.ch web service, mededition.ch; technologies used: Joomla MVC Component, Symfony Framework, Twig, jQuery, Bootstrap, WordPress.
Web Developer / Consultant / Server Administrator at EWS Outsourcing
December 31, 2024 - October 1, 2025Leading full stack developer to implement the new company internal talent recruiting software, based on the Symfony Framework; responsible for server administration and maintenance for the company hosting on Google Cloud and cPanel/Linux; website maintenance and development; worked in a multinational company; enhanced a complex job-related database tool connecting worldwide premium employers with candidates; served as Web developer, SEO consultant, and Internet services and server administration consultant; technologies used: Symfony PHP Framework, WordPress, jQuery, Bootstrap, cPanel, Google Services, Linux hosting server administration.
Web Developer / Consultant / Server Administrator at IT Service Höger Ameis
January 1, 2024 - January 1, 2024Developed vitalitaetsrad.at / energiehoch7.at, an internet service offering scientific health assessments based on complex mathematical formulas; built a system to manage interactions between therapists and patients; awarded second place at the Constantinus-Award for excellence in consulting and IT services with this software.
Web Developer at WEBTRIBUTE GmbH
January 1, 2024 - January 1, 2024Implemented a web service for learning workshops management (lernstuben.ch) and contributed to several projects including OSG Seminar Manager Joomla Extension, thun.ch web service, and mededition.ch.
Web Developer / Consultant / Server Administrator at EWS Outsourcing
January 1, 2024 - January 1, 2024Led the development of the company’s internal talent recruitment software based on the Symfony framework; performed server administration and maintenance for Google Cloud and Linux hosting with cPanel; maintained company website and worked as a web developer, SEO consultant, and IT services provider in a multinational environment; contributed to a complex job-related database tool connecting worldwide premium employers with candidates.
Web Developer / Consultant / Server Administrator at IT Service Höger Ameis
January 1, 2024 - October 1, 2025Developed vitalitaetsrad.at (later energiehoch7.at), an internet service offering a scientific health assessment, with a system to manage therapist-patient interactions; won second place at the Constantinus Award for excellence in consulting and IT services with this software; roles included web development, SEO consulting, internet services, and server administration.
Web Developer at WEBTRIBUTE GmbH
January 1, 2024 - October 1, 2025Worked in a dynamic web agency in Zürich; implemented a web service for learning workshops management (lernstuben.ch); contributed to multiple projects including OSG Seminar Manager Joomla Extension, thun.ch web service, and mededition.ch; technologies used included Joomla MVC Component, Symfony, Twig, jQuery, Bootstrap, and WordPress.
Web Developer / Consultant / Server Administrator at EWS Outsourcing
January 1, 2024 - October 1, 2025Led full-stack development to implement the new internal talent recruiting software based on Symfony; handled server administration and hosting on Google Cloud and cPanel/Linux; maintained company website; contributed in a multinational environment; enhanced a complex job-related database tool connecting worldwide premium employers with candidates; technologies used included Symfony, WordPress, jQuery, Bootstrap, cPanel, Google Services, and Linux hosting.
Web developer / Consultant / Server Administrator at IT Service Höger Ameis
January 1, 2024 - October 1, 2025Developed vitalitaetsrad.at, later renamed energiehoch7.at, an internet service offering scientific health assessment based on complex mathematical formulas; system to manage interaction between therapists and patients. Won second place at the Constantinus-Award for excellence in consulting and IT-services with this software. Also served as web developer, SEO consultant, and internet services/server administration consultant. Technologies used: PHP CodeIgniter, WordPress, jQuery, Bootstrap, Shopware, WooCommerce, jQuery, wkhtmltoPdf.
Web developer at WEBTRIBUTE GmbH Zürich, CH
January 1, 2024 - October 1, 2025Dynamic web agency role implementing a web service for learning workshops management offered by the Canton Zürich (lernstuben.ch). Worked on several projects including OSG Seminar Manager Joomla Extension, thun.ch web service, mededition.ch. Technologies used: Joomla MVC Component, Symfony Framework, Twig, jQuery, Bootstrap, WordPress.
Web developer / Consultant / Server Administrator at EWS Outsourcing
January 1, 2024 - October 1, 2025Lead full-stack developer to implement the new company internal talent recruiting software, based on the Symfony Framework. Responsible for server administration and maintenance for the company hosting on Google Cloud and cPanel/Linux. Website maintenance and development. Worked in a multinational company. Enhanced a complex job-related database tool that connects worldwide premium employers with candidates. Also served as a web developer, SEO consultant, and internet services/server administration consultant. Technologies used: Symfony PHP Framework, WordPress, jQuery, Bootstrap, cPanel, Google Services, Linux hosting.
Web Developer / Webmaster at Biotivia LLC
December 31, 2016 - October 1, 2025Web developer and webmaster for biotivia.com, biotivia.co.uk, biotivia.it, celleskincare.com, ultrabeutyspecials.com, biotivialabs.com; developed responsive WordPress-based blog system; created mailing campaigns; server administration for Biotivia domains.
Web Developer / Webmaster at Biotivia LLC
January 1, 2016 - January 1, 2016Web development and maintenance for Biotivia and related domains; built a responsive WordPress-based blog; managed email campaigns; provided server administration for Biotivia domains.
Web Developer / Webmaster at Biotivia LLC
January 1, 2016 - October 1, 2025Web developer and webmaster for multiple Biotivia sites; developed responsive WordPress-based systems (e.g., blog.celleskincare.com) and managed mailing campaigns; performed server administration for Biotivia domains.
Web Developer / Webmaster at Biotivia LLC
January 1, 2016 - October 1, 2025Web developer and webmaster for biotivia.com and related domains; developed responsive WordPress-based blogs and managed mailing campaigns; server administration for Biotivia domains.
Web Developer / SEO Consultant at 2.0Promotion GbR
December 31, 2015 - October 1, 2025Developed seolyser.de, a complex internet service to assess remote website SEO parameters and provide feedback and search engine related information; web development, SEO consultant, internet services and server administration consultant.
Web Developer / SEO Consultant at 2.0Promotion GbR
January 1, 2015 - January 1, 2015Developed seolyser.de, a complex service to assess remote website SEO parameters and provide actionable feedback and search engine related information.
Web Developer / SEO Consultant at 2.0Promotion GbR
January 1, 2015 - October 1, 2025Developed seolyser.de, a complex service to assess remote website SEO parameters and provide actionable feedback; roles included web development, SEO consulting, and internet services and server administration.
Web developer / SEO Consultant at 2.0Promotion GbR
January 1, 2015 - October 1, 2025Developed seolyser.de, a complex internet service to assess remote website SEO parameters and provide feedback and search engine related information.
Web Developer and Project Manager at HELI RIVIERA
December 31, 2013 - October 1, 2025Developed the heliriviera-training.com e-learning solution and online vessel crew’s safety certifications.
Web Developer and Project Manager at HELI RIVIERA
January 1, 2013 - November 19, 2025Developed heliriviera-training.com e-learning solution and online vessel crew safety certifications.
Web Developer and Project Manager at HELI RIVIERA
January 1, 2013 - October 1, 2025Developed heliriviera-training.com e-learning solution and online vessel crew safety certifications.
Web Developer and Project Manager at HELIRIVIERA Cannes, FR
January 1, 2013 - October 1, 2025Developed heliriviera-training.com e-learning solution and online vessel crew’s safety certifications.
Web Developer / SEO Consultant at ALLINWEB AG
December 31, 2012 - October 1, 2025Web Developer for allinweb.ch; developed Allinweb portal related to PRINCE2 certification services; developed hotel booking solutions and job portals such as hotelsardinia and jobswiss.ch; remote job solutions.
Web Developer / SEO Consultant at ALLINWEB AG
January 1, 2012 - January 1, 2012Developed the Allinweb.ch website, Allinweb Prince2 training portal, hotel booking solutions, and jobswiss.ch / stellen-offene.ch portals.
Web Developer / SEO Consultant at ALLINWEB AG
January 1, 2012 - October 1, 2025Web development for allinweb.ch; developed the Allinweb portal and hotel booking and job portals for Swiss market; responsibilities included SEO consulting and internet services.
Web Developer / SEO Consultant at ALLINWEB AG
January 1, 2012 - October 1, 2025Web development for allinweb.ch; developed the Allinweb portal for PRINCE2 training and projectmanagement portals; built hotel booking solutions and the jobswiss.ch job portal; remote job.
Project Manager / Php Programmer at VideoTube GMBH
January 1, 2009 - October 1, 2025Led team to develop videotube.de; responsibilities included team recruitment, programming the new video service and contributing to eborrow.de money lending service.
Project Manager / PHP Programmer at VideoTube GMBH
December 31, 2008 - October 1, 2025Led the team to develop videotube.de; gathered a team of professionals to improve the German video sharing service; contributed to eBorrow.de money lending service; technologies used: Subversion, Smarty, PHP, internet services, fast template.
Project Manager / PHP Programmer at VideoTube GMBH
January 1, 2008 - November 19, 2025Led a team to develop videotube.de and contributed to the eBorrow.de money lending service; responsibilities included team assembly, programming, and service development.
Project Manager / PHP Programmer at VideoTube GMBH
January 1, 2008 - PresentLed a team in Germany to develop videotube.de; responsibilities included team organization, programming the new video service, and contributing to eBorrow.de money lending service.
Education
Bachelor degree in Informatics and Mathematics at Petru Maior State University Tîrgu Mureş, RO
January 11, 2030 - October 1, 2025Informatician at Petru Maior State University Tîrgu Mureş, RO
January 11, 2030 - October 1, 2025Bachelor degree in Informatics and Mathematics at Petru Maior State University Tîrgu Mureş
January 11, 2030 - October 1, 2025Informatician at Petru Maior State University Tîrgu Mureş
January 11, 2030 - October 1, 2025Bachelor degree in Informatics and Mathematics at Petru Maior State University, Tîrgu Mureş, Romania
January 11, 2030 - October 1, 2025Informatician (Diploma) at Petru Maior State University, Tîrgu Mureş, Romania
January 11, 2030 - October 1, 2025Bachelor degree in Informatics and Mathematics at Petru Maior State University Tîrgu Mureş
January 11, 2030 - November 19, 2025Informatician at Petru Maior State University Tîrgu Mureş
January 11, 2030 - November 19, 2025Qualifications
Constantinus Award for excellence in consulting and IT-services (2nd place)
January 11, 2030 - October 1, 2025Constantinus Award for excellence in consulting and IT-services
January 11, 2030 - October 1, 2025Constantinus Award – Excellence in Consulting and IT-Services
January 11, 2030 - October 1, 2025Bachelor degree in Informatics and Mathematics
January 11, 2030 - November 19, 2025Informatician
January 11, 2030 - November 19, 2025Industry Experience
Software & Internet, Professional Services, Media & Entertainment, Education, Healthcare
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
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