Berkin Cirak
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Senior Front-End Developer at Virta Ltd
Uusimaa, Finland
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work
Full-time jobs
Starting at
EUR5k/month ~USD5.59k/month
Résumé
Jobs
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Front-End ArchitectVirta LtdFeb 2020 - Current (6 years 9 months)Virta provides electric vehicle (EV) charging solutions, offering services to drivers, businesses, and municipalities to promote sustainable transportation.
• Develop and maintain the administration panel, ensuring a seamless user experience.
• Develop reusable components to improve maintainability and scalability.
• Collaborate closely with designers and backend developers to deliver high-quality user experiences.
• Focus on performance improvements to optimize web applications for speed and efficiency.- Senior Front-End DeveloperNaveo CommerceSep 2018 - Feb 2020 (1 year 6 months)Digital Goodie is a provider of cloud-based eCommerce and fulfillment solutions for grocery retailers.
• Contributed to the development of an eCommerce platform tailored for Coop and Lidl in Britain.
• Developed reusable components to improve maintainability and scalability.
• Implemented key features such as the shopping cart, checkout process, and slot reservation system.
• Supervised external developers, assisted with onboarding, and conducted code reviews. - Senior Front-End DeveloperICEYESep 2017 - Sep 2018 (1 year 1 month)ICEYE is a leading provider of synthetic aperture radar (SAR) satellite solutions, enabling near real-time Earth observation for various industries, including disaster response, insurance, and defense.
• Led the modernization of the legacy administration panel using React and Redux.
• Improved UI/UX and performance by implementing modern frontend best practices.
• Collaborated with backend developers and designers to enhance functionality and user experience. - Senior Front-End DeveloperComeOn GroupMar 2016 - Sep 2017 (1 year 7 months)ComeOn is an online gaming company offering casino and sports betting platforms.
• Developed and maintained a multi-site online casino and betting platform using CSS and JavaScript.
• Contributed to planning the migration from a jQuery-based project to React. - Senior Front-End DeveloperGaranti BBVA TeknolojiJul 2013 - Mar 2016 (2 years 9 months)Garanti Bank is one of Turkey’s largest private banks, offering a wide range of financial services.
• Led the front-end architecture of a large-scale CRM system built as a SPA.
• Developed reusable components and JavaScript plugins to improve efficiency.
• Performed cross-browser testing and debugging to eliminate UI/JavaScript bugs and memory leaks.
• Mentored the development team, providing guidance on best practices.
• Implemented modern workflows, including automation via Grunt, CSS preprocessor integration with Sass/Compass, MVVM framework adoption with Knockout.js, and AMD integration via Require.js.
• Developed mobile applications using web technologies for the pension system and credit card applic - Senior Front-End DeveloperNexum BoğaziçiApr 2011 - Jul 2013 (2 years 4 months)Nexum Boğaziçi is a digital transformation company offering innovative IT solutions and services to leading brands in various industries, including telecommunications, finance, and electronics.
• Developed standards-compliant, responsive HTML, CSS, and JavaScript solutions for high-profile clients such as Akbank, Turkcell, Sony, BSH, and Lenovo, ensuring seamless functionality across both mobile and desktop platforms.
• Spearheaded the front-end development of Turkcell's mobile website (m.turkcell.com) using jQuery Mobile, implementing graceful degradation and progressive enhancement techniques to ensure compatibility across a wide - Full Stack DeveloperHaberturkApr 2010 - Apr 2011 (1 year 1 month)Haberturk is a leading Turkish media company, providing news, TV, and digital content across multiple platforms.
• Maintained the backend and frontend of the multisite network on a daily basis, adding new pages, features, optimizing performance, and fixing bugs.
• Performed cross-browser testing and debugging to eliminate UI/JavaScript bugs, ensuring compatibility across browsers like IE 6-9, Firefox, Chrome, and Safari.
• Played a key role in the re-architecture and redevelopment of haberturk.com, improving cross-browser compatibility and performance.
• Led the front-end and back-end development of - Front-End DeveloperfreelanceJan 2008 - Apr 2011 (3 years 4 months)• Work as a front-end developer for the new design of ING BANK Turkey (ingbank.com.tr). Developed a javascript framework for calculation tools. Various forms of calculations could be created easily using the framework (ex. http://www.ingbank.com.tr/tr/bilgi-destek/krediler).
• Front-end developer of the internet banking website of ING BANK Turkey (https://internetsubesi.ingbank.com.tr/) It is the first r - SCo-Founder, Web DeveloperSiyah BalikJan 2008 - Dec 2010 (3 years)• Focused on e-commerce. Built couple of e-commerce websites using open source e-commerce platforms including osCommerce, Zen-cart, Magento.
• Worked on e-commerce platform's administration panel to improve UX and design.
• Integrated credit card payment solutions for Magento and Zen-Cart.
• Designed and Developed erdoganlarbisiklet.com with Magento.
• Experienced with Joomla. Developed fulbright.org.tr, emtains.co - MWeb DeveloperMorTelJan 2005 - Dec 2007 (3 years)• Built applications like instant messaging, sms services by using Telsim's sms gateway.
• Developed a smart portal which includes news, social network, calendar, affiliate system from scratch using technologies asp, MsSql and native javascript. - EWeb DesignerErasmus Bilgi TeknolojileriJan 2004 - Dec 2005 (2 years)• Focused on e-commerce, designed online book store.
Education
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- Hacettepe UniversityHacettepe UniversityJan 1999 - Dec 2004 (6 years)