As a part of development team I design, develop, and improve Company's Customers projects mostly implementing RESTful API mechanics.Technology stack: php, laravel, mysql, postgres, git, docker, etc.

Implemented software projectsOnline store of the restaurant chain 'Gurmania' (2016 - 2021)Refactoring CRM Prestashop 1.6 using embedded mechanics of overriding the core classes and methods. New modules and templates development.Technologies: PHP, Javascript/jQuery, Smarty, Bootstrap, Html/CSS/SCSS, MySQL,2GIS/Leaflet/Openstreet Maps API, Liqpay/WayForPay API, Telegram API, Google GTAG/GA eventsURL: https://gurmans.dp.ua/Online restaurant food delivery store (2020 - 2021)Based on refactored/improved version of the 'Gurmania' online storeTechnologies: PHP, Javascript/jQuery, Smarty, Bootstrap, Html/CSS/SCSS, MySQL,2GIS/Leaflet/Openstreet Maps, Liqpay API, WayForPay API, Telegram API, Google GTAG/GA eventsURL: https://hifood.com.ua/Automatic order status checker (2021)Automatic generator of daily/weekly/monthly reports on online orders payment statuses.Technologies: Python/Django, Javascript/jQuery, Bootstrap, Html/CSS/SCSS, Liqpay API,WayForPay APIDigital restaurant menu (2020 - 2021)Web-application that allows a visitor to make an order without a waiter.Technologies: Python/Django, R-Keeper XML APIVirtuals Visitor Card (2017 - 2019)An improved version of the Bonus card app that worked in conjunction with R-Keeper CRM 7 system.Technologies: Javascript, R-Keeper XML API, HTML, CSSBonus card (2018 - 2019)SPA-application to check Bonus card balance with the R-Keeper CRM 7 system.Technologies: PHP, Javascript, Rest API, Bootstrap, XML, HTML, CSSURL: https://bonus.gurmans.dp.ua/ (the project is completed and currently stopped)Discount coupons distribution (2015 - 2017)Web-application for the generation, sale, and accounting of unique discount coupons for the Company's restaurants.Technologies: PHP, MySQL, Javascript/jQuery, HTML, CSS, Bash, Cron, SSHURL: https://kupon.gurmans.dp.ua/ (the project is completed and currently stopped)Ancient history omitted, but available upon request)

Design, deployment and maintenance of server/network infrastructure to support the Company's business:- 10+ Debian/Ubuntu Linux phys/virt servers- 10+ phys/virt Windows servers- 50+ users PC- VMWare vSphere, IBM Lotus Domino, USC R-Keeper/Store House- Full network services stack deployment: TCP/IP, IP filters, DNS, IPSec/OpenVPN, SMTP/POP/IMAP, etc.- Company's website/online store development, deployment and maintenance: Apache, Mysql, PHP, a number of implemented technologies/solutions along 15 years of evolution.- Deployment and administering IBM Lotus Domino/Notes suite (v5-v9) in heterogenious Linux/Windows environment.- Installing, setting up and maintenance the USC R-Keeper v6-v7 Restaurant management suite and USC Store House v3-v4.

Deploying of a distributed network of computers (central office and 8 branches).Installation, configuration and administering of servers running Linux and Windows.Setting up and launching secure communication channels based on Linux/IPSes.

Installation, configuration and administration of servers and computer network of the bank. Automation of installation and configuration of remote access to bank branches.Bank's web-site development and deployment.

Development of software for calculating life insurance rates depending on the policyholder's gender, age, and other criteria.