Andrei Tsapurin Email & Phone Number

Serbia

Postal Technologies - development and support of information business systems of the Russian Post.𝗥𝗲𝘀𝗽𝗼𝗻𝘀𝗶𝗯𝗶𝗹𝗶𝘁𝗶𝗲𝘀:► Receiving, analyzing, and fixing bugs after the previous contractor who transferred functionality from the "Unified Postal Remittance System legacy system.► Realizing the functionality of automatic update of Android applications on the client devices of the queue management system.► Realization of online monitoring service of the current state of the queue management system with the output of all available metrics in the user interface.► Integration of the queue management system project into CI/CD.► Realizing service development tasks (more than 250 tasks).► Released 16 major features and 30 hotfixes.► Stabilizing functionality during replication.► Transfering project source codes to Git.𝐊𝐞𝐲 𝐀𝐜𝐜𝐨𝐦𝐩𝐥𝐢𝐬𝐡𝐦𝐞𝐧𝐭𝐬:► Successfully integrated a stable, high-performance microservice into the Unified Analytical System service.► Significantly decreased data processing time from 50 seconds to just 5 seconds while optimizing CPU utilization from 30% to 10% and reducing memory consumption from 300 MB to 150 MB.► Developed and deployed an electronic queue management system tailored for compatibility with 4 sets of client equipment, spanning Android versions 4.1 to 12 OS versions and 4 types of POS printers.► Successfully implemented this system across over 30,000 post offices throughout the Russian Federation.► The implementation of this system streamlined queue organization in post offices, leading to a significant improvement in customer service speed and a higher standard of service quality.𝐓𝐞𝐜𝐡𝐧𝐨𝐥𝐨𝐠𝐲 𝐬𝐭𝐚𝐜𝐤: C#, .Net Core 5, MSSQL, PostgreSQL, Swagger, EntityFrameworkCore, OData, NLog, AutoMapper, FluentValidation, Quartz, NUnit, NSubstitute, Humanizer, Stimulsoft.Reports, Git, and CI/CD.

Terem LTD sells sophisticated engineering and construction equipment, tools, and supplies.𝗥𝗲𝘀𝗽𝗼𝗻𝘀𝗶𝗯𝗶𝗹𝗶𝘁𝗶𝗲𝘀:► Prepared project briefs and page layouts for the website.► Architected, developed, tested, and launched the website into commercial operation.► Implemented site optimization strategies to enhance search engine visibility.► Optimized website performance by reducing page loading times.► Integrated with Grastin delivery service for seamless logistics.► Integrated with Sber online payment service for secure transactions.► Collaborated with major product aggregators (YandexMarket, GoogleTovary, GoodsVK, GoodsMailRu) to ensure accurate product listings and updates.► Analyzed and modernized legacy code.► Corrected existing errors in the functionality logic.𝐊𝐞𝐲 𝐀𝐜𝐜𝐨𝐦𝐩𝐥𝐢𝐬𝐡𝐦𝐞𝐧𝐭𝐬:► Worked closely with the team of analysts to create high-quality technical specifications and page layouts for the website. This streamlined the development of the site's core functionality, resulting in a two-month reduction in the development timeline.► Successfully managed the development and testing teams, leading to the site's deployment one month ahead of the original schedule.► Optimized the website for search engines, achieving top-10 rankings on major search engines, including Yandex and Google.► Improved site performance significantly, reducing the main page's loading time from 15 seconds to 2 seconds and catalog pages from 20 seconds to 3 seconds.► Coordinated effectively with the team of analysts to produce high-quality technical specifications and page layouts, resulting in a one-month reduction in the development timeline.► Efficiently managed the development and testing teams, enabling the website's launch one month before schedule.𝐓𝐞𝐜𝐡𝐧𝐨𝐥𝐨𝐠𝐲 𝐬𝐭𝐚𝐜𝐤: PHP, MySql, JavaScript, jQuery, Ajax, HTML, CSS, SVG; Linux, Git, Cron, ASP.NET, MS-SQL, Selenium.

𝗥𝗲𝘀𝗽𝗼𝗻𝘀𝗶𝗯𝗶𝗹𝗶𝘁𝗶𝗲𝘀:► Developed a service for recursive traversal of vendor sites to collect essential product characteristics, photos, and prices.► Developed a service for collecting information from the leading product aggregators to identify retail price violators among the distributors of Terem products.► Developed a service that performs testing of the user interface and the main functionality of the website of the company's online retail store, according to pre-scheduled test cases.𝐊𝐞𝐲 𝐀𝐜𝐜𝐨𝐦𝐩𝐥𝐢𝐬𝐡𝐦𝐞𝐧𝐭𝐬:► Improved the area's market appeal compared to competitors, resulting in a substantial 30% increase in sales.► Streamlined the process of identifying retail price violations among distributors through automation, enabling swift responses and effective measures to regulate retail prices within the market.► Implemented automated site testing procedures, allowing for the prompt detection and resolution of issues, thereby significantly enhancing the site's reliability and competitiveness compared to industry rivals.𝐓𝐞𝐜𝐡𝐧𝐨𝐥𝐨𝐠𝐲 𝐬𝐭𝐚𝐜𝐤: PHP, MySql, JavaScript, jQuery, Ajax, HTML, CSS, SVG; Linux, Git, Cron, ASP.NET, MS-SQL, Selenium.

𝗥𝗲𝘀𝗽𝗼𝗻𝘀𝗶𝗯𝗶𝗹𝗶𝘁𝗶𝗲𝘀:► Created and maintained responsive web applications, ensuring optimal user experiences across various devices and screen sizes.► Worked closely with designers, UX/UI experts, and backend developers to implement seamless web solutions that met project requirements.► Identified and resolved issues by debugging and troubleshooting code, ensuring the website's functionality and performance.► Implemented security protocols and best practices to safeguard web applications from vulnerabilities and threats.► Regularly maintained and updated existing websites, incorporating new features, fixing bugs, and ensuring software sustainability.

𝗥𝗲𝘀𝗽𝗼𝗻𝘀𝗶𝗯𝗶𝗹𝗶𝘁𝗶𝗲𝘀:► Supported the company's online stores.► Organized product photography.► Managed the creation of thematic content.► Outlined work tasks.► Drafted technical tasks for contractors.► Selected and collaborated with contractors, including copywriters, software developers, SEO specialists, and technical support for server equipment.► Allocated tasks among department employees.► Designed performance control systems for the department.► Developed motivation schemes for department personnel.𝐊𝐞𝐲 𝐀𝐜𝐜𝐨𝐦𝐩𝐥𝐢𝐬𝐡𝐦𝐞𝐧𝐭𝐬:► Led the company's creation and launch of 7 Internet projects from scratch.► Established a company's photo studio, including selecting professional lighting, training employees in using professional photo equipment, and processing photo material in Photoshop.► Developed and implemented a labor productivity control scheme, resulting in the transition to employee piecework wages and an impressive 80% increase in departmental productivity.► Designed a statistics management scheme for the department's work, enabling the generation of real-time reports on job progress, with the capability to filter by job category, date, employee, and more.

𝗥𝗲𝘀𝗽𝗼𝗻𝘀𝗶𝗯𝗶𝗹𝗶𝘁𝗶𝗲𝘀:► Designed and architected complex IT systems to meet organizational requirements and objectives, including hardware and software components.► Implemented and integrated various hardware and software components into the existing infrastructure, ensuring compatibility and seamless operation.► Monitored system performance, conducted regular maintenance, and troubleshooted issues to ensure optimal system functionality and uptime.► Implemented security measures and ensured compliance with industry standards and regulations to protect systems and data from unauthorized access and breaches.► Maintained detailed system documentation, including configurations and procedures, and provided training to IT staff and end-users to ensure efficient system operation and support.

Diploma Of Education, .Net Developer. Software Development

Master'S Degree, Engineering