Iurii Mamaev Email & Phone Number

Saint Petersburg, Ru

Leading and participating in the development of a Shopify application Bolide built on microservice architecture.

St Petersburg, St Petersburg City, Russia

Technology stack:Laravel, Yii2, TDD, DDD, PostgreSQL BDR, Kubernetes, ReactTeam and role in it:I worked with a previous employer on a piece-rate and remote basis. Also, I tried freelancing.Achievements:1. Applied DDD in the project using the example of a basket and orders2. Gained experience with Laravel, React, and Kubernetes3. Made protection against DDoS attacks4. Learned to work with English-speaking customersReason for leaving:No more new tasks coming in

St Petersburg, St Petersburg City, Russia

Technology stack:Yii2, Laravel, TDD, DDD, PostgreSQL BDR, MySQL, 1C OData, Asterisk, jQuery, Zabbix, Bootstrap, Docker, Traefik, less, Asana, bash, Python, Django, Redis, Elasticsearch, AngularJS, Vue.jsTeam and role in it:Interacted with the owner of the company, its directors, Internet marketers, 1C programmers, and freelancers. I formulated technical specifications, their assessment, coordination, and development. Also, I managed the entire infrastructure of the project. I automated business processes of the companyTime costs:15% - discussion of tasks and meetings6% - assessment of tasks by deadlines and set of technical requirements68% - completion of scheduled tasks4% - errors7% - urgent tasksAchievements:1. >5000 visitors per day in the first year2. 4 of my projects on Laravel+Vue.js, Python+Django+AngularJS3. 40 extensions for Yii2. The most interesting - yii2-crud-fields (similar to Django-admin) and yii2-migration (speeds up the creation of migrations by twice times)4. 1500 tests5. 11.6% timing cost errors6. Uptime: 99.9% in 5 years7. 300GB of data and 8.57 million records in one table8. Scaling. Learned to horizontally scale the project by replicating the database to multiple servers.9. Lined up all work processes to minimize the losses on the interaction of employees and meetings10. Strengthened the OOP11. Learned DDDReason for leaving:• few tasks• the career growth ceiling has been reached• stagnation

United States

Technology stack:Yii framework, jQuery, PostgreSQL, AI, Selenium, bash, CSSTeam and role in it:I worked with a webmaster friend and automated its activities - the process of creating partner sites for advertising pharmaceutical products Stimul Cash.Time costs:60% development. I developed a system that allows you to stamp sites imperceptibly for search engines. Maden about 20 websites with it.30% task planning10% administrationAchievements:1. Thoroughly studied SEO2. For the first time in my life, I successfully used AI in combat for the task of solving a captchaReason for leaving:Severe illness of a friend

Saint Petersburg, St Petersburg City, Russia

Technology stack:Yii framework, PostgreSQL, MongoDB, Jira, jQuery, BootstrapTeam and role in it:I worked in a team of 5 developers. I took on all the most difficult tasks and optimized work processes.Time costs:20% of the time spent organizing development workflows80% development timeAchievements:1. Learned how to apply TDD in combat mode. In the company, I was the only one writing tests.2. Mastered PostgreSQL at a professional level3. Learned how to manage a team during the first period of work without a lead developerReason for leaving:Insufficient level of team professionalism

St Petersburg, St Petersburg City, Russia

Technology stack:Yii, jQuery, Bootstrap, MySQL, PostgreSQL, Perl, Bash, Asterisk, MSSQL, CI, Codesniffer, Beautifire, Elasticsearch, GitTeam and role in it:I worked in a team of 4 developers and optimized workflows by implementing the best methodologies, CI, and coding standards.Time costs:30% old code support70% Yii developmentAchievements:1. Got new skills. Mastered Yii framework, PostgreSQL, CI and practiced TDD methodology2. Implemented Agile elements in the development and at the company level3. I learned how to administer LinuxReason for leaving:Impossibility of career growth due to small development staff.

St Petersburg, St Petersburg City, Russia

Technology stack:Zend framework, PHP, jQuery, PrototypeJS, MySQL, Mootools, Dojo, Git, SVNTeam and role in it:I acted as a scrum master in a team of 6 people, two layout designers, and one designer.Time costs:60% website development30% CMS development10% Support for old projectsAchievements:1. Mastered programming2. Studied Zend Framework and all then-popular Javascript frameworks3. Mastered CSS and HTML4. Started working on LinuxReason for leaving:Low salary