Valentin is a Senior RoR Architect/Engineer with 10+ years of full-stack expertise in the use of JavaScript, Ruby, and Python. He has worked in IT consulting, project management, and business process optimization using the latest software tools and process to optimize data storage, eCommerce functionality, and fluidity across different platforms. Valentin writes clean, efficient, and accessible code with an eye for code quality in delivering bug-free applications.
Provided services for a German bank on a big RoR microservices infrastructure consisting of 13 services.
Supported and improved the back end and front end.
Ruby on Rails (RoR)
MicroservicesMicroservices Architecture
Engine Yard
Chief RoR Architect
2018 - 2019 (1 year)
Remote
Worked on improving architecture, database design, and platform quality, cutting AWS costs from $300K to $145K.
Upgraded Engine Yard's architecture to keep up with changes in both technology and market need through 24/7 monitoring of metrics like services availability and database updates.
Participated in tasks for the rotation root API keys for 27,000 AWS accounts on EY's platform.
Designed and architected new features and provided support for a mobile messaging platform with 40+ million active accounts, processing thousands of messages per hour.
Optimized the SQL query for grouping profiles and streamlined loading processes to the platform's database.
Oversaw the migration of mailing alerts from sailthru.com to mailchimp.com to optimize the platform's mail flow, reducing the mailing bill by 40%.
Developed middle-level applications to align with different storage systems and data processing capacities on the eCommerce platform, managing and optimizing SQL queries.
Delivered full-stack expertise to a large internet solution provider in the area for eCommerce, supporting 4,000+ e-shops with 25M goods and 30K unique users a day.
Wrote RESTful APIs with different data formats to work with JSON, XML, and plain text and developed integration solutions between different Rails applications.
Led IT strategy implementation for an organization with 100 employees and 5,000 clients, directing the company’s technology adoption efforts within the Tyumen region.
Designed and implemented algorithms to optimize trade flow and credit resources, managing budgets and minimizing costs to 0.2% of total revenue.
Improved the company's website with ERP by integrating 1C with Asterisk and providing support for the VPN, online store, and website.
Engine Yard provides a PaaS platform that helps users migrate, optimize, and monitor app performance more cost-effectively. It hosts around 1,000 clients on different environments with different topologies. Offered 24/7 metric monitoring support on service availability, database updates, and enhanced platform quality, which reduced engineering costs by 50%.
Upland offers a suite of enterprise work management cloud applications and the simplicity and reliability of working with a single provider. It provides a single unified operating platform that acts as the core differentiator for its platform, setting the foundation for how it delivers customer success. Optimized SQL queries and email flow on the platform.