Wildberries is the leading online retailer in Russia, with a dominant 47% market share and expansive operations across 8 countries. As a part of a team of 16, I ambitiously embarked on developing a new mobile banking app from the ground up, which 300 thousands of individuals use daily.Responsibilities and achievements:- As a Senior developer in the startup, I hold the pivotal role of implementing all critical features essential for the app/business's expansive growth. So far I…- Implemented the fundamental functionality of the application, namely money transfers and payments;- Integrated push notifications, which made it possible to promptly inform clients about current account transactions, as well as send promotional offers;- Implemented an analytics sending service, which allows you to track customer actions in the application and evaluate the effectiveness of the current design and business logic;- Implemented the functionality of online registration of a debit card and its subsequent operation in the application, which allows platform users to use funds in the account outside of Wildberries products;- Redesigned and implemented updates for design system components (standard/template elements used in the application).

Sber (formerly known as Sberbank) is Russia's largest bank, ranked 5th in Europe's top 10 by market capitalization. During my 5-year journey, I developed the functionality of the Credit Potential module Sberbank Online which accounts for over 81 million daily users across all platforms (20 million for an iOS version).Responsibilities and achievements:- Rewrote the module from Objective-C to Swift, allowing the team to hire professionals who lacked Objective-C knowledge; - Refactored and supported a Credits section on the main app screen that led to an increase of the average daily users in our product from 20 thousand to 120+ thousand;- Developed a backend-driven UI engine for a loan flow providing on-the-go content customization;After the pilot, the engine was successfully utilized by several teams in the tribe, decreasing the time spent on content updates;- Set up and supported my tribe’s build agents to achieve a better speed of CI/CD pipeline, reducing overall build time from 4h (at rush hours before release) to 1h;- Upon daily tasks, wrote and supported 1000+ unit tests in the module and piloted A/B tests for the app;- Mentored 3 junior developers who successfully passed evaluation tests and successfully worked after probations;- Served as an Onboarding Buddy for new tribe members, facilitating smooth integration and accelerating their productivity;- Participated in internal hackathons resulting in tech debt reduction (more than 470 warnings);- Conducted multiple tech job interviews