Dmitrii Vaniushkin Email & Phone Number

London, Gb

Yerevan, Armenia

I’m working in the world's largest classified service (60 million MAU), implementing rating and reviews functionality - One of the first in the company to cover all team screens (approximately 25) with performance metrics, also optimized the UI on them, improving rendering metrics and FPS- I was one of the first in the company to transition functionality to SwiftUI, contributed 4 components using this technology to the design system, and presented an internal talk on these advancements- I have experience in management, where I've been involved in 7 features not just as a developer but also gathering requirements, leading meetings, coordinating team efforts, and successfully launching the functionality- As a leader of the iOS community, I regularly organized community meetings and improved engagement. As a result, meeting attendance increased from 20 to 50 participants. Also delivered 5 internal presentations- Rewriting a debugging utility for the mobile application from scratch, simplifying iOS app testing for the entire company- Conducted approximately 120 interviews- Actively worked with backend-driven UI - implemented 5 quarterly-sized features and contributed 4 UI components- Substantially optimizing the testing process for critical team scenarios by implementing PHP-based user creation with predefined states- Facilitated regular team meetings, including planning sessions, syncs-ups, discussions, and retrospectives

Yerevan, Armenia

- Designed and implemented a universal review submission flow on iOS, reducing development time for adapting new entities by 50% upon addition (Through this flow, about 7 million reviews are left every month)- Implemented two redesigns of functionality, significantly enhancing the user experience for approximately 10 million users- Implemented the migration from Unbox to Codable, removing the dependency and increasing parsing speed by 30%- Made around 100 component and E2E tests and trained 6 QA engineers in iOS test writing- Handling onboarding and mentoring of three iOS engineers in the department- Participating in the preparation of new interview questions for company employees and implementing sections on multithreading and UI, as well as preparing a case for design- Overhauled the functional regression process by introducing detailed documentation and preparing test data, enabling quick onboarding for any new team member into this process

Moscow, Russia

Worked at the largest bank in Eastern Europe, specifically dealing with the functionality of a showcase promoting the bank's and its partners' services. The monthly active users (MAU) of the developed functionality amounted to around 10 million users. Achieved the following:- Platformized the functionality of the banking products showcase, resulting in three new entry points in the application- Enhanced the Stories display functionality so that it can be integrated into any part of the applicationImplemented the redesign and functionality of the promo code using Core Graphics, which saved the application size and increased promo code usage by 35%- Increased the number of unit tests in the module from 150 to 400- Set up and maintained CI on Jenkins on a dedicated Mac, reducing wait times on PRs from 6-7 hours to 1-2 hours- Implemented an HTML parser for displaying attributed text on the product screen- Reduced the number of warnings by approximately 300 while addressing technical debt- Actively engaged with both Swift and Objective-C within the project scope- Proficient in Core Data and multithreading- Experienced in onboarding new team members and facilitating mobile developer meetings for knowledge exchange and issue resolution- Executed intricate UI rendering for product feature implementations- Integrated seamless bank authorization integration via mobile WebView

Moscow, Russia

Served as a co-founder in a small startup in the sharing economy, where achievements include:- Designed and developed a comprehensive iOS mobile application on Swift from scratch for a sharing economy and goods rental startup, including product feed, listing submission form, messaging functionality for user communication, listing detail view, date-based booking screen, user profile management- Published the application to the Apple Store- Created all user interface designs from scratch using Figma- Implemented all relevant backend functionality using Python, Django, and Redis- Organized a 3-person team's workflow using Jira and Confluence

Master'S Degree, Business Administration And Management, General

Bachelor'S Degree, Computer Science, 9.08

Wrote a Thesis on: Development of an Intelligent Platform for Events and Companions Recommendations