● Delivering a new SDK for scoring customer by photo with TFLight models within custom UI. ● Building mobile team (iOS & Android) for developing the SDK. ● Collecting business requirements from the main stakeholders within the company. ● Preparing team’s quarters using OKR (Objectives and Key Results). ● Planning sprints (used Agile). ● Building QA processes for the new SDK. ● Reviewing architecture decisions and MRs. ● Analyzing main KPIs of the team. ● Interviewing new team members. ● Scaling practices and processes to other department’s teams. ● Developing a training plan for team members based on each individual's interests. Achievements: ● First version of SDK was brought to the customers after 5 months. ● Built communication within team to reduce amount of code changes and keep velocity on a high level. ● Scalable code base of the SDK. ● Built learning plan for all team members to build up team’s technical expertise. ● Test coverage of all critical paths of the SDK (auto-tests ~60%). ● Implemented practice of sharing knowledge by small tech talks.

ESN - developing media platform (TikTok like). ● Developing SDK for composing video/audio assets. ● Developing pipeline for rendering video effects. ● Integrating new SDK functionality into two product apps. ● Developing new video effects with CoreImage & Metal. ● Adopting ML models to the rendering pipeline. ● Team leading of SDK team. ● Applying new architecture to product apps. Achievements: ● Decreased time of delivering new video/audio processing features. ● Developed team working processes. ● Scalable code base of the SDK. ● Developed process of documenting new solutions. ● Increased test coverage of the SDK.

DINS – developing cloud phone system and virtual phone system. ● Developing new modules to maximize utilization of mobile client resources like CPU and GPU. Achievements: ● Close captions generation module upon SpeechKit. ● Integrated in-house AI model for virtual background keeping resource pressure under 60%. ● Series of experiments to discover platform features for upcoming features.

DSX Technologies – developing cryptocurrency trading platform. ● Developing new and support existing functionality. ● WebSocket and RESTful API integration to connect application to backend services. ● Multiple iOS versions support (11 and above). Achievements: ● Developed inner SDK to create user interfaces in a SwiftUI-like declarative way.

OCS – Largest IT / Telecom / Consumer Electronics distribution company in Russia. ● Designing apps architecture with Swift, based on MVC, MVP and MVVM patterns. ● Developing and supporting significant apps for in-house use. ● RESTful API integration to connect application to backend services. Achievements: ● Introduced best practices to the team: GitFlow, Agile, TFS bug tracking. ● CI upon TFS on all projects. ● Developed messenger for in-house communications with user-friendly document sharing. ● Developed an app providing access to company data resources using encryption algorithms. ● Developed a logistic monitoring and planning app. ● Several promo apps for PR department — event info, music apps, etc.

Devim – Company specialised in development and integration of financial IT solutions. ● Developing online loans app. ● Transitioning app architecture to MVP. ● Using Core Graphics for visual improvement. Achievements: ● OpenGL UI rendering including several camera streams without FPS sacrificing. ● New features added and bugs fixed. ● Upgraded app to new version.

Yandex.Money – is the largest electronic payments service in Russia. More than 75,000 online stores across the globe use this service. ● Transferring large legacy codebase from Objective C to Swift, supporting workability of the native app. ● Developing new features using VIPER architecture. ● Participating in further development. Achievements: ● Implemented VIPER architecture for iOS apps with a number of upgrades. As a result — clearer component decomposition providing specified functionality. ● Expanding code testing. ● Basic features transition from MVC to VIPER. ● Code refactoring and moving SQLite to Core Data as it is more native. ● Storing and accessing data with Core Data.

Nimbl – Outsource mobile app development company. ● Developing bank client app. ● Team leading small Agile team: code review, tasking, time management. ● Architecture and design meetups. ● Mentoring team members with Swift issues. Achievements: ● Developed iOS online payment module. ● Main scenarios implemented along with SAP connection. ● Bug fixed and new features developed.