Feb 2025 – Nov 2025 · 9 mos · Dubai, United Arab Emirates · Remote

• Description:
• Development of Tonhub - crypto wallet in TON blockchain
• Key results:
• Contributed to multi-chain architecture, supporting TON and Solana wallets — debugging, adapting to blockchain-specific logic, and ensuring smooth cross-chain user experience.
• Supported and debugged integration with Holders, a non-custodial crypto card service allowing users to spend crypto via virtual cards.
• Deeply explored Ledger device integration, fixing connection issues, adding new signing features, and improving overall communication stability between the app and hardware wallet.
• Delivered full Changelly integration, enabling seamless in-app crypto swaps with transparent fee handling and error resilience.
• Enhanced TON Connect integration — added new data formats, testnet compatibility, and improved signing logic for different connection types.
• Significantly optimized transaction history performance, reducing rendering time and improving scrolling smoothness for large datasets.
• Designed and implemented complex custom animations and transitions — including PIN input and loading flow, scroll transitions on home screen, transaction animations, etc. — enhancing user experience and visual polish.
• Resolved 100+ critical bugs across wallet import, Ledger, and swap flows, improving app stability and reliability.
• Integrated Maestra marketing service with dual push-notification support (Expo + Maestra).
• Polished DeFi modules (Earn, Staking, Savings, Liquidity Pools), improving calculation accuracy and user flow consistency.

Nov 2023 – Dec 2024 · 1 yr 1 mo · Singapore · Remote

• Description:
• FinTech company providing service for investment in Pre-IPO companies
• Key results:
• Led Full-Cycle Mobile App Development:
• Led a high-performing team, conducting regular code reviews ensuring code quality, and participating in requirements analysis, product design, and architecture definition in coordination with internal teams and stakeholders.
• Enhanced Transparency:
• Developed an approach of documenting information on how the frontend uses data from the backend. It provided clear visibility for everyone in the team on data usage within the mobile app.
• Accelerated MVP Development:
• Collaborated closely with the product team to define an MVP based on desired functionalities, enabling faster rollout of new features while preserving their core essence. Created the development plan and tasks for developers.
• Standardized Code Style:
• Improved code quality by introducing ESLint and Prettier, ensuring that the entire team adhered to consistent coding standards.
• Promoted Team Well-Being:
• Actively monitored teammates' mental health, recognizing signs of burnout and providing praise for hard work. Fostered a supportive atmosphere to combat imposter syndrome, understanding that a healthy team dynamic is crucial for both morale and business success.
• Optimized Third-Party Services:
• Conducted research on suitable third-party services for the project, presenting findings in a pros and cons format to facilitate informed decision-making within the team.
• Implemented Analytics Functionality:
• Successfully integrated analytics tools (Amplitude, AppMetrica, AppsFlyer, Firebase Analytics) by coordinating with both internal and external analytics teams, leading to improved processes among product and development teams.
• Developed KYC Flow:
• Implemented a Know Your Customer (KYC) flow for users, and integrated SumSub service for this purpose.

Sep 2019 – Nov 2023 · 4 yrs 2 mos · Кипр

• Description:
• Development of React Native apps for iOS and Android platforms of different complexity. Adaptive mobile design, integration with APIs, and third-party services.
• Projects:
• Finished over 11 projects of different complexity in different business areas.
• Personal Responsibilities:
• Full-cycle mobile app development, working in a team. Interviewing React Native developers. Projects estimations. Code reviewing. Making training process for junior developers. Mentoring. Active participation in product decisions.
• React Native Technologies:
• React Native
• JavaScript (ES6+)
• TypeScript
• Redux, Zustand, MobX
• Context API
• React Native Reanimated
• React Query
• i18-next
• Redux Saga
• Formik, Yup
• Flow AI
• Fetch, Axios, API Sauce
• React Navigation, React Native Maps
• Dynamic links
• React Native Base Components
• Google Analytics
• OAuth
• Oazapfts
• Firebase/Batch push notifications
• Detox (E2E), Jest
• Bitrise, Fastlane, Jenkins, Firebase Distribution, AppCenter

Aug 2018 – Aug 2019 · 1 yr · Улан-Удэ, Республика Бурятия, Россия

• Started working there as a backend developer (Node JS). Then I developed dashboards in React. And after all I ended up as React Native developer. It was a really good way to build my knowledge base