Aleksei Sotnykov

Aleksei Sotnykov

React Native Developer @ Kraken

About

Senior React-Native / React Developer with 6+ years of expertise in delivering high-performance cross-platform mobile applications from ground up. I am passionate about creating efficient, performant solutions that users would LOVE to use. 𝗜𝗻 𝘁𝗲𝗿𝗺𝘀 𝗼𝗳 𝗱𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁... I have a strong background in managing development teams, implementing CI/CD pipelines, delivering complex features and designing scalable, reusable UI components. I prioritize clean, maintainable code and foster teamwork to ensure the timely and efficient delivery of challenging projects. With experience across various industries, I align technical solutions with business objectives to deliver impactful products. 𝗞𝗲𝘆 𝘀𝘁𝗿𝗲𝗻𝗴𝘁𝗵𝘀: • Lead the development of cross-platform mobile applications from concept to deployment. • Enhance user experiences through efficient feature integration and performance tuning. • Design and implement reusable and scalable UI components to streamline development. • Set up CI/CD pipelines for seamless deployment and iterative feedback cycles. • Mentor new team members to enhance their technical and professional growth. 𝗧𝗲𝗰𝗵 𝘀𝘁𝗮𝗰𝗸: • Languages: JavaScript, TypeScript, Swift, Kotlin • Frameworks & Tools: React Native, React.js, Expo, Redux, MobX, Zustand, Next.js • Styling: TailwindCSS, Styled Components, React Native Reanimated • Testing: Jest, Detox, React Testing Library • Build Tools: VS Code, Xcode, Android Studio, GitLab CI, Bitrise • Server Communication: REST API, GraphQL, WebSockets, WebRTC 𝗜𝗻𝗱𝘂𝘀𝘁𝗿𝘆 𝗸𝗻𝗼𝘄𝗹𝗲𝗱𝗴𝗲: • Tech | SaaS | E-commerce | FinTech | HealthTech | Sports Apps 𝗛𝗼𝗯𝗯𝗶𝗲𝘀: • Hiking and sports enthusiast ⛰️ • Beginner snowboarder 🏂 𝗚𝗲𝘁 𝗶𝗻 𝘁𝗼𝘂𝗰𝗵: • Email: avestar121@gmail.com • Telegram: @ave_star

Country

Poland

City

Warsaw

Industry

Computer Software

Skill

React Native, React.js, JavaScript, TypeScript, Web Application Development, Mobile Application Development, Web-based Software Development, REST API, Redux Saga, CI/CD, Async, Firebase, Algorithms, Jira, Azure DevOps ALM, Teamwork, Swift, MobX, AWS, Swift (Programming Language)

Experience

Kraken

React Native Developer

Kraken

LinkedIn
2025-9 - 2026-5 · 9 mos

Kraken is one of the world’s leading cryptocurrency platforms, providing secure and reliable products for trading, investing, and managing digital assets. The company serves millions of users globally and focuses on building accessible, high-performance financial products in the crypto space. - Worked on the Kraken consumer app as a React Native developer alongside a cross-functional team of engineers, designers, and product managers. - Worked extensively with animations, deep linking, and complex navigation flows, including building entirely new user journeys and screens from scratch, as well as extending and improving flows originally developed by other engineers. - Collaborated closely with other developers and product teams to efficiently deliver new features and quickly adapt functionality when product requirements or priorities changed during development. - Participated in the application release process, coordinating and monitoring production rollouts, validate release stability, and quickly respond to issues when necessary. - Contributed to improving overall application quality and reliability by expanding unit and end-to-end test coverage. - Performed a large number of code reviews for both my own team and teams working on other parts of the application, helping maintain code quality, consistency, and shared engineering standards across the project. - Worked in an agile development environment, participating in team planning, discussions, and feature delivery processes. Cannot disclose further technical and product details due to an NDA.

TransferRoom

React Native Developer

TransferRoom

LinkedIn
2024-6 - 2025-9 · 1 yr 4 mos

Warsaw, Mazowieckie, Poland

TransferRoom is taking football's transfer market into the digital age and making football transfers easy. It is a community exclusively for the critical stakeholders in the football transfer system. TR also empowers customers to be successful in the transfer market by giving them instant access to the best market information and a second-to-none network of global connections. - Merged native iOS/Android apps into one single React Native app. - Implemented CI/CD pipelines. - Covered app with tests and UA tracking. - Suggested new ideas on some of the app features, which increased conversions rate more than twice and brought new users. - Worked closely with backend developers and designers to deliver features on time and make changes in the process if needed. Participated in SCRUM meetings.

Patrianna

React Native Developer

Patrianna

LinkedIn
2022-5 - 2024-5 · 2 yrs 1 mo

Sofia, Sofia City, Bulgaria

Patrianna focuses on crafting tailored strategies for the iGaming sector, developing innovative products, and leveraging cutting-edge technology to support business growth. Its expertise spans product development, product management, and technology solutions, all aimed at creating exceptional player experiences. - Developed mobile app from scratch and deployed it to Android/IOS app stores. - Covered app with tests. - Wrote custom native modules for both platforms to interact with native modules and libraries. - Maintained CI/CD and implemented new pipelines. - Wrote detailed documentation on setting up and maintaining the app and its functionality. - Onboarded and taught new developers .

TIGER 21

React Native Developer

TIGER 21

LinkedIn
2021-6 - 2022-5 · 1 yr

TIGER 21 is a global network for high-net-worth entrepreneurs, investors, and executives focused on wealth preservation and personal development. Members engage in peer-to-peer learning, discussing topics such as investment strategies, estate planning, and family challenges. Founded in 1999, TIGER 21 provides a platform for members to share experiences and insights, helping each other navigate the complexities of wealth management and legacy planning. The organization has grown to include over 1,450 members across 53 cities worldwide. - Developed mobile app with full lifecycle from zero untill product deploy. - Fully covered with tests. - Setup Gitlab pipelines - Implemented unconventional features on mobile as live chat, live streams with picture-in-picture mode, events calendar. - Wrote custom native modules for both platforms for interactive picture-in-picture videos mode. - Integrated Getstream.io service - Created adapted & responsive layout for large tablets/Ipads

TenThousand

Frontend Developer

TenThousand

LinkedIn
2020-4 - 2021-5 · 1 yr 2 mos

Odesa

Ten Thousand is a design and development agency that focuses on creating digital products for businesses. They work with clients to develop solutions that are both user-centered and scalable, with an emphasis on blending design, creativity, and technology. Their team aims to deliver high-quality projects that meet the specific needs of each client while enhancing user experiences. - Worked as a part of the team which has build multiple web projects for big businesses. - Added linter rules and precommit actions, configured pipelines. - Collaborated with design and backend teams. - Connected payments and wrote other business logic. - Connected GraphQL queries and set up state managers for multiple apps

Education

Vistula University

Vistula University

LinkedIn

Computer Science

Aleksei Sotnykov's Contact Information

Email

******@***.com

Phone

(**) *** ****

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