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Hi, I'm Denys Yeromenko, a Senior Software Engineer with a strong background in React Native development. I've had the privilege of working with companies like NielsenIQ, Rocketech, Moneyveo, and Mauris, contributing to the development and maintenance of mobile applications that millions of users rely on daily. I enjoy collaborating with teams, reviewing code, and designing algorithms, always striving to create efficient and innovative software solutions. I am passionate about leveraging my experience in technologies like Redux, Firebase, AWS Lambda, and TypeScript to drive high-quality projects from start to finish. I also love mentoring team members and ensuring our technologies and architecture are cutting-edge, all while delivering great user experiences. I'd be excited to bring my skills and enthusiasm to new challenges in software engineering.…Hi, I'm Denys Yeromenko, a Senior Software Engineer with a strong background in React Native development. I've had the privilege of working with companies like NielsenIQ, Rocketech, Moneyveo, and Mauris, contributing to the development and maintenance of mobile applications that millions of users rely on daily. I enjoy collaborating with teams, reviewing code, and designing algorithms, always striving to create efficient and innovative software solutions. I am passionate about leveraging my experience in technologies like Redux, Firebase, AWS Lambda, and TypeScript to drive high-quality projects from start to finish. I also love mentoring team members and ensuring our technologies and architecture are cutting-edge, all while delivering great user experiences. I'd be excited to bring my skills and enthusiasm to new challenges in software engineering.

Denys Yeromenko

Developer, Programmer, App Developer, +2

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Hi, I'm Denys Yeromenko, a Senior Software Engineer with a strong background in React Native development. I've had the privilege of working with companies like NielsenIQ, Rocketech, Moneyveo, and Mauris, contributing to the development and maintenance of mobile applications that millions of users rely on daily. I enjoy collaborating with teams, reviewing code, and designing algorithms, always striving to create efficient and innovative software solutions. I am passionate about leveraging my experience in technologies like Redux, Firebase, AWS Lambda, and TypeScript to drive high-quality projects from start to finish. I also love mentoring team members and ensuring our technologies and architecture are cutting-edge, all while delivering great user experiences. I'd be excited to bring my skills and enthusiasm to new challenges in software engineering.…Hi, I'm Denys Yeromenko, a Senior Software Engineer with a strong background in React Native development. I've had the privilege of working with companies like NielsenIQ, Rocketech, Moneyveo, and Mauris, contributing to the development and maintenance of mobile applications that millions of users rely on daily. I enjoy collaborating with teams, reviewing code, and designing algorithms, always striving to create efficient and innovative software solutions. I am passionate about leveraging my experience in technologies like Redux, Firebase, AWS Lambda, and TypeScript to drive high-quality projects from start to finish. I also love mentoring team members and ensuring our technologies and architecture are cutting-edge, all while delivering great user experiences. I'd be excited to bring my skills and enthusiasm to new challenges in software engineering.

Available to hire

Hi, I’m Denys Yeromenko, a Senior Software Engineer with a strong background in React Native development. I’ve had the privilege of working with companies like NielsenIQ, Rocketech, Moneyveo, and Mauris, contributing to the development and maintenance of mobile applications that millions of users rely on daily. I enjoy collaborating with teams, reviewing code, and designing algorithms, always striving to create efficient and innovative software solutions.

I am passionate about leveraging my experience in technologies like Redux, Firebase, AWS Lambda, and TypeScript to drive high-quality projects from start to finish. I also love mentoring team members and ensuring our technologies and architecture are cutting-edge, all while delivering great user experiences. I’d be excited to bring my skills and enthusiasm to new challenges in software engineering.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Language

Russian

Fluent

Ukrainian

Fluent

English

Advanced

Work Experience

Senior Software Engineer at NielsenIQ

December 31, 2024 - July 14, 2025

Maintained a mobile app using React Native with millions of users that helps manage and clean mailbox subscriptions and generate aggregations. Worked on an internal company product with a full admin panel and a special HTML-like editor page. Responsibilities included maintaining the React Native mobile app in production, performing code reviews, developing Node.js back-end services, and developing internal web products. Used tools and technologies such as React-native-cli, React-native expo, Redux Toolkit, Node.js, AWS Lambda, React.js, GitHub, GitLab, Jest, and CI/CD pipelines. Managed app distribution on AppStore and GooglePlay.

React Native Developer at Rocketech

October 1, 2022 - July 14, 2025

Developed a mobile crypto exchanger app from scratch, allowing currency exchange, cash pick-up orders, and displaying related charts. Led architecture, technical design, and development of the mobile application. Communicated with stakeholders to provide the best UI/UX solutions. Utilized React-native-cli, Redux, Redux Toolkit, Firebase, SVG/Canvas, styled-components, and handled app deployment on AppStore and GooglePlay.

Native Team Lead at Rocketech

February 1, 2022 - July 14, 2025

Led development of a social media mobile app for NFT enthusiasts, enabling users to present digital art content, interact, and use full profile and content feed functionality. Responsibilities included driving architecture, technical design, development, stakeholder communication, and acting as a key coordinator between product teams and 5-6 engineers. Provided technical guidance, mentored team members, and fostered career development. Worked with React-native-cli, Redux Toolkit, Firebase, SVG/Canvas, styled-components, Animated/reanimated/Lottie, Typescript, Jest/unit testing, and Front-end CI/CD. Managed app deployment and code push.

React Native Developer at Moneyveo

June 1, 2021 - July 14, 2025

Developed a FinTech mobile app supporting KYC authorization and short-term loan applications compliant with local regulations. Worked on a monorepository architecture generating different apps sharing common functionality and design. Drove architecture, technical design, and development in collaboration with React Native and cross-functional R&D teams. Used React-native-cli, Redux Toolkit, Firebase, styled-components, Animated/reanimated/Lottie, Typescript, Jest/unit testing, Front-end CI/CD, Git, AppCenter, and Sentry.

React/React Native Developer at Mauris

September 1, 2020 - July 14, 2025

Developed various product apps including social media, subscription-related horoscope apps, meditation apps, quizzes, and story-related mobile games. Responsibilities involved driving architecture, technical design, development, and stakeholder communication. Started projects from scratch with mentoring from lead developers. Used React-native-cli, Redux, Firebase, Animated/reanimated/Lottie, JS (ES-next), GitHub, AppCenter, and Sentry.