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Frontend & Mobile Developer | React Native Specialist | Product-Focused Technologist I’m a Frontend & Mobile Developer with over 5 years of experience building high-performance applications using React Native, React, and TypeScript. I specialize in creating scalable, modular UI and intuitive user experiences for mobile and web platforms. Previously a co-founder of an e-commerce startup, I bring a strong understanding of both code and business—working closely with design, product, and marketing to deliver impactful features that solve real user problems. 🔧 Core skills: • React Native (Expo & custom native modules) • React, Next.js, TypeScript • Firebase ecosystem, Stripe, and third-party API integrations • UX optimization through data (GA4, Firebase, Looker) • CI/CD, performance monitoring (Sentry, OpenTelemetry) • Agile teamwork in startup and cross-functional environments I care deeply about code quality, component reusability, and aligning development with user needs. I thrive in fast-paced, product-driven teams where developers own what they build—from idea to production. Let’s build something that matters.…Frontend & Mobile Developer | React Native Specialist | Product-Focused Technologist I’m a Frontend & Mobile Developer with over 5 years of experience building high-performance applications using React Native, React, and TypeScript. I specialize in creating scalable, modular UI and intuitive user experiences for mobile and web platforms. Previously a co-founder of an e-commerce startup, I bring a strong understanding of both code and business—working closely with design, product, and marketing to deliver impactful features that solve real user problems. 🔧 Core skills: • React Native (Expo & custom native modules) • React, Next.js, TypeScript • Firebase ecosystem, Stripe, and third-party API integrations • UX optimization through data (GA4, Firebase, Looker) • CI/CD, performance monitoring (Sentry, OpenTelemetry) • Agile teamwork in startup and cross-functional environments I care deeply about code quality, component reusability, and aligning development with user needs. I thrive in fast-paced, product-driven teams where developers own what they build—from idea to production. Let’s build something that matters.

Valeria Atiushheva

Front-End Developer, Web Developer, App Developer, +2

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Frontend & Mobile Developer | React Native Specialist | Product-Focused Technologist I’m a Frontend & Mobile Developer with over 5 years of experience building high-performance applications using React Native, React, and TypeScript. I specialize in creating scalable, modular UI and intuitive user experiences for mobile and web platforms. Previously a co-founder of an e-commerce startup, I bring a strong understanding of both code and business—working closely with design, product, and marketing to deliver impactful features that solve real user problems. 🔧 Core skills: • React Native (Expo & custom native modules) • React, Next.js, TypeScript • Firebase ecosystem, Stripe, and third-party API integrations • UX optimization through data (GA4, Firebase, Looker) • CI/CD, performance monitoring (Sentry, OpenTelemetry) • Agile teamwork in startup and cross-functional environments I care deeply about code quality, component reusability, and aligning development with user needs. I thrive in fast-paced, product-driven teams where developers own what they build—from idea to production. Let’s build something that matters.…Frontend & Mobile Developer | React Native Specialist | Product-Focused Technologist I’m a Frontend & Mobile Developer with over 5 years of experience building high-performance applications using React Native, React, and TypeScript. I specialize in creating scalable, modular UI and intuitive user experiences for mobile and web platforms. Previously a co-founder of an e-commerce startup, I bring a strong understanding of both code and business—working closely with design, product, and marketing to deliver impactful features that solve real user problems. 🔧 Core skills: • React Native (Expo & custom native modules) • React, Next.js, TypeScript • Firebase ecosystem, Stripe, and third-party API integrations • UX optimization through data (GA4, Firebase, Looker) • CI/CD, performance monitoring (Sentry, OpenTelemetry) • Agile teamwork in startup and cross-functional environments I care deeply about code quality, component reusability, and aligning development with user needs. I thrive in fast-paced, product-driven teams where developers own what they build—from idea to production. Let’s build something that matters.

Available to hire

Paris, France

Frontend & Mobile Developer | React Native Specialist | Product-Focused Technologist

I’m a Frontend & Mobile Developer with over 5 years of experience building high-performance applications using React Native, React, and TypeScript. I specialize in creating scalable, modular UI and intuitive user experiences for mobile and web platforms.

Previously a co-founder of an e-commerce startup, I bring a strong understanding of both code and business—working closely with design, product, and marketing to deliver impactful features that solve real user problems.

🔧 Core skills:
• React Native (Expo & custom native modules)
• React, Next.js, TypeScript
• Firebase ecosystem, Stripe, and third-party API integrations
• UX optimization through data (GA4, Firebase, Looker)
• CI/CD, performance monitoring (Sentry, OpenTelemetry)
• Agile teamwork in startup and cross-functional environments

I care deeply about code quality, component reusability, and aligning development with user needs. I thrive in fast-paced, product-driven teams where developers own what they build—from idea to production.

Let’s build something that matters.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

French

Fluent

English

Advanced

Russian

Intermediate

Work Experience

Developer Front-End/Mobile at SAS Buseedo

January 1, 2019 - Present

Development of the Android mobile application in React Native: creation of the public interface, home page, social login/registration, subscription management, and a sweepstakes participation system. Implemented Firebase ecosystem (secure authentication, Firestore, custom events, Crashlytics). Built and maintained the admin area (back-office) in React, TypeScript, and Next.js with Sass and Tailwind CSS, including Stripe integration for finalizing purchases via personalized links. Integrated Telegram Bot API, Geocoding API, Cookies API for GDPR, and monitoring via OpenTelemetry and Sentry. Collaborated with the tech lead, backend developer, and external freelancers; involved in UI design validation. The app serves 30,000+ monthly active users with scalable architecture for high-traffic events; contributed to functional testing, bug fixes, and accessibility/mobile performance improvements. Regular interface redesigns guided by Google Analytics data to improve conversion and user flow.

Developer Front-End at Build.io

May 1, 2025 - September 22, 2025

Front-end integration of an 'alternative App Store' site for subscribed users using React, Next.js, Redux, TypeScript, and Sass. Collaborated with the product team to improve UX after poor performance of the initial version. Participated in UI redesign in Figma, acceptance testing, and functional/corrective testing with two back-end developers and DevOps.

Data Analyst & Front-End Developer at Multikey web-design studio

January 1, 2018 - September 22, 2025

Developed showcase sites, landing pages, and e-commerce projects with React.js, HTML/CSS. Worked directly with clients for design, technical documentation, and project monitoring. Implemented Google Analytics, SEO optimization (tags, sitemap, robots.txt), domain selection, and site deployment. Projects created from scratch or via templates according to client needs.