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I am a Mobile / Full-Stack Developer specializing in React Native and production-ready applications. I am currently building a full-cycle mobile marketplace platform (Nannow) including mobile app, backend services, payments, and cloud integrations. I have experience delivering features end-to-end — from UI and state management to API design, Stripe integration, and production debugging.…

Andrii Lazarev

Full Stack Developer, Web Developer, Back-End Developer, +2

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I am a Mobile / Full-Stack Developer specializing in React Native and production-ready applications. I am currently building a full-cycle mobile marketplace platform (Nannow) including mobile app, backend services, payments, and cloud integrations. I have experience delivering features end-to-end — from UI and state management to API design, Stripe integration, and production debugging.…

Available to hire

Vilnius, Lithuania

I am a Mobile / Full-Stack Developer specializing in React Native and production-ready applications.

I am currently building a full-cycle mobile marketplace platform (Nannow) including mobile app, backend services, payments, and cloud integrations. I have experience delivering features end-to-end — from UI and state management to API design, Stripe integration, and production debugging.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Work Experience

Full-Stack Developer at Nannow.app

February 1, 2025 - Present

Building cross-platform mobile app using React Native (Expo) & TypeScript. Developing backend services with Node.js, Express & MongoDB (Mongoose). Implementing authentication, user roles, bookings, reviews & marketplace flows. Integrating Stripe payments (payment intents, refunds, provider payout logic). Working with AWS S3 for secure media storage. Implementing maps & geolocation using Mapbox. Designing scalable REST APIs. Debugging production issues and refactoring for performance.

Manager at Internet Shop

August 1, 2021 - February 1, 2023

Managed online shop admin system, handled sales operations, bank payments and financial control.

Sales & Market Specialist at Winia

January 1, 2017 - November 1, 2022

Market analysis, sales planning, budget control, cash-flow and SAP reporting.