Kateryna Krasnova

I’m a 𝗥𝗲𝗮𝗰𝘁, 𝗥𝗲𝗮𝗰𝘁 𝗡𝗮𝘁𝗶𝘃𝗲 & 𝗡𝗼𝗱𝗲.𝗷𝘀 𝗳𝘂𝗹𝗹-𝘀𝘁𝗮𝗰𝗸 𝗱𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿 with 𝟰 𝘆𝗲𝗮𝗿𝘀 𝗼𝗳 𝗵𝗮𝗻𝗱𝘀-𝗼𝗻 𝗲𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲 building scalable, production-ready web and mobile applications. I help startups and businesses bring their ideas to life—with clean code, thoughtful architecture, and a focus on long-term success.

𝗛𝗼𝘄 𝗜 𝘂𝘀𝗲 𝗺𝘆 𝗲𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲 𝘁𝗼 𝗱𝗿𝗶𝘃𝗲 𝘆𝗼𝘂𝗿 𝘀𝘂𝗰𝗰𝗲𝘀𝘀:

🔹 𝗘𝗻𝗱-𝘁𝗼-𝗘𝗻𝗱 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 - From MVPs to enterprise-grade solutions, I deliver complete products using proven processes that reduce time-to-market while ensuring long-term stability.

🔹 𝗠𝗼𝗱𝗲𝗿𝗻 𝗪𝗲𝗯 𝗔𝗽𝗽𝗹𝗶𝗰𝗮𝘁𝗶𝗼𝗻𝘀 - I build high-performance, user-focused React and Next.js applications that improve engagement, reduce latency, and increase conversions.

🔹 𝗠𝗼𝗯𝗶𝗹𝗲 𝗔𝗽𝗽 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 - With React Native and Expo, I deliver cross-platform mobile apps quickly and cost-effectively, reaching a wider audience.

🔹 𝗦𝗲𝗿𝘃𝗲𝗿 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 - I design robust backend systems with Node.js and NestJS, ensuring your applications handle high loads and provide uninterrupted service.

🔹 𝗔𝗣𝗜 𝗗𝗲𝘀𝗶𝗴𝗻 & 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻 - I create efficient, secure REST and GraphQL APIs that simplify external integrations and accelerate new feature delivery.

🔹 𝗦𝗲𝗰𝘂𝗿𝗶𝘁𝘆 𝗕𝗲𝘀𝘁 𝗣𝗿𝗮𝗰𝘁𝗶𝗰𝗲𝘀 - I implement industry-standard security measures to protect user data, reduce risk, and build trust in your product.

🔹 𝗗𝗮𝘁𝗮𝗯𝗮𝘀𝗲 𝗔𝗿𝗰𝗵𝗶𝘁𝗲𝗰𝘁𝘂𝗿𝗲 - I optimize schemas and queries in PostgreSQL and MongoDB to boost performance, scalability, and data reliability.

🔹 𝗔𝗜 & 𝗔𝘂𝘁𝗼𝗺𝗮𝘁𝗶𝗼𝗻 - I integrate GPT and other AI tools to automate tasks and deliver intelligent features that add value for your users.

🔹 𝗤𝘂𝗮𝗹𝗶𝘁𝘆 𝗔𝘀𝘀𝘂𝗿𝗮𝗻𝗰𝗲 - I use Jest and Cypress to ensure high code quality through automated testing, minimizing bugs, and protecting your business.