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Hi, I'm Rostyslav Sikora, a Fullstack Software Engineer with 4 years of experience in building scalable web and mobile applications using React, Svelte, Node.js, TypeScript, and AWS. I've successfully founded and sold a video conferencing platform and love working on innovative, user-focused systems. I'm passionate about clean code, UI/UX design, and mentoring teams in Agile environments. Currently, I'm excited to drive smart locker solutions at Bloq.it, leveraging my skills in both frontend and backend development. I enjoy collaborating with diverse teams and delivering features that exceed expectations while optimizing performance and user engagement.…Hi, I'm Rostyslav Sikora, a Fullstack Software Engineer with 4 years of experience in building scalable web and mobile applications using React, Svelte, Node.js, TypeScript, and AWS. I've successfully founded and sold a video conferencing platform and love working on innovative, user-focused systems. I'm passionate about clean code, UI/UX design, and mentoring teams in Agile environments. Currently, I'm excited to drive smart locker solutions at Bloq.it, leveraging my skills in both frontend and backend development. I enjoy collaborating with diverse teams and delivering features that exceed expectations while optimizing performance and user engagement.

Rostyslav Sikora

Full Stack Developer, Developer, Web Developer, +2

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Hi, I'm Rostyslav Sikora, a Fullstack Software Engineer with 4 years of experience in building scalable web and mobile applications using React, Svelte, Node.js, TypeScript, and AWS. I've successfully founded and sold a video conferencing platform and love working on innovative, user-focused systems. I'm passionate about clean code, UI/UX design, and mentoring teams in Agile environments. Currently, I'm excited to drive smart locker solutions at Bloq.it, leveraging my skills in both frontend and backend development. I enjoy collaborating with diverse teams and delivering features that exceed expectations while optimizing performance and user engagement.…Hi, I'm Rostyslav Sikora, a Fullstack Software Engineer with 4 years of experience in building scalable web and mobile applications using React, Svelte, Node.js, TypeScript, and AWS. I've successfully founded and sold a video conferencing platform and love working on innovative, user-focused systems. I'm passionate about clean code, UI/UX design, and mentoring teams in Agile environments. Currently, I'm excited to drive smart locker solutions at Bloq.it, leveraging my skills in both frontend and backend development. I enjoy collaborating with diverse teams and delivering features that exceed expectations while optimizing performance and user engagement.

Available to hire

Hi, I’m Rostyslav Sikora, a Fullstack Software Engineer with 4 years of experience in building scalable web and mobile applications using React, Svelte, Node.js, TypeScript, and AWS. I’ve successfully founded and sold a video conferencing platform and love working on innovative, user-focused systems. I’m passionate about clean code, UI/UX design, and mentoring teams in Agile environments.

Currently, I’m excited to drive smart locker solutions at Bloq.it, leveraging my skills in both frontend and backend development. I enjoy collaborating with diverse teams and delivering features that exceed expectations while optimizing performance and user engagement.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

English

Advanced

Ukrainian

Fluent

Russian

Advanced

Portuguese

Beginner

Work Experience

Fullstack Developer & Team Lead at Prismatico

March 1, 2024 - May 31, 2025

Built scalable mobile and web applications using React Native, Supabase, and AWS, resulting in a 25% boost in user engagement. Led a team of 5 developers working in Agile sprints, delivering features 10% ahead of schedule. Optimized RESTful APIs to handle over 10,000 daily transactions with 99.9% uptime. Designed responsive user interfaces with Figma and Vite that reduced load times by 20%. Implemented AWS CloudWatch monitoring, cutting error resolution times by 15%.

Founder & Fullstack Developer at Discuzz Network

August 1, 2023 - March 31, 2024

Founded and sold a video conferencing platform utilizing React, Node.js, and AWS. Developed an MVP for over 500 testers, improving user experience by 30% through Clerk and Stream integration. Mentored 7 developers practicing Scrum, completing the MVP two weeks earlier than planned. Deployed continuous integration and deployment pipelines on AWS to enable seamless updates for 50+ releases. Secured €50,000 funding by integrating BNB Smart Chain with Solidity.

Frontend Developer | UI/UX Designer at 4 Pillars Crypto App

April 1, 2023 - September 30, 2023

Developed the frontend with React, handling over 1,000 daily transactions. Designed UI/UX in Figma, increasing user retention by 15%. Optimized user onboarding flows, reducing the time by 10 minutes. Integrated blockchain features for secure data handling.

Frontend/Web Developer at Websis & Freelance

March 1, 2021 - May 31, 2023

Built 15+ responsive websites using React, Node.js, and MySQL, achieving 100% client satisfaction. Optimized code to improve load times by 15%. Designed user interfaces in Figma. Integrated backend APIs to streamline data workflows by 20%. Tested features in Agile environments, reducing bugs by 10%.

Fullstack Developer & Team Lead at Prismatico

March 1, 2024 - May 31, 2025

Built scalable mobile/web apps with React Native, Supabase, and AWS, boosting engagement by 25%. Led 5 developers in Agile sprints, delivering features 10% ahead of schedule. Optimized RESTful APIs, handling 10,000+ daily transactions with 99.9% uptime. Designed responsive UI in Figma/Vite, reducing load times by 20%. Implemented AWS CloudWatch for monitoring, cutting error resolution time by 15%.

Founder & Fullstack Developer at Discuzz Network

August 1, 2023 - March 1, 2024

Founded and sold a video conferencing platform using React, Node.js, and AWS. Built MVP for 500+ testers, integrating Clerk/Stream for 30% better UX. Mentored 7 developers in Scrum, completing MVP 2 weeks early. Deployed CI/CD pipelines on AWS, enabling 50+ seamless updates. Secured €50,000 via BNB Smart Chain integration (Solidity).

Frontend Developer | UI/UX Designer at 4 Pillars Crypto App

April 1, 2023 - September 30, 2023

Built React frontend with APIs, processing 1,000+ daily transactions. Designed UI/UX in Figma, increasing retention by 15%. Optimized user flows, cutting onboarding time by 10 minutes. Integrated blockchain features, ensuring secure data handling.

Frontend/Web Developer at Websis & Freelance

March 1, 2021 - May 31, 2023

Built 15+ responsive websites with React, Node.js, MySQL, achieving 100% client satisfaction. Optimized code for 15% faster load times; designed UI in Figma. Integrated backend APIs, streamlining data workflows by 20%. Tested features in Agile, reducing bugs by 10%.