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I have 7 years of commercial experience gained during participation in projects in the field of design, creating and implementing web applications. I specialize in building scalable and efficient solutions using React and Next.js. Chess has been a passion since I was eight and I became a vice-champion of Poland. Chess has played a significant role in shaping who I am today – it taught me perseverance and strategic thinking.…I have 7 years of commercial experience gained during participation in projects in the field of design, creating and implementing web applications. I specialize in building scalable and efficient solutions using React and Next.js. Chess has been a passion since I was eight and I became a vice-champion of Poland. Chess has played a significant role in shaping who I am today – it taught me perseverance and strategic thinking.

Krystian Kalwik

Web Developer, Programmer, Front-End Developer, +4

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I have 7 years of commercial experience gained during participation in projects in the field of design, creating and implementing web applications. I specialize in building scalable and efficient solutions using React and Next.js. Chess has been a passion since I was eight and I became a vice-champion of Poland. Chess has played a significant role in shaping who I am today – it taught me perseverance and strategic thinking.…I have 7 years of commercial experience gained during participation in projects in the field of design, creating and implementing web applications. I specialize in building scalable and efficient solutions using React and Next.js. Chess has been a passion since I was eight and I became a vice-champion of Poland. Chess has played a significant role in shaping who I am today – it taught me perseverance and strategic thinking.

Available to hire

I have 7 years of commercial experience gained during participation in projects in the field of design, creating and implementing web applications. I specialize in building scalable and efficient solutions using React and Next.js.

Chess has been a passion since I was eight and I became a vice-champion of Poland. Chess has played a significant role in shaping who I am today – it taught me perseverance and strategic thinking.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Language

Polish

Fluent

English

Fluent

Work Experience

Frontend Developer at PwC

June 1, 2025 - October 15, 2025

Developed large applications focusing on high-quality code and efficient performance. Drove Micro Front-End initiatives, modularizing the application into smaller, independent microservices to improve maintainability and team efficiency. Created tests for individual components and functions to ensure their correctness.

Frontend Developer at Inventively

June 1, 2025 - Present

Led the project from start to finish, taking full responsibility for its architecture, design and implementation. Collaborated with international clients, gathering requirements, providing demos, discussing requirements and ensuring the project aligned with client expectations.

Frontend Developer at PwC

June 1, 2025 - August 21, 2025

Frontend Developer at Inventively

June 1, 2025 - Present

Frontend Developer at Tech Bees

December 1, 2021 - October 15, 2025

Optimized and developed scalable, responsive UI solutions, ensuring high performance, seamless integration with existing infrastructure and adaptability to future growth and changing business needs.

Frontend Developer at Techbees

December 1, 2021 - August 21, 2025

Optimized and developed scalable, responsive user interface solutions, ensuring high performance, seamless integration with existing infrastructure and adaptability to future growth and changing business needs.

Frontend Developer at Idea

November 1, 2020 - October 15, 2025

Fostered effective communication and collaboration within the team, coordinating tasks across multiple domains to ensure smooth project execution and alignment with business goals.

Frontend Developer at Ideo

November 1, 2020 - August 21, 2025

Fostered effective communication and collaboration within the team, coordinating tasks across multiple domains to ensure smooth project execution and alignment with business goals.