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I'm Twan Box, a full-stack web developer with nearly five years of experience in mobile and web application development. I focus on understanding user needs and turning those insights into practical, scalable software solutions. I thrive on collaborating with product teams, designing clean architectures, and delivering high-quality, maintainable code. My toolkit includes Next.js, TypeScript, Node.js, PostgreSQL, React Native, VueJS, Redux, MobX, and Jest, and I enjoy turning complex problems into elegant solutions.…I'm Twan Box, a full-stack web developer with nearly five years of experience in mobile and web application development. I focus on understanding user needs and turning those insights into practical, scalable software solutions. I thrive on collaborating with product teams, designing clean architectures, and delivering high-quality, maintainable code. My toolkit includes Next.js, TypeScript, Node.js, PostgreSQL, React Native, VueJS, Redux, MobX, and Jest, and I enjoy turning complex problems into elegant solutions.

Twan Box

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

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I'm Twan Box, a full-stack web developer with nearly five years of experience in mobile and web application development. I focus on understanding user needs and turning those insights into practical, scalable software solutions. I thrive on collaborating with product teams, designing clean architectures, and delivering high-quality, maintainable code. My toolkit includes Next.js, TypeScript, Node.js, PostgreSQL, React Native, VueJS, Redux, MobX, and Jest, and I enjoy turning complex problems into elegant solutions.…I'm Twan Box, a full-stack web developer with nearly five years of experience in mobile and web application development. I focus on understanding user needs and turning those insights into practical, scalable software solutions. I thrive on collaborating with product teams, designing clean architectures, and delivering high-quality, maintainable code. My toolkit includes Next.js, TypeScript, Node.js, PostgreSQL, React Native, VueJS, Redux, MobX, and Jest, and I enjoy turning complex problems into elegant solutions.

Available to hire

I’m Twan Box, a full-stack web developer with nearly five years of experience in mobile and web application development. I focus on understanding user needs and turning those insights into practical, scalable software solutions.

I thrive on collaborating with product teams, designing clean architectures, and delivering high-quality, maintainable code. My toolkit includes Next.js, TypeScript, Node.js, PostgreSQL, React Native, VueJS, Redux, MobX, and Jest, and I enjoy turning complex problems into elegant solutions.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Language

Dutch

Fluent

English

Fluent

Swedish

Intermediate

French

Intermediate

Work Experience

Full-stack Developer / co-founder at TeleCalendar

November 1, 2024 - Present

Co-founded and built a full-stack scheduling platform for lead-generation businesses. Responsibilities included designing and implementing a scalable Next.js/TypeScript frontend, a Node.js backend, and a PostgreSQL data model to provide a fully customizable scheduling experience for third-party users.

Full Stack Developer at Improvers

October 1, 2024 - September 9, 2025

Freelance full-stack development work for Improvers.

Front-End Developer at Reshift Digital, Haarlem

February 1, 2024 - September 9, 2025

Migrated existing Next.js applications to a Monorepo architecture; set up a component library based on the new design system; collaborated with the design team to begin a content-based mobile application for an existing user community.

React Native Developer at FieldBuddy, Amsterdam

October 1, 2023 - September 9, 2025

Cross-platform mobile development with React Native, TypeScript, MobX, and Redux. Introduced over-the-air releases, doubling release frequency. Led the design and development of an internal JSON-based UI configuration tool enabling consultants to configure the app and freeing up developers’ time. Worked with Salesforce back-end (SQL Oracle DB).