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David WittenDW

David Witten

Full Stack Developer TS - Reactjs, Nextjs & Nestjs

€650/day
Göttingen, DE
3-7 years

Average response time: 1 hour

About David

Portfolio Website: Cypherweb.dev

I am David Witten, a passionate software developer based in the heart of Germany.

Since discovering my interest in software development in early 2017 through Bitcoin, I have continuously expanded my skills in web development, specializing in modern technologies like React.js and Next.js. From 2018 to 2022, alongside my studies in physical technologies (B.Eng.), I built various web applications and websites for friends and family to hone my skills. In 2020, I launched a SaaS service, offering a unique cryptographic solution for Bitcoin wallets.

In 2022, I joined SVA System Vertrieb Alexander, a leading German IT system integrator, as a Blockchain Consultant and Web Developer. There, I worked on Self-Sovereign Identity (SSI) solutions and developed several blockchain applications with advanced authentication and identity management methods.

My passion for learning new technologies and working on exciting projects drives me to continuously improve my expertise. I possess strong communication and problem-solving skills, excellent time management, and a solid understanding of English. Moreover, I’m a good listener and a reliable team player.

In August 2024, I made the leap into freelancing as a full-time web developer.

If you're looking for an experienced developer who can deliver innovative solutions and help your business thrive digitally, I’d be thrilled to connect and collaborate on future success.

  • German

    Native or bilingual

  • English

    Conversational

Can work on-site
Göttingen (up to 50km)

Experience

  • Cypherweb Development
    Freelancer - Fullstack Web Developer
    August 2024 - Today (1 year and 10 months)
    CypherWeb.dev Freelance Full Stack Development - TypeScript mit Nextjs, Reactjs, Nestjs. Blockchain Developer & Consultant.
  • SVA System Vertrieb Alexander GmbH
    Blockchain Consultant
    DIGITAL AND IT
    September 2022 - July 2024 (1 year and 11 months)
    Göttingen, NI, Germany
    Als Blockchain Consultant & Webdeveloper entwickelte ich eigenständig und im Team Webanwendungen für den Öffentlichen Dienst.
  • Bitcoin-uni.de - Web Development, Education, Consulting
    Founder
    DIGITAL AND IT
    January 2019 - September 2022 (3 years and 8 months)
    Die Bitcoin Uni bietet für Privatpersonen und Unternehmen Beratungen über Bitcoin an. Ein weiteres Produkt ist ein Vertrauen loser Adressen Dienst für Bitcoin, sowie einen Zahlungsprozessor, an den Sie Ihren Onlineshop anbinden können. Des weiteren habe ich Websites für freunde und bekannte entwickelt.

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Education

  • Physikalische Technologien B.Eng.
    HAWK
    2020

Certifications

  • DevOps Foundation
    DevOps Institute
    DevOps
  • Design Thinking
    Maxpert
    Design Thinking

Skill set

Categories