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Sebastian S. Web3, Modern Frameworks and API Development

My name is Sebastian S. and I have over 4 years of experience in the tech industry. I specialize in the following technologies: Smart Contract, Web Development, Solidity, JavaScript, ExpressJS, etc.. I hold a degree in , , Bachelor of Arts (BA). Some of the notable projects I've worked on include: Authcate - NFT certificates minting portal, Vaultoro - Crypto Exchange, Charoo - Create Sports Challenges. I am based in Berlin, Germany. I've successfully completed 3 projects while developing at Softaims.

I approach every technical challenge with a mindset geared toward engineering excellence and robust solution architecture. I thrive on translating complex business requirements into elegant, efficient, and maintainable outputs. My expertise lies in diagnosing and optimizing system performance, ensuring that the deliverables are fast, reliable, and future-proof.

The core of my work involves adopting best practices and a disciplined methodology, focusing on meticulous planning and thorough verification. I believe that sustainable solution development requires discipline and a deep commitment to quality from inception to deployment. At Softaims, I leverage these skills daily to build resilient systems that stand the test of time.

I am dedicated to making a tangible difference in client success. I prioritize clear communication and transparency throughout the development lifecycle to ensure every deliverable exceeds expectations.

Main technologies

  • Web3, Modern Frameworks and API Development

    4 years

  • Smart Contract

    3 Years

  • Web Development

    1 Year

  • Solidity

    2 Years

Additional skills

Direct hire

Potentially possible

Previous Company

Full-stack Web Developer | Freelance

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Experience Highlights

Authcate - NFT certificates minting portal

I successfully built a NFT certificate minting website where users register to mint NFT certificates for valuable goods. Special here, is that the admin can pre-mint NFTs, using MetaMask, which are th

Vaultoro - Crypto Exchange

Fixed an issue in a smart contract.

Charoo - Create Sports Challenges

With the Charoo! App, one can announce a sports challenge where the goal is to collect money from friends to donate to charity. - Creation of user account, challenges and donations - Connected Payme

Education

  • Freie Universität Berlin

    in Javascript, Solidity, React, MongoDb, Express, Node.js, Next.js

    2006-01-01-2010-01-01

  • Freelance Full Stack Dev

    in

    2016-01-01-2019-01-01

  • SAE - School of Audio Engineering

    Bachelor of Arts (BA) in Engineering

    2001-01-01-2003-01-01

Languages

  • German (Native or Bilingual)
  • English (Native or Bilingual)
  • Spanish (Conversational)