Senior Full Stack Developer with over 6 years of experience building complex and highly-scalable applications on the Web and Mobile
Aktualisiert am 28.01.2026
Profil
Freiberufler / Selbstständiger
Verfügbar ab: 28.01.2026
Verfügbar zu: 100%
davon vor Ort: 100%
React
Next.js
Python
Node.js
Blockchain

Einsatzorte

Einsatzorte

Schweiz
nicht möglich

Projekte

Projekte

1 year 8 months
2024-01 - 2025-08

Architected and containerized FastAPI backend and Next.js frontend

Full-Stack Developer React SQL Next.js ...
Full-Stack Developer
  • Engineered and launched a full-stack sports betting and casino platform, integrating a secure crypto payment gateway using NOWPayments, processing over 15,000 transactions.
  • Architected and containerized FastAPI backend and Next.js frontend using Docker, deploying to a scalable DigitalOcean infrastructure, improving deployment consistency.
  • Designed and implemented a comprehensive CI/CD pipeline with isolated environments (dev, test, prod), reducing release cycles by 66% and enabling automated deployments.
  • Led planning and architectural design for new application features, including real-time odds updates and user wallet management.
React SQL Next.js Graphql Tailwind CSS Web3 SportsBook
BCB | Blockchain Bets
1 year 6 months
2022-06 - 2023-11

Developed a data visualization React application

Full-Stack Developer React SQL D3 ...
Full-Stack Developer
  • Developed a data visualization React application that generated interactive relationship graphs from MySQL analytics, providing insights into user network patterns.
  • Built a custom, reusable charting framework with D3.js to dynamically create node-based graphs, reducing future chart implementation time by an estimated 40%.
  • Integrated Gmail and Outlook APIs for automated data aggregation and hosted the platform on Google Compute Engine, ensuring high availability.
React SQL D3 ChatGPT AI Next.js Graphql Tailwind CSS
Tapmax
6 months
2022-02 - 2022-07

Developed and audited smart contracts

Full-Stack Blockchain Engineer Next.js MongoDB AWS S3 ...
Full-Stack Blockchain Engineer
  • Developed and audited smart contracts for NFT minting, staking, and upgradable proxy systems on Ethereum, successfully passing a third-party security audit by Halborn.
  • Built a Next.js-based NFT marketplace frontend, integrating with deployed contracts for seamless user interaction with NFT and physical item sales.
  • Managed full-stack integration using MongoDB and AWS S3 for metadata and asset storage.
Next.js MongoDB AWS S3 Solidity Hardhat Web3 Ethers CI/CD
NEX10 LABS
1 year
2021-01 - 2021-12

Implemented user authentication

Blockchain Developer React Typescript Gatsby ...
Blockchain Developer
  • Core contributor to a DeFi protocol, developing smart contracts for governance (DON token), staking, and cross-chain bridge functionality.
  • Implemented user authentication via wallet signature (Web3) and styled responsive front-end components with Styled-Components.
  • Developed and optimized GraphQL endpoints to efficiently serve community and protocol data, improving data fetching performance.
React Typescript Gatsby Node GraphQL Web3 Solidity Hardhat DynamoDB
Don-key Finance
1 year
2020-03 - 2021-02

Klassroom

Front-End Developer React Typescript MUI ...
Front-End Developer
  • Built and optimized responsive UI components in React and React Native for a children's education app, contributing to its feature in the "Trending" category on iOS/Android app stores.
  • Fixed critical mobile-responsive bugs and customized third-party JavaScript libraries (e.g., Simple-Calendar) to meet specific product requirements.
React Typescript MUI Node.js Express Postgresql React-Native
1 year 3 months
2018-10 - 2019-12

Develop blockchain

Junior Full Stack Developer Javascript Typescript PHP ...
Junior Full Stack Developer
  • Helped develop blockchain, from creating trade bots to performing full-stack development on a content management system using HTML, CSS, JavaScript, and Node.js with Ubuntu Server.
  • Integrated features like analytics of crypto trends and features for depositing, withdrawing, and transferring cryptocurrency.
  • Created DevOps scripts to automate setting up the MySQL database and Nginx configurations.
Javascript Typescript PHP Laravel Python SQL SASS
Markdale Financial Management

Aus- und Weiterbildung

Aus- und Weiterbildung

2014 - 2018

IT University of Copenhagen

Bachelor's Degree in Computer Science

Kompetenzen

Kompetenzen

Top-Skills

React Next.js Python Node.js Blockchain

Produkte / Standards / Erfahrungen / Methoden

ABOUT ME

He is a senior developer with over 6 years of experience building complex and highly-scalable applications on the web & blockchain. Proven ability to lead development from concept through CI/CD pipeline to production, specializing in modern React/Next .js ecosystems and Web3 integration. Combines deep technical knowledge with a strategic approach to reduce release timelines and enhance platform performance.


SKILLS

  • Frontend: JavaScript, TypeScript, React, Next.js, Vue/Nuxt, React Native, Gatsby, Svelte, Three.js, D3.js, Tailwind CSS, Material-UI, Ant Design, Bootstrap
  • Backend: Node.js, Express, FastAPI, Python/Django, PHP/Laravel, NestJS, Strapi, REST APIs, GraphQL
  • Blockchain: Solidity, Smart Contracts, Hardhat, Truffle, Web3.js, Ethers.js, Ethereum, BSC, Polygon, Solana, DeFi, NFT
  • Cloud & DevOps: AWS, GCP, Docker, CI/CD, DigitalOcean, Git, Nginx

Datenbanken

PostgreSQL
MySQL
MongoDB
DynamoDB

Einsatzorte

Einsatzorte

Schweiz
nicht möglich

Projekte

Projekte

1 year 8 months
2024-01 - 2025-08

Architected and containerized FastAPI backend and Next.js frontend

Full-Stack Developer React SQL Next.js ...
Full-Stack Developer
  • Engineered and launched a full-stack sports betting and casino platform, integrating a secure crypto payment gateway using NOWPayments, processing over 15,000 transactions.
  • Architected and containerized FastAPI backend and Next.js frontend using Docker, deploying to a scalable DigitalOcean infrastructure, improving deployment consistency.
  • Designed and implemented a comprehensive CI/CD pipeline with isolated environments (dev, test, prod), reducing release cycles by 66% and enabling automated deployments.
  • Led planning and architectural design for new application features, including real-time odds updates and user wallet management.
React SQL Next.js Graphql Tailwind CSS Web3 SportsBook
BCB | Blockchain Bets
1 year 6 months
2022-06 - 2023-11

Developed a data visualization React application

Full-Stack Developer React SQL D3 ...
Full-Stack Developer
  • Developed a data visualization React application that generated interactive relationship graphs from MySQL analytics, providing insights into user network patterns.
  • Built a custom, reusable charting framework with D3.js to dynamically create node-based graphs, reducing future chart implementation time by an estimated 40%.
  • Integrated Gmail and Outlook APIs for automated data aggregation and hosted the platform on Google Compute Engine, ensuring high availability.
React SQL D3 ChatGPT AI Next.js Graphql Tailwind CSS
Tapmax
6 months
2022-02 - 2022-07

Developed and audited smart contracts

Full-Stack Blockchain Engineer Next.js MongoDB AWS S3 ...
Full-Stack Blockchain Engineer
  • Developed and audited smart contracts for NFT minting, staking, and upgradable proxy systems on Ethereum, successfully passing a third-party security audit by Halborn.
  • Built a Next.js-based NFT marketplace frontend, integrating with deployed contracts for seamless user interaction with NFT and physical item sales.
  • Managed full-stack integration using MongoDB and AWS S3 for metadata and asset storage.
Next.js MongoDB AWS S3 Solidity Hardhat Web3 Ethers CI/CD
NEX10 LABS
1 year
2021-01 - 2021-12

Implemented user authentication

Blockchain Developer React Typescript Gatsby ...
Blockchain Developer
  • Core contributor to a DeFi protocol, developing smart contracts for governance (DON token), staking, and cross-chain bridge functionality.
  • Implemented user authentication via wallet signature (Web3) and styled responsive front-end components with Styled-Components.
  • Developed and optimized GraphQL endpoints to efficiently serve community and protocol data, improving data fetching performance.
React Typescript Gatsby Node GraphQL Web3 Solidity Hardhat DynamoDB
Don-key Finance
1 year
2020-03 - 2021-02

Klassroom

Front-End Developer React Typescript MUI ...
Front-End Developer
  • Built and optimized responsive UI components in React and React Native for a children's education app, contributing to its feature in the "Trending" category on iOS/Android app stores.
  • Fixed critical mobile-responsive bugs and customized third-party JavaScript libraries (e.g., Simple-Calendar) to meet specific product requirements.
React Typescript MUI Node.js Express Postgresql React-Native
1 year 3 months
2018-10 - 2019-12

Develop blockchain

Junior Full Stack Developer Javascript Typescript PHP ...
Junior Full Stack Developer
  • Helped develop blockchain, from creating trade bots to performing full-stack development on a content management system using HTML, CSS, JavaScript, and Node.js with Ubuntu Server.
  • Integrated features like analytics of crypto trends and features for depositing, withdrawing, and transferring cryptocurrency.
  • Created DevOps scripts to automate setting up the MySQL database and Nginx configurations.
Javascript Typescript PHP Laravel Python SQL SASS
Markdale Financial Management

Aus- und Weiterbildung

Aus- und Weiterbildung

2014 - 2018

IT University of Copenhagen

Bachelor's Degree in Computer Science

Kompetenzen

Kompetenzen

Top-Skills

React Next.js Python Node.js Blockchain

Produkte / Standards / Erfahrungen / Methoden

ABOUT ME

He is a senior developer with over 6 years of experience building complex and highly-scalable applications on the web & blockchain. Proven ability to lead development from concept through CI/CD pipeline to production, specializing in modern React/Next .js ecosystems and Web3 integration. Combines deep technical knowledge with a strategic approach to reduce release timelines and enhance platform performance.


SKILLS

  • Frontend: JavaScript, TypeScript, React, Next.js, Vue/Nuxt, React Native, Gatsby, Svelte, Three.js, D3.js, Tailwind CSS, Material-UI, Ant Design, Bootstrap
  • Backend: Node.js, Express, FastAPI, Python/Django, PHP/Laravel, NestJS, Strapi, REST APIs, GraphQL
  • Blockchain: Solidity, Smart Contracts, Hardhat, Truffle, Web3.js, Ethers.js, Ethereum, BSC, Polygon, Solana, DeFi, NFT
  • Cloud & DevOps: AWS, GCP, Docker, CI/CD, DigitalOcean, Git, Nginx

Datenbanken

PostgreSQL
MySQL
MongoDB
DynamoDB

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