16+ Web3 JavaScript Developers for Hire in Madrid. Hourly rates ranging from $9 to $180/hr. Browse and contact them below.

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Showing 16 profiles out of 16. Page 1 of 1.

Blockchain Engineer
AvailableActive 13 hours agoMadrid
JavaScript Solidity ReactJS Python Design
My introduction to the Blockchain world was a little like a movie. During my time in the US, a professor invited me to a conference where he was speaker as an award for a good project in his course. I didn't know what the conference was about, but I end up knowing it was the international blockchain
Sr Software Engineer | Python - Web 3.0
AvailableActive over a week agoMadrid, Spain
JavaScript Solidity Python DjangoFlask
I have over 13 years of experience, which includes knowledge of software development (a lot of Python), management, Linux server administration, information systems integration, programming, deployment, application and server maintenance. My goal is to always seek to learn something new and follow b
Blockchain Developer
AvailableActive over a week agoMadrid, Spain
solidityDappsDefiSwapTokenNew Chain
Full Stack Blockchain Engineer As a senior Blockchain(8 years) & Web/Mobile(3 years) developer with over years of experience, I am specialized in custom cryptocurrency and blockchain development. --- Blockchain Development ✔ DEX and Centralized Crypto Exchange ✔ Advanced Trading Platform (Stocks /
Senior JavaScript Engineer
AvailableActive over a week agoMadrid
Node.js TypeScript MongoDb Docker Solidity Vue.jsJest
15 years experience. Full Stack | Top 2% | Node.js | MongoDB | OpenAPI | JavaScript | TypeScript | Docker | Bash | Gitlab | Vue.js 🚀 Open to DeFi, Web3, Blockchain, Crypto, ZK, Freelancing, Contracts & Startups. More on: - [StackOverflow](https://stackoverflow.com/users/448568/------de------) - [Me
Freelance Web3 developer
AvailableActive over a week agoMadrid, Spain
Javascript Solidity Python React ethers.js
I am an economist and data scientist turned web3 developer. I specialize in NFTs with Solidity and developing front ends with React. I have been working for some years on the business side of companies, which makes me very user-oriented.
Sr. Software Engineer (TypeScript)
AvailableActive over a week agoMadrid
Hi Mark, Looks like smthing I could easily handle. Just finished a contract with RISE Vision (DPoS in TypeScript) and looking for a new one. Timezones are negotiable. Let me know what you think. Thanks, -----
Frontend blockchain developer
AvailableActive over a week agoMadrid, Spain
Javascript React Angular Figma Solidity Python
I'm studying for a Masters' degree in Human-Computer Interaction at Tallinn University and, as of this summer, have begun researching web3 as much as possible, in the interest of demystifying the technology and making it approachable enough to inspire its widespread adoption.
Blockchain App Developer
AvailableActive over a week agoMadrid, Spain
JavaScript Solidity TypeScript
I was a trader for two and a half years, I traded and invested on crypto for half a year, and I've been a programmer for two years now. I've programmed Web 3 apps and I currently study the Solidity programming language.
Full Stack Blockchain Engineer
Active over a week agoMadridGMT+2
I would need a senior developer to make some planning and consulting, but I have relevant experience in order to develop a NFT marketplace platform.
Data Engineer at The Defiant
Active over a week agoMadridGMT+2
It's a great opportunity for me and i can support very well that
Senior Blockchain Developer
Active over a week agoMadrid, Spain
I was a web developer using Java technologies and before that, I was a systems programmer in C and bash languages. I worked both in Spain and in England. I started my career in web3 by the end of last year joining the Secureum bootcamp. I am now a freelance Solidity developer, After quite a few side
Unity 3D Developer
Active over a week agoMadrid, Spain
I have experience developing Unity mobile games from scratch and one FPS multiplayer PC game (still in development). In my current job possition, I am in charge of a small team of developers for a startup so I not only program most of the games's logic but I am also involved in testing performance,
JavaScript/React Native+
Active over a week agoMadrid
Good afternoon! I am a Front End developer. I am good in HTML5, CSS3, JavaScript, React, Node.js. English - Pre-Intermediate. Your vacancy is interesting to me for the opportunity to work in a product company, to participate in the development of mobile applications for business for iOS and Android
Solidity Engineer
Active over a week agoMadrid, Spain
08 January 2022 Dear HR Manager: I would like to kindly thank you in advance for the dedicated time to read this letter. I was very pleased to discover that there is an open position for a Solidity Developer at Dbilia. As a titled graduate from Udacity Institution with a certificate on Blockchain
Python/Deep Learning Developer
AvailableActive over a week agoMadrid
Javascript PythonNumbaPytorchSklearnHtml5Css3
I would describe myself as a dynamic and goal-oriented young professional. It was only throughout the period of my studies that I developed a genuine curiosity for mathematic, programming, macro economy and business. This newly grown curiosity has fuelled much of my ambitions and has driven me into
ICO Advisor
AvailableActive over a week agoMadrid, Brighton
I am a creative/technical language writer and consultant with extensive knowledge in writing and editing documentation in product branding, marketing and publicity. I also consult on product marketing including graphic design, infographic presentations and ICO whitepapers. I've given many hundreds