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Senior Front-end Software Engineer in Barcelona


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Job Description

Exciting Opportunity to Shape the Future of Finance!

🚀 Join PrimeTrader, a Revolutionary Blockchain Gaming Start-up 🚀

PrimeTrader, launched in October 2022 is at the forefront of revolutionizing gaming through cryptocurrency trading leveraging the potential of the Web3 ecosystem. We are fully dedicated to our mission of onboarding and transitioning the remaining 99% of traditional users who are still connected to conventional Web2 finance. Our aim is to introduce them to the promising world of Web3 finance, which serves as a stepping stone towards attaining financial independence. In order to make this journey accessible to everyone we have transformed the learning process into a game that even children can participate in! Let's embark on this thrilling adventure together and a promising future full of possibilities!

🌍 Our Vision 🌍

We envision a world where seamless and secure crypto trading experiences facilitate effortless transitions into the Web3 landscape. We are dedicated to empowering our users by providing tools and resources that demystify the world of cryptocurrency and blockchain technology.

🎮 Our Services 🎮

Our comprehensive suite of services includes:

  • Gamified Crypto Trading
  • Continuous education in the world of finance and in the innovative world of Web3
  • Copy Trading
  • Asset Tokenization
  • NFT Gaming
  • Traditional Banking Facilities (debit cards and bank accounts)

We are actively involved in the OTC market, trading Bitcoin with institutional clients, and operate under the aegis of the Bank of Spain as a regulated financial institution.

💼 Requirements 💼


  • 3-4 years of experience building applications using modern UI frameworks such as React.js, Next.js, and React Native
  • Ability to write reusable, well-documented, and clean JavaScript code
  • Experience building and deploying hybrid apps to production with strong JavaScript fundamentals
  • Overhaul of UI/UX with ease of use in mind, demonstrating experience in creating beautiful user interface designs and understanding user needs
  • Passion for payment systems and cryptocurrency
  • Experience with Node.js, GCP, Redis, and basic cloud computing concepts is a plus

Nice to have

  • Blockchain Experience or Smart Contract development experience.
  • Experience in Financial Services and/or Financial Technology.
  • Experience developing or supporting financial accounting systems, such as general ledger and. bookkeeping functions.
  • Familiarity with digital asset trading, lending, and/or wallets.
  • Ability to work full-stack and familiarity with React, Next.js, Three.js.
  • Experience with large-scale, real-time production applications.
🌟 Note: Even if you do not meet all the requirements, but can successfully complete a challenge provided during the interview process, you will still be considered as a candidate! 🌟

🙌 Be Part of Our Journey 🙌

If you are passionate about shaping the future of finance, enthusiastic about embracing new technologies, and dedicated to making a positive impact on the world, we invite you to join us on this exciting journey! Together, we can transform the way the world interacts with finance and help millions of people worldwide achieve financial freedom.

Become a part of PrimeTrader and let's redefine the future, together!


  • Competitive salary
  • Participation of company performance
  • Paid vacation days
  • Annual bonus payments


About PrimeTrader

  • Blockchain

  • Barcelona, Spain

  • 2 - 10

BITX is a liquidity aggregator and exchange for virtual currencies (cryptocurrencies) regulated by the Bank of Spain.

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