Javascript Web3 Jobs in Europe

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Job Position Company Posted Location Salary Tags

Crossmint.io | Making NFT's Accessible to Everyone

Madrid, Spain

$45k - $65k

SOUTHWORKS

Madrid, Spain

$54k - $100k

Raspberry Dream Land

United Kingdom

$50k - $60k

CI&T

Portugal

$30k - $23k

Crossmint.io | Making NFT's Accessible to Everyone

Madrid, Spain

$36k - $61k

Bitpanda

London, United Kingdom

$140k - $240k

Satoshis Games

Madrid, Spain

$40k - $60k

Aave

Berlin, Germany

$45k - $62k

Ledger

London, United Kingdom

$45k - $70k

Applied Blockchain

United Kingdom

$0k

Daoism Systems

Berlin, Germany

$60k - $100k

Curve Labs

Berlin, Germany

$45k - $70k

Nexo

Sofia, Bulgaria

$63k - $100k

Parity Technologies

Berlin, Germany

$63k - $110k

Bitfury

Amsterdam, Netherlands

$23k - $62k

Senior Backend Developer

Crossmint.io | Making NFT's Accessible to Everyone
$45k - $65k estimated
Madrid, Madrid, Spain
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This job is closed

Role : Senior Back End Developer

Location: Miami, Madrid or remote

Type of employment: Full time or Contractor

Responsibilities:

  • Architect and Manage infrastructure required to fulfill our mission
  • Solve technical problems involving back-end software engineering and user interface development
  • Ensure system availability and security
  • Contribute to technical strategies, vision, and architecture
  • Work in a truly agile environment, able to gather and understand requirements, propose solutions for those and build them
  • Design and implement APIs
  • Create and Improve Database Schema
  • Maintain the product and automation, including tests and operations
  • Comfortable Learning Our Tech stack:
    • Next.js
    • TypeScript
    • Ethers.js
    • Solana (web3.js)
    • MongoDB
    • AWS

Education/Experience:

  • Bachelor’s degree in Computer Science (not required) or equivalent knowledge and skills/ industry experience
  • 4+ years of professional experience developing production systems
  • Advanced knowledge of, at least, one modern programming language such as Javascript, Java, Python, Scala, Ruby, etc.
  • Worked with NoSQL databases
  • Experience working with serverless architecture
  • Experience with Cloud Providers (AWS, GCP, Azure, etc…)
  • API Design

Preferred experience (not required):

  • High level understanding of Crypto Currency
  • Experience with Solana or EVM based smart contracts
  • Has made or purchased NFTs before
  • Have relevant side projects
  • Distributed System Experience
  • Docker and K8s Experience
  • Experience with software engineering best practices, such as design and code reviews, source control management, or build, testing and operations processes