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Blockchain Software Developer

  • Indefinite
  • Full time
  • 08029, Barcelona, Spain
  • Blockchain Software Engineering

At Games for a living we develop exciting AAA blockchain games, as well as tools to help gamers and game developers benefit from crypto. We are looking for a Backend Engineer with experience in Web3 framework to help us build the next generation of Web3-based applications and products.

In this role, you will be responsible for the full product life-cycle of our upcoming crypto games and infrastructure, from development to launch and beyond. You will also be working on our 3rd party platform for developers, which will be a key piece of our technology stack.

We are a fast-paced and rapidly growing company, so we need someone who is able to work independently and take ownership of their projects. If you are a self-starter with a passion for blockchain technology and gaming, then we want to hear from you!


  • Write code in Solidity.
  • Rewrite and update code for our indexer.
  • Ensure code follows latest coding practices and industry standards.
  • Work closely with backend developers to understand and properly use the system's APIs.
  • Write both unit and integration tests, and develop automation tools for daily tasks.
  • Challenge ideas and opinions to avoid pitfalls and inefficient solutions.
  • Own off-chain services that maintain on-chain systems on several chains.
  • Design and implementation of microservices to gaming and financial systems and payment networks.
  • Write reusable, testable, and efficient code.
  • Analyse requirements, vendor APIs, and translate into application designs.
  • Implementation of security and data protection systems.
  • Build applications according to the design and provide designers with feedback and suggest tradeoffs when required.

About you


  • Distributed networks: Blockchain; Consensus models or Rust or any Smart Contract programming language.
  • 6+ years coding experience, experience with Solidity. Experience with GoLang will be nice to have.
  • You have a working understanding of blockchains and smart contracts, and a birds-eye view of the state of L1 tech.
  • You have familiarity with applied cryptography (merkle trees, ecdsa, etc)
  • You have strong opinions on system design and code cleanliness.
  • Experience developing technologically complicated products for untrained end-users.
  • You are passionate about blockchain, have used DeFi dApps and believe in the opportunity of blockchains to change how the financial and gaming worlds are working today.
  • You thrive in a startup environment and feel best working in a small, cross-functional team where you can roll up your sleeves and be hands-on.
  • You have an interest in working in a self-organising environment and bring creativity to start your own initiatives within the EVM ecosystem.


  • 25 days of paid holiday.
  • Start-up atmosphere with free coffee & fruit, social events and cool office facilities.
  • Front-row seat in the development of a Web3 future.
  • Innovation-driven work environment.
  • Work hands on with an outstanding team of video game professionals.

Important: No recruiters. Contractors will be considered, please include day rate and salary expectations in your application.

Think your skills match up? Please apply here and we would love to discuss further!