Blockchain Software Engineer


Technology (Development)
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Blockchain Software Engineer

Join the fastest growing fintech in Europe

Copper is the connection between the worlds of Crypto Currency and Institutional finance.

We’ve created the trading applications that enable vast sums of crypto-assets to move quickly and securely between exchanges and hedge funds, bridging the gap between private banks and high net-worth Crypto investors.

Our culture is based on innovation, enthusiasm and above all else collaboration.

Department environment

Our Engineering team has remained at the forefront of blockchain technology, setting standards for the cryptocurrency infrastructure globally since the firm’s inception in 2018. We are now looking to expand the team with several exceptional individuals who will help us further accelerate the crypto ecosystem’s coming of age.

You will be involved in

  • Teams working on every stage of greenfield product and feature development from conceptualisation to architecture, build, release, iteration and support.
  • Blockchain Development, including Defi, Smart Contract, Ethereum etc
  • Integrating with over 50 cryptocurrency exchanges, traditional financial services providers, payment networks and other third-parties

Our core tech, tools, and languages

  • Software development languages: Java, Scala, and Node JS
  • Architecture: Service-Oriented Architecture (SOA)
  • Cloud: AWS, CI/CD pipelines, Docker, Kubernetes
  • Interservice communication: Rest, Rabbit MQ, HTTP
  • Storage: PostgreSQL, Mongo DB

Your experience, skills and knowledge – what we need from you

  • 3+ years’ experience building software with an OOP (GoLang, Python, Java, Scala, Etc)
  • Experience developing SOA
  • Experience working on Blockchain development (Cryptography, Defi, Smart contract etc)
  • Well-versed with (and committed to) the OOP paradigm and design patterns
  • An understanding of the critical importance of unit tests, well-versed and able to build automated tests of server-side code (TDD)
  • The ability to prioritise, distinguish between major and minor issues and not get hung up on the latter


  • 25 days holiday a year plus bank holiday entitlement (plus one day added on up until 30days is reached)
  • BUPA Private medical and Dental care
  • Pension matched up to 10%
  • Home Working Energy support scheme
  • Employee Growth Share Scheme
  • Bi – Annual Bonus
  • Monthly events such as game nights, Quiz nights, Cinema Nights
  • An annual Copper Summit (This year is Lisbon!)
  • Breakfast and refreshments in the office
  • Limited edition copper swag


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Pioneer the future of finance
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