Copper is a digital asset technology company dedicated to helping institutional investors safely acquire, trade, and store crypto assets

 
Built and led by Dmitry Tokarev, a software and financial engineering specialist, the firm provides a comprehensive suite of custody, trading and settlement solutions that reduce counterparty risk and bring greater capital and operational efficiency to digital asset markets. At the heart of Copper's offering is Multi-Party Computation (MPC) technology – the gold standard in secure custody. Copper’s multi-award winning custody system is unique in that it can be connected to centralised exchanges, DeFi applications and even staking pools without the assets leaving the custody.

Built on top of this state-of-the-art custody, ClearLoop™ is the first solution in the market that overcomes a growing industry challenge; counterparty risk with exchanges. This solution underpins a full prime services offering, connecting global exchanges and enabling customers to trade and settle directly from the safety of their MPC-secured wallets. By reducing settlement time for transfers to a few milliseconds (without blockchain network dependency) and offering enhanced security measures, ClearLoop™ is rapidly reshaping the way asset managers trade and manage capital.

In addition to industry-leading security certifications, Copper has one of the strongest insurance coverages in the industry from an A+ rated insurer, positioning the firm as the partner of choice for institutions seeking to safeguard their assets

Department environment 

We aim to achieve a balance between corporate culture and start-up culture, and at the same time be close to product solutions. Therefore, we divide our department into small self-sufficient teams that can make decisions on their own. This applies to all stages of product production: from conceptualisation to architecture, to build, to release, to iteration and support 

You'll do lots of research and develop your knowledge regarding cryptocurrency and blockchain including data processing, protocols integration etc. In addition to this, you'll be surrounded by friendly high-level specialists who are ready to share their knowledge. 

The team is currently working on several major product changes that will improve client experience with cryptocurrency interaction like secure cryptocurrencies management or simplifying user flows when interacting with Decentralised Finance (DeFi) protocols.  

 

Role Responsibilities  

  • Support and improve current services that handle over 50 blockchain protocols with more than 500 cryptocurrency assets 
  • Research and building new blockchain integration and solutions, including blockchain data processing, cryptocurrency protocols integrations, DeFi integration etc 
  • Support and solve problems from clients and stakeholders 

 

Your experience, skills and knowledge 

  • Experience working on blockchain development (cryptocurrency wallets, blockchain data processing, DeFi etc) 
  • 5+ years’ experience building software with an OOP language: Scala, JS/TS (Node.js), Kotlin, Java, or Go 
  • Familiarity with relational databases such as PostgreSQL 
  • Experience in building and optimising systems for working with large amounts of data, both at the database level and interactions between services 
  • An understanding of the critical importance of unit tests, well-versed and able to build automated tests of server-side code 
  • You’re professionally curious and willing to develop yourself as a multi-stack developer. You are ready that you should research and use technologies and programming languages that you didn’t face before 

Desirable 

  • Experience with containerisation and DevOps practices  
  • Experience developing Smart Contracts 

 

Our core tech stack  

  • Software development languages: Scala, Javascript/Typescript (Node.js), Rust 
  • Storage: PostgreSQL, Mongo DB, Clickhouse  
  • Backend Frameworks: Spring, Akka HTTP  
  • Frontend Frameworks: React, ElectronJs  
  • Interservice communication: RabbitMQ 
  • Architecture: Service-Oriented Architecture (SOA) 
  • Infrastructure: AWS, Terraform, Ansible, Docker, Mesos/Marathon container orchestration, Consul, Nginx, GoCD by ThoughtWorks CI/CD, Prometheus, Kibana, Grafana 
     

Our Benefits  

  • Bi-annual bonus incentive  
  • Employee Growth Share equity incentive  
  • A minimum of 33 days holiday per year including public holidays (increasing by one day per year of service)  
  • Private medical and dental care  
  • Pension with matched contribution, up to 10% of salary  
  • Home Working Energy Support Scheme  
  • Regular game nights, quiz nights, cinema nights and cultural events  
  • An annual Copper Summit (This year was Lisbon!)  

 

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