Remote job description

Qredo works at the cutting-edge of cybersecurity and blockchain. We use the latest innovations in cryptography and distributed ledger technology to deliver unique solutions for securing and trading digital assets. Qredo is headquartered in London, UK, with development offices in Sofia, Bulgaria. Qredo is a well-funded, VC backed start-up with a clear mission and unprecedented demand for our products. Qredo is the ideal company for hard-working, highly creative engineers who enjoy working in a friendly, collaborative environment.


This is a hands-on role for a highly experienced Rust engineer whose objective is to build the next generation of blockchain infrastructure. Qredo has a novel plan to build infrastructure that is fit for purpose in the modern financial system. Qredo's novel solution will aim to facilitate high throughput transactions that are verified more efficiently by validators, than current schemes proposed within the blockchain ecosystem (these are not conventional proof of work/of stake schemas).

The Rust Engineer will focus on the security, stability, scalability and flexibility of Qredo's blockchain infrastructure. The engineer will need to apply concepts from computer science/cryptographic/mathematical research to the software they will be tasked with building. This may mean reading research papers and reading mathematics.

If chosen, you will work on our core codebase. You will contribute to product design decisions and be involved in the day-to-day activities of a small but highly productive development team. This is the perfect role for a highly experienced engineer who enjoys adopting new technologies and who sets high standards for themselves and those around them. You will be a leading and influential member of our development team.


  • Build the next version of Qredo chain from the specification produced by the CTO and engineering manager
  • Comprehend the current state of the Qredo chain. Our current stack is a mixture of Go, C, Python and JavaScript
  • Proactively contribute to product and system design and architecture
  • At your discretion get involved with other aspects of the works undertaken by the R&D Department such as:

o Customer integration o App Development o UI Design o Attending meetups o Recruiting other team members o Mentor junior staff members

Skills and Experience

  • Highly experienced Rust engineer
  • Excellent conversational English skills
  • Excellent teamwork and communication skills
  • Experience with C++, Go, Java, Python
  • System architecture and design
  • Excellent teamwork and communication skills
  • Advanced containerisation Docker, Kubernetes, Cloud Formation etc.
  • AWS, CloudFormation and dev ops tools
  • Computer Science Degree or equivalent industry experience
  • Experience with Server OS - Linux, Windows Server and BSD and Desktop / Client OS - Windows, MacOS
  • Scripting experience: Bash / PowerShell
  • Knowledge and interest in crypto currencies
  • Debugging, diagnosing and solving problems
  • Be available for out of hours support
Company name: Qredo
Remote job title: Senior Rust Engineer

Job tags: rust, fintech, blockchain, cryptography, cyber security

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