Rust Engineer / Blockchain Security Engineer

Crypto.com; United Kingdom; On-site; GBP 60,000 - 80,000; Full time

Job summary

A leading blockchain technology firm in the United Kingdom is seeking experienced backend engineers to develop innovative blockchain solutions. Candidates should have 5+ years of experience, preferably with languages like Go or Rust, and a strong understanding of blockchain protocols. The role emphasizes collaboration, problem-solving, and a proactive approach to improving technology. Join us to build first-class products that solve real-world challenges.

Qualifications

• 5+ years of engineering experience, preferably strong backend development.
• Basic understanding of consensus algorithms such as Raft or PBFT.
• Experience with basic cryptographic primitives.

Responsibilities

• Develop and participate in architectural decisions and designs.
• Analyze and solve complex problems across the blockchain protocol.
• Collaborate with DevOps to improve the tech stack.

Skills

Fast learner

Organizational skills

Interpersonal skills

Self-starter

Backend development experience

Familiarity with blockchain systems

Tools

Java

Go

Rust

Erlang

Job description

Responsibilities

• Development activities include development, proposing architectural decisions, participating in designs, design review, code review, and implementation; identify issues and implement solutions to complex problems in the blockchain protocol.
• Analyze and solve difficult problems across the blockchain protocol.
• Work closely with operations and infrastructure to build high‑scale backend services.
• Manage documentation of all code and functionalities implemented.
• Work closely with DevOps and ecosystem engineers to improve the tech stack for long‑term engineering initiatives.

Requirements

• Interested in building a first‑class product to solve real‑world problems.
• Experienced with various technologies, a fast learner, and have a “get things done” mentality.
• Strong organizational skills, interpersonal skills, and the ability to juggle conflicting requirements from many different stakeholders.
• Humble to embrace better ideas from others, eager to make things better, open to challenges and possibilities.
• Self‑starter who can define and execute tasks with minimal guidance.
• Open to learning, collaborative, willing to give and receive feedback; 5+ years of engineering experience, preferably strong backend development experience (e.g., Go, Rust, Java, Erlang).
• Hands‑on experience in using basic cryptographic primitives (e.g., BouncyCastle in Java): digital signatures, key exchange, symmetric and asymmetric encryption.
• Basic knowledge of distributed systems and understanding of consensus algorithms, such as Raft or PBFT.
• Experience with or interest in Go or Rust.
• Hands‑on experience with any existing blockchain system internals is welcomed but not required.