Senior/Lead Blockchain Protocol Engineer

Summary

Join Crypto.com's team of software engineers and contribute to the design, development, and maintenance of software for various ventures projects. You will be involved in designing scalable applications, from frontend UI to backend infrastructure, and tackling complex problems within the blockchain protocol. Collaborate with operations, infrastructure, and DevOps teams to build high-scale backend services and improve the tech stack. This role requires strong backend development experience, familiarity with cryptographic primitives and distributed systems, and a proactive, collaborative mindset. Crypto.com offers a competitive salary, flexible work arrangements, and various benefits including a Crypto.com Visa card.

Requirements

• Be interested in building first-class products to solve real-world problems
• Have experience with various technologies, be a fast learner, and possess a "get things done" mentality
• Possess strong organizational skills, interpersonal skills, and the ability to juggle conflicting requirements from many different stakeholders
• Be humble to embrace better ideas from others, eager to make things better, open to challenges and possibilities
• Be a self-starter who can define and execute tasks with minimal guidance
• Be open to learning, collaborative, and willing to give and receive feedback
• Have 5+ years of engineering experience, preferably strong backend development experience (e.g., Go, Rust)
• Have hands-on experience in using basic cryptographic primitives (e.g., BouncyCastle in Java): digital signatures, key exchange, symmetric and asymmetric encryption
• Have basic knowledge of distributed systems and understanding of consensus algorithms, such as Raft or PBFT

Responsibilities

• Develop, propose architectural decisions, participate in designs, conduct design reviews, code reviews, and implementation
• Identify 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

Preferred Qualifications

• Have experience with or interest in Go or Rust
• Have hands-on experience with any existing blockchain system internals
• Have contributed to open source blockchain projects
• Have conducted research on fields related to blockchain and/or cryptography
• Have experience in Cosmos SDK or Ethereum core development
• Have experience with Golang or Rust

Benefits

• Competitive salary
• Attractive annual leave entitlement including: birthday, work anniversary
• Flexi-work hour and hybrid or remote set-up
• Internal mobility program offering employees a diverse scope
• Crypto.com Visa card provided upon joining