Lead Cryptography Engineer

Placements24; Gauteng; Hybrid; ZAR 900,000 - 1,300,000; Full time

Benefits offered by this job

Fully remote position

Competitive rate and professional成长

Job summary

Placements24 is seeking a Lead Cryptography Engineer to spearhead secure cryptographic protocol development for blockchain products. You will design, implement, and validate cryptographic algorithms, ensuring the security and integrity of digital assets and transactions in a fully remote setting.

You will mentor a team of cryptography specialists, stay current with research, and collaborate with engineers to integrate cryptographic solutions across platforms.

Qualifications

• 7+ years of experience in applied cryptography and secure systems design.
• Deep understanding of theoretical cryptography, number theory, and related math concepts.
• Proven experience with symmetric/asymmetric encryption, hashing, digital signatures, and zero-knowledge proofs.
• Proficiency in C++, Python or Rust; familiarity with cryptographic libraries.

Responsibilities

• Lead research, design, and implementation of novel cryptographic algorithms for blockchain applications.
• Develop and audit cryptographic libraries and modules for robustness and security.
• Collaborate with software engineers to integrate cryptographic solutions.
• Evaluate cryptographic primitives for specific use cases.
• Conduct formal security analyses and penetration testing of cryptographic systems.
• Stay updated with academic research and industry best practices.

Skills

Cryptography

Blockchain security

Security analysis

Mentoring

Education

Master's or PhD in Computer Science, Cryptography, Mathematics

Tools

C++

Python

Rust

OpenSSL/libsodium

Bouncy Castle

Job description

About the Role

Our client, a trailblazing innovator in the Tembisa, Gauteng, ZA cryptocurrency landscape, is actively seeking a Lead Cryptography Engineer to spearhead their efforts in developing secure and advanced cryptographic protocols. This is a critical role where you will be responsible for the design, implementation, and validation of cryptographic algorithms and systems that underpin our client's next-generation blockchain products. You will play an instrumental part in ensuring the utmost security and integrity of digital assets and transactions, working within a highly skilled and motivated team. This position offers an unparalleled opportunity to contribute to significant projects in a rapidly expanding and exciting sector. The role is fully remote, allowing you to work from anywhere.

Key Responsibilities

• Lead the research, design, and implementation of novel cryptographic algorithms and protocols for blockchain applications.
• Develop and audit cryptographic libraries and modules to ensure robustness and security.
• Collaborate with software engineers to integrate cryptographic solutions into existing and new platforms.
• Evaluate and select appropriate cryptographic primitives and techniques for specific use cases.
• Conduct formal security analyses and penetration testing of cryptographic systems.
• Stay current with academic research and industry best practices in cryptography and cybersecurity.
• Mentor and guide a team of cryptography specialists and engineers.
• Document cryptographic designs, implementations, and security findings thoroughly.

Requirements

• Advanced degree (Master's or PhD) in Computer Science, Cryptography, Mathematics, or a related field.
• Minimum of 7 years of experience in applied cryptography and secure systems design.
• Deep understanding of theoretical cryptography, number theory, and related mathematical concepts.
• Proven experience in implementing and analyzing symmetric and asymmetric encryption, hashing, digital signatures, and zero-knowledge proofs.
• Proficiency in programming languages commonly used in cryptography (e.g., C++, Python, Rust).
• Experience with cryptographic libraries and frameworks (e.g., OpenSSL, libsodium, Bouncy Castle).
• Familiarity with blockchain technology and its cryptographic underpinnings.
• Strong publication record in top-tier cryptography or security conferences is a plus.
• Excellent analytical, problem-solving, and communication skills.

Benefits

This fully remote position offers a highly competitive contract rate of R per annum, reflecting the seniority and specialized nature of the role. Beyond the attractive compensation, our client provides opportunities for significant professional growth, exposure to groundbreaking projects, and the flexibility to work from your preferred location. You will be part of a collaborative and intellectually stimulating environment dedicated to pushing the boundaries of cryptographic innovation in the blockchain space. Regular team syncs and virtual social events are organized to foster team cohesion. This is an exceptional chance to make a substantial impact in the core of blockchain security from anywhere.