Senior Cryptography Engineer - Hybrid, Stock Options

Placements24; Randburg; Hybrid; ZAR 1,400,000 - 2,300,000; Full time

Benefits offered by this job

Stock options

Health benefits

Hybrid work model

Conference funding

Job summary

Placements24 is recruiting a Senior Cryptography Engineer for its Randburg R&D team. You will design, implement, and analyze cryptographic primitives and protocols that underpin secure blockchain-based systems, combining theory with practical applications.

Ideal candidates hold a PhD or MSc in a cryptography-related field, have hands-on experience with OpenSSL/libsodium, and are proficient in C++, Python, or Rust. You will mentor juniors and contribute to cutting-edge research with global impact.

Qualifications

• PhD or MSc with cryptography specialization.
• Proven applied cryptography experience including zero-knowledge proofs.
• Strong programming skills in C++, Python, or Rust.
• Experience with cryptographic libraries like OpenSSL or libsodium.

Responsibilities

• Research, design, and implement advanced cryptographic algorithms.
• Analyze the security of existing implementations and propose improvements.
• Develop secure cryptographic libraries for blockchain applications.
• Collaborate with hardware and software engineers to integrate cryptographic solutions.
• Conduct formal security proofs and analyze cryptographic schemes.
• Publish research findings in peer-reviewed conferences and journals where appropriate.
• Ensure that all cryptographic implementations adhere to rigorous security standards.
• Mentor junior engineers and contribute to the team's technical expertise.

Skills

Applied cryptography

Problem solving

Research

Collaboration

Education

PhD or MSc in Cryptography

Tools

OpenSSL

libsodium

C++ programming

Python programming

Rust programming

Job description

Placements24 is recruiting a Senior Cryptography Engineer for its Randburg R&D team. You will design, implement, and analyze cryptographic primitives and protocols that underpin secure blockchain-based systems, combining theory with practical applications.

Ideal candidates hold a PhD or MSc in a cryptography-related field, have hands-on experience with OpenSSL/libsodium, and are proficient in C++, Python, or Rust. You will mentor juniors and contribute to cutting-edge research with global impact.