Senior Blockchain Engineer — Scale & Performance Lead

Placements24; Mbombela (Nelspruit); Hybrid; ZAR 1,200,000 - 2,000,000; Full time

Benefits offered by this job

Exceptional salary and incentive plans

Comprehensive health insurance

Professional development budget

State-of-the-art working environment

Generous vacation and leave policy

Job summary

Placements24 in Nelspruit, Mpumalanga is seeking an experienced Senior Blockchain Engineer focused on scalability and performance to architect, implement, and optimize high-performance blockchain networks. The role demands deep distributed systems expertise to push throughput and latency boundaries for global adoption.

The ideal candidate will lead architectural design, collaborate with research teams, and mentor junior engineers while shaping the platform's technical roadmap in a rapidly

Qualifications

• Master's or Ph.D. in Computer Science, Electrical Engineering, or a related field.
• 7+ years of experience in software engineering with a focus on distributed systems and high-performance computing.
• Proven experience optimizing and scaling complex systems, preferably in blockchain or DLT space.
• Deep understanding of network protocols, operating systems, and low-level system programming.

Responsibilities

• Design and implement solutions to enhance blockchain network scalability and transaction throughput.
• Optimize existing blockchain protocols and systems for performance and efficiency.
• Develop and integrate advanced scaling solutions (e.g., Layer 2, sharding).
• Conduct performance testing, benchmarking, and profiling of blockchain infrastructure.
• Identify and resolve bottlenecks in network consensus, transaction processing, and data storage.
• Collaborate with R&D teams on cutting-edge scaling technologies.
• Contribute to architectural design and technical roadmap of the blockchain platform.
• Mentor junior engineers and provide technical leadership in scalability and performance.

Skills

Distributed systems

High-performance computing

Performance analysis

Debugging

Education

Master's or PhD in CS or EE

Tools

Performance analysis tools

Job description

Placements24 in Nelspruit, Mpumalanga is seeking an experienced Senior Blockchain Engineer focused on scalability and performance to architect, implement, and optimize high-performance blockchain networks. The role demands deep distributed systems expertise to push throughput and latency boundaries for global adoption.

The ideal candidate will lead architectural design, collaborate with research teams, and mentor junior engineers while shaping the platform's technical roadmap in a rapidly