Senior Blockchain Engineer: Scalable, High-Performance

Placements24; Stellenbosch; On-site; ZAR 900,000 - 1,900,000; Full time

Benefits offered by this job

Competitive salary + bonuses + equity

Health, dental, and vision insurance

Paid time off

Flexible working arrangements

Professional development opportunities

Conferences and industry events

Job summary

Placements24 is partnering with a rapidly expanding technology firm in Stellenbosch, Western Cape, to hire a Senior Blockchain Engineer focused on scalability and performance optimization. You will architect and implement solutions to handle increasing transaction volumes and complex operations.

You will collaborate with smart contract teams, lead critical performance tuning efforts, and mentor junior engineers, contributing to the growth of a world-class blockchain platform.

Qualifications

• Master's or PhD in Computer Science, Engineering, or related field, or equivalent practical experience.
• 6+ years of software experience with at least 4 years on blockchain development.
• Proven expertise in scalability solutions (Sharding, Rollups, State Channels).

Responsibilities

• Architect and implement scalable blockchain solutions to boost throughput.
• Optimize consensus algorithms and network protocols.
• Develop and integrate layer-2 scaling techniques.
• Lead code reviews and mentor junior engineers.
• Document designs, performance benchmarks, and best practices.

Skills

Blockchain scalability

Consensus algorithms

Low-level programming (C++, Go, Rust)

Distributed systems

Cryptography fundamentals

Performance tuning

Mentoring & leadership

Education

Master's or PhD in Computer Science/Engineering

Job description

Placements24 is partnering with a rapidly expanding technology firm in Stellenbosch, Western Cape, to hire a Senior Blockchain Engineer focused on scalability and performance optimization. You will architect and implement solutions to handle increasing transaction volumes and complex operations.

You will collaborate with smart contract teams, lead critical performance tuning efforts, and mentor junior engineers, contributing to the growth of a world-class blockchain platform.