Lead Blockchain Architect: Build Scalable, Secure DLT

Placements24; Polokwane; On-site; ZAR 1,200,000 - 1,800,000; Full time

Benefits offered by this job

Highly competitive salary and exec‑lvl

Comprehensive healthcare: medical, den

Significant bonus potential and equity

Generous leave policy and dev budget

Relocation support for exceptional

Work with cutting-edge R&D resources

Workshops and conferences

Company‑sponsored social events

Job summary

Placements24 is seeking a Lead Blockchain Architect in Polokwane to drive the design and implementation of next‑generation blockchain solutions. You will define technical vision, architecture, and strategy, ensuring scalability, security, and high performance across products.

The role requires hands-on leadership, collaboration with executives and engineering teams, and the ability to translate business needs into robust technical solutions.

Qualifications

• Master's degree in Computer Science, Information Technology, or related field.
• 8+ years of software architecture experience, with ≥4 years in blockchain tech.
• Deep expertise in blockchain protocols and smart contracts.

Responsibilities

• Define and document the technical architecture for blockchain platforms and applications.
• Lead the design of scalable, secure, and fault-tolerant blockchain systems.
• Evaluate and select technologies, protocols, and development tools.
• Oversee smart contracts and dApps development and deployment.
• Ensure security best practices throughout the lifecycle.
• Mentor blockchain teams and communicate with stakeholders.
• Stay updated on blockchain trends and research papers.
• Develop technical roadmaps and strategy documents.

Skills

Blockchain architecture

Leadership

Cloud platforms

Security

Agile

Communication

Education

Master's degree in CS/IT

PhD is a plus

Tools

Docker

Kubernetes

Solidity

Chaincode

Hyperledger Fabric

Ethereum

Job description

Placements24 is seeking a Lead Blockchain Architect in Polokwane to drive the design and implementation of next‑generation blockchain solutions. You will define technical vision, architecture, and strategy, ensuring scalability, security, and high performance across products.

The role requires hands-on leadership, collaboration with executives and engineering teams, and the ability to translate business needs into robust technical solutions.