Remote Senior Blockchain Architect | Lead DApps & Security

Placements24; Sandton; Hybrid; ZAR 1,992,000 - 2,988,000; Full time

Job summary

Placements24 seeks a Senior Blockchain Solutions Architect for a fully remote position in the crypto and blockchain space. You will design and oversee blockchain solutions, translating business needs into scalable architectures and leading engineering in a remote-first environment.

You will evaluate Ethereum, Hyperledger, and Polygon, define blueprints, ensure security and performance, and align technical roadmaps with product goals.

Qualifications

• Experience in software architecture and solution design with blockchain specialization.
• Knowledge of Ethereum, Hyperledger Fabric and Polygon.
• Smart contract development experience.
• Experience with cloud platforms (AWS, Azure, GCP).
• Strong cryptography and distributed systems basics.
• Remote-work readiness and collaboration skills.

Responsibilities

• Lead the architectural design and development of blockchain-based solutions and decentralized applications.
• Evaluate and recommend appropriate blockchain technologies, protocols, and platforms for diverse use cases.
• Develop comprehensive technical specifications, blueprints, and roadmaps for blockchain implementations.
• Collaborate with product managers, developers, and clients to ensure alignment between business goals and technical solutions.
• Provide expert guidance on blockchain best practices, security standards, and performance optimization.
• Identify and mitigate technical risks associated with blockchain projects.
• Stay current with industry trends, emerging technologies, and regulatory developments in the blockchain space.
• Mentor junior technical staff and contribute to the growth of the engineering team.
• Present technical solutions and strategies to diverse audiences, including executive leadership.
• Ensure the scalability, security, and efficiency of designed blockchain architectures.

Skills

Software architecture

Blockchain concepts

Smart contract development

Communication skills

Problem solving

Education

Bachelor's/Master's in CS/Engineering

Tools

Ethereum

Hyperledger Fabric

Polygon

AWS

Azure

GCP

Job description

Placements24 seeks a Senior Blockchain Solutions Architect for a fully remote position in the crypto and blockchain space. You will design and oversee blockchain solutions, translating business needs into scalable architectures and leading engineering in a remote-first environment.

You will evaluate Ethereum, Hyperledger, and Polygon, define blueprints, ensure security and performance, and align technical roadmaps with product goals.