Senior Blockchain Architect — Remote, Enterprise-Scale

Placements24; Sandton; Hybrid; ZAR 3,293,000 - 5,763,000; Full time

Benefits offered by this job

Performance bonuses

Equity options

Health, dental, vision insurance

Retirement plan

Remote-first culture

Job summary

Placements24 is seeking a Senior Blockchain Architect for a remote role to lead design and implementation of cutting-edge blockchain infrastructure for global clients. You will set technical strategy, evaluate platforms, and ensure scalability, security, and performance across distributed ledger systems.

The ideal candidate has deep expertise in multiple blockchains, cryptography, smart contract languages, and enterprise patterns.

Qualifications

• 10+ years in software architecture with 6+ years in blockchain.
• Experience designing complex networks (Hyperledger, Ethereum, Solana, Cosmos).
• Proficient in Solidity, Rust, Go; strong cryptography knowledge.
• Experience with cloud platforms and containerization (AWS, Azure, GCP).
• Strong leadership, remote collaboration, and architectural decision making.

Responsibilities

• Lead architectural design of enterprise blockchain solutions.
• Evaluate platforms, consensus algorithms, and technologies.
• Define standards and development guidelines for blockchain initiatives.
• Translate business needs into technical blueprints with stakeholders.
• Develop proofs-of-concept to validate approaches.
• Provide mentorship to development teams throughout projects.
• Ensure security, performance, and maintainability of systems.
• Stay updated on emerging blockchain tech and regulations.
• Contribute to IP through research and development.

Skills

Blockchain architecture

Hyperledger Fabric

Ethereum

Solana

Cosmos

Solidity

Rust

Go

AWS

Kubernetes

Distributed systems

Education

Master's or Ph.D. in CS/Engineering

Tools

Docker

Kubernetes

Cloud platforms (AWS/Azure/GCP)

Job description

Placements24 is seeking a Senior Blockchain Architect for a remote role to lead design and implementation of cutting-edge blockchain infrastructure for global clients. You will set technical strategy, evaluate platforms, and ensure scalability, security, and performance across distributed ledger systems.

The ideal candidate has deep expertise in multiple blockchains, cryptography, smart contract languages, and enterprise patterns.