Lead Blockchain Architect (Remote)

Placements24; Kempton Park; Remote; ZAR 1,200,000 - 2,000,000; Full time

Benefits offered by this job

Bonus program

Stock options

Flexible hours

Health benefits

Conference opportunities

Job summary

Placements24 seeks a Lead Blockchain Architect to drive the design of next-generation decentralized platforms from a home office in South Africa. You will set the architectural direction, guide engineers, and ensure secure, scalable blockchain solutions across public, private, and consortium networks.

Remote role based in Gauteng with a focus on distributed systems, consensus algorithms, and smart contract security.

Qualifications

• Advanced degree or equivalent extensive experience in computer science or related field.
• 10+ years in software architecture and development, with at least 5 in blockchain.
• Experience designing complex blockchain architectures (public, private, consortium).
• Expertise in consensus algorithms and smart contract security practices.
• Familiarity with Ethereum, Hyperledger, Corda and related platforms.
• Strong leadership, communication, and ability to drive remote teams.

Responsibilities

• Define the technical vision and architectural roadmap for blockchain initiatives.
• Lead design/development of scalable, secure blockchain networks and protocols.
• Evaluate blockchain technologies and consensus mechanisms; select frameworks.
• Oversee smart contracts and dApps with best security practices.
• Mentor blockchain developers and engineers; translate business needs into tech.

Skills

Blockchain architecture

Distributed systems

Leadership

Communication

Security best practices

Smart contract development

Cloud platforms

Containerization

Blockchain platforms knowledge

Education

Advanced degree in Computer Science or related field

Tools

Docker

Kubernetes

Solidity

Rust

Hyperledger Fabric

Corda

Ethereum

Job description

About the Role

Our client is at the forefront of innovation in the cryptocurrency and blockchain ecosystem, and they are seeking an exceptional Lead Blockchain Architect to spearhead the design and implementation of our next-generation decentralized platforms. This is a pivotal, fully remote role based in Tembisa, Gauteng, ZA, offering the chance to shape technical strategy and guide engineering teams. You will be responsible for defining the overall architecture of our blockchain solutions, ensuring scalability, security, and performance meet the highest industry standards. This position demands a deep understanding of distributed systems, consensus algorithms, and the broader crypto landscape. Join us in building the infrastructure that powers the future of digital assets and decentralized technologies, all from the comfort of your home office.

Key Responsibilities

• Define and maintain the technical vision and architectural roadmap for all blockchain-related initiatives.
• Lead the design and development of robust, scalable, and secure blockchain networks and protocols.
• Evaluate and select appropriate blockchain technologies, consensus mechanisms, and development frameworks.
• Oversee the development of smart contracts and dApps, ensuring best practices in security and efficiency.
• Mentor and guide a team of blockchain developers and engineers, fostering technical excellence.
• Collaborate with stakeholders to translate business requirements into technical solutions.
• Conduct feasibility studies and proof-of-concepts for new blockchain technologies and applications.
• Ensure compliance with relevant security standards and regulatory requirements.
• Drive innovation by exploring and recommending emerging blockchain technologies and trends.
• Troubleshoot and resolve complex architectural and technical challenges.

Requirements

• Advanced degree in Computer Science, Information Technology, or a related field, or equivalent extensive experience.
• 10+ years of experience in software architecture and development, with a minimum of 5 years dedicated to blockchain and distributed ledger technologies.
• Demonstrated experience in designing and implementing complex blockchain architectures, including public, private, and consortium blockchains.
• Expertise in various consensus algorithms (e.g., PoW, PoS, PoA) and their trade-offs.
• Strong knowledge of smart contract development languages (e.g., Solidity, Vyper, Rust) and secure coding practices.
• Experience with major blockchain platforms (e.g., Ethereum, Hyperledger Fabric, Corda).
• Proficiency in system design, performance tuning, and scalability strategies for distributed systems.
• Excellent leadership, communication, and presentation skills, comfortable presenting to technical and non-technical audiences.
• Ability to work independently and lead technical discussions in a remote environment.
• Experience with cloud platforms (AWS, Azure, GCP) and containerization technologies (Docker, Kubernetes) is a plus.

Benefits

• Highly competitive salary and performance-based bonuses.
• Stock options in a rapidly growing company.
• Flexible working hours and a fully remote work setup.
• Opportunities for professional growth and attending industry conferences.
• Comprehensive health and wellness benefits.
• Chance to be a key player in shaping the future of decentralized technology.
• Collaborative and innovative work culture with a globally distributed team.