Remote Senior Blockchain Engineer

Placements24; Benoni; Hybrid; ZAR 1,959,000 - 2,938,000; Full time

Benefits offered by this job

Competitive salary

Remote work

Health insurance

Paid time off

Professional development

Conferences budget

Job summary

Placements24 is seeking a highly experienced Remote Senior Blockchain Engineer to lead key development initiatives in a 100% remote setting. You will design, develop, and deploy scalable blockchain solutions, mentor junior engineers, and drive technical excellence across crypto projects.

The ideal candidate has 7+ years in software with at least 4 years in blockchain, hands-on with Ethereum/Polygon/Solana, and expert back-end skills (Go, Rust, Node.js) plus cryptography and distributed systems

Qualifications

• 7+ years of professional software development experience, with at least 4 years in blockchain.
• Experience building scalable decentralized applications and dApps.
• Strong cryptography, network protocols, and distributed systems knowledge.
• Excellent written and verbal communication for remote teams.

Responsibilities

• Lead design and implementation of complex blockchain systems and dApps.
• Develop high-performance, secure smart contracts (Solidity).
• Architect and build robust APIs and back-end services.
• Collaborate with distributed teams and stakeholders via remote channels.
• Conduct code reviews, security audits, and performance testing.
• Mentor junior engineers and establish remote development best practices.

Skills

Blockchain architecture

Distributed systems

Remote collaboration

Mentoring

Tools

Go

Rust

Node.js

Solidity

Ethereum

Polygon

Solana

Job description

About the Role

Our client is seeking a highly experienced Remote Senior Blockchain Engineer to lead key development initiatives. This role is 100% remote, offering the flexibility to work from anywhere while contributing to groundbreaking projects in the crypto and blockchain space. You will be responsible for designing, developing, and deploying scalable and secure blockchain solutions, mentoring junior engineers, and driving technical excellence. The ideal candidate is a proactive problem-solver with a passion for decentralized technologies and a proven ability to deliver high-quality code in a remote-first environment.

Key Responsibilities

• Lead the design and implementation of complex blockchain systems and decentralized applications.
• Develop high-performance, secure, and efficient smart contracts using languages like Solidity.
• Architect and build robust APIs and back-end services to support blockchain functionalities.
• Collaborate effectively with distributed teams, product managers, and stakeholders through virtual channels.
• Conduct rigorous code reviews, security audits, and performance testing.
• Mentor junior engineers and contribute to establishing best practices for remote development.

Requirements

• Minimum 7 years of professional software engineering experience, with at least 4 years focused on blockchain development .
• Expertise in one or more blockchain platforms (e.g., Ethereum, Polygon, Solana) and smart contract programming.
• Strong proficiency in back-end languages (e.g., Go, Rust, Node.js) and database technologies.
• Proven experience in architecting and building scalable decentralized applications (dApps).
• Excellent understanding of cryptography, distributed systems, and network protocols.
• Exceptional communication, collaboration, and problem-solving skills for a remote work setting.

Benefits

• Highly competitive salary with remote work flexibility.
• Comprehensive health, dental, and vision insurance plans.
• Generous paid time off and parental leave policies.
• Professional development budget for courses, certifications, and conferences.
• Opportunity to work on cutting-edge blockchain technology from anywhere.