Senior Backend Blockchain Engineer – Scalable & Secure

Placements24; Sandton; On-site; ZAR 900,000 - 1,500,000; Full time

Benefits offered by this job

Health insurance

Dental coverage

Vision coverage

Paid time off

Professional growth

State-of-the-art tools

Sandton location

Retirement fund

Job summary

Placements24 is seeking a Backend Blockchain Engineer to join our core development team in Sandton. You will design and implement scalable backend architectures, build robust APIs, and integrate with multiple blockchain protocols to power decentralized services.

The ideal candidate has a strong backend background, hands-on blockchain experience, and a passion for building distributed ledger technologies. This role is based in Sandton, offering a collaborative work environment and opportunities

Qualifications

• Bachelor's degree in Computer Science, Software Engineering, or a related technical field.
• Minimum of 5 years of experience in backend development.
• Proven experience (2+ years) working with blockchain technologies and distributed systems.
• Proficiency in backend programming languages such as Go, Node.js, Python, or Java.

Responsibilities

• Design, develop, and maintain scalable and secure backend systems for blockchain applications.
• Implement APIs and microservices that interact with blockchain networks and smart contracts.
• Integrate backend services with various blockchain protocols (e.g., Ethereum, Polygon, Solana).
• Optimize application performance, ensuring high availability and low latency.
• Write clean, efficient, and well-documented code following best practices.
• Collaborate with frontend developers and other stakeholders to define system requirements.
• Implement security measures to protect data and prevent unauthorized access.
• Troubleshoot and debug backend issues, providing timely resolutions.
• Stay updated on emerging blockchain technologies and backend development trends.

Skills

Backend development

Problem solving

Education

Bachelor's degree in CS/SE

Tools

Go

Node.js

Python

Java

RESTful APIs

Solidity

SQL

NoSQL

Cloud platforms (AWS/Azure/GCP)

Job description

Placements24 is seeking a Backend Blockchain Engineer to join our core development team in Sandton. You will design and implement scalable backend architectures, build robust APIs, and integrate with multiple blockchain protocols to power decentralized services.

The ideal candidate has a strong backend background, hands-on blockchain experience, and a passion for building distributed ledger technologies. This role is based in Sandton, offering a collaborative work environment and opportunities