Blockchain Developer (Backend Focus)

Placements24; Polokwane; Hybrid; ZAR 720,000 - 960,000; Full time

Benefits offered by this job

Competitive salary

Medical aid

Retirement plan

Hybrid work

Training & conferences

Career growth

Job summary

Placements24 is seeking a skilled Blockchain Developer with a strong backend focus to join our team in Polokwane. You will build and maintain backend services, APIs, and smart contracts powering our blockchain applications, ensuring security, scalability, and performance.

Ideal candidates have hands-on experience with Node.js, Python, Go or Java, plus blockchain tech (Ethereum/Hyperledger), databases, RESTful APIs, and cloud platforms.

Qualifications

• Proven backend development experience with Node.js, Python, Go or Java.
• Experience with blockchain technologies and protocols (Ethereum, Hyperledger).
• Familiarity with smart contract development and integration.
• Strong SQL and NoSQL database knowledge.
• Experience with RESTful APIs and microservices architecture.
• Cloud platform knowledge (AWS, Azure, GCP).
• Understanding of blockchain security principles.
• Excellent problem-solving and debugging skills.
• Bachelor's degree in Computer Science, Engineering, or related field (or equivalent).
• Ability to work effectively in a hybrid team environment.

Responsibilities

• Develop and maintain backend services and APIs for blockchain apps.
• Integrate blockchain tech with existing enterprise systems and databases.
• Implement and optimize smart contracts and related backend logic.
• Ensure security, scalability, and performance of blockchain infrastructure.
• Collaborate with frontend developers and stakeholders to deliver solutions.
• Write clean, efficient, well-documented code.
• Troubleshoot and resolve backend and blockchain issues.
• Participate in code reviews and design discussions.
• Stay updated on blockchain and backend advances.

Skills

Backend development

Blockchain concepts

RESTful APIs

Microservices

Problem-solving

Education

Bachelor's degree in CS/Engineering or related field

Tools

Node.js

Python

Go

Java

Job description

About the Role

Our client is seeking a skilled Blockchain Developer with a strong backend focus to join their innovative team in Polokwane . This role will involve developing and maintaining the core infrastructure that powers our blockchain applications, ensuring scalability, security, and performance. You will work on integrating blockchain technology with existing systems and building robust APIs. This position operates under a hybrid model, allowing for both remote work and in-office collaboration at our Polokwane location. The ideal candidate possesses a solid understanding of backend development principles and a passion for decentralised technologies.

Key Responsibilities

• Develop and maintain backend services and APIs for blockchain applications.
• Integrate blockchain technology with existing enterprise systems and databases.
• Implement and optimize smart contracts and related backend logic.
• Ensure the security, scalability, and performance of blockchain infrastructure.
• Collaborate with frontend developers and other stakeholders to deliver complete solutions.
• Write clean, efficient, and well-documented code.
• Troubleshoot and resolve technical issues related to backend and blockchain systems.
• Participate in code reviews and contribute to architectural design discussions.
• Stay updated on the latest advancements in blockchain technology and backend development.

Requirements

• Proven experience in backend development using languages such as Node.js, Python, Go, or Java.
• Experience with blockchain technologies and protocols (e.g., Ethereum, Hyperledger).
• Familiarity with smart contract development and integration.
• Strong understanding of database technologies (SQL and NoSQL).
• Experience with RESTful APIs and microservices architecture.
• Knowledge of cloud platforms (AWS, Azure, GCP).
• Understanding of blockchain security principles.
• Excellent problem-solving and debugging skills.
• Bachelor's degree in Computer Science, Engineering, or a related field, or equivalent practical experience.
• Ability to work effectively in a hybrid team environment.

Benefits

• Our client offers a competitive salary and benefits package, including medical aid and a retirement plan.
• The hybrid work model provides flexibility, enabling you to balance remote work with collaborative sessions at our Polokwane office.
• We provide opportunities for professional growth through training, workshops, and conference attendance.
• You will be part of a dynamic team working on exciting and challenging projects within the rapidly evolving blockchain industry.
• We foster a culture of innovation and teamwork, providing a supportive environment for all employees.