Blockchain Software Engineer

Placements24; Bloemfontein; On-site; ZAR 248,000 - 441,000; Full time

Benefits offered by this job

Competitive contractor rate

Mentorship

Hands-on blockchain experience

Office-based environment

Job summary

Placements24 in Welkom is looking for a Blockchain Software Engineer to design, develop, and maintain robust blockchain applications and smart contracts. You will join a mission-driven team in an office-based environment, contributing to high-impact crypto projects.

You will work on Solidity smart contracts, dApps, backend services, and APIs, collaborating with product managers and engineers to translate complex requirements into scalable technical solutions.

Qualifications

• Bachelor's degree in CS, Engineering, or related field.
• 2+ years software development experience, with at least 1 year in blockchain.

Responsibilities

• Develop, test, and deploy smart contracts on platforms like Ethereum or Binance Smart Chain.
• Build and maintain dApps and backend services that interact with blockchain networks.
• Integrate blockchain with existing enterprise systems and third‑party APIs.
• Collaborate with product managers and engineers to define requirements and translate them into technical solutions.
• Write clean, well-documented code following best practices for blockchain development.
• Participate in code reviews, performance optimization, and security analysis.

Skills

Solidity

JavaScript

Python

Go

Blockchain concepts

Git

Agile

Education

Bachelor's degree in Computer Science or related field

Tools

Ethereum

Binance Smart Chain

Job description

About the Role

Our client is seeking a talented and results-oriented Blockchain Software Engineer to join their team in Welkom . This role involves designing, developing, and maintaining robust blockchain applications and smart contracts. You will be an integral part of a dedicated team focused on delivering innovative solutions within the rapidly evolving crypto and blockchain landscape . This position offers a unique opportunity to contribute to high-impact projects and work with cutting-edge technologies in a collaborative, office-based environment.

Key Responsibilities

• Develop, test, and deploy smart contracts on various blockchain platforms using languages such as Solidity.
• Build and maintain decentralized applications (dApps) and backend services that interact with blockchain networks.
• Integrate blockchain technology with existing enterprise systems and third-party APIs.
• Collaborate with product managers and other engineers to define requirements and translate them into technical solutions.
• Write clean, efficient, and well-documented code, adhering to best practices for blockchain development .
• Participate in code reviews, performance optimization, and security analysis of blockchain applications.

Requirements

• Bachelor's degree in Computer Science, Engineering, or a related field.
• 2+years of professional experience in software development, with at least 1 year focusing on blockchain technology .
• Hands‑on experience in smart contract development and deployment on platforms like Ethereum or Binance SmartChain.
• Proficiency in programming languages commonly used in blockchain (e.g., Solidity, JavaScript, Python,Go).
• Familiarity with blockchain concepts, architectures, and consensus mechanisms.
• Experiencewith version control systems (e.g., Git) and agile development methodologies.

Benefits

• Competitive contractor rate with potential for project extensions.
• Opportunityto work on exciting and innovative projects in the blockchain and cryptocurrency sector .
• Gain hands‑on experience with leading blockchain technologies and platforms.
• Access to a collaborative team environment and professional mentorship.
• Potentialfor involvement in future projects within the company's growing portfolio.