Blockchain Developer

Placements24; Benoni; Hybrid; ZAR 600,000 - 1,200,000; Full time

Benefits offered by this job

Hybrid work arrangement

Competitive salary package

Professional growth opportunities

Energetic team culture

Job summary

Placements24 in Benoni, Gauteng, is seeking a Blockchain Developer to design, build and deploy core blockchain infrastructure, including smart contracts and dApps. You will work with Solidity, Go, and Rust, and collaborate with cross-functional teams to deliver secure, scalable solutions.

The role emphasizes hands-on coding, API development, and continuous learning in a fast-paced fintech space. A hybrid work setup and opportunities for growth are offered.

Qualifications

• Experience in blockchain development with focus on smart contracts and dApps.
• Proficiency in Solidity and familiarity with Ethereum ecosystem.
• Backend experience with Node.js, Python, or Go; strong data handling.
• Understanding of cryptography and consensus mechanisms.

Responsibilities

• Design, develop, and implement blockchain solutions including smart contracts and dApps.
• Write secure, efficient, well-documented code in Solidity, Go, or Rust.
• Collaborate with product teams to define features and user experiences.
• Integrate blockchain components with frontend and backend systems.
• Develop and maintain APIs for interacting with blockchain networks.
• Test and debug blockchain applications and smart contracts.
• Optimize code for performance, scalability, and cost-efficiency.
• Stay updated with blockchain tech and crypto trends.
• Participate in code reviews and establish development best practices.
• Troubleshoot and resolve issues in the blockchain ecosystem.

Skills

Blockchain development

Solidity

Go

Python

Node.js

Rust

web3.js

Git

Agile methodologies

Teamwork

Problem-solving

Communication

Education

Bachelor's degree in CS/Software Engineering

Tools

web3.js

Git

Ethereum

Job description

About the Role

Our client is a dynamic fintech startup focused on leveraging blockchain technology to revolutionize financial services. We are looking for a talented Blockchain Developer to join our growing team in Benoni, Gauteng . This is an exciting opportunity to contribute to the development of innovative decentralized applications and blockchain-based solutions. You will work alongside experienced professionals in a collaborative environment, playing a key role in designing, building, and deploying our core blockchain infrastructure. The ideal candidate is passionate about crypto, possesses strong coding skills, and is eager to learn and grow within a fast-paced industry.

Key Responsibilities

• Design, develop, and implement blockchain solutions, including smart contracts and decentralized applications (dApps).
• Write efficient, secure, and well-documented code in languages such as Solidity, Go, or Rust.
• Collaborate with product managers and designers to define features and user experiences.
• Integrate blockchain components with front-end and back-end systems.
• Develop and maintain APIs for interacting with blockchain networks.
• Conduct testing and debugging of blockchain applications and smart contracts.
• Optimize blockchain code for performance, scalability, and cost-effectiveness.
• Stay current with advancements in blockchain technology and cryptocurrencies.
• Participate in code reviews and contribute to establishing development best practices.
• Troubleshoot and resolve technical issues related to the blockchain ecosystem.

Requirements

• Proven experience as a Blockchain Developer or Software Engineer with a focus on blockchain.
• Proficiency in smart contract development (e.g., Solidity) and familiarity with blockchain platforms like Ethereum.
• Experience with backend development languages (e.g., Node.js, Python, Go) and database technologies.
• Understanding of core blockchain principles, cryptography, and consensus mechanisms.
• Familiarity with web3.js or similar libraries.
• Experience with Git and agile development methodologies.
• Strong analytical and problem-solving skills.
• Good communication and teamwork abilities.
• Bachelor's degree in Computer Science, Software Engineering, or a related field, or equivalent work experience.
• Eagerness to learn and adapt to new technologies in the fast-paced blockchain space.

Benefits

• Competitive salary package.
• Hybrid work arrangement offering flexibility.
• Opportunity to work on innovative fintech products.
• Professional growth and learning opportunities.
• Supportive and energetic team culture.
• Contribute to a company shaping the future of finance.
• Regular team events and social activities.