Blockchain Developer (Smart Contracts & dApps)

Placements24; Bloemfontein; On-site; ZAR 480,000 - 720,000; Full time

Benefits offered by this job

Competitive salary

Career growth opportunities

Job summary

Placements24 in Bloemfontein is seeking a Blockchain Developer to design, build, and deploy smart contracts and decentralized applications. You will work in a collaborative agile environment, contributing to all phases of the development lifecycle and staying ahead of evolving blockchain technologies.

The ideal candidate has hands-on experience with Solidity, dApps, and relevant frameworks, and can integrate contracts with interfaces and APIs while maintaining rigorous testing and documentation.

Qualifications

• Portfolio of smart contract and dApp projects required.
• Proficiency in Solidity and blockchain concepts.
• Experience with frameworks like Ganache/Truffle/Hardhat.
• Familiarity with Web3 libraries and cryptography basics.
• Good communication and teamwork skills.

Responsibilities

• Develop, test, and deploy secure smart contracts in Solidity.
• Build and maintain decentralized applications (dApps) and backend services.
• Integrate contracts with UI and external APIs.
• Optimize blockchain protocols and features.
• Conduct thorough testing and debugging of contracts and dApps.
• Collaborate with product and design teams to ship features.
• Stay updated with emerging blockchain technologies.
• Document technical designs and implementation details.

Skills

Solidity

Web3

Smart contracts

DApps

Problem solving

Teamwork

Education

Bachelor's degree in CS/Engineering

Tools

Ganache

Truffle

Hardhat

Web3.js

Ethers.js

Job description

About the Role

Our client, a dynamic fintech startup, is seeking a talented Blockchain Developer to contribute to the development of innovative decentralized applications. This exciting opportunity is based in Bloemfontein, Free State. The ideal candidate will have hands-on experience in designing, developing, and deploying smart contracts and dApps on blockchain platforms. You will work within a collaborative agile environment, contributing to all phases of the development lifecycle. This role is perfect for a motivated individual passionate about the potential of blockchain technology and eager to build cutting-edge solutions. We are looking for someone who can bring creative solutions to complex technical challenges and is excited about being part of a rapidly growing industry. Your contributions will be instrumental in shaping our product offerings and driving technological advancement.

Key Responsibilities

• Develop, test, and deploy secure and efficient smart contracts using Solidity.
• Build and maintain decentralized applications (dApps) and related backend services.
• Integrate smart contracts with user interfaces and external APIs.
• Implement and optimize blockchain protocols and features.
• Conduct thorough testing and debugging of smart contracts and dApps.
• Collaborate with designers, product managers, and other engineers to deliver high-quality products.
• Stay current with emerging blockchain technologies, tools, and best practices.
• Participate in code reviews and contribute to improving code quality.
• Troubleshoot and resolve technical issues in development and production environments.
• Document technical designs and implementation details.

Requirements

• Proven experience as a Blockchain Developer, with a portfolio showcasing smart contract and dApp development.
• Proficiency in smart contract programming languages, particularly Solidity.
• Solid understanding of blockchain concepts, including consensus mechanisms, cryptography, and token standards (ERC-20, ERC-721).
• Experience with blockchain development frameworks (e.g., Ganache, Truffle, Hardhat).
• Familiarity with web3 libraries (e.g., Web3.js, Ethers.js).
• Strong understanding of software development principles and best practices.
• Excellent problem-solving and analytical skills.
• Good communication and teamwork abilities.
• Bachelor's degree in Computer Science, Engineering, or a related field, or equivalent practical experience.
• Experience with other blockchain platforms or languages is a plus.

Benefits

Our client offers a competitive salary, comprehensive benefits package, and opportunities for career advancement in the burgeoning blockchain sector. This role in Bloemfontein, Free State, provides a chance to work on exciting projects and gain valuable experience in a fast-paced startup environment. We foster a culture of innovation and collaboration, offering continuous learning opportunities. Enjoy a supportive team and the satisfaction of building groundbreaking decentralized technologies. Join us in shaping the future of digital interaction and finance.