Blockchain Developer (Smart Contracts & DeFi)

Placements24; Johannesburg; Híbrido; ZAR 700.000 - 1.200.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Hybrid work model

Medical aid and retirement fund

Generous paid time off

Token-based incentives

Descripción de la vacante

Placements24 in Johannesburg is seeking a Blockchain Developer with a focus on Smart Contracts and DeFi to design, develop, and deploy secure contracts on Ethereum-compatible platforms.

You will work in a hybrid setup, collaborating with product managers and front-end developers to build next-generation financial applications, leveraging Solidity, Hardhat or Truffle, and staying ahead of DeFi trends.

Formación

• Bachelor's degree in Computer Science, Software Engineering, or a related technical field.
• Proven experience as a Blockchain Developer with a strong focus on smart contract development.
• Proficiency in Solidity and experience with smart contract development frameworks (e.g., Hardhat, Truffle).
• Deep understanding of DeFi concepts, protocols (e.g., AMMs, lending protocols, stablecoins), and ecosystems.
• Familiarity with blockchain architecture, consensus mechanisms, and cryptographic principles.
• Experience with version control systems (e.g., Git).
• Knowledge of front-end technologies (React, Vue.js) and Web3 libraries is a plus.
• Strong analytical and problem-solving skills.
• Excellent communication and teamwork abilities.
• Passion for decentralized technologies and the crypto space.
• Experience working in Johannesburg or with South African regulatory considerations is beneficial.

Responsabilidades

• Designing, developing, testing, and deploying secure smart contracts (Solidity, Vyper, etc.) on blockchain platforms like Ethereum, Polygon, or Binance Smart Chain.
• Developing and integrating with various DeFi protocols and services.
• Writing comprehensive unit and integration tests for smart contracts.
• Optimizing smart contracts for gas efficiency and security.
• Collaborating with front-end developers to integrate smart contracts with user interfaces.
• Researching and implementing new blockchain technologies and DeFi trends.
• Participating in code reviews to ensure code quality and security standards.
• Troubleshooting and debugging smart contract and dApp issues.
• Contributing to technical documentation and architectural decisions.
• Staying current with the rapidly evolving blockchain and DeFi landscape.

Conocimientos

Solidity

Smart contract development

DeFi protocols

Web3 libraries

Frontend basics

Git

React

Vue.js

Cryptography basics

Analytical thinking

Teamwork

Excellent communication

Educación

Bachelor's degree in Computer Science/Software Engineering

Herramientas

Hardhat

Truffle

Web3.js

Metamask

Descripción del empleo

About the Role

Our client, a forward-thinking innovator in the Crypto & Blockchain space, is seeking a talented Blockchain Developer specializing in Smart Contracts and Decentralized Finance (DeFi). This hybrid role, based in the bustling financial hub of Johannesburg, Gauteng, offers a dynamic work environment where you will design, develop, and deploy secure and efficient smart contracts on various blockchain platforms. You will be at the forefront of building next-generation financial applications, contributing to groundbreaking projects that are reshaping the future of finance. The ideal candidate possesses a strong background in Solidity or other smart contract languages, a deep understanding of DeFi protocols, and a passion for decentralized technologies. You will collaborate closely with product managers, designers, and other developers to bring innovative blockchain solutions to life. Our client values technical excellence, a proactive approach, and a commitment to pushing the boundaries of what's possible in the decentralized world, offering significant growth opportunities within the Johannesburg tech scene.

Key Responsibilities

• Designing, developing, testing, and deploying secure smart contracts (Solidity, Vyper, etc.) on blockchain platforms like Ethereum, Polygon, or Binance Smart Chain.
• Developing and integrating with various DeFi protocols and services.
• Writing comprehensive unit and integration tests for smart contracts.
• Optimizing smart contracts for gas efficiency and security.
• Collaborating with front-end developers to integrate smart contracts with user interfaces.
• Researching and implementing new blockchain technologies and DeFi trends.
• Participating in code reviews to ensure code quality and security standards.
• Troubleshooting and debugging smart contract and dApp issues.
• Contributing to technical documentation and architectural decisions.
• Staying current with the rapidly evolving blockchain and DeFi landscape.

Requirements

• Bachelor's degree in Computer Science, Software Engineering, or a related technical field.
• Proven experience as a Blockchain Developer with a strong focus on smart contract development.
• Proficiency in Solidity and experience with smart contract development frameworks (e.g., Hardhat, Truffle).
• Deep understanding of DeFi concepts, protocols (e.g., AMMs, lending protocols, stablecoins), and ecosystems.
• Familiarity with blockchain architecture, consensus mechanisms, and cryptographic principles.
• Experience with version control systems (e.g., Git).
• Knowledge of front-end technologies (React, Vue.js) and Web3 libraries is a plus.
• Strong analytical and problem-solving skills.
• Excellent communication and teamwork abilities.
• Passion for decentralized technologies and the crypto space.
• Experience working in Johannesburg or with South African regulatory considerations is beneficial.

Benefits

• Highly competitive salary and potential for token-based incentives.
• Hybrid work model offering flexibility and work-life balance.
• Comprehensive medical aid and retirement fund benefits.
• Generous paid time off and holiday leave.
• Opportunities for professional growth and attending industry conferences.
• Work on cutting-edge projects in the rapidly growing Crypto & Blockchain sector.
• Collaborative and innovative work culture.
• Exposure to the exciting fintech landscape in Gauteng.