Senior Blockchain Developer (Smart Contracts Specialist)

Placements24; Midrand; Hybrid; ZAR 1,000,000 - 1,700,000; Full time

Benefits offered by this job

Health insurance

Retirement plans

Professional development

Hybrid work model

Office in Midrand

Job summary

Placements24 is seeking a Senior Blockchain Developer to join their team in Midrand, Gauteng. You will design, develop, and deploy secure smart contracts and backend services that interact with blockchain networks.

The role requires 5+ years of blockchain experience, proficiency in Solidity and Rust, and familiarity with Hardhat, Truffle or Foundry. The company supports hybrid work, health insurance, and ongoing professional development.

Qualifications

• Bachelor's or Master's degree in Computer Science, Engineering, or a related field, or equivalent practical experience.
• 5+ years of blockchain development experience with smart contracts (Solidity, Rust).
• Deep understanding of blockchain, DLT, and cryptography.
• Experience with Hardhat, Truffle, Foundry.
• Backend languages and databases (Node.js, Python, Go).
• Familiarity with Web3 libraries (Web3.js, Ethers.js).
• Strong analytical and problem-solving skills.
• Excellent communication and teamwork abilities.
• Experience with audit processes and security best practices for smart contracts.

Responsibilities

• Design, develop, and deploy secure and efficient smart contracts on various blockchain platforms.
• Conduct code reviews and security audits for smart contracts to identify vulnerabilities.
• Collaborate with product managers, designers, and engineers to translate requirements into technical solutions.
• Develop and maintain robust APIs and backend services that interact with blockchain networks.
• Write comprehensive unit and integration tests for code quality.
• Stay updated on blockchain technology developments and best practices.
• Mentor junior developers and share knowledge within the team.
• Participate in architectural discussions and contribute to technical strategy.

Skills

Blockchain development

Smart contract programming

Solidity

Rust

Backend development

Node.js

Python

Go

Web3 libraries

Audit processes

Education

Bachelor's or Master's in CS/Engineering

Tools

Hardhat

Truffle

Foundry

Job description

About the Role

Our client, a cutting-edge innovator in the decentralized finance space, is seeking a highly skilled and motivated Senior Blockchain Developer to join their dynamic team. This role is crucial for the continued development and deployment of secure, scalable, and high-performance decentralized applications. You will be instrumental in shaping the future of our blockchain ecosystem, contributing to projects that redefine financial interactions. This is an exciting opportunity for a seasoned professional to make a significant impact within a rapidly evolving industry. The ideal candidate thrives in a collaborative environment and possesses a deep understanding of blockchain architecture and smart contract development. We are looking for a proactive individual eager to tackle complex challenges and push the boundaries of what's possible in Midrand, Gauteng.

Key Responsibilities

• Design, develop, and deploy secure and efficient smart contracts on various blockchain platforms (e.g., Ethereum, Binance Smart Chain).
• Conduct rigorous code reviews and security audits for smart contracts to identify and mitigate potential vulnerabilities.
• Collaborate with product managers, designers, and other engineers to translate business requirements into technical solutions.
• Develop and maintain robust APIs and backend services that interact with blockchain networks.
• Write comprehensive unit and integration tests to ensure the quality and reliability of developed code.
• Stay abreast of the latest developments in blockchain technology, consensus mechanisms, and smart contract best practices.
• Mentor junior developers and contribute to knowledge sharing within the team.
• Participate in architectural discussions and contribute to the overall technical strategy.

Requirements

• Bachelor's or Master's degree in Computer Science, Engineering, or a related field, or equivalent practical experience.
• Proven experience (5+ years) in blockchain development, with a strong focus on smart contract programming (Solidity, Rust, etc.).
• Deep understanding of blockchain principles, distributed ledger technology, and cryptographic concepts.
• Experience with development frameworks and tools such as Hardhat, Truffle, or Foundry.
• Proficiency in backend development languages (e.g., Node.js, Python, Go) and database technologies.
• Familiarity with Web3 libraries and tools (e.g., Web3.js, Ethers.js).
• Strong analytical and problem-solving skills.
• Excellent communication and teamwork abilities.
• Experience with audit processes and security best practices for smart contracts.

Benefits

• Our client offers a competitive compensation package, including a generous salary and potential for performance-based bonuses.
• You will have access to comprehensive health insurance and retirement savings plans.
• We provide opportunities for continuous professional development, including access to industry conferences and training programs.
• Enjoy a flexible working environment with a hybrid model, allowing for a balance between in-office collaboration and remote work.
• Be part of a forward-thinking company culture that values innovation, collaboration, and employee growth.
• Additional perks include team-building events and a vibrant office space in Midrand, Gauteng.