Blockchain Engineer at PublicAI

Job Description

Key Responsibilities

• Develop and maintain backend API services for off-chain applications, ensuring scalability, reliability, and performance.
• Design, implement, and deploy smart contracts on blockchain platforms such as Ethereum (EVM) and Rust-based systems.
• Collaborate with cross-functional teams to integrate on-chain and off-chain components effectively.
• Write and test smart contract code using Solidity, Rust, and other relevant languages.
• Optimize API performance and ensure secure, efficient, and compliant blockchain interactions.
• Participate in code reviews and contribute to the improvement of existing systems.
• Document technical specifications and maintain clear communication with stakeholders about project progress and challenges.
• Stay updated on blockchain technologies, industry trends, and best practices to enhance system capabilities.
• Debug and resolve complex technical issues across both backend and smart contract environments.
• Support the deployment and maintenance of blockchain-based solutions in production environments.

Job Requirements

• Proficient in backend development with experience in building APIs for off-chain applications (e.g., RESTful APIs, GraphQL interfaces).
• Strong knowledge of smart contract development, including Ethereum (EVM) and Rust-based frameworks (e.g., ink! or Substrate).
• Excellent understanding of blockchain platforms, tools, and protocols such as Solidity, Rust, and Ethereum Virtual Machine (EVM).
• Experience with version control systems like Git and collaborative development practices in agile environments.
• Excellent problem-solving skills and the ability to debug complex systems with high precision.
• Strong communication skills to collaborate with teams and stakeholders effectively.
• Ability to work independently and manage multiple tasks simultaneously under tight deadlines.
• Knowledge of cryptographic principles and security best practices for blockchain development.
• Experience with decentralized application (dApp) architecture and integration with front-end systems.
• Proficiency in programming languages such as Python, JavaScript, and Go for backend development.
• Understanding of blockchain consensus mechanisms and network protocols.
• Ability to analyze system requirements and translate them into technical solutions.
• Experience with DevOps tools and CI/CD pipelines for automated testing and deployment.
• Strong attention to detail and commitment to writing clean, maintainable code.
• Knowledge of blockchain scalability solutions and optimization techniques.
• Ability to work with stakeholders to define project scope and deliverables.
• Experience with blockchain analytics and monitoring tools for system performance evaluation.
• Proficiency in using blockchain development frameworks and libraries.
• Understanding of blockchain governance models and compliance requirements.