Development Engineer at Manta Network

Job Description

Key Responsibilities

• Develop and optimize browser plugin wallets with a focus on security, performance, and user experience, including features like key management, transaction signing, and network connectivity.
• Create responsive and accessible Dapp web pages that align with product specifications and meet modern web standards (e.g., HTML5, CSS3, and accessibility guidelines).
• Implement front-end components using JavaScript/TypeScript, ensuring compatibility with both desktop and mobile browsers through progressive enhancement techniques.
• Collaborate with backend engineers to integrate wallet functionality with blockchain APIs, smart contracts, and decentralized infrastructure.
• Design and maintain scalable, modular codebases that support continuous integration and deployment pipelines for wallet development.
• Conduct code reviews, debug complex issues, and ensure the technical implementation adheres to best practices and security protocols.
• Stay updated on emerging web technologies, blockchain standards, and wallet development trends to drive innovation in product solutions.
• Document technical processes, APIs, and system architecture for wallet development to facilitate team collaboration and knowledge sharing.
• Perform user testing and gather feedback to refine wallet features and improve usability across different user scenarios.
• Ensure cross-browser compatibility and mobile responsiveness for all wallet-related applications and interfaces.

Job Requirements

• Proven experience (5+ years) in full-stack web development with a strong focus on front-end technologies, including JavaScript, TypeScript, and modern frameworks like React.
• Advanced proficiency in JavaScript/TypeScript, with hands-on experience in tooling ecosystems (e.g., Webpack, Babel, ESLint) and functional libraries (e.g., Redux, Axios, React Router).
• Strong understanding of Node.js development, including server-side logic, API design, and integration with blockchain platforms (e.g., Ethereum, Solana).
• Ability to produce high-quality, responsive web designs that adapt to various screen sizes and device capabilities while maintaining performance benchmarks.
• Excellent English communication skills, with the capacity to interpret and implement technical documentation, specifications, and research materials.
• Collaborative mindset with experience in agile development environments, including Scrum or Kanban methodologies for project management.
• Knowledge of blockchain fundamentals (e.g., cryptographic principles, consensus mechanisms) to ensure technical feasibility of wallet features.
• Experience with version control systems (e.g., Git) and CI/CD pipelines for automated testing and deployment of wallet applications.
• Strong problem-solving skills and attention to detail to ensure the reliability and security of wallet systems under high-traffic scenarios.
• Ability to work independently and as part of a team to deliver complex wallet development projects on time and within scope.
• Proficiency in UI/UX design principles to create intuitive and accessible interfaces for wallet users.
• Experience with cryptographic libraries and protocols to implement secure wallet functionalities.
• Understanding of decentralized systems and blockchain architecture to ensure seamless integration with distributed networks.
• Ability to analyze and resolve technical challenges related to wallet security, performance, and scalability.
• Excellent teamwork and communication skills to collaborate effectively with designers, product managers, and other engineers.