Backend Engineer

Summary

The company is seeking a skilled Backend Engineer with experience in NodeJs server frameworks like Nest.js, SQL Databases, Web3 knowledge of EVM for a 3-6 month contract position. The engineer will be responsible for backend development, Web3 integration, database management, API development, performance optimization, security and compliance, testing, troubleshooting, documentation, and knowledge sharing.

Requirements

• 4+ years of experience as a backend engineer building and maintaining scalable systems
• Bachelor's or Master's degree in Computer Science, Software Engineering, or a related field, or equivalent professional experience
• Backend development experience using Nest.js, TypeScript
• Strong database management skills, including experience with SQL and/or NoSQL databases
• English is your native language
• Experience with system design and architecture
• Strong critical thinking and problem-solving skills, attention to detail, proactiveness, and a passion for delivering high-quality solutions
• Expertise in easy frontend integration to backend APIs
• Expertise in Web3 technologies, including blockchain integration (EVM, Solana, Near, etc.), wallet connectivity, and smart contract interactions
• Knowledge of security best practices and experience implementing security measures in backend systems
• Familiarity with caching mechanisms, performance optimization techniques, and monitoring tools
• Excellent problem-solving skills and the ability to troubleshoot and debug complex issues
• Effective communication and teamwork skills, with the ability to collaborate with cross-functional teams
• Commitment to staying updated with industry trends and emerging technologies in both backend development and Web3 integration

Responsibilities

• Design, develop, and maintain backend systems
• Collaborate with cross-functional teams to translate frontend requirements into efficient and effective server-side functionality
• Write clean, maintainable, and well-documented code while adhering to coding standards and best practices
• Participate in code reviews to maintain code quality and consistency
• Leverage expertise in Web3 technologies, including blockchain integration (EVM, Solana, Near, etc.), to enable seamless interaction between our applications and decentralized networks
• Develop and maintain Web3-specific functionalities such as wallet connectivity, smart contract interactions, and decentralized identity
• Create and optimize database schemas and queries for SQL and NoSQL databases to efficiently store and retrieve data
• Implement data migration and transformation processes as needed to support application functionality
• Develop and maintain RESTful APIs, ensuring they meet the requirements of both internal and external stakeholders
• Integrate third-party APIs and services to enhance application capabilities and functionality
• Identify and address performance bottlenecks in the backend systems, optimizing response times and resource utilization
• Implement caching mechanisms and other strategies to improve system performance
• Implement security best practices to protect against common web application vulnerabilities, such as SQL injection, cross-site scripting (XSS), and data breaches
• Ensure compliance with relevant data protection and privacy regulations, such as GDPR or HIPAA, as applicable
• Writing unit, integration, and end-to-end tests
• Debug and resolve backend issues and incidents, collaborating with the team to identify root causes and implement solutions
• Develop and maintain logging and monitoring systems to proactively identify and address potential issues