**Senior - What you will be doing**: - Develop server-side backend services in Node.js that powers the core functionality and business logic of all productsDesign high performance database schema and optimize performance on large scale distributed databases- - Continuously enhance the app with the latest backend development processes and standards to enhance productivity, code quality, and team collaboration- - Actively participate in Agile development processes, including sprint planning, daily stand-ups, and retrospectives, to ensure efficient project delivery.- - Use modern DevOps tools and automate everything with Docker and our Kubernetes clusters- - Lead code reviews, knowledge sharing sessions, and mentor team mates to enhance the skills and growth of the team.**Senior Level - Requirements**: - Deep expertise in Node.js and familiar with GraphQL - Developed tracking and monitoring of existing systems - Designed scalable backend systems for handling high volumes of traffic - Solid understanding of secure SDLC, Familiarity with agile development methodologies and participating in agile ceremonies (e.g., stand-ups, retrospectives). - Sound coding practices with tools such as Docker, Git, unit testing, CI/CD, service-oriented architecture - Experience performing optimizations for high volume requests, Hands-on experience with database optimizations - Experience with Cloud services like Amazon Web Services, GCP, Aliyun - Experience guiding and mentoring team members, providing technical guidance, code reviews, and support to foster their growth and enhance their technical skills. - Extensive experience in communicating with stakeholders to deeply understand product roadmaps, gather requirements, and provide technical insights and recommendations. **Middle Level - Requirements**: - Deep expertise in Node.js- - Familiar with GraphQL- - Sound coding practices with tools such as Docker, Git, unit testing, CI/CD, service-oriented architecture- - Developed tracking and monitoring of existing systems- - Personal experience with database optimization- - Worked extensively with queue management- - Solid understanding of secure SDLC- - Demonstrable ability to document code, system architecture, and technical decisions for knowledge sharing and maintainability.- - Excellent communication and collaboration skills, with the ability to work effectively within cross-functional teams.- - A proactive and self-motivated attitude, with a strong desire to learn and stay updated on emerging backend technologies and industry trends.