-5+ years of career experience-Proven experience in designing scalable, reliable, and maintainable backendsystems.-Ability to architect complex systems and services using microservicesarchitecture.-Strong understanding of distributed systems and how to build high-performance, scalable services.-Experience with API design and development, including RESTful and/orGraphQL APIs.-Extensive experience with Node.js for server-side development.-Strong understanding of asynchronous programming and its quirks andworkarounds.-Experience with NoSQL databases-Experience with cloud platforms such as AWS, Azure, or Google Cloud.-Familiarity with serverless architecture and functions.-Understanding of message brokers and queues such as Kafka