- Responsible for analyzing, designing Backend and giving optimal solutions for Server systems - Designing the database system, building APIs according to the business specifications - Optimize processing of API, calculate load bearing on millions of products

1. Proficient in Java - Strong in Java development (including Threads, Networks, Collections, IO, Restful etc.) - Strong in Spring boot, ORM 2. General qualification - At least two years developing/architecturing from medium to large system - Experiences in using: Postgresql, MongoDB. - Experiences in using either caching like Redis, Hazel Cast. - Experiences in Elastic Search stack - Experience in developing with MQTT, Kafka, Apache Pulsar - Having knowledge in micro service architect - Ability to architect the system - Optimizing database is a plus - Proactive attitude and good communication skills - Having cloud architecture is a plus (like Google, Amazon) - Having IoT knowledge is a plus - Having AI/Bigdata skills is a plus - Reactive/Actor model programming is a plus

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