SendBird
developer-apis developer-tools messaging chat
Seoul

Back-end Web Engineer | Seoul

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At SendBird, we are building the most scalable and powerful chat API in the world. We have customers from over 150 countries around the world serving a truly wide-range of use cases across communities, marketplaces, on-demand services, games, and ecommerce. We are working with some of the hottest (and the toughest) customers in every industry, and since graduating Y Combinator in 2016, SendBird has become one of the fastest growing startup in Silicon Valley. SendBird is headquartered in Redwood City, California and has its APAC office in Seoul, South Korea. The engineering team at SendBird is solving some of the biggest challenges related to building a reliable, feature-rich, and scalable real-time conversational experiences across different platforms. The challenges range from building a platform that can scale to some of the largest userbase across distributed environments with optimal latency, creating a feature-rich, yet lightweight and high performance client-side SDK, and building products and services that can help customers incorporate real-time conversational technologies more rapidly. You will be participating in building the best real-time conversational products and solutions possible. You are expected to learn and expand on your engineering knowledge and experiences to build a world-class product that solves difficult problems of our customers, and make it as easy as possible for the customers to harness the power of real-time chat.
  • Design and implement backend RESTful API of SendBird website, dashboard, and all web related products
  • Deploy and operate server clusters within a cloud environment
  • At least 2 years of experience developing, shipping, and maintaining back-end web applications
  • Proficient in Python and Django or equivalents
  • Expert level knowledge of running RDBMS or NoSQL as well as writing complex SQL
  • Expert level knowledge of running servers on cloud platform with Nginx or equivalents
  • Basic knowledge of front-end web technologies
  • Able to work independently and drive results
  • Ability to find the root cause of problems with a minimal set of information and data points
  • Ability to find the optimal solution given the resource constraints, and understands the concepts of under-engineering and over-engineering
  • Wide range of experience from the front-end to the back-end
  • Experience in various languages and frameworks
  • Experience participating in product design and architecture
  • Awards from programming competitions (e.g., ACM ICPC, IOI, etc.)
  • English proficiency for business collaboration
  • Work with this stack
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