Software Engineer - Real-time Chat Platform at SendBird
Seoul, KR
The engineering team at SendBird is solving some of the biggest challenges related to building 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 user-bases 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 the difficult problems of our customers, and make it as easy as possible for them to harness the power of real-time chat.
Roles & Responsibilities
  • Build a large scale distributed and scalable real-time messaging service
  • Design simple, intuitive API to solve complex architectural problems
  • Write customer-centric documentation on API and messaging services
  • Architect and build efficient servers on our globally distributed infrastructure
  • Deploy and operate server clusters within a cloud environment
Key Qualifications
  • Working knowledge of Python or Java
  • 2+ years of experience developing, shipping, and maintaining real-time systems is ideal but not a must
  • Understanding of multi-threading and high performance distributed architecture
  • 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 resource constraints; understands under-engineering and over-engineering concepts
Bonus Points
  • Experience working on real-time chat/messaging system
  • Experience handling massive concurrent connections and processing large-scale traffic
  • Understanding of Unix/Linux systems
  • Understanding of Python, Java, and Event-Driven Frameworks
  • Understanding of TCP/IP and network programming
  • Understanding of RDBMS, NoSQL and distributed databases
  • Understanding of server virtualization, global infrastructures, load balancing, and handling massive data traffic
  • Awards from programming competitions (e.g., ACM ICPC, IOI, etc.)
ABOUT SENDBIRD
 
SendBird is the world's leading chat & messaging platform as a service. We are a global team on a mission to revolutionize how people communicate digitally. Our platform delivers billions of messages per month to help people connect through the products and apps they love.
 
We're a Y Combinator alumnus (W16) and have raised over $71M from leading investors including ICONiQ Capital, Shasta Ventures, August Capital, and FundersClub. The company is global with a headquarters in San Mateo (30+ people) and an Asia-Pacific headquarters in Seoul (45+ people).