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Senior/Staff Engineer - Messaging & Notification

OKX
Singapore
Full time

Overview

Department

Engineering

Job type

Full time

Compensation

Salary not specified

Location

Singapore, Southeast Asia

Company size

Mature [ 50+ employess ]

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OKX is seeking a Senior/Staff Engineer to design, develop, and optimize core components of their messaging platform. This role involves working with IM systems, email, SMS, and push notifications, ensuring high availability and scalability.

Requirements

  • Bachelor’s degree or above in Computing.
  • Solid foundation in Java programming, with in-depth understanding of JVM tuning, I/O, multithreading, concurrency frameworks, data structures, algorithms, and design patterns.
  • Familiar with commonly used middleware such as MQ, RPC frameworks, caching, and databases; experience with production-level issue troubleshooting and performance tuning.
  • Strong knowledge of microservices and distributed system architecture and principles (e.g., service discovery, tracing, CAP theorem, consistency models).
  • Clear logic, fast learner, strong problem-solving and communication skills.
  • Experience working on high-throughput and low-latency systems is a strong plus.

    • Responsibilities

  • Design, develop, and optimize core components of the messaging platform, including IM, email, SMS, and push notification systems.
  • Continuously improve the architecture and performance of the messaging infrastructure to ensure high availability, scalability, and low latency, in-line with business growth.
  • Troubleshoot and resolve complex issues in production environments, ensuring system robustness and reliability.
  • Collaborate closely with product managers, QA engineers, and SREs to deliver high-quality features and solutions.

    • Benefits

  • Competitive total compensation package
  • L&D programs and Education subsidy for employees' growth and development
  • Various team building programs and company events
  • Wellness and meal allowances
  • Comprehensive healthcare schemes for employees and dependants
  • More that we love to tell you along the process!
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