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Lead Systems Architect

2 months ago


Hong Kong, Central and Western District, Hong Kong SAR China WATI Full time

Wati is an innovative CPaaS (Communication Platform as a Service) provider, dedicated to enhancing business messaging solutions for both small and medium-sized businesses as well as large corporations. Our goal is to streamline business communication, starting with WhatsApp. Supported by prominent global investors such as Sequoia, DST Global, and Tiger Global, we proudly represent Shopify's inaugural investment in Asia. Furthermore, we are recognized as one of the leading Meta BSPs (Business Solution Providers) in the industry.

With a clientele of over 8000 customers across more than 100 countries, we embrace a remote-first work culture that emphasizes flexibility and inclusivity. Our diverse team collaborates across the globe to foster innovation and empower businesses through WhatsApp.

We are in search of a Senior Architect to enhance our R&D division. This pivotal role is essential for advancing our product development, crafting scalable solutions, and maintaining the highest standards of performance and reliability. The ideal candidate will possess extensive expertise in architectural design, a profound understanding of communication technologies, and a strong enthusiasm for innovation.

Key Responsibilities

1. Identify product challenges and spearhead architectural enhancements and implementations.

2. Enhance service performance within a cloud-native architecture, with a focus on middleware, databases, and application systems.

3. Design and architect large-scale distributed systems, including:

  • Databases capable of managing billions of messages
  • Systems that guarantee low latency message delivery (e.g., messages per second)

4. Create an enterprise service performance optimization framework utilizing cloud technologies.

5. Engage in technical operations and drive product iterations.

Qualifications

1. A Bachelor's degree or higher in a computer-related discipline with over 8 years of software development experience.

2. Proficient in MySQL and MongoDB.

3. Familiarity with other relational databases such as DM and PG, as well as NoSQL databases like Redis; capable of selecting the appropriate database for various scenarios.

4. Expertise in utilizing performance analysis and debugging tools to efficiently identify and analyze application service performance bottlenecks.

5. Proficient in programming languages such as Java, C#, or Go; solid grasp of computer theory and experience in virtual machine tuning.

6. Knowledgeable about middleware technologies such as Redis, MySQL, ZooKeeper, Kafka, ELK, etc.

7. Experienced in various design patterns and leading the development of large-scale distributed backend services, including strategies for current limiting, disaster recovery, and service downgrading.

8. Practical experience and optimization skills in microservice architecture within extensive cloud environments.

9. Familiarity with Linux, containers, and Kubernetes.

10. Understanding of network protocols such as TCP/IP and HTTP.

11. Preferably possesses experience with Instant Messaging (IM) systems, encompassing design, development, and maintenance.