Senior Backend Engineer – Instant Messaging Chat

Binance

full-time

Posted on: 1/14/2026

Location Type: Remote

Location: Singapore

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About the role

Lead the design and development of new instant messaging features, ensuring the system can handle high concurrency with strong performance, scalability, and reliability.
Build and maintain microservices based on Spring Cloud, including service discovery, configuration management, load balancing, and traffic governance.
Work with large-scale data pipelines to analyze and process message data, supporting product decisions and improving system efficiency.
Design and optimize storage and retrieval architectures for massive datasets, ensuring stable and efficient data operations.
Drive performance tuning, handle production incidents, and lead major refactoring efforts to improve overall system stability and throughput.

Hands-on experience building or maintaining instant messaging platforms such as WeChat, QQ, Telegram, WhatsApp, Slack, or similar real-time communication systems.
Strong proficiency in Java and Spring Boot, with familiarity in distributed systems.
Strong knowledge of Linux, microservices, distributed systems, Redis sharding, database sharding, Kafka, and MQ.
Proven ability to independently design and deliver a high-performance, high-throughput, and highly available backend system that has been successfully deployed in production.
Deep understanding of database storage engines, indexing, partitioning/sharding strategies, and real-world performance tuning practices.

Benefits

Competitive salary and company benefits
Work-from-home arrangement (the arrangement may vary depending on the work nature of the business team)

Tip: use these terms in your resume and cover letter to boost ATS matches.

JavaSpring Bootmicroservicesdistributed systemsLinuxRedis shardingdatabase shardingKafkaMQperformance tuning