Senior Staff Engineer

5 days ago

Singapur, Singapore NEAR Full time

OKX will be prioritising applicants who have a current right to work in Singapore, and do not require OKX's sponsorship of a visa

About OKX

At OKX, we believe that the future will be reshaped by crypto, and ultimately contribute to every individual's freedom. OKX is a leading crypto exchange, and the developer of OKX Wallet, giving millions access to crypto trading and decentralized crypto applications (dApps). OKX is also a trusted brand by hundreds of large institutions seeking access to crypto markets. We are safe and reliable, backed by our Proof of Reserves. Across our multiple offices globally, we are united by our core principles: We Before Me , Do the Right Thing , and Get Things Done . These shared values drive our culture, shape our processes, and foster a friendly, rewarding, and diverse environment for every OK-er. OKX is part of OKG, a group that brings the value of Blockchain to users around the world, through our leading products OKX, OKX Wallet, OKLink and more.

About the Team

The Messaging & Notification team is responsible for building and maintaining the company’s messaging platform, covering in-house instant messaging (IM) systems, email, SMS, and push notifications. We support many business lines growth with reliable and scalable user reach capabilities.

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.

Requirements

Bachelor’s degree or above in Computing.

At least 8 years of backend engineering experience.

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.

Perks & 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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