OKX is hiring a Application Architect, Java in Engineering — Hong Kong, Hong Kong SAR; Singapore, Singapore. The overview below is synthesized from the employer posting on job-boards.greenhouse.io: factual requirements and scope are preserved, but prose is rewritten with editorial context. Verify details and apply via the employer link.
Who We Are
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).
About The Team
Company context from the listing:
The Service Stability Engineering Team envisions service stability as one of the core competitive strengths of the company's products. By building end-to-end, link-level risk management capabilities, the team aims to achieve sustainable automatic identification and analysis of stability risks, transforming from "reactive governance" to "proactive governance." This approach shifts more stability-related matters forward and addresses them early, preventing issues before they arise and enhancing us
What You’ll Be Doing
- Oversee non-functional aspects of relevant business lines, closely collaborate with business units to ensure service stability.
- Based on data analysis, identify stability risks throughout the entire chain, detect unreasonable architectural designs in advance, uncover root causes of issues, and systematically address problems;
- Explore new technologies, tools, and architectural patterns, and promote the implementation of best practices in application architecture.
What We Look For In You
Experience and skills the team lists as required:
- Bachelor's degree or higher in Computer Science or a related field, with over 7 years of experience in development and architecture.
- Proficiency in Java, hands-on experience with the Spring Cloud microservices technology stack, solid computer science fundamentals, and a grasp of Linux, storage, and network I/O principles.
- Possess experience in high-concurrency distributed system architecture or high-concurrency scenario component design and development, with an understanding of Java concurrency libraries.
- Understanding of core Middleware technologies like Nginx, Redis, ElasticSearch, Kafka, MySQL, Docker and Kubernetes.
- In-depth understanding of the business architecture currently managed, along with a strong methodology for architectural design.
- Capable of rationalizing architectural designs for new business lines and providing targeted optimization suggestions.
Nice-To-Haves
- Proficiency in speaking, reading and writing in both English and Mandarin to collaborate effectively with global and cross-functional team members.
Perks & Benefits
What the posting highlights about the offer:
- 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 dependents
- More that we love to tell you along the process!
Notice:
All official OKX vacancies are published on this website. While roles may appear on selected third-party platforms from time to time, information on other sites may be inaccurate or outdated.
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Build a standout application
For the Application Architect, Java at OKX, reviewers look for concise evidence over buzzwords. Mirror the language of the posting sparingly, quantify support or delivery outcomes, and show how you handled ambiguity, time-zone collaboration and user empathy. Keep your resume to impact, keep your cover note to one page, and link to artifacts — tickets resolved, docs shipped, dashboards owned — that prove you can operate in a fast-moving Web3 team. Prepare to discuss a time you turned a confusing user report into a clear fix and how you measure quality in support and operations.
Web3 hiring values reliability: on-time follow-through, clear writing, and a track record of improving runbooks and tooling. Treat the application as a work sample. For interviews, be ready to walk through how you prioritize across time zones, handle a difficult user, and decide when to escalate versus resolve directly. Show how you document decisions so the next teammate benefits.
In a distributed Web3 org, trust builds through written clarity. Use the cover note to demonstrate it.