Database Administrator (DBA)

About JD.com

JD.com (NASDAQ: JD; HKEX: 9618), also known as JINGDONG, is a leading supply chain-based technology and service provider. The company’s cutting‑edge retail infrastructure seeks to enable consumers to buy whatever they want, whenever and wherever they want it. JD.com’s business has expanded across retail, technology, logistics, health, industrials, property development and international business. JD.com is ranked 44th on the Fortune Global 500 list and is China’s largest retailer by revenue, serving over 600 million annual active customers.

JD.com is committed to creating a diverse environment and is proud to be an equal‑opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status.

JD.com is seeking a skilled and experienced Database Administrator (DBA) to join our infrastructure team based in London. You will be responsible for designing, operating, and optimizing our database infrastructure to support scalable, high‑performance, and highly available systems. The cross‑functional partnering teams are local technical teams and technical teams in China.

Key Responsibilities

• Lead the strategic design and optimization of scalable, high-performance database architectures for diverse business needs (e.g., MySQL, Redis, TiDB).
• Own day-to-day database operations across MySQL, Redis, TiDB, ensuring stability, performance, security, and smooth lifecycle management under high concurrency.
• Build and enhance end-to-end monitoring and alerting solutions using tools like Prometheus and Grafana to enable rapid detection and resolution of issues.
• Lead cross-platform database migrations and data synchronization initiatives, ensuring data integrity, consistency, and minimal service impact.
• Continuously explore emerging database technologies and share best practices through internal knowledge-sharing and documentation.
• Work closely with engineering, product, and DevOps teams to resolve database-related challenges and support project delivery.

Minimal Qualifications

• Bachelor’s degree or higher in Computer Science, Software Engineering, or a related discipline.
• 3+ years of professional DBA experience in internet or technology-driven environments, with hands‑on experience in both on‑premises and cloud database systems.
• In-depth knowledge of mainstream database platforms (e.g., MySQL, Redis, TiDB), including internal architecture and advanced performance tuning techniques.
• Proficient in scripting and automation using Python, Golang, and/or Shell.
• Proven ability to design, deploy, and optimize database monitoring and observability systems independently.
• Fluency in Mandarin Chinese and English.

Preferred Qualifications

• Basic front-end development skills.
• Work experience in large-scale multinational tech companies.
• Experience in e-commerce industry in Europe.

What We Offer

• A dynamic and challenging work environment in a leading global e-commerce company.
• The opportunity to work with a diverse international team and to make a significant impact on JD.com’s global presence.
• Competitive salary and benefits package, including health insurance, retirement plans, and performance bonuses.