Database Engineer Intern

Job Responsibilities

• Maintaining scalable, reliable, and robust production database environments.
• Monitoring for problems and diagnosing and addressing those problems as needed.
• Performance tuning, query optimization, and index tuning.
• Building database tools and scripts to simplify, automate, to reduce operation toil.
• Responsible for working with development teams and engineers to provide a database design guidance.
• Handling Database upgrades and migrations, while monitoring and improving database performance.
• Triage and solve database issues, drive incidents until resolution and employ measures to prevent recurrence.
• Do capacity planning benchmarking on various databases.
• Provide assessments of data integrity, high availability, data security, and privacy.

Job Requirements

• This role is applicable only to 2026 graduates (the graduation date must be prior to November 1, 2026).
• Bachelor's degree in Computer Science or Information Systems or equivalent technical discipline.
• MySQL specific database experience.
• Experience using Azure or any other cloud provider.
• A solid understanding of distributed/replicated database topologies.
• Systematic problem-solving approach, combined with a sense of ownership and drive.
• Track record monitoring and analyzing system performance, isolating issues or bottlenecks that could impact reliability, performance and scalability.
• Good understanding of Linux system, ability to deploy open-source software independently.
• Proficient in more than one scripting language (golang/python/shell, etc.).
• A strong desire to be challenged by problems of scale and complexity to make our service better for our customers.
• The ability to remain calm in the face of extreme crises.
• Good verbal and written communication skills, and be able to work effectively with geographically remote teams.
• AI Competency Requirements (Junior MySQL Operations Engineer):
  • Familiar with mainstream AI coding assistants (e.g., Claude Code, ChatGPT, Gemini) and able to leverage them for day-to-day operations tasks such as SQL optimization suggestions, troubleshooting, and documentation generation.
  • Capable of writing effective prompts and iteratively refining them based on model outputs.
  • Aware of AI model limitations and maintains a habit of manually validating results.
  • Has hands-on experience using AI tools to address real MySQL operations scenarios, such as slow query analysis, parameter tuning recommendations, and incident diagnosis assistance.
  • Understands the fundamentals of RAG (Retrieval-Augmented Generation) and is able to structure database operations knowledge into AI-consumable formats, such as knowledge bases, tuning case libraries, and FAQ documents.
  • Exposure to AI application frameworks such as LangChain or LlamaIndex, or has basic experience with vector databases (e.g., Qdrant, pgvector).
  • Understands the basics of MCP (Model Context Protocol) integration and is familiar with how AI Agents interact with external tools.
  • Maintains a habit of organizing day-to-day operations experience into structured documents or prompt templates for team-wide sharing and reuse.
• Nice to Have:
  • Fluency in Mandarin.
  • Experience managing MySQL / Percona Server 8 at scale.
  • Experience managing distributed database, like Clickhouse, Hbase, MongoDB and Starrocks etc.
  • Experience with Percona tools, Orchestrator, Ghost etc.

Benefits And Perks

• Employee discounts
• Free weekly catered lunch
• Dog-friendly office (available at select locations)
• Free gym access (available at select locations)
• Free swag giveaways
• Annual Holiday Party
• Invitations to pop-ups and other company events
• Complimentary daily office snacks and beverages