Database Administrator

About the role

Webull is a cloud-native fintech leader, with our global trading platform powered by AWS. As we continue to expand our brokerage platform and technology infrastructure, we are seeking a Database Administrator who brings deep database expertise and a strong understanding of cloud-native technologies. In this role, you will work closely with development teams to design, implement, and optimize highly scalable and reliable database solutions using AWS managed services. You will play a key role in integrating database performance optimization and architectural best practices early in the software development lifecycle, ensuring our systems can support the demands of a high-volume, real-time trading environment.

Responsibilities

• Collaborate with developers to design and deploy data-intensive OLTP applications leveraging AWS RDS (MySQL/Aurora) and Amazon DocumentDB.
• Act as the Subject Matter Expert (SME) for query optimization, advanced indexing, and schema design to ensure sub-millisecond latencies for our global trading services.
• Lead the evaluation and implementation of purpose-built databases (e.g., Amazon Neptune for graph data, Elasticsearch/OpenSearch for search) based on business needs.
• Partner with performance engineers to conduct rigorous stress tests and "Game Day" scenarios to ensure 99.99% availability during peak trading hours.
• Work within a DevOps culture to standardize database deployments, security protocols, and access patterns (caching, pagination) using automation tools.
• Design and maintain real-time data pipelines using Apache Flink or AWS-native streaming services for live data processing and CDC (Change Data Capture).
• Proactively monitor and resolve database-level issues in non-production environments to ensure a seamless transition to the production cloud.

Requirements

• Bachelor's or Master's degree in Computer Science or a related technical field.
• Proven experience managing database workloads in an AWS environment. Deep familiarity with Amazon RDS, Aurora, and DocumentDB is essential.
• 4-6 years of professional experience with MySQL, including deep knowledge of storage engines, locking, and transaction isolation levels.
• 3+ years of experience with MongoDB or DocumentDB, with a solid understanding of sharding, indexing, and consistency models.
• Strong mastery of data modeling, normalization, and the ability to translate complex business logic into efficient technical tasks.
• Advanced skills in analyzing execution plans and optimizing complex SQL/NoSQL queries.
• Self-starter mindset with the ability to rapidly master new AWS services and emerging data technologies.
• Experience with high-concurrency transactional data in a brokerage or electronic trading environment.

Preferred qualifications

• Practical experience with Apache Flink for real-time stream processing and data integration.
• Experience with Amazon Neptune (Graph Database) or Time-Series databases.
• Proficiency in Python, Go, or Terraform/CloudFormation for database automation and IaC.
• AWS Certification: AWS Certified Database – Specialty or AWS Certified Solutions Architect.

Benefits

• Comprehensive Health Coverage: 100% paid medical and dental insurance for employees and dependents, vision insurance.
• Financial Support: 401(k) match, commuter benefits for NY positions, and short-term disability coverage.
• Work-Life Balance: Generous time off that increases with tenure, paid parental leave, personal days, sick time, volunteer days and company holidays.
• Wellness & Pet Care: Fitness and wellness benefits, plus pet insurance.
• Investing in Your Future: Tuition reimbursement for relevant degrees, certifications, and training.
• Dynamic Office Perks: Catered breakfast (every Monday) & lunches (every Friday), fully stocked kitchens, and monthly happy hours.

Pay

Base salary range: $90,000–$115,000 annually, plus a discretionary bonus and full benefits. Final offers consider experience, location, and relevant qualifications.

Location

This role is based in our St. Petersburg, FL Global HQ, where in-person collaboration fuels growth, mentorship, and innovation.