The company has unified payments, payouts, and fintech on one worldwide platform, and we’re assembling the world’s best team to liberate global commerce. This is an opportunity to be part of a dynamic environment with offices in multiple global locations. We believe in straight talk, quick decisions, strong execution, and elegant solutions. Join us and let’s build the future of fintech together.
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We are looking for an exceptional Senior DBA to help build and scale our global fintech infrastructure. If you have a passion for building highly scalable, distributed cloud systems—specifically architecting and managing MySQL clusters on AWS EC2—created with an "Everything As Code" state of mind, we want you on our team.
Responsibilities:
- Architect & Manage: Design, deploy, and manage highly available and distributed MySQL clusters running directly on AWS EC2 instances.
- Everything As Code: Drive the adoption of automation in the DB domain, from infrastructure provisioning and configuration management to creating robustly scalable, stable, and monitored databases.
- Strategy & High Availability: Develop our database strategy for proactive performance tuning, disaster recovery, and high availability in a high-stakes 24×7 global production environment.
- Environment Ownership: Manage Development, Test, QA, and Production databases, implementing future MySQL (and MongoDB) enhancements to meet the rapidly growing business needs of the company.
- Capacity Planning: Anticipate scaling requirements and lead database capacity planning for exponential global growth and optimal performance.
- Collaboration: Work closely with development teams to identify and resolve issues, optimize complex queries, and ensure database changes adhere to best practices.
- System Maintenance: Take ownership of configuration, maintenance, version upgrades, deep Linux OS-level tuning, and patching procedures.
- Reliability: Conduct and manage periodic on-call duties to ensure continuous system reliability and uptime.
Requirements:
- Experience: 5+ years of hands-on experience as a DBA in a high-scale, high-transaction environment.
- MySQL & Clustering: Deep proficiency with MySQL (version 8.x). Extensive experience building, managing, and troubleshooting highly available MySQL clusters (e.g., InnoDB Cluster or similar) directly on EC2 instances (beyond managed services like RDS/Aurora).
- AWS Expertise: Deep understanding of AWS infrastructure as it relates to database hosting (EC2 instance types, EBS volume optimization, VPC networking, Security Groups, and IAM).
- Linux Mastery: Strong Linux system knowledge, including OS-level performance tuning, troubleshooting, and shell scripting.
- Database Architecture: Solid experience with partitioning, advanced replication topologies, multi-level security, distributed transactions, OLTP, & OLAP.
- Optimization: Extensive knowledge of SQL programming, query optimization, and database/application performance tuning.
- Automation/IaC: 3+ years of experience with Infrastructure as Code and configuration management tools (Terraform, Ansible, Chef, Puppet, or CloudFormation).
- NoSQL: Experience or solid working knowledge of MongoDB.
- Communication: Fluent in English.
Advantages:
- Experience as a hands-on DevOps engineer in a large-scale environment.
- BS in Computer Science or a related technical field.
- Experience with containerization and orchestration (Docker, Kubernetes, and Helm).
- Strong experience with Git and CI/CD pipelines.
