Sinch is a global leader in the growing market for Communication Platforms as a Service (CPaaS) and mobile customer engagement. We are specialists in allowing businesses to reach everyone on the planet, in seconds or less, through mobile messaging, email, voice, and video.
We reach every phone on earth. From the lifechanging to the time-saving, we're helping our customers to interact with people like never before. For you, that means working in an environment that offers an incredible variety of exciting challenges, and the chance to impact how billions of people engage with their favourite brands. The dream of personalizing content to all 15 billion phones on the planet is no fairy tale!
More than 150,000 businesses, including many of the world’s largest companies and mobile operators, use Sinch’s advanced technology platform to engage with their customers. Moreover, Sinch has been profitable and fast-growing since its foundation. Sinch's core values are Make it Happen, Dream Big, Keep it Simple and Win Together. These values describe how our global organization works and inspire every of our more than 5,000 employees across 60 different countries.
We are seeking an experienced Mid-Level Database Expert to join our dynamic IT team. The successful candidate will be responsible for the administration, optimization, and security of our database environments. This role requires a deep understanding of database architecture, performance tuning, and data integrity to support mission-critical business applications. The ideal candidate will collaborate closely with development, infrastructure, and analytics teams to deliver robust and scalable data solutions.
Key Responsibilities:
1. Database Architecture & Design
Design and implement scalable, high-performance MySQL database solutions (InnoDB preferred). Assist in schema design, indexing strategies, and query optimization. Participate in data modeling discussions and decisions with engineering teams.2. Operations & Maintenance
Monitor and tune database performance (query performance, slow logs, deadlocks, I/O, memory). Understand and work well with Table Partitions. Able to work with partitions like partition exchanges etc. Manage database provisioning, configuration, and capacity planning and estimation. Completely own MySQL backup and restore strategy using tools such as (but not limited to) mysqldump, xtrabackup, or MySQL Enterprise Backup.3. High Availability & Disaster Recovery
Set up and manage MySQL High Availability using InnoDB Cluster, Group Replication, or Percona XtraDB Cluster. Implement disaster recovery plans including backup validation and offsite replication. Maintain InnoDB ClusterSet or other DR replication frameworks, where applicable.4. Security & Compliance
Enforce database security best practices: user management, encryption, SSL, auditing. Perform towards closure of Database SCD points as per requirements. Ensure databases are hardened and comply with internal or external security standards.5. Automation
Automate routine tasks like purging, archival using SQL Procedures. Good to have Shell scripts, Python, or Ansible. Work with CI/CD pipelines to support DB migrations and deployments.6. Support & Troubleshooting
Provide production support during business and off-hours for critical incidents.Act as the go-to person for MySQL-related issues, advising developers and IT on best practices.