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.
- 5 to 10 years of hands-on experience as a MySQL DBA in production environments.
- Strong experience with MySQL 5.7/8.0, especially InnoDB, replication, and performance tuning.
- Proficiency in setting up HA/DR using MySQL InnoDB Cluster, ProxySQL, MySQL Router, or alternatives.
- Experience working with MySQL Enterprise Edition specific features and related packages.
- Experience with backup/restore tools, including logical and physical backups.
- Working knowledge of Linux/Unix systems (RedHat/CentOS-based distros preferred).
- Knowledge of MySQL Enterprise features such as Firewall, TDE, and Audit Plugin.
- Experience with database migration (on-premises to cloud or vice versa).
- Excellent problem-solving skills, attention to detail, and communication abilities.
If you are a results-driven individual with a passion for team leadership and management, we would love to hear from you!
You’ll stand out from the crowd if you have:
- Familiarity with cloud DB deployments (AWS RDS, Aurora, or GCP Cloud SQL) is a plus.
- Exposure to NoSQL or secondary data systems (MongoDB, Redis).
- Good to have Experience with monitoring tools like PMM, Nagios, Zabbix, or custom Prometheus/Grafana setups.
- Experience with database migration (on-premises to cloud or vice versa).
- Experience working in agile, DevOps-driven teams.
Being you at Sinch:
We're a worldwide group of people, committed to diversity. We're working to offer an increasingly inclusive workplace wherever you are. No matter who you are, you'll be able to explore new career and growth options - sharing your voice, building your path and making it happen with us.
We’re proud to be an equal opportunity employer, and all qualified applicants will be considered to join our team regardless of race, colour, religion, gender identity or expression, sexual orientation, pregnancy, disability, age, veteran status, and more.
Your life at Sinch:
Being a Sincher is all about learning and being in pursuit of new challenges. Working in the offices, at home, or in a hybrid model, that means celebrating change and the unknown, rolling up your sleeves and seeing what impact you can have on the world. The only way is up, and you’ll be reaching for the opportunities that match where you want to take your career. It’s closer than you think.
Our expert teams are built from some of the most experienced in the industry. We employ people from all over the world, from all walks of life and from all backgrounds. We work together, feeding on our diversity to make us stronger, and we encourage each other to be the best we can be. Innovation drives us, and we challenge ourselves every day.
Are you ready? Join us on our journey!
Know more about us:
- Private Health Insurance coverage, Accidental Coverage, Optional Parental Health Coverage
- Flexible and supportive working environment
- Paid Time Off, Maternity, Paternity Leave, Wellbeing Programs
- Training & Development
- Internal Mobility
- Competitive salary and Allowances
- Highly engaged, collaborative, and transparent work culture
- Constant skill upgradation by learning and career advancement opportunities in a high-growth environment
- Annual health checkup.
- Global Mobility Program/Opportunities.
- Engaging Rewards & Recognition programs
