Principal Engineer, DBA

Position: Principal Engineer, DBA

Location: India(Bangalore)

Job Type: Full-time

ABOUT US

Founded in 2014, Circles is a global technology company reimagining the telco industry with its SaaS platform - Circles X, helping telco operators launch and operate successful digital brands through its offerings.

Having pioneered a successful blueprint for disrupting the telco space in Singapore, Circles has since launched its own digital telco, Circles.Life, in Singapore, Taiwan and Australia. Circles has also partnered with other telco operators to launch digital services, enabling our partners to accelerate growth and capture market share within a short period of time.

Today, Circles is partnering with operators in 14 countries to deliver delightful digital experiences to millions of people through our businesses.

We are backed by global investors such as Sequoia, Warburg Pincus, EDBI Singapore and Founders Fund – renowned backers of industry-shaking innovators.

Job description:

We are seeking a Principal Database Architect with deep technical expertise in MySQL and MariaDB to lead the design, architecture, and optimization of our database infrastructure. The ideal candidate will also possess competency in MongoDB, Oracle, and RabbitMQ. This is a hands-on role for an individual who excels in driving scalable, high-performance database solutions that support complex and critical business applications. You will be instrumental in guiding database strategies, leading architecture decisions, and fostering collaboration with cross-functional teams to ensure the reliability, security, and performance of our systems.

Key Responsibilities:

• Design, implement, and optimize database solutions with a primary focus on MySQL and MariaDB to meet the scalability, availability, and performance demands of our business.
• Architect and manage database infrastructure in on-premise, cloud, or hybrid environments, ensuring high availability, disaster recovery, and performance optimization.
• Develop and enforce best practices for database design, management, and security, ensuring compliance with data governance and security policies.
• Collaborate with engineering teams to design efficient schemas, queries, and stored procedures, while also providing expert advice on database performance tuning and troubleshooting.
• Provide leadership and mentorship to the database engineering team, promoting a culture of technical excellence and continuous improvement.
• Work with cross-functional teams to integrate databases with application layers, middleware, and messaging systems like RabbitMQ.
• Drive improvements in observability, monitoring, and automation for database systems, ensuring proactive detection of performance bottlenecks and operational issues.
• Implement and maintain backup strategies, replication, clustering, and other technologies to ensure data integrity and availability.
• Assist in the evaluation, selection, and implementation of new database technologies that align with evolving business requirements.
• Collaborate with DevOps and SRE teams to ensure smooth CI/CD pipeline integration for database changes.
• Maintain competency in Oracle and MongoDB to assist in ancillary projects or provide guidance on multi-database environments.

Key Qualifications:

• 13+ years of experience in database architecture, with a strong focus on MySQL and MariaDB in high-availability, mission-critical environments.
• Proven experience in database design, optimization, and scaling for large transactional systems.
• Competency in MongoDB, Oracle, and experience with RabbitMQ or other message-brokers.
• Proficient in writing complex SQL queries, stored procedures, and optimizing for performance.
• Hands-on experience with replication, clustering, sharding, and backup/recovery strategies.
• Strong knowledge of database security principles and data governance.
• Experience working with cloud platforms (AWS, GCP, OCI) and managing databases in cloud or hybrid infrastructures.
• Familiarity with automation tools and scripting for database management and operations.
• Experience with DevOps, CI/CD pipelines, and integration of databases in a modern engineering workflow.
• Excellent problem-solving and analytical skills, with the ability to troubleshoot complex database and performance issues.
• Strong leadership, communication, and collaboration skills to work effectively across technical and business teams.
• Bachelor’s or Master’s degree in Computer Science, Information Technology, or a related field (or equivalent experience).

Preferred:

• Experience with data migration.
• Knowledge of NoSQL databases and other distributed database technologies.
• Hands-on experience in integrating databases with containerized environments

What’s on offer

We provide a great environment and platform for employees to build their career. In this role, you can expect:

• Unique opportunity to be a part of innovating the telecommunications industry.
• Once in a lifetime chance to help shape a brand from the ground up.
• Exposure to the fast-paced world of high-tech start-ups.
• Attractive experience and compensation.
• Working with passionate, smart and driven colleagues in a vibrant environment.
• Get continuous mentoring to fast-track your career.