Senior Database Engineer

1 day ago

Coimbatore Karur, India Mallow Technologies Full time ₹ 6,00,000 - ₹ 18,00,000 per year

About Us

Mallow Technologies is dedicated to leveraging web and mobile technologies to build impactful digital solutions. As part of our growing backend and infrastructure team, we are looking for a Senior Database Engineer who will work across one or more client projects to ensure database systems are scalable, secure, and highly performant. If you're passionate about databases and eager to take ownership in a fast-paced, client-driven environment, we'd love to talk to you.

Job Description

As a Senior Database Engineer, youll play a key role in designing, optimizing, and managing database infrastructure, primarily for client projects. The role requires deep hands-on expertise in PostgreSQL and a solid foundation in database architecture and performance tuning. Experience with MySQL is a bonus. You'll work closely with product, engineering, and DevOps teams to ensure database reliability, scalability, and compliance across client engagements.

Key Responsibilities

  • Design, implement, and manage database solutions using PostgreSQL (primary) and optionally MySQL.
  • Support one or more client projects, tailoring solutions to unique data and performance needs.
  • Optimize performance through indexing, partitioning, query tuning, and sharding strategies.
  • Plan and execute database upgrades, migrations, and version transitions with minimal downtime.
  • Implement and monitor backup, recovery, and disaster recovery strategies.
  • Ensure data security, availability, and compliance with client-specific policies and regulations.
  • Develop and maintain comprehensive documentation—schemas, data models, stored procedures, and operational guides.
  • Use monitoring and observability tools (e.g., pg_stat_statements, pgBadger, Prometheus, Grafana) to detect and resolve performance issues.
  • Automate repetitive maintenance and monitoring tasks using scripting or DevOps tooling.
  • Collaborate with client-side stakeholders when needed to propose data solutions and address performance concerns.
  • Work with DevOps teams to integrate database changes into CI/CD pipelines using tools like Flyway or Liquibase.
  • Provide mentorship and guidance to junior database engineers and backend developers.

Qualifications

  • Bachelor's degree in Computer Science, Information Technology, or a related field.
  • 5+ years of experience in database engineering, with strong, proven expertise in PostgreSQL (required).
  • Experience with MySQL is a bonus.
  • Hands-on knowledge of indexing, partitioning, query tuning, and sharding techniques.
  • Experience with database upgrades, cross-version migrations, and live data transitions.
  • Deep understanding of data integrity, security, and replication strategies.
  • Strong problem-solving skills with the ability to troubleshoot complex database performance issues.
  • Experience working in client-facing or multi-project environments is a plus.
  • Familiarity with observability tools (e.g., pg_stat_statements, New Relic, Prometheus) and automation via scripting.
  • Experience with cloud-based DB services (e.g., AWS RDS/Aurora, GCP Cloud SQL) is a plus.
  • Relevant certifications in PostgreSQL, MySQL, or cloud platforms are a plus.
  • Awareness of data compliance standards (e.g., GDPR, HIPAA, SOC2) is an added advantage.

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