Senior Database Engineer: AWS RDS, HA & Performance

dadaconsultants pte. ltd.; Singapore; On-site; SGD 150,000 - 190,000; Full time

Job summary

Dada Consultants Pte Ltd is seeking an experienced Database Engineer to manage and optimize production databases across MySQL, PostgreSQL, Redis, and MongoDB on AWS. You will implement high-availability, backup, and DR solutions, troubleshoot incidents, and collaborate with SRE/DevOps for migrations and upgrades.

The role requires hands-on AWS database experience, strong SQL tuning skills, Linux proficiency, and automation via Python/Bash or Terraform/Ansible.

Qualifications

• Bachelor’s degree in Computer Science, IT, or a related field, or equivalent experience.
• 7+ years of database administration or engineering experience, including hands-on AWS database experience.
• Strong expertise in MySQL and/or PostgreSQL, including performance tuning, replication, and high availability.
• Solid experience with AWS RDS, Aurora, or other managed database services.
• Proficiency in Linux, SQL troubleshooting, and scripting (Python/Bash).
• Experience with infrastructure automation tools such as Terraform or Ansible.
• Understanding of cloud networking, database security, and disaster recovery.
• Experience supporting high-traffic, business-critical production systems.
• Strong troubleshooting, communication, and cross-functional collaboration skills.

Responsibilities

• Manage and maintain production databases, including MySQL, PostgreSQL, Redis, and MongoDB.
• Operate AWS database services such as RDS, Aurora, ElastiCache, and DynamoDB.
• Optimize database performance through SQL tuning, indexing, monitoring, and capacity planning.
• Design and maintain high-availability, replication, backup, and disaster recovery solutions.
• Troubleshoot database incidents, perform root cause analysis, and improve system reliability.
• Automate database operations using Python, Bash, Terraform, or similar tools.
• Implement database security, access controls, encryption, and compliance best practices.
• Collaborate with SRE, DevOps, and development teams on database migrations, upgrades, and architecture improvements.

Skills

SQL tuning

AWS experience

Python scripting

Linux proficiency

Automation tooling

Education

Bachelor's degree in Computer Science or related field

Tools

MySQL

PostgreSQL

Redis

MongoDB

Terraform

Ansible

Prometheus

Grafana

CloudWatch

Kubernetes

Kafka

Job description

Dada Consultants Pte Ltd is seeking an experienced Database Engineer to manage and optimize production databases across MySQL, PostgreSQL, Redis, and MongoDB on AWS. You will implement high-availability, backup, and DR solutions, troubleshoot incidents, and collaborate with SRE/DevOps for migrations and upgrades.

The role requires hands-on AWS database experience, strong SQL tuning skills, Linux proficiency, and automation via Python/Bash or Terraform/Ansible.