Database Developer Expert

MAS Global Consulting

$120K — $145K *
Information Technology
11 - 15 years of experience
Job Overview by Ladders

Qualifications

  • 12+ years of experience in database development.
  • Strong proficiency in PostgreSQL (ideally Aurora) with a focus on performance tuning.
  • Significant experience in Oracle Database, emphasizing PL/SQL development.
  • Advanced SQL skills including complex joins and indexing strategies.
  • Hands-on experience with AWS services like EC2, S3, and CloudWatch.
  • Experience with Terraform for infrastructure as code practices.
  • Knowledge of database reliability patterns such as replication and failover.

Responsibilities

  • Design and maintain database solutions in AWS Aurora PostgreSQL and Oracle.
  • Write and optimize SQL and PL/SQL for performance and efficiency.
  • Develop stored procedures, functions, triggers, and views for database operations.
  • Conduct schema design, data modeling, and query performance tuning.
  • Manage database operations including backup, upgrades, and incident troubleshooting.
  • Implement data access patterns and integrate with applications and services.
  • Utilize Terraform for building infrastructure as code.

Benefits

  • Fully on-site role in Delaware, enhancing team collaboration.
  • Opportunity to work with cutting-edge AWS technologies and resources.
  • Focus on security best practices in database development.
  • Chance to influence database strategy and architecture.
  • Collaborative environment with cross-functional teams.
Full Job Description
Location: Delaware (DE), USA • fully On-site

Role Overview

We are seeking a Database Developer with strong hands-on experience in AWS Aurora PostgreSQL and Oracle Database, plus working knowledge of core AWS services and infrastructure automation. You'll design, build, optimize, and support database solutions that are secure, performant, and scalable in a cloud environment.

Key Responsibilities
  • Design, develop, and maintain database solutions on AWS Aurora PostgreSQL and Oracle (on-prem or AWS-hosted).
  • Write and optimize SQL/PL/pgSQL (PostgreSQL) and SQL/PL/SQL (Oracle) for performance and maintainability.
  • Develop and maintain stored procedures, functions, triggers, and views.
  • Perform schema design, data modeling, indexing strategies, and query tuning.
  • Support database operations: backup/restore, patching coordination, upgrades, capacity planning, and incident troubleshooting.
  • Implement data access patterns and integration with applications/services (APIs, batch jobs, ETL/ELT pipelines as applicable).
  • Build and maintain infrastructure-as-code using Terraform for database and supporting AWS components.
  • Work with AWS services such as EC2, S3, IAM, CloudWatch, KMS, VPC/Security Groups, and (if applicable) RDS tooling for operations.
  • Enforce security best practices (encryption in transit/at rest, secrets management, least privilege, auditing).
  • Create and maintain documentation: runbooks, standards, deployment procedures, and operational playbooks.
  • Collaborate with application teams, platform/DevOps, and security to deliver end-to-end solutions.

Required Qualifications
  • 12+ years (adjustable) of database development experience.
  • Strong experience with PostgreSQL (preferably Aurora PostgreSQL) including performance tuning and troubleshooting.
  • Strong experience with Oracle Database, including PL/SQL development and optimization.
  • Advanced SQL skills: complex joins, window functions, execution plan analysis, indexing strategies.
  • Experience with AWS fundamentals and hands-on usage of services like EC2, S3, IAM, CloudWatch.
  • Hands-on Terraform experience (modules, remote state, environments, CI/CD integration is a plus).
  • Understanding of database reliability patterns: replication, HA, read scaling, failover concepts.

Preferred Qualifications (Nice if you have)
  • Experience with database migration and tools like AWS DMS/SCT (if relevant).
  • Familiarity with CI/CD for database changes (Liquibase/Flyway or similar).
  • Knowledge of monitoring/observability: CloudWatch metrics/logs, performance insights, alerting.
  • Experience with containerized workloads (ECS/EKS) interacting with databases.
  • Experience with data streaming/integration (Kafka/Kinesis), caching (Redis/ElastiCache), or warehousing (Redshift)
  • Scripting skills: Python, Bash, or similar for automation.

Core Skills / Competencies
  • Strong debugging and problem-solving in production environments.
  • Ability to balance performance, reliability, and security.
  • Clear communication and documentation skills.
  • Comfortable working in agile delivery and collaborating across teams.

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