Senior Database Developer – MongoDB

Jobtailor; Dublin (CA); On-site; USD 120,000 - 160,000; Full time

Job summary

Jobtailor is seeking a Senior Database Engineer to design high‑performance MongoDB solutions and manage AWS RDS/Aurora deployments for security, scalability, and cost efficiency. You will collaborate with developers on data models, queries, and indexing strategies, and handle schema versioning with GitHub and Flyway.

You’ll tune performance with CloudWatch and Datadog, ensure data integrity, security, and disaster recovery readiness, and support migrations across RDBMS with Kubernetes (EKS).

Qualifications

• 5+ years of experience with MongoDB architecture, development, optimization, and operations
• 4+ years of experience with MySQL development and administration
• Hands-on AWS experience with RDS and/or Aurora
• Familiarity with Kubernetes (EKS) and containerized deployments
• Experience with GitHub-based version control and CI/CD workflows
• Strong database performance tuning, troubleshooting, and query optimization
• Understanding of the software development life cycle (SDLC)
• Strong communication and collaboration skills in cross-functional environments
• Knowledge of database security, disaster recovery, and data migration practices

Responsibilities

• Design and implement high-performance MongoDB solutions for demanding workloads
• Manage and optimize AWS RDS (MySQL/Aurora) instances for security, scalability, and cost efficiency
• Support database deployments and orchestration with EKS (Kubernetes)
• Collaborate with developers on data models, queries, and indexing strategies
• Manage database schema versioning and scripts with GitHub and Flyway
• Monitor and tune performance using native tools, AWS CloudWatch, and Datadog
• Proactively address database bottlenecks
• Ensure data integrity, security, compliance, and disaster recovery readiness
• Support migrations and interoperability across different RDBMS platforms

Skills

MongoDB Architecture

AWS RDS Management

Database Performance Tuning

Kubernetes (EKS) Support

GitHub Version Control

CI/CD Workflows

Data Migration

Terraform

CloudFormation

Disaster Recovery

MySQL Administration

Tools

AWS RDS

Aurora

Kubernetes

GitHub

Flyway

Terraform

CloudFormation

Docker

Job description

• Design and implement high-performance MongoDB solutions for demanding workloads
• Manage and optimize AWS RDS (MySQL/Aurora) instances for security, scalability, and cost efficiency
• Support database deployments and orchestration with EKS (Kubernetes)
• Collaborate with developers on data models, queries, and indexing strategies
• Manage database schema versioning and scripts with GitHub and Flyway
• Monitor and tune performance using native tools, AWS CloudWatch, and Datadog
• Proactively address database bottlenecks
• Ensure data integrity, security, compliance, and disaster recovery readiness
• Support migrations and interoperability across different RDBMS platforms

Requirements

• 5+ years of experience with MongoDB architecture, development, optimization, and operations
• 4+ years of experience with MySQL development and administration
• Hands-on AWS experience with RDS and/or Aurora
• Familiarity with Kubernetes (EKS) and containerized deployments
• Experience with GitHub-based version control and CI/CD workflows
• Strong database performance tuning, troubleshooting, and query optimization skills
• Understanding of the software development life cycle (SDLC)
• Strong communication and collaboration skills in cross-functional environments
• Knowledge of database security, disaster recovery, and data migration practices
• Exposure to Infrastructure-as-Code tools (Terraform, CloudFormation) preferred
• Experience with CI/CD pipelines for database changes preferred
• Exposure to monitoring, automation, and container orchestration tools (Kubernetes, Docker) preferred
• Familiarity with additional AWS services such as Lambda, CloudWatch, and IAM preferred

Core Competencies

Demonstrates expertise in designing and implementing high-performance MongoDB solutions and managing AWS RDS instances, ensuring security, scalability, and cost efficiency. Proficient in database performance tuning, disaster recovery, and collaboration with cross-functional teams.

Highest-signal resume keywords

• MongoDB Architecture
• AWS RDS Management
• Database Performance Tuning
• Kubernetes (EKS) Support
• GitHub Version Control

ATS Optimization Keywords

Hard Skills

• MongoDB Development
• MySQL Administration
• Database Optimization
• Query Optimization
• Database Schema Versioning
• Disaster Recovery Practices
• Data Migration
• Infrastructure-as-Code (Terraform)
• CI/CD Workflows
• Monitoring Tools (AWS CloudWatch, Datadog)

Soft Skills

• Strong Communication
• Collaboration Skills

Industry Keywords

• Database Security
• Data Integrity
• Compliance
• Disaster Recovery Readiness
• Software Development Life Cycle (SDLC)

Tools & Technologies

• AWS RDS
• Aurora
• Kubernetes
• GitHub
• Flyway
• Terraform
• CloudFormation
• Docker