Senior Database Developer

Worklane GmbH; Dublin; Hybrid; EUR 90,000 - 130,000; Full time

Benefits offered by this job

Hybrid work model

Job summary

Resmed is building data foundations for life-changing healthcare technology. As a Senior Database Developer, you will design, optimize, and scale high-performance databases supporting mission-critical systems, working across MongoDB, AWS RDS MySQL/Aurora, and cloud-native environments.

This hybrid role involves collaborating with developers and database specialists to ensure reliability, security, and disaster recovery readiness, while driving performance improvements and efficient data models.

Qualifications

• Experience designing and managing MongoDB architectures for high-demand workloads.
• Hands-on administration of AWS RDS and Aurora environments.
• Proficiency with Kubernetes-based deployments (EKS) and containerized apps.
• Familiarity with GitHub-based version control and CI/CD workflows.

Responsibilities

• Design and implement high-performance MongoDB solutions for complex workloads.
• Manage and optimize AWS RDS MySQL/Aurora environments for performance and cost efficiency.
• Support deployments and orchestration within EKS environments.
• Collaborate with dev teams to model data effectively and optimize queries.
• Version database schemas using GitHub and Flyway.
• Monitor health with native tooling, CloudWatch, and Datadog.
• Troubleshoot performance bottlenecks across DB environments.
• Strengthen data security, disaster recovery readiness, and compliance.

Skills

MongoDB

AWS

MySQL

Aurora

Kubernetes

CI/CD

GitHub

Flyway

Datadog

CloudWatch

Tools

Terraform

CloudFormation

Job description

Build the data foundation behind life-changing healthcare technology.

At Resmed, your work helps power solutions that improve lives around the world. As a Senior Database Developer, you'll play a key role in designing, optimizing, and scaling high-performance database platforms that support mission-critical systems. Working across MongoDB, AWS RDS MySQL/Aurora, and cloud-native environments, you'll help ensure our platforms remain reliable, secure, and ready to support continued innovation. This is an opportunity to influence technical decisions, solve complex performance challenges, and collaborate closely with developers and database specialists to deliver resilient, scalable solutions.

This is a hybrid role.

You'll join a collaborative engineering environment where you'll contribute as a Senior Database Developer, partnering with cross-functional teams to drive database performance, reliability, security, and operational excellence.

What You'll Do

• Design and implement high-performance MongoDB solutions for complex and demanding workloads.
• Manage and optimize AWS RDS MySQL/Aurora environments to balance performance, scalability, security, and cost efficiency.
• Support database deployments and orchestration within EKS (Kubernetes) environments.
• Partner with development teams to create efficient data models, indexing strategies, and high-performing queries.
• Manage database schema versioning and deployment processes using GitHub and Flyway.
• Monitor database health and performance using native database tooling, AWS CloudWatch, and Datadog.
• Identify, troubleshoot, and resolve performance bottlenecks across database environments.
• Strengthen data integrity, security controls, compliance standards, and disaster recovery readiness.
• Support database migrations and interoperability across multiple relational database platforms.
• Contribute to continuous improvements in database architecture, operational processes, and platform reliability.

What You Bring

• Strong expertise in MongoDB architecture, development, optimization, and operations.
• Experience developing and administering MySQL databases, including AWS RDS and Aurora environments.
• Hands-on experience working with AWS cloud services.
• Familiarity with Kubernetes, particularly EKS and containerized deployments.
• Experience using GitHub-based version control and CI/CD workflows.
• Strong database performance tuning, troubleshooting, and query optimization capabilities.
• Understanding of software development lifecycle practices and their application within engineering teams.
• Strong communication and collaboration skills when working across technical disciplines.
• Knowledge of database security, disaster recovery strategies, and data migration practices.

Nice to have

• Exposure to Infrastructure-as-Code tools such as Terraform or CloudFormation.
• Experience supporting CI/CD pipelines for database changes.
• Familiarity with monitoring, automation, container orchestration technologies, or additional AWS services.

What Sets You Apart

• Ownership: You take accountability for the reliability and performance of the systems you support and proactively drive improvements.
• Problem Solving: You enjoy digging into complex challenges, identifying root causes, and implementing sustainable solutions.
• Collaboration: You build strong partnerships across engineering teams and work effectively toward shared outcomes.
• Continuous Learning: You stay curious, embrace new technologies, and look for opportunities to strengthen platform capabilities.
• Quality Mindset: You value robust, secure, and well-designed solutions that support long-term scalability and operational excellence.
• Impact Focus: You understand how dependable data platforms enable innovation and better outcomes for customers worldwide.

What You Can Expect

• A people-first culture that emphasizes growth, learning, and engineering excellence.
• Opportunities to influence database and platform design decisions.
• A collaborative and supportive environment with strong cross-team partnerships.
• The chance to make a tangible impact on products that directly affect customers worldwide

Joining us is more than saying “yes” to making the world a healthier place. It’s discovering a career that’s challenging, supportive and inspiring. Where a culture driven by excellence helps you not only meet your goals, but also create new ones. We focus on creating a diverse and inclusive culture, encouraging individual expression in the workplace and thrive on the innovative ideas this generates.