Senior Software Engineer, DevTools

The MongoDB Database Experience team is a diverse group of contributors working together to help our users manage MongoDB at global scale. This includes building tools for MongoDB Atlas, our database as a service offering which allows users to deploy fault-tolerant, globally distributed MongoDB clusters in minutes.

We're seeking a Senior Software Engineer to join our Developer Tools Team within the Database Experience department. The team is responsible for tools which allow users to interact with their data and to understand the health and performance of their MongoDB deployments. The Developer Tools Team works on products empowering MongoDB users to interact with their stored data, such as mongosh, the MongoDB MCP Server, the MongoDB VSCode extension, and others.

This position requires participation in a 24/7 on-call rotation to ensure business continuity and incident response capabilities.

We are looking to speak to candidates who are based in Dublin for our hybrid working model.

• 
  
• Contribute to tools that enable users to interact with data and monitor health and performance of MongoDB deployments (e.g., mongosh, MCP Server, VSCode extension).
  
• Join the Developer Tools Team within the Database Experience department to build and maintain backend and related tooling.
  
• Participate in a 24/7 on-call rotation to support business continuity and incident response.
  
• Collaborate with teammates and contribute to a distributed environment.
  

• 
  
• Has at least 4 years of experience working on backend systems (Node.js, Java, C#, Go, etc.).
  
• Is a backend engineer with a willingness to take on frontend tasks or a full-stack developer with a bias towards backend.
  
• Has experience with the design and architecture of a modern, scalable, high availability web application.
  
• Has experience working with databases.
  
• Enjoys collaboration and being part of a team.
  
• Is approachable, curious, and intellectually honest.
  
• Would enjoy chasing down difficult problems in a distributed environment.
  
• Always strives to expand their knowledge.
  

• 
  
• Knowledge of database internals and tuning mechanisms, particularly indexing.
  
• Previous work in TypeScript, React, and Node.js, particularly maintaining an ecosystem of dependencies.
  
• Experience working with websocket based client to server communication.
  
• Experience building MCP servers or plugins for agentic applications.
  
• Familiarity with developing and supporting microservice based architectures using Kubernetes.
  

MongoDB is built for change, empowering our customers and our people to innovate at the speed of the market. We have redefined the database for the AI era, enabling innovators to create, transform, and disrupt industries with software. MongoDB’s unified database platform—the most widely available, globally distributed database on the market—helps organizations modernize legacy workloads, embrace innovation, and unleash AI. Our cloud-native platform, MongoDB Atlas, is the only globally distributed, multi-cloud database and is available across AWS, Google Cloud, and Microsoft Azure.

With offices worldwide and nearly 60,000 customers—including 75% of the Fortune 100 and AI-native startups—relying on MongoDB for their most important applications, we’re powering the next era of software.

MongoDB is committed to providing any necessary accommodations for individuals with disabilities within our application and interview process. To request an accommodation due to a disability, please inform your recruiter. xcfaprz

MongoDB is an equal opportunities employer.