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Software Engineer 3, Cluster-to-Cluster

MongoDB

Dublin, Leinster, IrelandFull Time
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Software Engineer 3, Cluster-to-Cluster at MongoDB is a full time role based in Dublin, Leinster, Ireland. It was published on 8 September 2026 and was open at last check.

Software Engineer 3, Cluster-to-Cluster at MongoDB — key details
RoleSoftware Engineer 3, Cluster-to-Cluster
CompanyMongoDB
LocationDublin, Leinster, Ireland
Employment typeFull Time
Published8 September 2026
StatusOpen at last check

We are seeking a Software Engineer to join our Cluster to Cluster (C2C) Services team, which builds the services and tools that move data reliably between MongoDB clusters. Our work spans the Atlas Live Migration service, mongosync, and disaster-recovery capabilities, helping customers migrate, replicate, and protect critical workloads across cloud and on-premises environments . We solve challenging problems in distributed systems, data movement, reliability, scalability, and operability. As a Software Engineer on this team, you will build and support new solutions to address our scalability, performance and usability challenges.

This role can be based out of our Dublin office or remotely in Ireland.

Responsibilities

  • Build our Atlas Migration Services and tooling, including data movement and disaster recovery features. These are heavily used by customers of MongoDB Atlas (our Database-as-a-Service), as well as by on-prem customers
  • Work closely with product, design, and engineers across the organization to collectively build features that our customers love
  • Uphold engineering best practices and help drive a culture of quality, customer focus, and continuous learning
  • Mentor and contribute to the growth of team members
  • Solve difficult technical problems in a distributed environment

Candidate Profile

  • 3+ years of hands-on experience in software engineering, primarily focused on backend systems
  • Skilled at writing distributed backend systems in a compiled language (Java, C#, Go, C++ etc)
  • Solid understanding of distributed systems and experience designing APIs and services in a microservice environment
  • Experience with at least one major cloud platform (AWS, Azure, GCP)
  • Experience in one or more of: data streaming or replication, database systems, scalability, performance, reliability, or fault tolerance.
  • Curious, collaborative, empathetic, and intellectually honest
  • Motivated to solve tough problems and continually expand their knowledge
  • Excellent written and verbal communication skills

Success Measures

  • In three months you understand the team’s architecture, MongoDB fundamentals relevant to C2C, and the core data-movement workflows. You have delivered a scoped change and contributed to production-quality fixes
  • In six months, you are reviewing code and new feature designs. You're involved in the design and implementation of a major project, and a few smaller features
  • In twelve months, you’re leading the design and development of at least one major new feature. You have strong familiarity with the products the team owns and are able to work across the codebase. You’re able to provide strong product support to both internal and external customers

About MongoDB

MongoDB is built for change, empowering our customers and our people to innovate at the speed of the market. We have redefined the data platform for the AI era, enabling builders to create, transform, and disrupt industries with software. MongoDB’s unified data platform, the most widely available, globally distributed data platform 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 data platform and is available across AWS, Google Cloud, and Microsoft Azure.

With offices worldwide and over 67,000 customers, including AI-native startups and approximately 75% of the Fortune 100, relying on MongoDB for their most important applications, we’re powering the next era of software.

Our compass at MongoDB is our Leadership Commitment, guiding how and why we make decisions, show up for each other, and win. It’s what makes us MongoDB.

To drive the personal growth and business impact of our employees, we’re committed to developing a supportive and enriching culture for everyone. From employee affinity groups, to fertility assistance and a generous parental leave policy, we value our employees’ wellbeing and want to support them along every step of their professional and personal journeys. Learn more about what it’s like to work at MongoDB, and help us make an impact on the world!

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.

MongoDB is an equal opportunities employer.

Req ID: 3273541928

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Software Engineer 3, Cluster-to-Cluster at MongoDB — questions answered

What does the Software Engineer 3, Cluster-to-Cluster role at MongoDB pay?

MongoDB does not publish a salary on this Software Engineer 3, Cluster-to-Cluster listing, so OnJob shows no figure for it rather than an estimate. For what this role pays across the market, the OnJob salary guides aggregate the live listings that do disclose pay.

Where is the Software Engineer 3, Cluster-to-Cluster role at MongoDB based?

MongoDB lists this Software Engineer 3, Cluster-to-Cluster role in Dublin, Leinster, Ireland, advertised as full time work at that location. Larger employers sometimes cover several sites under one city name, so confirm the exact office with MongoDB before you apply.

Is the Software Engineer 3, Cluster-to-Cluster role at MongoDB still open?

The Software Engineer 3, Cluster-to-Cluster posting at MongoDB was open at OnJob's last check of the employer's careers page, having been published on 8 September 2026. OnJob re-checks source listings on each build and marks a role closed once it disappears, but listings can close without notice, so the employer's own page is the final word.

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