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Verified from career page · Posted 3w ago

MongoDB

Software Engineer 3, Cluster-to-Cluster

MongoDB · Clusters & Interfaces

Dublin

Mid-level

SoftwareAWSAzureC++C# / .NETDistributed systemsGCPJavaMicroservicesMongoDB

Last seen 1w ago

Posted
3w ago

Posted on 8 September 2026

Workplace
Not specified

Work model not stated

Salary
Not disclosed

Salary range not shared by the company

Visa sponsorship
Not specified

Visa sponsorship details unknown

This role has closed 1w ago ago. It's kept as a record — see MongoDB's open roles or the similar live roles below.

See MongoDB's open roles

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

About MongoDB

MongoDB engineers from Dublin, Cork and London. Dublin is its EMEA hub and carries most of the European roles — database internals as well as cloud platform work.

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