Join MongoDB as a Senior Software Engineer to build a high-performance database migration and syncing tool in a collaborative team.
Posted by employer 1 day ago
First seen on Joblaze 24 minutes ago
Last verified on the company career page 24 minutes ago
What you'll build
- Build mongosync, a database migration and syncing tool
- Develop the MongoDB Database Tools
- Work closely with product, support, and engineers
- Mentor and contribute to the growth of team members
Must have
- 5+ years of hands-on experience designing, building, testing, and maintaining industrial-strength software
- Experience with building databases or core components for data processing systems
- Experience with distributed systems such as data replication, distributed transactions, scalability, and fault tolerance
- Experience in at least one compiled language
Nice to have
- Interest in working with Go
- Excellent verbal and written technical communication skills
- Curiosity and willingness to quickly learn new things
Practical constraints
- Candidates must be based in Dublin for our hybrid working model
Requirements
- Experience
- 5+ years
Not disclosed in this posting: compensation, visa sponsorship.
Benefits
Joblaze summary
In this role, the Senior Software Engineer will focus on developing mongosync, a critical tool for synchronizing and migrating MongoDB clusters, while also enhancing the MongoDB Database Tools suite. Candidates should have over five years of experience in software development, particularly with distributed systems and a strong command of at least one compiled language, ideally Go. This position is well-suited for seasoned engineers who are eager to mentor others and collaborate across teams. MongoDB fosters an inclusive culture, emphasizing teamwork and support for professional growth.
Joblaze insights
- Listed today — first seen on Joblaze November 8, 2026. Last confirmed on MongoDB's careers page November 8, 2026.
Quick facts
- Is the Senior Software Engineer, Cluster to Cluster Synchronization, Migration Tooling role remote?
- It's hybrid — MongoDB expects some on-site time in Dublin, Ireland.
- How much experience is required?
- At least 5 years of relevant experience for this Senior Software Engineer, Cluster to Cluster Synchronization, Migration Tooling role.
- Where is the role based?
- MongoDB is hiring for this position in Dublin, Ireland.
- What's the tech stack?
- Joblaze extracted these technologies from the posting: CLI, Go, MongoDB.
- What seniority level is this role?
- MongoDB targets senior candidates for this position.
- Is this full-time or contract?
- Full-time for this Senior Software Engineer, Cluster to Cluster Synchronization, Migration Tooling role at MongoDB.
From the original posting
The Cluster to Cluster Synchronization team is working to make migrations, backups, and disaster recovery of MongoDB clusters easy and reliable. Our main focus is mongosync, a tool to synchronize two MongoDB clusters. This tool is a top priority for the company, and is used to migrate customers from on-prem MongoDB to MongoDB's cloud service, MongoDB Atlas.
Our team champions a strong culture of inclusivity and collaboration. If you want to work on a collaborative team that’s creating a high-performance distributed service for syncing databases, this is the team for you!
We are looking to speak to candidates who are based in Dublin for our hybrid working model.
Responsibilities
- Build mongosync, a database migration and syncing tool. This tool is heavily used by MongoDB Atlas (our Database-as-a-Service), as well as by on-prem customers
- Develop the MongoDB Database Tools, a set of CLI utilities for working with a MongoDB deployment. It includes tools for importing, exporting, and diagnostics
- Work closely with product, support, and engineers across the organization to collectively build features that our customers love
- Mentor and contribute to the growth of team members
Candidate Profile
- 5+ years of hands-on experience designing, building, testing, and maintaining industrial-strength software
- Experience with building databases or core components for data processing systems
- Experience with distributed systems such as data replication, distributed transactions, scalability, and fault tolerance
- Experience in at least one compiled language, and interest in working with Go
- Excellent verbal and written technical communication skills and a desire to collaborate with colleagues and mentor junior engineers
- Curiosity, willingness, and ability to quickly learn new things in the domains of computer science and software engineering
Success Measures
- In three months you’ll have learned about how MongoDB and mongosync works. You’ll have contributed to an ongoing project and fixed a few bugs in existing code
- In six months, you’ll be reviewing code and new feature designs. You're involved in the design and implementation of a major project, and leading development of smaller features
- In twelve months, you’re leading the design and development of major new features and are helping to mentor new engineers on the team. You have strong familiarity with the products the team owns and are able to work across the codebase
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.
MongoDB is an equal opportunities employer.
Req ID: 4273608805
Standard company text repeated across MongoDB's postings is omitted here.