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Software Engineer 3, Server Programmability

Join MongoDB's Server Programmability team as a Software Engineer 3, focusing on C++ and Rust for core server development.

Location
Dublin, Ireland
Compensation
Not disclosed
Level
mid
Type
full time · Hybrid

Posted by employer 10 hours ago

First seen on Joblaze 58 minutes ago

Last verified on the company career page 58 minutes ago

Skills & Technologies

C++ Rust Flexible on stack

What you'll build

  • Understand and improve MongoDB Server’s Programmability features
  • Lead medium sized projects
  • Write production-ready code in C++
  • Write unit tests and integration tests
  • Investigate performance characteristics of the server

Must have

  • 3+ years of experience in Systems programming in C++
  • Hands-on experience with building production-level code
  • Solid computer science fundamentals
  • Strong competencies in data structures and algorithms
  • Solid verbal and written communication skills

Nice to have

  • Passion for learning new things in software engineering
  • Experience in Javascript and Python

Practical constraints

  • Candidates must be based in Dublin

Requirements

Experience
3+ years

Not disclosed in this posting: compensation, visa sponsorship.

Benefits

Health Insurance Parental Leave

Joblaze summary

In this role, the Software Engineer 3 on the Server Programmability team at MongoDB focuses on enhancing the core server's programming capabilities through low-level libraries and tools. Proficiency in C++ and experience with systems programming are essential, along with a solid understanding of data structures and algorithms. This position is ideal for an experienced engineer who thrives in collaborative environments and is eager to tackle complex projects. The team operates in an agile setting, emphasizing continuous learning and cross-team collaboration.

Joblaze insights

  • Listed today — first seen on Joblaze October 6, 2026. Last confirmed on MongoDB's careers page October 6, 2026.

Quick facts

Is the Software Engineer 3, Server Programmability role remote?
It's hybrid — MongoDB expects some on-site time in Dublin, Ireland.
How much experience is required?
At least 3 years of relevant experience for this Software Engineer 3, Server Programmability 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: C++, Rust.
What seniority level is this role?
MongoDB targets mid-level candidates for this position.
Is this full-time or contract?
Full-time for this Software Engineer 3, Server Programmability role at MongoDB.

From the original posting

The Server Programmability team is focused on programming velocity and safety in the core MongoDB Server. We own low-level libraries, runtimes, and tools that allow internal MongoDB developers to develop features in C++ and Rust quickly and safely.

We are an agile and small team looking for an experienced engineer to join us. We are looking for someone who is excited about operating systems, development tools, programming languages and low-level C++ libraries.

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

Candidate Profile

  • 3+ years of experience in Systems programming in C++ or other low-level programming languages
  • Hands-on experience with building production-level code. Experience in C++ is required
  • Passionate about delivering and deploying a product with cross-team stakeholders
  • Solid computer science fundamentals, with strong competencies in data structures, algorithms, and software design/architecture
  • Passion for learning new things in the domains of software engineering, distributed systems, and performance
  • Solid verbal and written communication skills and highly motivated to collaborate with colleagues

Position Expectations

  • Understand and improve the current functionality of the MongoDB Server’s Programmability features
  • Lead medium sized projects related to the team’s charter
  • Collaborate with colleagues at all stages of project lifecycle (ideation, requirements gathering, design, execution, and delivery)
  • Own our leadership principles, and exemplify them in your work
  • Continue to learn and be curious in growing your career!
  • Write production-ready code in C++
  • Write unit tests and integration tests in C++, Javascript, and Python to demonstrate application correctness
  • Investigate the performance characteristics of the server and write performance regression tests
  • Interview candidates for software engineering positions
  • Handle customer escalations
  • Collaborate with stakeholders and engineering teams across the company to jointly work on large initiatives

Success Measures

  • In the first month, you will have understood the high level architecture of MongoDB and fixed a few bugs
  • In three months, you will have contributed to the development of a project slated for the next major release of MongoDB, and diagnosed and fixed a few customer or testing-reported issues
  • In six months, you will have taken on code review responsibilities and are involved in reviewing the design for new features
  • In twelve months, you will be leading the development of a new feature and helping to mentor new engineers on the team

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: 3273569106

Standard company text repeated across MongoDB's postings is omitted here.

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