Software Engineer 3

MongoDB

Hybrid

Quick summary

Work type
Hybrid
Location
Dublin, Ireland
Posted
13 days ago

Market check

Salary context

How this pay compares to similar roles

Similar $164k
$116k most similar roles pay here $207k

This listing doesn't post a salary. Most similar roles pay $136,400–$192,050.

Based on 240 similar postings.

Employer

About MongoDB

MongoDB is a leading American software company that develops and provides commercial support for a popular, source-available document database. Designed to handle unstructured and structured data natively, its platform is purpose-built for modern cloud applications, analytics, and AI experiences.

MongoDB currently has 287 open roles on FindRole.

Listed pay typically runs $126,500–$209,000 across 104 roles with salary data.

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At a glance

TL;DR · Software Engineer 3

As a mid-level Software Engineer joining the Atlas Growth Platforms team at MongoDB, you will design and build scalable backend services that power feature flagging, experimentation, and analytics infrastructure for MongoDB Atlas. Your day-to-day responsibilities include developing APIs, data models, and pipelines to support personalization and partner integrations, while also contributing to components that enable internal teams to run experiments effectively. You’ll collaborate closely with Product, Analytics, and other engineering teams to ensure the reliability and observability of our systems at scale. The role requires expertise in backend development using languages like Java or C#, modern JavaScript frameworks, and experience with distributed systems and microservices architecture. Familiarity with Kubernetes, experimentation frameworks, and analytics tools such as Segment or Amplitude is preferred. This position offers opportunities to lead small projects and mentor junior engineers while upholding engineering best practices and driving a culture of continuous learning.

What you'll do

  • Design and maintain scalable backend services for feature flagging and experimentation.
  • Develop APIs, data models, and pipelines supporting personalization and partner integrations.
  • Enhance observability and reliability of systems in the context of large-scale experiments.
  • Lead technical design discussions and mentor other engineers on best practices.
  • Participate in 24/7 team on-call rotation to respond to critical incidents quarterly.
  • Implement backend features that are reliable, maintainable, and meet stakeholder needs.

What we're looking for

  • 3+ years of professional software engineering experience in backend development using compiled languages like Java or C#
  • Hands-on experience with modern JavaScript libraries and frameworks
  • Solid understanding of distributed systems and microservice architecture for API design
  • Strong collaboration and communication skills, working effectively across multiple teams
  • Experience with experimentation frameworks and A/B testing at scale preferred
  • Familiarity with Kubernetes for deploying and operating services beneficial

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