KeyStep

Software Engineer 3, Customer Observability

MongoDB
Dublin, Ireland
about 14 hours ago
full-time

Skills & Technologies

JavaC#CGoBackendFrontendFull-StackMongoDBMake

Job Description

The MongoDB Customer Observability Team is a diverse group of contributors working together to help our users manage MongoDB at global scale. The team is responsible for MongoDB Atlas: our database-as-a-service offering and fastest-growing product, which allows users to deploy globally distributed MongoDB clusters in just minutes.

We're seeking an SE3 to join our team to tackle exciting challenges within the Observability space.

You'll contribute to developing tools and platforms that help our users understand the health and performance of their MongoDB deployments. This includes collecting metrics, monitoring slow queries, and offering actionable insights such as index and schema suggestions that improve the speed, efficiency, and overall reliability of their databases.

This role provides a unique opportunity to drive engineering excellence across both dimensions of observability, leveraging technologies being developed within the Customer Observability group and contributing directly to the success of our customers and our product teams. If you're passionate about large-scale systems, digging deep into telemetry data, and building tools that make a real impact both internally and externally, we’d love to have you on board!

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

We're looking for someone who

Enjoys collaboration and being part of a team

Is approachable, curious, and intellectually honest

Is a backend engineer with a willingness to take on frontend tasks or a full-stack developer with a bias towards backend

Has written backend systems in a compiled language (Java, C#, Go, etc.)

Has experience with the design and architecture of a modern, scalable web application

Is familiar with debugging and troubleshooting production issues

Strong understanding of algorithms, data structures and their time and space complexity

Nice to Haves

Experience developing and writing code observability tools

Previous work

Company & Role Analysis

JobSeeker+
Likely perks
Private MedicalPension25+ Days HolidayStock OptionsLearning BudgetFlexible Hours
Culture & working style

Neutral 2–4 sentence summary of what working at this company is like, drawn from public reviews and press coverage. Tone, collaboration style, pace, benefits highlights.

Market salary range

£45,000 – £60,000 (Glassdoor, Levels.fyi, 2025)

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