# Staff Engineer, Observability

**Company:** [MongoDB](https://hotfix.jobs/companies/mongodb)
**Location:** Dublin, Ireland
**Role:** Backend Engineering
**Experience:** 10+ years
**Skills:** C, C++, Java, Rust, Victoriametrics, Splunk, Apache Flink, Kafka, Warpstream, Go, Fluent Bit, Distributed Systems, Multithreaded Programming, Performance Profiling, Database Internals
**Posted:** 2026-08-12

> Leads the architecture, implementation, and operation of MongoDB’s large-scale observability infrastructure, covering metrics, logs, traces, and alerts. Requires 10+ years building highly concurrent distributed systems, strong systems programming and performance expertise, and technical leadership across teams.

## Job Description

## Responsibilities
- Help build and architect systems for the mission-critical observability platform, leading the architecture and implementation of components that drive performance, scalability, cost-efficiency, and resiliency.
- Design and implement observability improvements that enable engineers and customers to quickly and accurately diagnose the root cause of production issues.
- Handle production customer escalations from the Technical Support team and coach teammates to do the same.
- Write production-ready database code, improve existing code, and mentor teammates to write higher-quality code.
- Own areas of code maintained by the Observability Team, ensuring high standards for security, durability, availability, performance, and maintainability.
- Diagnose test failures, identify and fix bugs, and prevent regressions.
- Investigate the performance impact of code changes.
- Interview candidates for advanced software engineering positions.
- Develop and maintain expertise in database and observability developments from industry and academia.
- Lead development and project management of larger projects across the company.
- Collaborate with stakeholders and engineering teams on large initiatives.
- Advise Product Management on technical product direction, engineering complexity, and inter-project dependencies.
- Collaborate with Product Management and Engineering leadership to define product roadmaps.
- Champion and improve unit and integration tests.
- Work with customers and support engineers to fix issues and participate in the on-call rotation.

## Requirements
- Minimum 10 years of experience designing, programming, debugging, and tuning distributed and/or highly concurrent mission-critical software systems using C, C++, Java, or Rust.
- Experience running latency-sensitive, high-throughput systems.
- Strong systems fundamentals, including multithreaded programming, performance profiling, and expert-level programming.
- Familiarity with database internals or building core components for data-processing systems.
- Familiarity with the observability ecosystem and best practices.
- Excellent verbal and written technical communication skills, with a strong desire to collaborate and mentor engineers.
- Strong time and project management skills, including realistic assessment of project cost and complexity.
- Understanding of information security management.

## Nice to have
- Indexing or database performance-tuning experience.

## Compensation and benefits
- MongoDB provides employee development support, employee affinity groups, fertility assistance, parental leave, and other wellbeing benefits.

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