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Software Engineer

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Senior Software Engineer

Reddit - 4d ago

Senior Staff Engineer

Requirements

  • Solving complex problems at scale, and to high standards, excites you
  • Minimum 12 years of experience in designing, programming, debugging, and tuning distributed and/or highly concurrent C/C++/Java/Rust mission critical software systems
  • Experience running latency sensitive, high throughput systems
  • Strong systems fundamentals, including multi-threaded programming, performance profiling, and expert-level programming
  • Familiarity with database internals or building core components for data processing systems
    • (Nice to have) Indexing or database performance tuning experience
  • Familiarity with observability ecosystem and best practices
  • Excellent verbal and written technical communication skills and a strong desire to collaborate with colleagues and mentor engineers
  • Excellent time and project management skills including the ability to make realistic assessments of project cost and complexity
  • Has a good understanding of information security management

What You'll Be Doing

  • Define standards and vision 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 MongoDB engineers and customers to quickly and accurately diagnose the root cause of production issues.
  • Handle production customer escalations from Technical Support team and coach teammates to do the same
  • Write production-ready database code, improve the existing code, and mentor their team to write higher quality code
  • Own all code the Observability Team maintains, ensuring it achieves a high standard for quality (including security, durability, availability, and performance) and maintainability
  • Diagnose test failures, identify bugs in existing code, fix them, and prevent bugs from being introduced in new code
  • Investigate the performance impact of code changes that may cause software performance regressions
  • Interview candidates for advanced software engineering positions
  • Develop and maintain expertise on cutting edge database, and observability developments from industry and academia
  • Lead development and project management of some of the largest projects across the company
  • Collaborate with stakeholders and engineering teams across the company to jointly work 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 to demonstrate correctness
  • Work with customers and support engineers to fix issues and become part of our on-call rotation

Perks and Benefits

  • In the first month, you will have understood the high level architecture of MongoDB observability, 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 new features and initiatives, helping to mentor engineers on the team, and using your experience to drive the long-term technical roadmap of the Observability Team
AI Summary ✨
MongoDB logo

MongoDB

Dublin, Ireland

Experience: Senior
Posted: June 2, 2026
Last seen: an hour ago
Aws
Azure
Gcp
Golang
Java
Mongodb
Rust
backend

Why we track MongoDB

MongoDB is remote-friendly and has EU roles in Dublin and other cities. Developer tools and databases are a space where the engineering problems are genuinely hard—scale, consistency, performance. Worth watching if you're into infrastructure.

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