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Senior Staff Engineer, Server Networking & Observability

MongoDB and Careers
Seattle, WA Full Time
POSTED ON 12/25/2025
AVAILABLE BEFORE 2/25/2026

The Networking & Observability Team builds infrastructure for low-overhead observability and communication between MongoDB Server nodes, clients, and other services. We operate close to the bottom of the stack, and have a huge impact on the performance and robustness of the database. Recently, we've worked on POCs for making our RPC stack's architecture as performant as possible and are integrating OpenTelemetry to accelerate the diagnosis of performance issues and test failures.

Our team champions a strong culture of inclusivity, diversity, and collaboration. If you want to be a deeply technical leader on a collaborative team that applies low-level systems and networking expertise to build the foundational infrastructure of a popular database, join us! Let's build a faster, more reliable, and exceptionally observable database system together

This role can be based out of our NYC office or remotely from anywhere in North America.

Candidate Profile

  • Minimum 12 years of experience in programming, debugging, and performance tuning distributed and/or highly concurrent C/C software systems
  • Strong systems fundamentals, including multi-threaded programming, performance profiling, and expert-level network programming
  • Familiarity with database internals or building core components for data processing systems
  • Familiarity with observability ecosystem and best practice
  • 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

Responsibilities

  • Lead the architecture and implementation of low-level networking components that drive the performance, scalability, cost-efficiency, and resiliency of MongoDB Server
  • Design and implement observability improvements that enable MongoDB engineers and customers to quickly and accurately diagnose the root cause of production issues
  • Handle networking-related customer escalations from Technical Support team and coach teammates to do the same
  • Write production-ready database code in C , improve the existing code, and mentor their team to write higher quality code
  • Own all code the Networking & Observability Team maintains, ensuring it achieves a high standard for quality (including security, durability, availability, and performance) and maintainability
  • Write and improve unit and integration tests in C , Javascript, and Python to demonstrate correctness
  • 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, networking, 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

Success Measures

  • In the first month, you will have understood the high level architecture of MongoDB networking and observability, and fixed a few bugs
  • In three months, you will have contributed to the development in C 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 Networking & Observability Team

About MongoDB

MongoDB is built for change, empowering our customers and our people to innovate at the speed of the market. We have redefined the database for the AI era, enabling innovators to create, transform, and disrupt industries with software. MongoDB's unified database platform—the most widely available, globally distributed database on the market—helps organizations modernize legacy workloads, embrace innovation, and unleash AI. Our cloud-native platform, MongoDB Atlas, is the only globally distributed, multi-cloud database and is available across AWS, Google Cloud, and Microsoft Azure.

With offices worldwide and nearly 60,000 customers—including 75% of the Fortune 100 and AI-native startups—relying on MongoDB for their most important applications, we're powering the next era of software.

Our compass at MongoDB is our Leadership Commitment, guiding how and why we make decisions, show up for each other, and win. It's what makes us MongoDB.

To drive the personal growth and business impact of our employees, we're committed to developing a supportive and enriching culture for everyone. From employee affinity groups, to fertility assistance and a generous parental leave policy, we value our employees' wellbeing and want to support them along every step of their professional and personal journeys. Learn more about what it's like to work at MongoDB, and help us make an impact on the world!

MongoDB is committed to providing any necessary accommodations for individuals with disabilities within our application and interview process. To request an accommodation due to a disability, please inform your recruiter.

MongoDB, Inc. provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type and makes all hiring decisions without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.

Req ID #1263082298

Salary : $168,000 - $330,000

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