Senior Software Engineer (Server Security)

We are hiring a Senior Software Engineer to join our Server Security team. The Server Security team is a development-focused group within MongoDB's core engineering organization. Operating "close to the bottom of the stack," the team builds features that enable database users to secure their data globally. You will work on critical components including:

• Cryptography: Queryable Encryption, at‑rest data encryption, and fundamental cryptographic principles.
• Identity & Access: Authentication and authorization systems, TLS, and X.509 certificate management.
• Network Security: High-performance, low-latency networking protocols (PKI, Hashing, CRLs).
• System Integrity: Resilience, observability, and compliance assurance within a large-scale distributed database.

Our team champions a strong culture of inclusivity, diversity, and collaboration. If you want to work on a collaborative team that applies distributed systems fundamentals to deliver core features of a popular database, join us! Let’s change what’s possible for application developers, system architects, and database operators.

The role

As a Senior Engineer, you will apply distributed systems fundamentals to deliver core security features. You will be a leader in improving MongoDB's security posture by owning features and leading investigations into complex areas of the codebase.

What you’ll do

• Build and test new security features in a large, feature-rich C++ codebase.
• Work across engineering, cloud services, and support teams to coordinate feature rollouts and changes.
• Stand for code quality and security best practices, assisting fellow engineers in writing well-reasoned, secure code.
• Use strong diagnostic intuition to solve thorny technical issues related to distributed systems, concurrency, and OS internals.

This role can be remote or hybrid anywhere in the USA or Canada. We will prioritize candidates who are already located in one of these countries.

Candidate Profile

We are looking for a highly technical engineer who thrives on the theory and practice of large-scale distributed system design.

• 5+ years of experience building distributed systems.
• Proficiency in a compiled language (C++, Rust, Go, Java, or similar). Technical interviews will be conducted in a compiled language of your choice.
• Ability to reason about how specific design choices impact a distributed system like MongoDB.
• Understands modern computer architecture and internals to the degree that they can reason about how specific design choices plays out in a system like MongoDB.
• Degree in Computer Science or similar field, or equivalent practical experience, with strong competencies in data structures, algorithms, and software design/architecture.
• Excellent communication skills to synthesize complex technical implications for diverse stakeholders.

Success Measures

• In your first month, you’ll understand the high‑level architecture of MongoDB, dive into the details of your team’s components, and resolve a few bugs.
• In the first three months, you’ll contribute to the development of a project slated for the next release of MongoDB, take on code review responsibilities, and participate in design reviews for new features.
• In the first six months, you’ll lead the development of a new feature and help mentor new engineers on the team.

Compensation & Benefits

MongoDB’s base salary range for this role in Canada is:

$137,000—$189,000 CAD

Other benefits for eligible employees may include: equity, participation in the employee stock purchase program, flexible paid time off, 20 weeks fully-paid gender-neutral parental leave, fertility and adoption assistance, Registered Retirement Savings Plan (RRSP) with employer match, mental health counseling, backup child and elder care, and health, dental, and vision benefits offerings.

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 is an equal opportunities employer.

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