Senior Software Engineer, MongoDB

• 3+ years of experience working on database or storage internals, or building core components of data processing systems such as query execution engines, storage layers, workload optimization, or autonomous tuning
• Proficiency in systems programming with languages like Go, Java, C++, or Rust
• Hands-on experience building and operating distributed systems at scale
• Excellent verbal and written technical communication skills and desire to collaborate with colleagues, mentor fellow engineers and lead projects
• Bachelor’s or Master’s degree in Computer Science or a related field, or equivalent practical experience

• Our team builds and operates the backend systems that make this possible—from query planning and optimization, to execution and data access across heterogeneous backends
• We own critical infrastructure that operates at high volume and low latency, handling complex federated queries over exabytes of data
• As a senior software engineer on the Atlas Data Federation (ADF) team, you’ll be trusted with high-impact, high-visibility work on a rapidly growing platform
• You’ll have the opportunity to design and implement core components of our distributed query engine
• Your work will directly improve the performance, memory efficiency, and reliability of our systems
• In addition, you’ll play a key role in improving our distributed control plane, which manages infrastructure and workload routing across the system
• You'll participate in on-call rotations, leading incident response and postmortem analysis
• Collaboration is central to this role—you’ll partner closely with other MongoDB teams, including those working on drivers, the core server, and cloud services, to ensure seamless integration and a cohesive developer experience
• In 3 months, you’ll have contributed to a key project and fixed a few impactful bugs
• In 6 months, you’ll be reviewing code and involved in design discussions for new features
• In 12 months, you’ll lead a major initiative and mentor newer engineers on the team

• Rich health insurance coverage
• Virtual & on-site fitness classes
• Health screenings & telemedicine
• Access to transgender-inclusive health insurance coverage
• Global and internal mobility opportunities
• Equity & Employee Stock Purchase Program
• Pension & retirement programs
• Income Protection
• Flexible PTO is offered to every US employee & competitive time off policies for non-US employees
• Employee Assistance Program
• Mental health counseling
• Free meditation app access
• Fertility & adoption financial assistance
• Parental counseling for new parents
• 20 weeks of fully paid gender neutral parental leave & flexible work arrangements
• 4 weeks of emergency care leave

Total funding: $311.1m

MongoDB is an open-source, cross-platform, document-oriented database system. It stores data as JSON-like documents and is written in C++, Go, JavaScript and Python.