Senior C++ Engineer, Stream Processing Core

MongoDB; New York (NY); On-site; USD 126,000 - 248,000; Full time

Job summary

MongoDB is seeking a Senior Software Engineer to design, build, and evolve the C++ stream processing engine powering Atlas Stream Processing, built on the Aggregation Framework. The role entails end-to-end ownership of core execution components and collaboration with a startup‑like team within MongoDB.

You will mentor engineers, drive architecture decisions, and deliver high-performance, distributed data processing features for large-scale deployments.

Qualifications

• Strong background in database internals or building core components for data processing systems (including query execution, storage engines, autotuning, and workload optimization)
• 5+ years of experience in building database services, distributed systems, and/or foundational cloud services at scale
• Proven success in designing, writing, testing, debugging, performance tuning, possessing a strong grip on the foundational material of computer science, and maintaining distributed and/or highly concurrent software systems in large, long-lived code bases
• Good verbal and written technical communication skills, desire to collaborate with colleagues, mentor fellow engineers, and assume project ownership and accountability
• Track record of identifying problems, implementing solutions, and delivering complex projects in distributed systems or databases
• Strong sense of ownership, accountability, and pride

Responsibilities

• Design, build, and deliver core components of the system in collaboration with other stakeholders
• Help shape architecture, development practices, and escalation policies as the teams and the product grow
• Mentor fellow engineers and assume ownership and accountability of projects

Skills

Database internals

Distributed systems

Cloud services

Performance tuning

C++

Technical leadership

Mentoring

Communication

Ownership

Problem solving

Tools

Flink

Spark

Beam

Kafka Streams

Job description

MongoDB is seeking a Senior Software Engineer to design, build, and evolve the C++ stream processing engine powering Atlas Stream Processing, built on the Aggregation Framework. The role entails end-to-end ownership of core execution components and collaboration with a startup‑like team within MongoDB.

You will mentor engineers, drive architecture decisions, and deliver high-performance, distributed data processing features for large-scale deployments.