Software Engineer 3

MongoDB•New York, NY

23h•$106,000 - $209,000•Hybrid

About The Position

MongoDB is hiring a Software Engineer for its Atlas Agent Engine team. Atlas Agent Engine is an agent development platform built on Atlas that enables enterprises to build, deploy, and govern AI agents in production using real-time operational data. The role focuses on building and scaling the platform’s core, including its developer CLI, SDKs, and distributed systems for reliably running agents at scale. Areas include runtime, memory, retrieval, identity, and governance. Projects will improve the performance, scalability, and reliability of a new product. The engineer will collaborate across research, product management, product engineering, product design, and other company teams to deliver the initial service and its future evolution. The position contributes to architecture, code reviews, development practices, and developer experience as the team and product grow, and includes project ownership and mentoring fellow engineers. MongoDB uses a hybrid working model and is seeking candidates based in New York City.

Requirements

At least 3 years of experience building distributed systems and/or foundational cloud services at scale.
Strong background building core components for high-scale compute and data distributed systems.
Interest in working with Go, Python, and TypeScript.
Proven ability to design, write, test, debug, and performance-tune software.
Strong grasp of foundational computer science concepts.
Experience maintaining distributed and/or highly concurrent software systems in large, long-lived codebases.
Track record of identifying problems, implementing solutions, and delivering complex projects in distributed systems or databases.
Good verbal and written technical communication skills and a desire to collaborate with colleagues.
Strong technical background and eagerness to learn.

Nice To Haves

Experience with AI frameworks and tools.
Experience with open standards such as MCP and A2A.
Experience with multi-tenant security, enterprise authentication, and identity management.

Responsibilities

Work with research, product management, product engineering, product design, peers, and other company teams to implement the first version and future evolution of the service.
Design, build, and deliver well-tested core platform components in collaboration with relevant stakeholders.
Help shape architecture, code reviews, development practices, and developer experience as the teams and product grow.
Mentor fellow engineers and take ownership and accountability for projects.
Build and scale the platform’s developer CLI, SDKs, and distributed systems, including runtime, memory, retrieval, identity, and governance layers.