Staff Software Engineer, Backend Platform

Stack

Responsibilities

• ▹Develop and maintain Harvey's internal backend frameworks and libraries (API routing, service lifecycle management, caching and messaging primitives, error handling interfaces, etc.)
• ▹Create and improve APIs, service templates, and versioned interfaces that establish consistent patterns for building new services and features
• ▹Introduce and champion modern backend architecture patterns like asynchronous I/O (asyncio) and streaming data processing
• ▹Design Harvey-specific abstractions and domain-specific frameworks covering cross-cutting concerns (authorization, streaming) and areas like data governance and event processing
• ▹Embed reliability and observability into the platform by building in tracing, metrics, and automated tests
• ▹Collaborate with the Model Infrastructure team on challenges unique to GenAI-native applications, such as high-throughput model inference and streaming API interactions
• ▹Collaborate with Developer Experience and Infrastructure teams to integrate platform components into the deployment and monitoring ecosystem
• ▹Work closely with product engineering teams to gather feedback, evangelize best practices, and make the 'paved road' approach a reality

Requirements

• ▹7+ years of software engineering experience (post-BS/MS), including building scalable backend systems or internal developer platforms
• ▹Proficiency in Python (or similar languages) and deep knowledge of backend development fundamentals (APIs, data stores, concurrency, distributed systems)
• ▹Hands-on experience with web frameworks and service architectures (e.g. Flask/FastAPI, bounded context services, microservices) and designing clean, versioned APIs
• ▹Familiarity with caching, messaging, and database technologies (Redis, Kafka, SQL/NoSQL databases, vector databases)
• ▹A track record of writing high-quality, well-tested code using unit/integration testing, static typing, and CI tools
• ▹Strong problem-solving skills and a passion for improving developer experience
• ▹Excellent collaboration and communication skills, with the ability to work across teams and incorporate feedback

Nice to have

• ▹Experience contributing to or maintaining internal libraries/frameworks

Soft skills

About the company

Harvey is transforming how legal and professional services operate, combining frontier agentic AI, an enterprise-grade platform, and deep domain expertise. With 1500+ customers in 60+ countries, strong product-market fit, and world-class investor support, they are scaling fast.