Senior Software Engineer, Backend

The role

You will design and operate backend systems that turn AI capabilities into product experiences. You will build secure, multi-tenant services and orchestrate interactions with LLMs and agentic tools.

What you will do

• Collaborate with Product to prioritize customer-focused work.
• Design and own backend services and APIs.
• Model and manage data in Postgres and related data stores.
• Build secure, multi-tenant, permissions-aware systems.
• Implement backend features and workflows using LLMs and agentic tools.
• Collaborate with frontend, product, and design partners to ship features end-to-end.
• Add logging, metrics, and tracing for service observability.
• Improve performance and scalability by profiling bottlenecks and tuning queries.
• Participate in code reviews, technical design discussions, and an on-call rotation.

Required qualifications

• 6+ years of backend engineering experience building and operating production web applications or SaaS products.
• Track record of building fast-growing SaaS products by leveraging PWA technologies.
• Track record of shipping highly intuitive products.
• Strong programming skills in Python.
• Experience with a modern web framework (e.g., FastAPI or Flask).
• Hands-on experience with relational databases (e.g., Postgres).
• Solid understanding of API design, authentication/authorization, background job patterns, and robust error handling.
• Experience building for Cloud Infrastructure such as Azure, AWS, or GCP.
• Comfort operating services in production using logs, metrics, dashboards, and alerts.
• Participation in an on-call rotation.

About the company

Harvey is transforming how legal and professional services operate by combining frontier agentic AI, an enterprise-grade platform, and deep domain expertise.