Role Overview As a Staff Full Stack Software Engineer at Harvey, you’ll play a pivotal role in shaping the foundation of our product platform while directly building user‑facing features for some of the world’s leading law firms and enterprise customers. This team owns and operates the platform layer that enables secure, reliable, and flexible experiences for our customers including notifications, permissions and feature flag infrastructure. We also build enterprise‑grade collaboration product experiences for law firms. You will design and own systems that not only serve as critical infrastructure for the rest of the company, but also directly impact how our users engage with Harvey’s AI‑powered legal tools. This role is ideal for engineers who are excited by the opportunity to move between deep platform thinking and hands‑on product iteration. This role is based in Toronto, Canada. We use a hybrid, 3+ days per week in‑person work model and offer relocation assistance to new employees. What You’ll Do Design and build foundational infrastructure including authentication, permissions, feature flagging, notifications, and document management integrations Build and evolve Harvey’s internal product platform, accelerating development across multiple product lines and engineering teams Lead development of enterprise‑facing features, such as secure multi‑party collaboration, cross‑organization workflows, and robust admin controls Maintain high standards for security, privacy, and system reliability, particularly in handling sensitive legal data Collaborate cross‑functionally with product, AI, design, and GTM teams to deliver delightful, enterprise‑ready experiences What You Have 5+ YoE (post‑BS/MS) in a product‑focused full‑stack software engineering role. Experience with React, Typescript, CSS (TailwindCSS), Python, or related. Track record of building fast‑growing SaaS products by leveraging PWA technologies. Track record of shipping highly intuitive products, strong attention to detail. Experience building backend platforms that can support multiple product lines. Strong programming skills and general Computer Science knowledge. What We Offer Be part of building something special as a founding member of our Toronto team. Structured hybrid working arrangement: 3 days in our Toronto office, 2 days working from home. Harvey is an equal‑opportunity employer and does not discriminate on the basis of race, gender, sexual orientation, gender identity/expression, national origin, disability, age, genetic information, veteran status, marital status, pregnancy or related condition, or any other basis protected by law. We are committed to providing reasonable accommodations to applicants with disabilities, and requests can be made by emailing #J-18808-Ljbffr