Senior Full Stack Product Engineer

Washington D.C. - Remote🌐 Remote💼 Full-time🗓 2026-06-11 → 2026-07-31

Core

Senior Full Stack Product Engineer building end-to-end travel commerce features and AI-assisted development workflows for Hopper's B2B platform.

Role type

Senior Full Stack Product Engineer (AI-integrated)

Builds

Configurable, multi-tenant travel commerce engine and partner booking experiences

Domain

Travel technology / Fintech / B2B SaaS

Deliverable

production ML models | product features

Required skills

Full-stack development, AI agent orchestration, distributed systems architecture, product thinking, asynchronous decision making, Scala, React, TypeScript

Preferred skills

Experience with Go, Python, or Java, mastery of AI guardrails and feedback loops

Technologies

Scala, GCP, React, TypeScript

Responsibilities

Identify and execute codebase improvements for human and AI agent efficiency, build new features from UX to database, architect scalable solutions for partner experiences, drive roadmap decisions with PMs, collaborate on technical vision

Seniority

Senior, hands-on IC

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About hopper

Software Development1055Montreal, QC, CA

Hopper is a global travel platform that powers Hopper’s mobile app, as well as partners' direct channels via HTS (Hopper Technology Solutions). Hopper combines a best-in-class travel agency, industry-leading e-commerce, and proprietary financial services to help users travel better — and partners earn more. To do this, the company developed several unique fintech ancillaries that address everything from pricing volatility to avoiding trip disruptions. Through HTS, Hopper’s B2B business, the company supercharges its partners’ direct channels with its full suite of offerings. Hopper sells billio