Senior Software Engineer - AI Fintech foundation

Hopper Inc.

Job Overview

Location

New York - Remote

Job Type

Full-time

Full Job Description

📋 Description

• Senior Software Engineer on Hopper's Fintech Foundation team, responsible for designing and building machine learning systems that power the company's pricing engine, directly impacting revenue, financial risk management, and customer experience for over 100 million monthly active users.
• Day-to-day responsibilities include designing automated training pipelines, building ETL pipelines with feature engineering, developing and deploying real-time ML pricing solutions, monitoring production systems for latency and drift, running champion-challenger tests, and collaborating with data science, engineering, and product teams to translate business needs into technical solutions.
• The Fintech Foundation team owns Hopper's pricing engine, balancing customer demand against financial risk across partners like Capital One, Air Canada, and Spirit Airlines, and plays a central role in the company's mission to reshape travel experiences through data-driven fintech innovation.
• This role offers the opportunity to work at the intersection of ML engineering and commercial impact, shaping real-time pricing at scale while gaining deep expertise in production ML systems, distributed data processing, and fintech applications within a high-growth, pre-IPO environment.

🎯 Requirements

• 5+ years of experience in a similar role, ideally within production ML systems or large-scale pricing platforms
• Proficiency in Python, Scala, and SQL, applied to production ML systems rather than exploratory work
• Experience in data modelling, software architecture, and distributed data processing frameworks at scale
• Deep understanding of ML algorithms and when to apply them in the context of pricing, demand forecasting, or similar commercial domains
• Strong analytical instincts and attention to detail, with a track record of catching issues before they reach production
• Clear, collaborative communication skills that hold up across data science, engineering, and business stakeholder audiences

🏖️ Benefits

• Well-funded and proven startup with large ambitions, competitive salary and the upsides of pre-IPO equity packages
• Unlimited PTO
• Carrot Cash travel stipend
• Access to co-working space on demand through FlexDesk AND Work-from-home stipend
• Very generous parental leave, much above industry standards
• 100% employer paid Medical, Dental and Vision coverage for employees
• Access to Disability & Life insurance
• Health Reimbursement Account (HRA)
• DCA/FSA and access to 401k plan
• Entrepreneurial culture where pushing limits and taking risks is everyday business
• Open communication with management and company leadership
• Small, dynamic teams = massive impact

Skills & Technologies

Python

Scala

Senior

Remote

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Hopper Inc.

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About Hopper Inc.

Hopper is a travel technology company that uses predictive analytics and machine learning to forecast flight and hotel prices, allowing consumers to book travel at optimal times. Founded in 2007 and headquartered in Montréal, Canada, it operates mobile-first booking platforms and provides fintech products like price freeze, cancel-for-any-reason, and rebooking guarantees to reduce travel risk.

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