Senior Software Engineer – AI Fintech

🕒 April 20

🇬🇧 United Kingdom – Remote

⏰ Full Time

🟠 Senior

🧑‍💻 Full-stack Engineer

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Hopper

WebsiteLinkedInAll Job Openings

201 - 500 employees

💰 $96M Venture Round on 2022-11

Travel • Technology

Hopper is a travel booking platform that offers a one-stop solution for planning trips, including flights, hotels, rental cars, and homes. The platform features advanced options such as price prediction, disruption assistance, and the Price Freeze™ feature, allowing travelers to secure deals and manage changes conveniently. Hopper is known for its mobile app availability on iOS and Android, providing a streamlined experience for its users. It serves millions of travelers worldwide, offering VIP support and various affiliate programs for partners.

📋 Description

• Design and implement automated, reusable training pipelines to ensure consistent, scalable model delivery across the partner portfolio • Build ETL pipelines with thoughtful feature engineering to guarantee clean, reliable inputs for pricing models • Develop and deploy real-time ML pricing solutions to production, owning the full path from model to live environment • Monitor production systems for latency, drift, and training-serving skew, optimising continuously to maintain model integrity • Run champion-challenger tests on pricing and product construction levers to surface improvements and respond to shifting market conditions • Partner with data scientists, engineers, and product stakeholders to translate business needs into well-scoped technical solutions

🎯 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 • A product mindset that keeps the customer outcome in view, even when the work is deeply technical • 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, upsides of pre-IPO equity packages. • Hopper covers 100% of the premiums for the employee for a group insurance plan through Vitality Health. • Automatic contributions when you start with Hopper through Smart Pension. • Please ask us about our very generous parental leave, much above industry standards!. • Access to co-working space on demand through FlexDesk AND Work-from-home stipend. • Carrot Cash travel stipend. • Unlimited PTO. • Entrepreneurial culture where pushing limits and taking risks is everyday business. • Open communication with management and company leadership. • Small, dynamic teams = massive impact