Senior Backend Engineer - Lodging and Cars

Hopper Inc.

Job Overview

Location

Ireland - Remote

Job Type

Full-time

Full Job Description

📋 Description

• Execute end-to-end technical integrations with external lodging, cars, and GDS partners, navigating complex communication protocols and distributed data schemas.
• Write clean, performant code in Scala or other JVM languages to maintain, evolve, and uphold rigorous engineering standards for mission-critical lodging services.
• Explore and troubleshoot existing complex codebases to deep-dive into infrastructure and resolve production issues in a distributed system environment.
• Partner with Product Managers and Operations to decompose business requirements into technical tasks and estimate delivery timelines.
• Take full ownership of the development lifecycle for new product features, from initial technical implementation and testing to production deployment.
• Contribute to the design of highly resilient, low-latency services to ensure a seamless booking experience for customers under high load.
• Participate in thorough code reviews and identify opportunities to optimize scalability, performance, and system health.
• Navigate a complex microservices environment to deliver reliable booking fulfillment and integrate new lodging and cars partners into the core stack.
• Optimize system monitoring to enhance reliability and operational efficiency within a high-volume, real-time transaction ecosystem.
• Operate as an independent contributor in a remote-first environment, demonstrating self-direction and immediate technical execution within an established, high-growth travel platform.
• Collaborate with cross-functional squads to align technical delivery with business goals, maintaining strong communication and a bias for action.
• Maintain professional curiosity for the travel tech industry and a commercial mindset focused on delivering reliable booking fulfillment.

🎯 Requirements

• Strong proficiency in Scala or other JVM languages, such as Java or Kotlin, with a focus on building scalable, high-throughput services.
• Proven track record of owning the technical implementation, testing, and deployment of features within a microservices architecture.
• Practical experience with distributed systems and service communication methods including gRPC, Pub/Sub, and REST.
• Ability to onboard quickly and handle technical ambiguity by independently exploring and executing technical plans within existing infrastructure.
• Excellent communication skills and a "bias for action" to effectively collaborate with cross-functional squads in a remote-first environment.
• Professional curiosity for the travel tech industry and a commercial mindset focused on delivering reliable booking fulfillment.

🏖️ Benefits

• Independent contractor engagement with flexibility to operate as a self-employed individual or through a Personal Service Company (PSC).
• Opportunity to work with a globally recognized travel platform serving over 120 million users and powering major brands like Capital One, Nubank, and Air Canada.
• Exposure to high-volume, real-time transaction systems and cutting-edge fintech products used by millions of travelers.
• Engagement with a company named #1 most innovative in travel by Fast Company and a leader in North American online travel.

Skills & Technologies

Java

Kotlin

Scala

REST

gRPC

Backend

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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