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HTS Media (Hopper's Advertising and Media division) is hiring a Senior Backend Engineer, MCP, RAG and Fine-Tuning

About the Role

As a Senior Backend Engineer, you'll play a key role in evolving a high-scale, multi-tenant travel commerce engine powered by artificial intelligence. Your focus will be on refining backend systems to support intelligent agent operations, enabling faster, safer, and more autonomous development cycles from concept to deployment.

What You'll Do

  • Enhance code architecture to improve performance and safety for AI agents operating across complex workflows
  • Design scalable patterns and foundational services that accelerate the launch of new customer-facing portals
  • Leverage AI to draft clear technical documentation and drive consensus in an asynchronous, high-autonomy environment
  • Orchestrate AI agents to build and deploy full-stack features with minimal oversight, from UX to data layer
  • Collaborate with product managers and business stakeholders to shape roadmap priorities and technical direction
  • Establish automated guardrails and feedback mechanisms to ensure reliability and efficiency in AI-driven development
  • Train, deploy, and continuously refine large language models to power intelligent product capabilities

What We're Looking For

  • Proven ability to navigate and improve complex, unfamiliar codebases with speed and precision
  • Experience directing AI-powered workflows to design and maintain robust, distributed systems
  • Strong architectural judgment with a focus on long-term maintainability and customer impact
  • Deep understanding of distributed systems, with hands-on expertise or a strong drive to master Scala
  • Skill in giving and receiving candid, growth-oriented feedback within a collaborative engineering culture

Technology Stack

Scala, Google Cloud Platform (GCP), React, TypeScript

Work Environment

This role supports remote work across time zones, offering flexibility and autonomy. You'll operate within a lean, high-impact team where initiative and innovation are central to daily work.

Culture & Benefits

We foster a trust-based, entrepreneurial environment where risk-taking and fast iteration are encouraged. Benefits include competitive salary, pre-IPO equity, comprehensive medical coverage, generous parental leave, and unlimited PTO. Additional perks include a work-from-home stipend, teleworking utility subsidy, Carrot Cash for travel, and access to flexible coworking spaces.

Required Skills
ScalaGCPReactTypeScriptAI agentsautomated workflowsdistributed systemstechnical guardrailsautomated feedback loopsproduct thinkingcustomer experiencesoftware architecturefine-tuningRAGMCP ScalaGCPdistributed systemsAI agentsautomated workflowsReactTypeScriptRAGfine-tuningtechnical guardrailsremote developmentmulti-tenant systemssoftware architecturecustomer experience focusfast-paced delivery
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About company
HTS Media (Hopper's Advertising and Media division)
HTS Media is Hopper’s advertising and media division, built to help travel brands, destinations, and suppliers connect with travelers at scale. Our mission is to build the travel industry’s leading retail media network, turning advertising into a major driver of profitability for Hopper and our partners.
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Job Details
Department Commerce
Category backend
Posted 12 days ago