Staff Backend Engineer, AI Platform - 100% Remote - EMEA

Trusted by 20,000+ property managers worldwide, Hostaway is an industry leading, AI‑powered vacation rental management platform designed for professional short‑term rental operators. Hostaway brings everything together for greater efficiency and faster growth. This is a fully remote role but candidates must be based within EMEA.

About The Role

We are building Hostaway’s AI Platform— the foundational infrastructure that will power every AI‑driven feature across our product. As a Staff Engineer, you will own the architecture and technical direction of this platform, leading the design and implementation of a multi‑agent system including an agent orchestrator, LLM gateway, prompt and tool versioning, evaluation framework, and end‑to‑end observability.

What You’ll Do

• Own the AI Platform architecture and lead the technical vision for the multi‑agent system.
• Build production‑grade AI infrastructure, design and implement the core services that make AI features reliable, versioned, observable, and safe to ship at scale.
• Drive the evaluation and quality story, establish quality gates, prompt comparison workflows, hallucination detection, and CI/CD integration so that every AI feature ships with measurable confidence.
• Shape the LLM gateway strategy, ensure provider failover, model routing, cost tracking, and rate limiting are handled centrally.
• Champion cross‑team adoption and publish internal blueprints, define integration patterns, and ensure teams can build specialized agents without deep platform knowledge.
• Influence engineering‑wide practices, drive best practices for prompt engineering, tool design, observability, and agent testing across the organization.
• Mentor and elevate engineers, raise the technical bar across the AI team and beyond—through code review, architectural guidance, and hands‑on pairing.

Job Requirements

• 8+ years of software engineering experience, with at least 2 years operating at a Staff or equivalent level.
• Deep Python expertise with production‑grade Python services.
• Production experience with LLM‑based systems and understanding of prompt versioning, evaluation, cost management, observability, and failure modes.
• Strong architectural instincts and pragmatic trade‑offs between speed and extensibility.
• Familiarity with modern AI tooling ecosystem—PydanticAI, LangChain, LangGraph, LiteLLM, Langfuse, Phoenix, MLflow, or comparable tools.
• Multi‑agent architecture experience is a strong plus.
• Comfort working across a polyglot stack that includes Go, PHP, and React.
• Infrastructure fluency with AWS, Kubernetes, CI/CD pipelines, and operating services in production.
• Cross‑team influence and a track record of driving adoption of platforms, patterns, or standards beyond the immediate team.

What Success Looks Like

• The AI Platform becomes the trusted foundation for every AI feature at Hostaway.
• Prompt changes are versioned, tested, and rolled out with the same rigor as code deploys.
• AI features in production are observable, cost‑tracked, and recoverable with rapid incident resolution.
• Other engineering teams actively seek your guidance on building AI capabilities.
• The platform scales from the current use cases to a broader agent ecosystem without requiring a fundamental rearchitecture.

What We Offer

• Competitive compensation based on local market rates.
• 100% remote within country of residence.
• Equity in a fast‑growing and profitable company.
• Values‑driven leadership aligned with daily decisions.
• Professional growth with learning and career advancement opportunities.
• Annual paid leave aligned with country norms.
• Country‑specific benefits such as health insurance and pensions where customary.
• Diverse and international team culture spanning over 40 countries.