Senior Backend Engineer (AI)

TL;DR

Senior Backend Engineer (AI): Design and build high-availability backend systems for a clinical AI platform, including event-driven architectures, data pipelines, and orchestration layers for AI agents, with an accent on reliability, safety, and performance. Focus on ensuring system compliance under strict regulatory constraints like HIPAA/GDPR and owning AI-generated code contributions.

Location: Remote (Europe), with offices in Barcelona, Spain and London, UK.

Company

hirify.global is a health technology company offering Qu, a comprehensive AI assistant built by clinicians for clinicians, designed to address healthcare professional shortages.

What you will do

• Implement and maintain well-designed domain-driven backend services.
• Build scalable systems for supporting customer features and the operational platform.
• Implement resilient, high-throughput data pipelines.
• Ensure accuracy, safety, and compliance in all system interactions with clinical data.
• Own reliability, observability, and fallback strategies for backend systems.
• Collaborate closely with AI, Clinical, QA, and Security teams.
• Validate and own all AI-generated code contributions.

Requirements

• Healthcare related experience working under SOC2/ISO27001, HIPAA/GDPR, or medical device regulatory requirements.
• 10+ years in backend engineering with high-scale distributed systems.
• Expert in Python, FastAPI, async systems, and event-driven architectures.
• Strong knowledge of object and relational databases, caching, message streams, and message queues.
• Proficiency in engineering standards including DDD, CQRS, Design Patterns, SOLID Principles, DRY, KISS, and TDD.
• Experience with cloud and DevOps tools like GCP, Kubernetes, Docker, and Terraform.
• Deep understanding of resilient systems, fault tolerance, and high availability.
• Excellent communication skills.

Nice to have

• Knowledge of Hexagonal Architecture.
• Experience with ML Ops, RAG, LLM workflows, voice agents, STT/TTS diarization.
• Exposure to telephony/VoIP infrastructure.

Culture & Benefits

• Work on a deeply hands-on, technical, and foundational role impacting reliability, safety, and performance.
• Collaborate closely with AI, Clinical, QA, and Security teams.
• Contribute to a mission-driven company culture with exceptionally smart experts.
• Opportunity to make backend systems a global reference for reliability, safety, and performance.
• Achieve and maintain >99.99% availability under strict regulatory constraints.
• Enable rapid and safe building of new clinical workflows and AI agent capabilities.
• Engage in elevating, correcting, and taking ownership of AI-generated code.