Senior Software Engineer - Backend

quadrivia· Technical
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🌍 Remote📍 Barcelona📍 London📍 RemoteFullTime

About this role

About Us

Quadrivia is the health technology company behind Qu, a comprehensive, controllable, and customizable assistant AI built by clinicians, for clinicians. Addressing the urgent shortage of healthcare professionals, Qu provides real-time, personal, and reliable support for clinical tasks across the care continuum. Designed for providers, payers, and pharmaceutical companies, Qu is easy to customize and integrates seamlessly into workflows, delivering precise assistance across the care spectrum.

The Role

You will design and build the backend systems powering the Quadrivia clinical AI platform—including high-availability services, event-driven architectures, data pipelines, and the orchestration layers used by our clinical AI agents (see pages 15–20 on orchestrator and knowledge base).

This role is deeply hands-on, technical, and foundational to our reliability, safety, and performance.

Key Responsibilities

  • Implement, and maintain backend service (not tiny microservices—well-designed domain-driven boundaries).

  • Build scalable systems for supporting customer features and operational platform.

  • Implement resilient, high-throughput data pipelinessa.

  • Ensure accuracy, safety, and compliance in all system interactions with clinical data.

  • Own reliability: observability, fallback strategies.

  • Collaborate closely with AI, Clinical, QA, and Security teams.

  • Write clean, test-driven, maintainable code.

  • Validate and own all AI-generated code contributions.

Required Experience

  • 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 database, caching, message stream, message queues.

  • Engineering standards: , DDD, CQRS, Design Patterns, SOLIP Principles, DRY, KISS, TDD

  • Cloud & DevOps literacy: GCP, Kubernetes, Docker, Terraform

  • Deep understanding of resilient systems, fault tolerance, and high availability.

  • Excellent communicator—clear, structured, concise, preferably following S.T.A.R/S.A.R or related.

  • Culture fit: kind, exceptionally smart, mission-driven, field expert.

  • Healthcare related experience working under SOC2/ISO27001, HIPAA/GDPR, or medical device regulatory requirements.

Nice to Have

  • Knowledge of Hexagonal Architecture, CQRS

  • Experience with ML Ops, RAG, LLM workflows, voice agents, STT/TTS diarization.

  • Exposure to telephony/VoIP infrastructure.

What Success Looks Like

  • Quadrivia’s backend systems become a global reference for reliability, safety, and performance.

  • Your services operate with >99.99% availability under strict regulatory constraints.

  • Engineers can build new clinical workflows and agent capabilities rapidly and safely.

  • AI-generated code is consistently elevated, corrected, and owned by you.

Frequently Asked Questions

Is the salary disclosed for the Senior Software Engineer - Backend position at quadrivia?
The salary for this Senior Software Engineer - Backend role at quadrivia is not publicly listed. Click "Apply Now" to learn more about the compensation package on their official careers page.
Is the Senior Software Engineer - Backend job at quadrivia remote?
Yes, this Senior Software Engineer - Backend position at quadrivia is remote, with team members based in Barcelona, London, Remote. You can work from home or anywhere in the supported regions.
Is the Senior Software Engineer - Backend role at quadrivia full-time or part-time?
This is listed as a FullTime position. It is posted as a Senior Software Engineer - Backend role in the Technical department at quadrivia.
Which team or department does the Senior Software Engineer - Backend at quadrivia belong to?
This Senior Software Engineer - Backend position is part of the Technical department at quadrivia. See the full job description for more information about the team structure and responsibilities.
How do I apply for the Senior Software Engineer - Backend position at quadrivia?
Click the "Apply Now" button on this page. You will be redirected to quadrivia's official application portal hosted on ashby where you can submit your application directly.
When was the Senior Software Engineer - Backend job at quadrivia posted?
This Senior Software Engineer - Backend position at quadrivia was posted on Dec 12, 2025. Apply as soon as possible — early applications are often reviewed first.
Senior Software Engineer - Backend
quadrivia
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