Senior Software Engineer - Backend
Quadrivia AI
- London, England, United Kingdom
- London, England, United Kingdom
About
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.
Key Responsibilities
Implement and maintain backend services with well‑designed domain‑driven boundaries.
Build scalable systems to support 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 with observability and 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 under SOC2/ISO27001, HIPAA/GDPR, or medical device regulatory requirements.
10+ years in backend engineering with high‑scale distributed systems.
Expertise in Python, FastAPI, async systems, and event‑driven architectures.
Strong knowledge of object‑relational databases, caching, message streams, and message queues.
Engineering standards: DDD, CQRS, Design Patterns, SOLID 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.
Nice to Have
Knowledge of Hexagonal Architecture and 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.
Services operate with >99.99% availability under strict regulatory constraints.
Engineers can rapidly and safely build new clinical workflows and agent capabilities.
AI‑generated code is consistently elevated, corrected, and owned.
Seniority level Mid‑Senior level
Employment type Full‑time
Job function Engineering and Information Technology
Industry Health and Human Services
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Languages
- English
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