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C the Signs Tech Stack

AI cancer detection platform for primary care clinics

Hospitals and Health Care London 51–200 employees Founded 2017 Partnership

C the Signs operates a GCP-native ML platform (Vertex AI, BigQuery, Kubernetes) designed to detect cancer across 100+ types in primary care settings. The engineering-heavy hiring focus and project backlog reveal the core challenge: moving from batch ML inference to low-latency clinical decision-making at scale. Active work on agentic workflows, LLM-as-a-judge validation, and observability suggests they're building toward real-time AI agents that can reason over patient data while navigating HIPAA/GDPR constraints—a significant operational lift beyond typical healthtech ML.

Tech Stack 82 technologies

Core StackVertex AI BigQuery Kubernetes LangChain Python RAG Scala Java AWS Apache Spark Apache Airflow TensorFlow PyTorch scikit-learn Pandas NumPy React TypeScript JavaScript Vertex AI Vector Search Cloud Run LangGraph Dialogflow CX GCP Azure FHIR HL7 DeepSpeed Ray Hugging Face Accelerate+52 more

What C the Signs Is Building

Challenges

  • Hipaa/gdpr compliance for ai operations
  • Low-latency inference and high availability
  • Low-latency inference for clinical users
  • Large diverse healthcare datasets
  • Compliance with hipaa
  • Scaling platform for new markets
  • Ensuring platform quality across touchpoints
  • Transforming passive ai responses into active behaviors
  • Scaling automated testing
  • Pii masking and data governance

Active Projects

  • Enterprise grounding implementation
  • Agentic workflow design
  • Agent deployment on vertex ai
  • Llm-as-a-judge framework
  • Scalable data pipelines for healthcare datasets
  • Comprehensive test strategies for web and mobile applications
  • Scalable automated testing frameworks for ui, api, integration testing
  • Llm training data pipeline
  • Observability stack enhancement
  • Multi-modal data integration

Hiring Activity

Accelerating35 roles · 20 in 30d

Department

Engineering
20
Data
7
Ops
2
Healthcare
1

Seniority

Senior
17
Mid
6
Lead
5
Staff
2
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About C the Signs

C the Signs is an NHS-founded AI platform for early cancer detection deployed across UK primary care. The product integrates with GP practice systems and uses advanced ML (TensorFlow, PyTorch, Hugging Face) to estimate cancer risk and tumor origin from patient records, clinical data, and test results. The company operates at clinical scale: the platform processes detections continuously and serves thousands of healthcare professionals across 1,500+ practices. Revenue model and exact customer acquisition details are not disclosed, but adoption appears driven by NHS integration and clinical validation. Engineering and data teams dominate the org, with hiring accelerating in the United States.

HeadquartersLondon
Company Size51–200 employees
Founded2017
Hiring MarketsUnited States

Frequently Asked Questions

What tech stack does C the Signs use?

Google Cloud Platform (Vertex AI, BigQuery, Cloud Run, Kubernetes), Python, Scala, Java, TensorFlow, PyTorch, LangChain, FHIR/HL7 for healthcare data exchange, React/TypeScript for the frontend, and Apache Spark/Airflow for data pipelines.

What is C the Signs working on?

Key projects include agentic workflow design, LLM-as-a-judge validation frameworks, low-latency inference optimization for clinical users, scalable data pipelines for healthcare datasets, and observability stack enhancement. HIPAA/GDPR compliance and automated testing infrastructure are also active priorities.

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