Radiant

Principal Software Engineer

Radiant
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2 days ago
United Kingdom (city not specified)Staff+

Responsibilities

  • Set the technical vision and architecture for the assigned team area and lead design and implementation.
  • Design and build reliable distributed systems running on GPU infrastructure at scale.
  • Translate product and customer requirements into architectures, APIs, and technical designs.
  • Own system performance, reliability, and cost as the platform grows.
  • Partner with SRE, infrastructure operations, and customers on operations, incident response, and demanding workloads.
  • Mentor engineers and raise engineering standards through design reviews, code reviews, and technical guidance.
  • Drive capabilities from design through production, operation, and continuous improvement.

Requirements

  • Extensive experience building and operating large-scale distributed systems, infrastructure software, or ML platforms.
  • Track record of technical leadership at staff or principal level, including setting direction across multiple teams and delivering complex systems.
  • Strong hands-on engineering skills in Go, Python, or similar.
  • Deep expertise in infrastructure and cluster management, observability, MLOps training, or MLOps inference.
  • Strong foundations in Kubernetes, containers, Linux, high-performance networking, and GPU clusters.
  • Hands-on experience with technologies such as Redfish, Prometheus, OpenTelemetry, ClickHouse, Kafka, Slurm, vLLM, or NVIDIA Triton.
  • Excellent written and verbal communication, including design documentation and explaining technical trade-offs.
  • Comfort working directly with customers on highly technical problems.

Benefits

  • 25 days of annual leave.
  • Private medical insurance through Bupa.
  • Cycle to Work Scheme.
  • Gympass subscription to gyms and wellbeing apps.
  • Participation in the company shares program.
  • Enhanced parental pay and leave.
  • Dedicated learning time for new skills, projects, or interests.
  • Open communication, regular feedback, and a results-focused work culture.

Tech Stack

Categories

Radiant

About Radiant

501-1,000 employees

RadiAnt develops RadiAnt DICOM Viewer, a lightweight Windows application for viewing and analyzing medical images from CT, MRI, PET, ultrasound, and X‑ray. It sells commercial licenses (with a free trial) to radiology practices, hospitals, and researchers, and supports PACS query/retrieve, multi-modality workflows, and 2D/3D reconstructions. The software can open studies from local media and networked DICOM servers for clinical review and teaching use cases.

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