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Nuclearn Tech Stack

AI platform for nuclear power plant operations and safety

Software Development Phoenix, AZ 11–50 employees Founded 2021 Privately Held

Nuclearn builds AI software purpose-built for nuclear power operations, deployed across 60+ reactors globally. The stack—Python, PyTorch, Kubernetes, React, FastAPI, PostgreSQL—reflects a modern ML-first architecture, but the project list reveals the real complexity: on-premise deployments, legacy system integration, real-time monitoring for mission-critical safety workflows, and high-dimensional ML visualization. Engineering hiring is decelerating despite active work on CAP automation, SaaS provisioning, and domain-specific ML pipelines, suggesting the team is consolidating around core product stability rather than scaling new features.

Tech Stack 27 technologies

Core StackKubernetes React FastAPI Python JavaScript PostgreSQL Docker Podman Redis RabbitMQ Celery Sentry MongoDB TypeScript Redux Vite Webpack PyTorch Linux Netdata Microsoft 365 Teams OneNote Maximo Zustand React Query NVIDIA GPU

What Nuclearn Is Building

Challenges

  • On-premise integration challenges
  • Cloud environment configuration challenges
  • System interoperability issues
  • Reducing noise in error monitoring
  • Data ingestion pipeline reliability
  • Integration with legacy enterprise systems
  • Real-time monitoring for nuclear operations
  • High-dimensional ml visualization
  • Scalable frontend architecture
  • Keeping critical infrastructure reliable, efficient, and safe

Active Projects

  • On-premise platform deployment
  • Saas instance provisioning
  • Devonway to cap ai connector
  • Cap ai automation simulate-apply workflow
  • Sentry error reduction for celery tasks
  • Real-time monitoring interfaces for mission-critical nuclear operations
  • High-dimensional ml visualization components for automated insights
  • Robust frontend architecture and shared component system
  • Customer-specific classification, extraction, and prediction tasks
  • Custom ml pipelines for domain-specific problems

Hiring Activity

Decelerating9 roles · 2 in 30d

Department

Engineering
5
HR
1
Support
1

Seniority

Senior
3
Mid
2
Lead
1
Staff
1
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About Nuclearn

Nuclearn applies AI to nuclear power plant operations, addressing workflows traditionally managed with outdated tools. The company targets plant operators and safety teams, offering automation around corrective action program (CAP) screening, condition reporting, and operational monitoring. Founded in 2021 by nuclear professionals and engineers, Nuclearn operates as a distributed product across on-premise and SaaS deployment models, supporting both direct integrations with legacy plant systems (Maximo) and cloud-native instances. At 11–50 employees and headquartered in Phoenix, the team is anchored in nuclear domain expertise rather than generic software scaling.

HeadquartersPhoenix, AZ
Company Size11–50 employees
Founded2021
Hiring MarketsUnited States

Frequently Asked Questions

What tech stack does Nuclearn use?

Python, PyTorch, FastAPI, React, TypeScript, Kubernetes, PostgreSQL, MongoDB, Redis, and NVIDIA GPU for ML workloads. Includes Maximo integration for legacy nuclear plant systems and Sentry for error monitoring.

How many reactors use Nuclearn?

Over 60 reactors around the world rely on Nuclearn's technology for operations and safety workflows.

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