Your browser does not support javascript! Please enable it, otherwise web will not work for you.

Principal Software Engineer

Home > Java programming jobs

Principal Software Engineer in USA new

  • Valar Atomics
  • Full time
  • Email
  • Torrance, CA

Responsibilities

  • Own the end-to-end architecture of software platforms spanning telemetry, streaming, simulation, and enterprise systems.
  • Design and build high-volume telemetry ingestion and time-series systems that preserve timestamps, units, quality, and ordering.
  • Architect streaming and event-driven backbones with throughput, backpressure, replay, and recovery capabilities.
  • Support simulation and modeling platforms through campaign management, compute scheduling, and reproducible results management.
  • Build full-stack services and web interfaces and integrate PLM, ERP, MES, document management, and records systems.
  • Design data models, interfaces, and access boundaries for consistent, auditable engineering, manufacturing, test, and quality records.
  • Establish deployment, observability, testing, on-call, and software quality standards for a regulated environment.
  • Use AI coding agents and assistants and define verification practices for their output.
  • Set technical direction, lead design and code reviews, and mentor software engineers.

Requirements

  • 10+ years of relevant software experience, including significant experience owning a platform or major system in production.
  • Experience designing and operating high-volume telemetry or time-series systems.
  • Experience with high-volume streaming and event-driven architectures, including throughput, backpressure, ordering, and replay.
  • Experience building or operating simulation, modeling, or scientific computing platforms with batch or distributed compute and reproducible results.
  • Experience building enterprise and engineering software, including full-stack services, web interfaces, and commercial-system integrations.
  • Proficiency in both typed languages such as Java, C#, Go, C++, or Rust and untyped languages such as Python or JavaScript.
  • Proven ability to drive architecture and technical decisions across multiple teams and stakeholders.
  • Experience with cloud and containerized deployment, infrastructure as code, and CI/CD.
  • Strong understanding of algorithms, data structures, distributed systems, and data modeling.
  • Hands-on production experience with AI coding agents or assistants such as Claude Code, Cursor, or Copilot, including verifying their output.
  • Bachelor’s degree in computer science, engineering, mathematics, or a scientific discipline, or equivalent professional experience.
  • Preferred experience includes hardware, manufacturing, aerospace, energy, or heavy-industrial environments; industrial protocols; HPC or GPU computing; regulated environments; PLM, ERP, MES, LIMS, or document-control integrations; Git, Docker, Kubernetes; LLM and agent applications; and growing software teams.
  • Strong communication, ownership, collaboration, and judgment are required.

Benefits

  • Competitive base salary of $195,000–$270,000 USD.
  • Equity ownership in a rapidly growing advanced energy company.
  • Comprehensive medical benefits.
  • Unlimited PTO.
  • Free daily lunch and dinner provided onsite.
  • Generous PPE stipend.
  • High-impact startup environment with significant ownership and autonomy.
  • Opportunities for rapid career growth and internal advancement.
  • Direct collaboration with experienced operators, engineers, and industry leaders.
  • Based in Torrance, California, with regular travel to the Orangeville, Utah pilot plant.
  • Applicants must be legally authorized to work in the United States as a U.S. citizen or lawful permanent resident.

Salary: $195k - $270k/yr

Valar Atomics

Valar Atomics develops factory-built, high-temperature nuclear systems and related fuel fabrication to provide industrial process heat and synthesize gas from air for hydrogen and manufacturing uses. Founded in 2023 and headquartered in El Segundo, California, it is privately held and building it...

Similar positions

Software Engineer

  • Conga
  • Full time
  • Others
  • 11/13/2026
  • Bengaluru, India

Senior Software Engineer

  • Conga
  • Full time
  • Remote
  • 11/13/2026
  • Bulgaria

Software Engineer

  • Cognite - AI for Industry
  • Full time
  • Others
  • 11/13/2026
  • India (city not specified)

Senior Software Engineer, Platform (Java)

  • Sprout Social
  • Full time
  • Remote
  • 11/13/2026
  • Salary: zł 24.3k-zł 36.5k per month
  • Poland

Mobile Development Engineer Intern

  • Bybit
  • Full time
  • Others
  • 11/13/2026
  • Hong Kong, Hong Kong

Listings

by


Job Type

Language

Country

CodingJobBoard.com © 2026