Lightning AI

Backend Engineer

Lightning AI
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5 months ago
London, United Kingdom +3 moreSenior

Base Salary

$120k - $250k/yr

Responsibilities

  • Write readable, testable, and efficient Go code.
  • Develop and scale platform features across APIs, infrastructure, billing, security, and integrations.
  • Set technical direction for large projects and partner with engineering and product leaders.
  • Evaluate, strengthen, and document technical architecture, tools, and processes.
  • Maintain software quality, implement automation, support continuous delivery, and reduce technical debt.
  • Mentor and coach engineers on system design, problem-solving, and working in high-uncertainty environments.

Requirements

  • Extensive experience writing efficient and maintainable Go code, including testing, readability, and optimization best practices.
  • Broad knowledge of backend and frontend systems, including experience with APIs, CLI tools, billing systems, and security protocols.
  • Experience with cloud platforms such as AWS, GCP, or Azure and with designing reliable, performant, and scalable systems.
  • Familiarity with Docker and Kubernetes is a strong advantage.
  • Proven ability to own key features and drive end-to-end development.
  • Experience with software quality, test automation, continuous delivery, technical-debt management, and improving time to production.
  • Hands-on experience as a backend or product engineer in a SaaS technology company.
  • Ability to collaborate with engineers, product managers, and designers and operate in uncertain, rapidly changing environments.

Benefits

  • Comprehensive medical, dental, and vision coverage in the U.S.; private medical and dental insurance in the U.K.
  • Retirement and financial wellness support in the U.S.; pension contribution in the U.K.
  • Generous paid time off and holidays
  • Paid parental leave
  • Professional development support
  • Wellness and work-from-home stipends
  • Flexible work environment
  • Based in Seattle, New York City, San Francisco, or London with at least two in-office days per week and occasional offsites
Lightning AI

About Lightning AI

201-500 employees

Lightning AI builds an end-to-end platform for prototyping, training, and deploying AI systems, alongside open-source tools such as PyTorch Lightning and torchmetrics. It offers a browser-based studio and managed GPU infrastructure for teams ranging from solo researchers to large enterprises, with built-in observability and controls. Founded in 2019 and headquartered in New York, the company merged with Voltage Park to pair developer-first software with large-scale, cost-efficient compute.

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