Senior Backend Engineer, Core Platform — Hybrid + Equity

Showcify; Greater London; Hybrid; GBP 134,000 - 186,000; Full time

Benefits offered by this job

Health coverage

Equity

401(k) matching

Unlimited PTO

Sabbatical program

Hybrid work

Office meals

Job summary

Lightning AI, the creator of the PyTorch Lightning platform, is seeking a Senior Software Engineer for its core platform team. You will design, build, and scale backend systems, APIs, and platform services that empower researchers, startups, and enterprises to train and deploy AI applications.

Based in London, San Francisco, or NYC hubs with a minimum of 2 in-office days per week, you will collaborate with product, infrastructure, and AI engineering to improve reliability, scalability, and

Qualifications

• Extensive experience building scalable backend systems using Go, Python, Rust, React or similar languages.
• Strong experience designing and operating distributed systems or cloud-native services.
• Experience building APIs, platform services, and infrastructure that other engineers depend on.
• Familiarity with Kubernetes, Docker, and modern cloud platforms such as AWS, GCP, or Azure.
• Strong understanding of software quality, automated testing, observability, and continuous delivery.
• Proven ability to lead technical initiatives from architecture through production.
• Excellent communication skills and the ability to collaborate effectively across engineering, product, and design.
• Ability to thrive in a fast-moving, ambiguous startup environment.

Responsibilities

• Design, build, and maintain scalable backend services powering Lightning AI Studio.
• Develop APIs and platform services supporting authentication, resource management, multi-tenancy, and developer workflows.
• Improve reliability, observability, scalability, and performance across core platform infrastructure.
• Partner closely with product, infrastructure, and AI engineering teams to deliver new platform capabilities.
• Evaluate and improve technical architecture, engineering processes, and operational tooling.
• Mentor engineers and help establish engineering best practices across the organization.

Skills

Backend languages

Distributed systems

APIs & platform

Kubernetes / Docker

Quality & CD

Technical leadership

Collaboration

Adaptability

Job description

Lightning AI, the creator of the PyTorch Lightning platform, is seeking a Senior Software Engineer for its core platform team. You will design, build, and scale backend systems, APIs, and platform services that empower researchers, startups, and enterprises to train and deploy AI applications.

Based in London, San Francisco, or NYC hubs with a minimum of 2 in-office days per week, you will collaborate with product, infrastructure, and AI engineering to improve reliability, scalability, and