Backend Engineer

Stack

Responsibilities

• ▹Write readable, testable, efficient code in Go (Golang)
• ▹Build deep expertise in the technology stack to deliver new features, improve system stability, and increase overall performance
• ▹Partner with engineering and product leaders on the Lightning product, setting technical direction for large projects
• ▹Evaluate, strengthen, and document technical architecture, tools, and processes
• ▹Maintain software quality, implement automation, drive continuous delivery, and reduce technical debt
• ▹Mentor and coach engineers on system design, operating in high uncertainty, and problem-solving

Requirements

• ▹Extensive experience writing efficient, maintainable code in Go
• ▹Broad knowledge of backend and frontend systems, building and scaling APIs, CLI tools, billing systems, and security protocols
• ▹Experience with cloud platforms (AWS, GCP, Azure) and designing reliable, performant, scalable systems
• ▹Familiarity with containerization (Docker, Kubernetes) is a strong advantage
• ▹Proven ability to take ownership of key features and drive end-to-end development
• ▹Hands-on experience as a backend or product engineer in a SaaS technology company

Nice to have

• ▹Exposure to frontend frameworks

Soft skills

What we offer

• ▹Annual base salary: $180,000–$250,000, discretionary bonus and meaningful equity
• ▹Comprehensive medical, dental and vision coverage (U.S.); private medical and dental insurance (U.K.)
• ▹Retirement and financial wellness support (U.S.); pension contribution (U.K.)
• ▹Generous paid time off plus holidays
• ▹Paid parental leave
• ▹Professional development support
• ▹Wellness and work-from-home stipends
• ▹Flexible work environment

About the company

Lightning AI is the company behind PyTorch Lightning, founded in 2019. It builds an end-to-end platform for developing, training, and deploying AI systems. Through its merger with Voltage Park, Lightning AI combines developer-first software with cost-efficient, large-scale compute. It operates globally with offices in New York City, San Francisco, Seattle, and London.