Fullstack Engineer

Who We Are

Lightning AI is the company behind PyTorch Lightning. Founded in 2019, we build an end-to-end platform for developing, training, and deploying AI systems—designed to take ideas from research to production with less friction.

Through our merger with Voltage Park, a neocloud and AI Factory, Lightning AI combines developer-first software with cost-efficient, large-scale compute. Teams get the tools they need for experimentation, training, and production inference, with security, observability, and control built in.

We serve solo researchers, startups, and large enterprises. Lightning AI operates globally with offices in New York City, San Francisco, Seattle, and London, and is backed by Coatue, Index Ventures, Bain Capital Ventures, and Firstminute.

Our Values

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Move Fast: We act with speed and precision, breaking down big challenges into achievable steps.

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Focus: We complete one goal at a time with care, collaborating as a team to deliver features with precision.

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Balance: Sustained performance comes from rest and recovery. We ensure a healthy work-life balance to keep you at your best.

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Craftsmanship: Innovation through excellence. Every detail matters, and we take pride in mastering our craft.

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Minimal: Simplicity drives our innovation. We eliminate complexity through discipline and focus on what truly matters.

What We're Looking For

We are looking for a Fullstack Engineer to work on developing and scaling the Lightning AI platform from the frontend, CLI, and API, to billing, security, and integrations.

We want someone who can take ownership of key features and drive development from end to end while collaborating with a super-smart team of engineers, product managers, and designers. Here, you’ll build from proof of concept to release with a focus on speed, quality, and iteration.

This is an opportunity to create groundbreaking technology that will transform the machine learning ecosystem!

This is a hybrid role based in our Redmond, Washington office with in-office requirements of 2 days per week. The salary range for this role is $120,000 - $250,000.

What You’ll Do

• Write readable/testable/efficient code in React and either Python or Go (Golang).

• Master our technology stack to deliver new features, improve system stability, and increase overall performance.

• Partner with engineering and product leaders on developing the Lightning product while using your experience to set the technical direction for large projects.

• Evaluate, strengthen, and document technical architecture, tools, and processes.

• Champion software quality, implement automation, drive continuous delivery, and reduce time to production while proactively reducing technical debt.

• Mentor and coach engineers on system design, operating in high uncertainty, and problem-solving to create a supportive, inclusive environment where each engineer can grow.

What You’ll Need

• Proficiency in React and Go (Golang). Strong understanding of software engineering principles and lifecycle.

• Hands-on experience as a full stack engineer in a SaaS technology company

• Proven ability to take ownership of key features and drive end-to-end development

• Communication and collaboration with engineers, product managers, and designers

• Ability to operate in high uncertainty and rapidly changing environments

Benefits and Perks

We offer competitive base salaries and equity with a 25% one year cliff and monthly vesting thereafter. For our international employees, we work with our EOR to pay you in your local currency and provide equitable benefits across the globe.

In the US, we offer:

• Medical, dental and vision

• Life and AD&D insurance

• Flexible paid time off including winter closure

• Paid family leave benefits

• $500 monthly meal reimbursement, including groceries & food delivery services

• $500 one time home office stipend

• $1,000 annual learning & development stipend

• 100% Citibike membership (NYC only)

• $45/month gym membership

• Additional various medical and mental health services

At Lightning AI, we are committed to fostering an inclusive and diverse workplace. We believe that diverse teams drive innovation and create better products. We provide equal employment opportunities to all employees and applicants without regard to race, color, religion, gender, sexual orientation, gender identity, national origin, age, disability, veteran status, or any other protected characteristic. We are dedicated to building a culture where everyone can thrive and contribute to their fullest potential.