Senior Technical Writer, Developer Experience at Lightning AI · London

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 Move Fast: We act with speed and precision, breaking down big challenges into achievable steps. Focus: We complete one goal at a time with care, collaborating as a team to deliver features with precision. Balance: Sustained performance comes from rest and recovery. We ensure a healthy work-life balance to keep you at your best. Craftsmanship: Innovation through excellence. Every detail matters, and we take pride in mastering our craft. Minimal: Simplicity drives our innovation. We eliminate complexity through discipline and focus on what truly matters. At Lightning AI, docs aren't just a support function — they're a product surface. They're often the first real experience a developer has with our platform, and in a PLG motion, that means they directly drive activation, retention, and revenue. We're looking for a Technical Writer, Developer Experience who treats documentation that way: with product instincts, editorial craft, and the drive to own it end-to-end. What You'll Own The docs product. Audit what exists, cut what doesn't serve developers, and build a roadmap for what's missing. You'll own information architecture, structure, and coverage across Lightning Studios (AI Dev Platform) and Lightning Deploy (Inference Platform) — each with a UI, SDK, and CLI. The getting-started experience. Our PLG flywheel runs through docs. You'll own the entry point where developers go from zero to value, and you'll treat time-to-first-success as a metric worth optimizing. Voice and editorial standards. You'll uphold the bar for how we write — across docs, landing pages, and technical blog posts — and work directly with Product and Marketing leadership to expand our presence. Cross-functional execution. You'll sit close enough to code to be accurate and far enough out to write for humans. Engineers, product managers, designers — you'll extract what needs to be written and make it good. Community content strategy. You'll build an approach to docs that scales beyond what we ship internally. What We're Looking For Required 5+ years of technical writing experience at a company where docs were treated as a product, not an afterthought Demonstrated experience owning developer documentation end-to-end — SDK references, CLI guides, API docs, getting started flows Comfortable reading code; you don't need to ship it, but you need to understand it well enough to explain it accurately Strong information architecture instincts — you have opinions on structure, progressive disclosure, and example density, and you can defend them Experience collaborating directly with engineering and product teams to extract, shape, and ship content on release timelines Proficiency with modern docs tooling (Mintlify, Docusaurus, ReadMe, or similar) Actively uses AI tools (Claude, Cursor, or similar) to accelerate writing, research, and content production — this isn't optional; it's how we expect this role to scale Nice to Have Experience at a developer-led or PLG company where docs were a measurable part of the growth motion Familiarity with ML/AI tooling, inference platforms, or developer infrastructure Experience building or selecting docs tooling, not just using it Background in technical blogging, developer education, or community content Experience growing or mentoring a writing team We are committed to offering competitive compensation that reflects the value each team member brings to our mission. Final offers are based on factors such as experience, skills, geographic location, and role expectations. In addition to base salary, our total rewards package for eligible roles includes a discretionary bonus, a meaningful equity component, and comprehensive benefits. The anticipated annual base salary range for this role is: $150,000—$250,000 USD Benefits and Perks We offer a comprehensive and competitive benefits package designed to support our employees’ health, well-being, and long-term success. Benefits may vary by location, team, and role. Benefits include: 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 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.