Principal Graphics Software Engineer (England)

About the Role ~At Lumina Platforms, we’re reimagining the future of content creation — blending intuitive design, powerful editing tools, and AI-native capabilities into a single seamless, agentic, co-creative experience. Our platform will empower creators, marketers, and teams to produce professional-grade video content with unprecedented ease, speed, and intelligence.We’re looking for a Principal Software Engineer to play a lead role in building the next-generation platform orchestrated through a DOM-like structure written in Rust. We’re looking for engineers who obsess over correctness, performance, and building expressive tools that scale beautifully.You’ll be at the heart of our technical architecture — shaping the core experience and symbiotic relationship between AI & Platform that will transform creativity in the coming years. ️ What You’ll Do ~Lead architecture and development of our interactive video creation platformDesign and implement performant systems for real-time video editing, animation, and renderingCollaborate with product and design to bring a fluid, intelligent, canvas-like creative experience to lifeStay ahead of the curve in emerging AI and video tech, helping us build not just for now, but for what’s nextSet high standards for code quality, performance, scalability, and team collaborationPrototype and integrate AI-powered features such as:Smart editing suggestionsAuto-generated captions, voiceovers, or transitionsDynamic scene assembly or auto-layout tools What You Bring ~Technical Expertise7+ years of software engineering experience, ideally across both frontend and backendDeep experience with React, TypeScript and custom rendering (Canvas/WebGL/WebGPU)Experience working with Rust and Python stacksExperience building creative or design tools (e.g., video editors, animation UIs, timelines)Strong systems thinking, capable of owning complex technical decisions across the stackAI-Forward ThinkingFamiliarity with current and emerging AI/ML trends in video and mediaFoundation models, generative video/image (e.g., Stability, Runway, OpenAI, etc.)Transcription and speech-to-text (e.g., Whisper, Deepgram)Vector embeddings, retrieval-augmented generation, or on-device inferenceCuriosity and imagination around how AI can amplify creativity, not just automate tasksNice to HaveExperience with FFmpeg, media pipelines, GPU compute, or cloud rendering infrastructureKnowledge of WebRTC, WebSockets, or real-time collaboration toolingOpen-source contributions in creative tech, media processing, or AI frameworks✨ Why Join Us? ~Lead the platform — you’ll have a pivotal role in defining how the entire product worksWork on bleeding-edge tech at the intersection of creativity, video, and AIJoin a small, high-caliber team with a product-first mindset and design obsessionHigh impact, strong ownership, and equity upside in a fast-growing spaceHelp shape a product that could empower millions to tell better stories How to Apply ~Tell us a bit about yourself — what drives you as a builder and how you think AI will shape the future of creative tools. Send along:Your portfolio or projects you’ve worked on (personal or professional)GitHub, LinkedIn, or anything else you’d like to share