Senior Frontend Engineer

Join to apply for the Senior Frontend Engineer role at Hedra Join to apply for the Senior Frontend Engineer role at Hedra About Hedra: Hedra is a pioneering generative media company backed by top investors at Index, A16Z, and Abstract Ventures. We're building Hedra Studio, a multimodal creation platform capable of control, emotion, and creative intelligence. At the core of Hedra Studio is our Character-3 foundation model, the first omnimodal model in production. Character-3 jointly reasons across image, text, and audio for more intelligent video generation — it’s the next evolution of AI-driven content creation. Note: At Hedra, we’re a team of hard-working, passionate individuals seeking to fundamentally change content and build a generational company together. You should have start-up experience and be a self-starter that is driven to build impactful products that change the status quo. The Hedra team is fully in-person in SF/NY with a shared love of solving hard problems using whiteboards. Summary: As a Senior Frontend Engineer, you will design, build, and deploy the frontend web apps that power our transformative products, including Create , Stylize , and Studio . You will work with emerging web standards to build web-based video and audio creation / editing tools, utilizing Webcodecs, WASM, and FFMPEG. You will also work with frameworks/languages such as NextJS, React, Redux, Mobx, Typescript and Javascript, and dive deep into video container formats and streaming protocols, such as MP4, MKV, HLS, and MP-DASH. You will work with passionate engineers and top researchers to build a truly disruptive and novel technology. Experience: Experience using Typescript, Javascript, React, and NextJS Familiarity with authentication / authorization using oauth2 and OIDC Experience interfacing with RESTful APIs, and familiar with standards such as OpenAPI and JWT Experience writing unit and integration tests, working with CI/CD, and writing functional-tests using tools such as Playwright Familiarity with audio/video web standards and tools, such as Webcodecs, webRTC, HLS, MP-DASH, FFMPEG, MP4, and MKV Strong familiarity with frameworks / standards / concepts such as WASM, websockets, IndexedDB, promises, generators, and coroutines Experience with CSS and Tailwind Experience developing a component library and design systems, and using tools such as storybook Experience working with frameworks such as Redux, RTK, RTK-Query, and Mobx Startup Experience is a must — we work hard and build quickly. Ideal candidates should be passionate with an always-on attitude that drives them to live and breathe the product (not a “punch the clock” disposition). Experience architecting and implementing REST APIs for distributed systems. Experience with k8s, docker, especially in the context of deploying machine learning models on nvidia hardware. At least 5 years of professional Javascript/Typescript. Personality: Self-motivated and independent — able to set accurate timelines for development and deliver on them. Have an opinion and the experience to backup that opinion. Low ego, high patience, strong communication skills. Understand operational costs and overhead short and long term. Mission-driven — we are building something fundamentally disruptive and this reflects deeply in our company DNA. And most importantly, treat Hedra as your own and help shape the vision accordingly Benefits: Competitive compensation and equity 401k Healthcare (Silver PPO Medical, Vision, Dental) Lunch and snacks at the office We encourage you to apply even if you don't fully meet all the listed requirements; we value potential and diverse perspectives, and your unique skills could be a great asset to our team. Seniority level Seniority level Mid-Senior level Employment type Employment type Full-time Job function Job function Engineering and Information Technology Industries Technology, Information and Internet Referrals increase your chances of interviewing at Hedra by 2x Get notified about new Senior Frontend Developer jobs in San Francisco, CA . 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