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Senior Software Engineer, Fullstack at TwelveLabs. Remote Location: Remote US. Who we are:. At TwelveLabs, we are pioneering the development of cutting-edge multimodal foundation models that have the ability to comprehend videos just like humans do. Our models have redefined the standards in video-language modeling, empowering us with more intuitive and far-reaching capabilities, and fundamentally transforming the way we interact with and analyze various forms of media.. With a remarkable $107 million in Seed and Series A funding, our company is backed by top-tier venture capital firms such as NVIDIA’s NVentures, NEA, Radical Ventures, and Index Ventures, and prominent AI visionaries and founders such as Fei-Fei Li, Silvio Savarese, Alexandr Wang, and more. Headquartered in San Francisco, with an influential APAC presence in Seoul, our global footprint underscores our commitment to driving worldwide innovation.. We are a global company that values the uniqueness of each person’s journey. It is the differences in our cultural, educational, and life experiences that allow us to constantly challenge the status quo. We are looking for individuals who are motivated by our mission and eager to make an impact as we push the bounds of technology to transform the world. Join us as we revolutionize video understanding and multimodal AI.. About the role:. We're looking for a Fullstack Engineer to architect and build the infrastructure that powers AI-driven video workflows at scale. You'll join a small, high-impact team and own the critical transition from prototype to production-ready platform.. In this role, you will:. Design and implement scalable backend architecture using Next.js API routes and Node.js. Build robust video processing pipelines for ingestion, transcoding, and multi-format exports. Create background job systems for long-running video operations with proper queuing and error handling. Architecting data models and database schemas that support collaborative video editing at scale. Implementing authentication, authorization, and session management systems. Optimizing video storage and CDN delivery for thousands of concurrent users. You may be a good fit if you have:. 5-7 years of experience building and scaling production web applications. Strong expertise in Node.js backend development and API design. Experience with database design, query optimization, and data modeling at scale. Track record of building asynchronous job processing systems and handling long-running operations. Experience with cloud infrastructure (AWS/GCP) and CDN configuration. Proven ability to architect systems that scale from hundreds to thousands of users. Preferred qualifications:. Deep experience with video processing (FFmpeg, transcoding, streaming protocols). Background in AI/ML product development or computer vision applications. Experience with video editing workflows, media asset management, or creative tools. Familiarity with export formats (EDL, FCPXML) and professional video standards. Track record of migrating client-heavy applications to scalable server architectures. Even if there are a few checkboxes that aren’t ticked through your prior experience, we still encourage you to apply! If you are a 0-1 achiever, a ferocious learner, and a kind and fun team player who motivates others, you will find a home at TwelveLabs.. We are a global company that values the uniqueness of each person’s journey. It is the differences in our cultural, educational, and life experiences that allow us to constantly challenge the status quo. We are looking for individuals who are motivated by our mission and eager to make an impact as we push the bounds of technology to transform the world. Join us as we revolutionize video understanding and multimodal AI.. Benefits and Perks. 🤝 An open and inclusive culture and work environment.. 🧑‍💻 Work closely with a collaborative, mission-driven team on cutting-edge AI technology.. 🦷 Full health, dental, and vision benefits.. ✈️ Flexible PTO and parental leave policy. Office closed the week of Christmas and New Years.. 🛂 VISA support (such as H1B and OPT transfer for US employees).