Senior Software Engineer, Fullstack (BE lean)

TwelveLabs

135d

About The Position

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.

Requirements

• 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

Nice To Haves

• 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

Responsibilities

• 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

Benefits

• 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)

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Number of Employees: 11-50 employees