Join Cardboard as a Senior Backend Engineer and own the systems powering browser-based video editing, including media processing, exports, proxies, analysis, and agent-powered editing.
Company Details
Cardboard is building the future of storytelling and video editing through an AI-powered browser-based video editor. The team is backed by a Tier-1 global fund, YC, and founders of billion-dollar companies. Website: https://www.usecardboard.com
Requirements
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3+ years of experience as a backend engineer
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Strong experience owning and operating production backend systems.
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Strong understanding of state management, queues, workers, storage, databases, and service contracts.
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Experience designing scalable APIs and backend services.
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Ability to design reliable systems for long-running and asynchronous workflows.
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Strong problem-solving and end-to-end ownership.
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Experience with one or more of TypeScript, Go, Rust, or Python.
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Ability to translate product requirements into practical backend architecture.
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Strong understanding of performance, reliability, and operational simplicity.
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Interest in media processing, video infrastructure, and creative tools.
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Bonus: Deep FFmpeg or GStreamer experience.
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Bonus: Knowledge of video codecs and formats such as ProRes, H.264/H.265, BRAW, R3D, and DNx.
Responsibilities
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Own backend systems for video exports, proxy generation, media preprocessing, analysis, and agent-powered editing.
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Design and maintain APIs and state contracts across the browser, workers, storage, and database.
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Build reliable workflows for uploads, processing jobs, exports, progress tracking, and recovery.
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Improve performance and reliability of long-running media workflows.
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Design systems that remain simple and operable as projects, files, and usage scale.
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Work closely with founders and engineers to solve complex video infrastructure problems.
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Turn product goals such as faster exports and instant-feeling uploads into robust backend systems.
Job Details
Bengaluru, India
Interview Process
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Recruiter Screen
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Backend Technical Interview
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System Design Interview
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Coding Interview
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Founder Interview
Important Note
ClanX is a recruitment partner, helping Cardboard hire Senior Backend Engineer.