Senior Backend Engineer (Go, Rust, Python, TS) - Bengaluru

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

• 3+ years of experience as a backend engineer

• Strong experience owning and operating production backend systems.

• Strong understanding of state management, queues, workers, storage, databases, and service contracts.

• Experience designing scalable APIs and backend services.

• Ability to design reliable systems for long-running and asynchronous workflows.

• Strong problem-solving and end-to-end ownership.

• Experience with one or more of TypeScript, Go, Rust, or Python.

• Ability to translate product requirements into practical backend architecture.

• Strong understanding of performance, reliability, and operational simplicity.

• Interest in media processing, video infrastructure, and creative tools.

• Bonus: Deep FFmpeg or GStreamer experience.

• Bonus: Knowledge of video codecs and formats such as ProRes, H.264/H.265, BRAW, R3D, and DNx.

Responsibilities

• Own backend systems for video exports, proxy generation, media preprocessing, analysis, and agent-powered editing.

• Design and maintain APIs and state contracts across the browser, workers, storage, and database.

• Build reliable workflows for uploads, processing jobs, exports, progress tracking, and recovery.

• Improve performance and reliability of long-running media workflows.

• Design systems that remain simple and operable as projects, files, and usage scale.

• Work closely with founders and engineers to solve complex video infrastructure problems.

• Turn product goals such as faster exports and instant-feeling uploads into robust backend systems.

Job Details
Bengaluru, India

Interview Process

• Recruiter Screen

• Backend Technical Interview

• System Design Interview

• Coding Interview

• Founder Interview

Important Note
ClanX is a recruitment partner, helping Cardboard hire Senior Backend Engineer.