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Open nowPosted 38 days ago

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

CLANX25 open roles

Where
Bengaluru, Karnātaka, India
Work mode
On site
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Your applicationOpen nowSenior Backend Engineer (Go, Rust, Python, TS) - BengaluruCLANX · Bengaluru, Karnātaka, India

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The clock on this job

Early applications get read.

7.8% of postings close within 7 days. Measured by our own scanner across the market. CLANX postings stay open a median of 1 days.

Share of postings closed within
  1. 1.7%1 day
  2. 3.5%3 days
  3. 7.8%7 days
  4. 14.6%14 days
  5. 34.1%30 days
This job: posted 38 days ago

CLANX median: 1 days open

The posting

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.

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