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Backend Engineer – Data Acquisition

Barcelona, Spain🌐 Remote💼 Full-time🗓 2026-09-29 → 2026-10-02

Core

Design and develop high-performance backend systems in Rust to collect billions of data points from the web, handling HTTP stacks, proxies, and browser tooling.

Role type

Senior IC backend engineer (data acquisition/crawling)

Builds

High-scale data acquisition infrastructure and proxy layers for a commercial strategy AI platform

Domain

Internet infrastructure / Web scraping / Hospitality technology

Deliverable

production ML models

Required skills

Rust, HTTP protocol implementation, proxy architecture, browser automation, system design, observability, test-driven development

Preferred skills

Experience with AI agent integration, security hardening, distributed systems

Technologies

Rust, HTTP, proxies, browser tooling

Responsibilities

Design and build backend systems handling ~200M daily requests; develop in-house proxy layers and request routing; investigate and solve crawler blocking issues; create interfaces for AI agents; ensure code quality and maintainability; collaborate with DevOps and Security teams

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