Senior JavaScript Engineer - Web Scraping & Data Pipelines

Circana; Courbevoie, Paris; Hybride; EUR 75 000 - 110 000; Plein temps

Résumé du poste

Circana is hiring a Senior Software Engineer specialized in JavaScript to design and maintain large-scale data collection applications. You will build scrapers, implement robust data pipelines, and ensure reliability across complex, JavaScript-rendered sources.

The role emphasizes production-grade scraping, REST APIs, and cloud-based patterns within a collaborative engineering team. Remote-friendly with global collaboration across Europe and beyond.

Qualifications

• 6+ years of JavaScript design and development experience using NestJS and ORM.
• Proven production web scrapers in JavaScript with headless browser automation (Puppeteer).
• DB knowledge with PostgreSQL including writing queries and optimization.
• Experience building REST APIs and practicing Agile Scrum.
• Strong knowledge of design patterns, microservices, and distributed messaging.
• Hands-on experience with DOM traversal/HTML parsing using libraries like Cheerio.
• Familiarity with proxy rotation, user-agent/header management, and scheduled collection.

Responsabilités

• Design, code, and test deep data-collection services.
• Build robust scrapers for JavaScript-rendered sites at scale.
• Collaborate with stakeholders to define interfaces and integration points.
• Maintain high reliability, performance, and data quality across pipelines.

Connaissances

JavaScript

NestJS

ORM

Puppeteer

REST APIs

Agile Scrum

Azure Cloud

Design Patterns

WebSockets

Microservices

Message Brokers

DOM Parsing

Cheerio

Proxy Rotation

Formation

Bachelor's degree in Computer Science or related field

Outils

PostgreSQL

Description du poste

Circana is hiring a Senior Software Engineer specialized in JavaScript to design and maintain large-scale data collection applications. You will build scrapers, implement robust data pipelines, and ensure reliability across complex, JavaScript-rendered sources.

The role emphasizes production-grade scraping, REST APIs, and cloud-based patterns within a collaborative engineering team. Remote-friendly with global collaboration across Europe and beyond.