Backend Engineer - Node.js/TypeScript for Real-Time Inventory

cozycozy.com; Paris; Hybrid; EUR 70,000 - 110,000; Full time

Benefits offered by this job

Stock options

Alan health insurance

Swile card

Office in Paris

International team

Job summary

Cozycozy in Paris is hiring a Backend Engineer to drive our global inventory integrations. You will design, build, and maintain high-performance connections with partner sites, APIs, and scraping tools to keep price and availability data real-time for millions of travelers.

The role combines backend development in Node.js/TypeScript with data processing, database tuning (MongoDB/PostgreSQL), and mentoring of the integration team.

Qualifications

• 3+ years of back-end engineering experience with high-throughput data integration.
• Strong production experience with Node.js and TypeScript.
• Experience with MongoDB and PostgreSQL, including schema design and performance tuning.
• Experience with RxJS for asynchronous data flows.
• Proven track record of building integrations using REST/SOAP APIs and web scraping (Puppeteer/Cheerio).
• Excellent communication in English and ability to work with international teams.

Responsibilities

• Design and develop partner integrations using Node.js/TypeScript across the full development lifecycle.
• Build resilient data collection and real-time price/availability data from partner APIs and web scraping.
• Ensure data quality with unit and integration tests and monitoring for low latency.
• Maintain data processing pipelines, data stores (MongoDB, PostgreSQL), and optimize queries.
• Mentor junior engineers and drive framework standards and deployment improvements.
• Collaborate with product and BD to assess technical feasibility of partnerships.

Skills

Back-end engineering

Data integration

English communication

Project management

Mentoring

Tools

Node.js

TypeScript

RxJS

MongoDB

PostgreSQL

Puppeteer

Cheerio

REST APIs

SOAP APIs

Job description

Cozycozy in Paris is hiring a Backend Engineer to drive our global inventory integrations. You will design, build, and maintain high-performance connections with partner sites, APIs, and scraping tools to keep price and availability data real-time for millions of travelers.

The role combines backend development in Node.js/TypeScript with data processing, database tuning (MongoDB/PostgreSQL), and mentoring of the integration team.