Backend Engineer - Scalable Data APIs & AI Tools (Remote)

Marfeel group; Barcelona; Hybrid; EUR 45,000 - 70,000; Full time

Benefits offered by this job

Flexible hours

Subsidized health insurance

Free language classes

Unlimited refreshments

Job summary

Marfeel group is seeking a Backend Engineer in Barcelona to join their high-ownership engineering team. The role requires 5+ years of experience in backend service production, strong proficiency in Node.js and TypeScript, and an understanding of API design and performance optimization. Benefits include flexible working arrangements, subsidized health insurance, and support for home office equipment. Join us in building a product that serves publishers worldwide.

Qualifications

• 5+ years of experience building backend services in production environments.
• Strong proficiency in Node.js and TypeScript.
• Solid experience with relational and non-relational databases.

Responsibilities

• Design, build and maintain backend services using Node.js.
• Work with large-scale data systems, including ClickHouse.
• Build and maintain APIs for our analytics product.

Skills

Node.js

TypeScript

API design

CI/CD pipelines

Performance optimization

Tools

MySQL

MongoDB

ClickHouse

Docker

GitHub Actions

Job description

Marfeel group is seeking a Backend Engineer in Barcelona to join their high-ownership engineering team. The role requires 5+ years of experience in backend service production, strong proficiency in Node.js and TypeScript, and an understanding of API design and performance optimization. Benefits include flexible working arrangements, subsidized health insurance, and support for home office equipment. Join us in building a product that serves publishers worldwide.