Senior Node.js Backend Engineer — Remote & Scalable APIs

Amaris Consulting; Barcelona; Hybrid; EUR 50,000 - 70,000; Full time

Benefits offered by this job

Meal vouchers

Transport benefits

Childcare assistance

Health insurance

Annual training budget

Job summary

A global consulting firm is looking for a skilled Backend Developer (Node.js) based in Barcelona, Spain. In this role, you will design and develop scalable backend systems that support high-impact digital solutions for international clients. Ideal candidates have at least 5 years of software engineering experience and proficiency in Node.js with Fastify. The company provides opportunities for continuous learning, career growth, and flexible work arrangements.

Qualifications

• Minimum 5 years of experience in software engineering developing complex applications.
• Proficiency in backend development with Node.js and Fastify.
• Experience with SQL and NoSQL databases.

Responsibilities

• Design, build, and maintain scalable backend systems using Node.js.
• Design and implement secure APIs.
• Manage databases to ensure data integrity.

Skills

Backend development

API development

Database management

System architecture

CI/CD

Containerization

GitHub

English communication

Education

Bachelor’s degree in Computer Science, IT, or related field

Tools

Node.js

Fastify

SQL

NoSQL

Docker

Kubernetes

OpenShift

Job description

A global consulting firm is looking for a skilled Backend Developer (Node.js) based in Barcelona, Spain. In this role, you will design and develop scalable backend systems that support high-impact digital solutions for international clients. Ideal candidates have at least 5 years of software engineering experience and proficiency in Node.js with Fastify. The company provides opportunities for continuous learning, career growth, and flexible work arrangements.