Senior Back-End Developer: AI, Node.js & TS

Amaris Consulting; Barcelona; A distancia; EUR 50.000 - 70.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Meal vouchers

Transport support

Childcare support

Private health insurance

Annual training budget

Descripción de la vacante

A multinational technology firm based in Barcelona is seeking a Senior Back-End Developer to design and build robust backend systems. You will utilize Node.js and TypeScript while integrating AI-driven solutions in production environments. The ideal candidate has 5–7 years of experience, excellent communication and teamwork abilities, and must be fluent in Spanish. This fully remote position offers continuous growth opportunities and a supportive work culture that values innovation and diversity.

Formación

• 5–7 years of experience as a Back-End Developer.
• Strong expertise in Node.js and TypeScript.
• 2–3 years of real, hands-on experience working with AI solutions.
• Solid understanding of backend architecture, RESTful APIs, microservices, and asynchronous systems.
• Excellent soft skills in communication, teamwork, and stakeholder collaboration.
• Ability to work autonomously in distributed, multicultural teams.
• Fluency in Spanish.

Responsabilidades

• Design, develop, and maintain robust backend applications using Node.js and TypeScript.
• Build scalable APIs and microservices following clean architecture and best practices.
• Work hands-on with AI-powered solutions, integrating and optimizing Large Language Models.
• Collaborate closely with product, frontend, data, and AI teams to deliver end-to-end solutions.
• Mentor junior developers and promote best practices across the team.

Conocimientos

Node.js

TypeScript

AI solutions

Communication

Teamwork

Herramientas

Git

Descripción del empleo

A multinational technology firm based in Barcelona is seeking a Senior Back-End Developer to design and build robust backend systems. You will utilize Node.js and TypeScript while integrating AI-driven solutions in production environments. The ideal candidate has 5–7 years of experience, excellent communication and teamwork abilities, and must be fluent in Spanish. This fully remote position offers continuous growth opportunities and a supportive work culture that values innovation and diversity.