? Ready to Take Your Career to the Next Level?Join Amaris Consulting and work on cutting-edge projects that impact thousands of users worldwide. Be part of an international team, thrive in an agile environment, and grow with a integral group that truly values innovation, technology, and talent.As a Senior Back-End Developer, you will play a key role in designing and building scalable, high-performance backend systems, with a strong focus on AI-driven solutions.Your work will directly influence global products used by leading clients across multiple industries.What You’ll DoDesign, 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 (LLMs) in real, production environments.Collaborate closely with product, frontend, data, and AI teams to deliver end-to-end solutions.Contribute to technical decisions, architecture discussions,



and continuous improvements.Mentor junior developers and promote best practices across the team.Stay up to date with backend, cloud, and AI/LLM trends.What We’re Looking For5–7 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 solutionsSolid understanding of backend architecture, RESTful APIs, microservices, and asynchronous systems.Experience with version control systems (Git) and Agile methodologies.Excellent soft skills: strong communication, teamwork, and stakeholder collaboration abilities.Ability to work autonomously in distributed, multicultural teams.Spanish: NativeCareer Growth: 70% of our senior leaders started in entry-level roles.Continuous Learning: Access to our Technology Academy, Udemy courses, webinars, and company-paid certifications.Flexibility: Fully remote position, flexible policies, and social benefits (meal vouchers, transport, childca

📌 Desarrollador de back-end (Barcelona)
🏢 Amaris Consulting
📍 Barcelona