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 global 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 general products used by leading clients across multiple industries.
What You’ll Do

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 (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 For

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.
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: Native
Career 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 socia

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