Backend Engineer

Docplanner

Full-time Barcelona, Catalunya Computer Occupations

Posted:

March 01, 2026

Location:

Barcelona, Catalunya, Spain

Job Description

Job Description
We are seeking a talented Backend Engineer to help us architect and build the next iteration of our AI-powered products. You will drive the innovation of our AI integration and build modern, scalable, real-time architecture, unlocking new capabilities and performances, starting from our conversational AI products. Youll collaborate closely with AI engineers, product managers, and the broader engineering team.
Responsibilities
Architect, develop, and maintain scalable, robust backend services, starting from our voice and chat AI applications.
Experiment with new technologies to achieve real-time and seamless integrations, implementing POCs to try the latest trends in AI environment, partnering with AI/LLM engineers.
Integrate 3rd party API integration such as Twilio (voice), WhatsApp, ElevenLabs, OpenAI and others.
Implement real-time communication features (websockets, streaming), conversation arc...
                

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Job Overview

Job Type: Full-time

Location: Barcelona, Spain

Posted: March 01, 2026

Deadline: April 10, 2026