RocaSalvatella

Full stack developer in AI solutions

In short

Full Stack Developer role at a digital transformation consultancy, joining the AI Solutions team to design, develop and deploy generative AI web applications from front end to LLM integration. Requires 3+ years of full stack production experience with Python or Node.js/TypeScript backends, React frontends, and hands-on LLM API integration (OpenAI, Azure OpenAI, Anthropic). Hybrid role based in Barcelona, demanding fluent Spanish and English plus cloud deployment and CI/CD skills.

About the Company
RocaSalvatella is a leading consultancy in digital transformation, innovation and business. We support large organizations in adapting to the digital environment, combining strategy, technology and talent to generate real and sustainable impact. We believe in co-creation with clients, agility and a focus on results. We design and implement solutions that transform the way organizations work, innovate and grow.
We are looking for a Full Stack Developer to join our AI Solutions team. Your mission will be to design, develop and put into production web applications with generative AI, from the front end to integration with language models.
Responsibilities
•Design the APIs and services that orchestrate calls to LLMs and connect to the client's data and systems.
•Create conversational assistants, dashboards and validation workflows for the client's business teams.
•Implement RAG, function calling and prompts, with response evaluation and cost and latency control.
•Write tests, conduct code reviews and deploy with Docker and CI/CD in the cloud, meeting security and data protection requirements.
•Clarify requirements with the client's users and explain technical decisions without jargon.
Requirements
•At least 3 years of experience developing full stack web applications that have gone into production.
•Back end in Python (FastAPI, Django or similar) and/or Node.js with TypeScript, and front end in React or another modern framework with TypeScript.
•PostgreSQL or similar, SQL and REST API design with OAuth 2.0 / OpenID Connect authentication.
•Git, Docker, CI/CD and experience deploying on Azure, AWS or GCP.
•Hands-on experience integrating LLM APIs (OpenAI, Azure OpenAI, Anthropic or similar) into an application.
•The judgment to distinguish a working demo from maintainable software, and the ability to make progress with incomplete requirements by quickly validating with the user.
•Fluent Spanish and English.
Nice to Have
•Previous experience with RAG in production and vector databases.
•Experience with LLM or agent orchestration frameworks (LangChain, LangGraph or similar).
•Experience in consulting projects with end clients.
Conditions
•Flexible working hours and hybrid work.
•Flexible benefits plan with Cobee.
•Join a dynamic, multidisciplinary team with a culture based on trust, responsible autonomy and collaboration.
•Take part in strategic projects for leading clients nationally and internationally.

Stop applying.
Get referred.

$10 in free credits

In just 60 seconds, fully on autopilot — Eraldt's AI agents read your CV, map the roles you fit, find live vacancies and the people who can refer you, write personal emails, and get you referred.

This isn't an application: your CV doesn't go to the company, and we don't promise a referral for this exact role.

Discover who else lands interviews on autopilot