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Remote Fullstack Developer

📍 Madrid, Spain

Tecnología JAKALA

Descripción del Puesto

JAKALA

is looking for a versatile

Full Stack Developer

to join our innovation hub. We need a hybrid profile: a developer who masters the modern web stack but also speaks the language of LLMs and cloud architecture.

Design, develop, and maintain robust web applications using

React.js

for the frontend and

Node.js

for the backend. Build and optimize Python-based services to integrate Generative AI models (LLMs, RAG systems, and Agentic workflows). Cloud Operations:

Deploy and manage applications across

Google Cloud Platform (GCP) and

AWS

, ensuring high availability and performance. Frontend:

Expertise in

React.js

(Hooks, State Management, Styled Components). Backend:

Strong proficiency in

Node.js

(Express) and

Python

(FastAPI). Solid understanding of

Generative AI

concepts (OpenAI API, LangChain, Vector Databases...). Proven experience with

Microservices

and RESTful/GraphQL APIs. Cloud:

Professional experience with

GCP

and

AWS

services (Lambda/Functions, Kubernetes, S3/GCS). Database:

Experience with both SQL (PostgreSQL) and NoSQL (MongoDB/Redis) environments.

Familiarity with DevOps practices (CI/CD, Docker, Terraform). Experience in data processing and AI model fine-tuning. A proactive mindset for long-term planning . Communication skills in English and Spanish.

Remote or Hybrid model (2 days/week in-office) in Madrid, Barcelona, Pamplona or Gijón. ~ Private health insurance. ~ Flexible compensation plan, with tax savings on meals, transport, childcare, etc. ~Three weeks per year of full remote work. ~ Access to certifications (Google, Salesforce, and Adobe partners). ~ Jxpert: technology training programs in various Jakala disciplines. ~ Jlab: a testing lab for technological solutions. ~ Language training.

We are currently the leading Martech company in Europe, headquartered in Milan with offices around the world. Our data-driven approach, backed by a winning formula of strategy, innovation, technological transformation, engagement, and activation, is the cornerstone of our work.

With a team of 4,000 employees, over 900 clients, and projects in more than 30 countries, and revenue exceeding 500 million euros, Jakala is a benchmark in the digital landscape. Thanks to the contribution of an international team of versatile and highly qualified talent, the company offers unique and personalized solutions, anticipating the challenges of a constantly evolving market.

Ready to Apply?

Don't miss this opportunity! Apply now and join our team.

Detalles del Puesto

Fecha de Publicación: February 27, 2026
Tipo de Trabajo: Tecnología
Ubicación: Madrid, Spain
Company: JAKALA

Ready to Apply?

Don't miss this opportunity! Apply now and join our team.