Ingeniero de software

Position : Software Engineer- Freelance

Hiring Location : Madrid

Department or business unit : Development

Minimum experience required : More than 4 years. Senior Developer.

Remote / Onsite : Hybrid

Why Loud Intelligence?

At Loud Intelligence , you will have the opportunity to work with the most advanced technologies and artificial intelligence solutions in a well-funded startup that fosters your professional growth. Your work will directly impact the campaigns of renowned brands, reaching millions of users through leading platforms, in a flexible and rapidly growing environment.

This role is especially well-suited for senior engineers who enjoy autonomy, want to keep space for personal projects, and are looking to collaborate with a tech-driven, innovative team on the side.

Short Job Description :

We’re looking for a Full Stack Developer with solid experience in web technologies (React, Node.js, Next.js) to support us in the evolution of our platform.

This is a part-time role (10–20 hours / week), offering flexibility and ideal for someone looking to contribute meaningfully to a fast-moving startup without giving up other commitments.

You'll work closely with our tech and product team to deliver features in sprints, optimize existing components, and integrate new services—especially around AI and cloud tools.

Tasks :

• Collaborate on the development of product features using React, Next.js, Node.js , and FastAPI .
• Maintain and optimize existing codebase and UI components.
• Contribute to the design and architecture of lightweight scalable modules.
• Participate in integrations with AI tools , including LLMs, embeddings, and vector databases (guided by the core team).
• Attend occasional sprint meetings, demos or reviews (online).
• Work independently , delivering clean and tested code.

Requirements :

Benefits :

About our company : Ingeniero Software

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