Full Stack Engineer

Thyme; Tarragona; A distancia; EUR 70.000 - 100.000; Jornada completa

Descripción de la vacante

A cutting-edge tech company is seeking a Full Stack Engineer to develop and scale applications using AI and Large Language Models. The ideal candidate will have proficiency in Python and React, experience with LLM systems, and a collaborative mindset to innovate in AI-driven products. This role offers a competitive salary package and is primarily remote within the EU.

Servicios

Cutting-edge hardware technologies

Collaborative team culture

Competitive salary and benefits package

Formación

• Strong proficiency in Python and React / TypeScript; experience with Java is a plus.
• Hands-on experience building and deploying LLM-based systems.
• Deep understanding of AI application architecture.
• Experience with ML model serving and SDK development.

Responsabilidades

• Design and develop scalable full-stack solutions.
• Build and optimize AI / ML pipelines leveraging LLMs.
• Develop SDKs and APIs to support AI-driven applications.
• Collaborate across teams to drive innovation.
• Ensure high performance and reliability across the stack.

Conocimientos

Python

React

TypeScript

Java

LLMs and RAG systems

AI application architecture

ML model serving

Descripción del empleo

Full Stack Engineer (Python, React, AI / ML / LLM / SDK) – Cutting-Edge Series B scale up

Location: Remote EU – Spain

Salary: 70K Euros - 100K Euros

About

We are seeking a Full Stack Engineer with a proven track record in building and scaling applications powered by Large Language Models (LLMs). This role requires deep expertise in Python, React, and modern AI / ML development, including LLM frameworks, SDKs, and retrieval-augmented generation (RAG) systems.

Key Responsibilities

• Design and develop scalable full-stack solutions involving both frontend (React / TypeScript) and backend (Python / Java).
• Build and optimize AI / ML pipelines leveraging LLMs and RAG architectures.
• Develop SDKs and APIs to support AI-driven applications in resource-constrained or production‑grade environments.
• Collaborate across engineering, product, and research teams to drive innovation in AI / ML‑based products.
• Ensure high performance, testability, and reliability across the stack.

Key Qualifications

• Strong proficiency in Python and React / TypeScript; experience with Java is a plus.
• Hands‑on experience building and deploying LLM-based systems (e.g., OpenAI, Hugging Face Transformers, LangChain, etc.).
• Deep understanding of AI application architecture, including RAG systems, vector databases, prompt engineering, and fine‑tuning.
• Experience with ML model serving, SDK development, and working in production‑grade environments.
• Ability to work across the full stack and thrive in a fast‑paced, collaborative environment.
• Product‑focused engineer.

What We Offer

• The chance to work with cutting‑edge hardware technologies in a high‑growth environment.
• A collaborative team culture that values innovation and technical excellence.
• Competitive salary and benefits package.