Job Summary: We are seeking a Backend Developer (Python) with strong technical ambition and strategic mindset to join our engineering team, developing the next generation of products with integrated GenAI and LLM models. Key Highlights: 1. Backend development in Python for an international-platform 2. Integration of GenAI and LLM models into the platform 3. Growth toward a software engineering role with architectural vision **Who Are We?** **DELECTATECH** is a startup based in **Barcelona**, focused on research and development of **SaaS applications** powered by **Artificial Intelligence (Natural Language Processing & Deep Learning)** for the **FoodService** sector. Our product, Food Radar, is the first SaaS-based FoodService industry data observatory, enabling manufacturers, distributors, and restaurants to monitor developments across the HORECA sector at a high level of detail. Our clients include global leaders in HORECA manufacturing and distribution. The company has received multiple awards for innovation, including the PascualStartup award for the **Best Retail Startup of 2017** (awarded by **CalidadPascual, IBM, and Telefónica**) and repeated recognition as one of Europe’s most promising NLP companies. Additionally, thanks to recent advances in **Generative Artificial Intelligence**, the company has been selected for **global acceleration programs by Microsoft and Google.** **What Are We Looking For?** We seek a **Backend Developer (Python)** to join our engineering and development team, working closely with our **Data & AI team—specialized in artificial intelligence for over 7 years** and repeatedly awarded for excellence. We are currently building the next generation of our products for an **international market**, involving significantly **larger data volumes** and far more complex challenges—including simultaneous integration of **GenAI and LLM models**, which the company has been actively using for years. We seek a candidate with **strategic mindset and technical ambition**, eager to grow into a **software engineering role with architectural vision**, working on complex systems with a clear focus on real-world AI application. Interest in learning cross-cutting technologies such as DevOps or new AI-assisted frontend frameworks is also valued. If you’re interested in working on an **internationally deployed data-driven platform**, recognized for its early and serious commitment to artificial intelligence (not AI for fashion), and want to grow both **technically and strategically**, this opportunity is for you. **What Is Our Tech Stack?** * Backend in **Python**, using **FastAPI** as the primary framework, and ORMs such as **SQLAlchemy Beanie/Bunnet and Tortoise**. * Databases: **MongoDB, PostgreSQL, and MariaDB**. * **Frontend in Angular 19+**, infrastructure built on **Docker and Docker Compose** for environment management and deployments. **What Will Your Day-to-Day Look Like?** * **Develop Python backend services** handling large-scale data and forming the core of the platform. * **Support evolution of the data model and service architecture**, upon which the company’s products are built. * **Integrate GenAI and LLM models** into the platform, developing services that enable natural-language interaction with data. * **Support frontend integration**, including adaptation of components generated via AI-assisted development tools. * **Support infrastructure and deployment tasks**, collaborating with the team on technical operations of services. **What Profile Do You Need to Thrive in This Role?** **Experience and Hard Skills:** We seek someone with solid experience in Python backend development. As a reference, this typically corresponds to approximately **3+ years of experience or equivalent in real-world projects.** You should feel comfortable with: * Backend development in **Python** * Design of **REST APIs** * Modeling of **business logic** and design of **well-structured data models** * Working with **SQL and/or NoSQL databases** We also value experience with: * Frameworks such as **FastAPI, Flask, or Django REST** * Systems handling **significant data volumes** * Architectures featuring **decoupled services** * Basic concepts of **Docker and deployment** It’s a plus if you have worked with: * **AI or LLM APIs** * Data systems or data processing pipelines **Soft Skills:** * **Ownership:** You take responsibility for your code until it runs successfully in production—you don’t “disengage” after merging. * **Technical Pragmatism:** Balance between quality and speed; you understand when fine-grained architecture is needed and when delivery takes priority. * **Autonomy:** You know how to unblock yourself, research independently, read documentation, and move forward without constant hand-holding. * **Structured Thinking:** You can organize complex systems, recognize patterns, and propose clear improvements to architecture and code. * **Strong communication** within the technical team: You can explain why you propose a solution and listen to others. **Education** * Degree in Computer Engineering, Software Engineering, Data Engineering, or related field is valued. * Native or near-native Spanish. * Sufficient English proficiency to read technical documentation and communicate occasionally. **What Can Delectatech Offer You?** * **Compensation:** Fixed annual gross salary of €35,000. * **Flexible hours and hybrid work model** (we use milestone-based methodologies), plus the ability to choose vacation days freely throughout the year. * Opportunity to work at a highly innovative, rapidly growing startup with tangible impact on how the FoodService industry understands its data. * A clear career path toward a **Senior Backend / Fullstack role with architectural responsibility**, if that direction interests you. * A young, dynamic environment with great team spirit and a strong focus on getting things shipped to production. * Office in Barcelona offering coffee, fruit, snacks, and all the usual comforts to make your day more enjoyable.