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# Full Stack Engineer

- **Company:** Aldren
- **Location:** Arzúa, Spain
- **Contract:** Permanent contract
- **Skills:** Query Performance, Application Programming Interfaces (APIs), Artificial Intelligence, Data Integrity, Large Language Models, Data Layers
- **Published:** August 11, 2026
- **Apply:** https://www.buscojobs.com.es/full-stack-engineer-en-arzua-ID-366947068

## About the Role

Demonstrated experience shipping full?stack products end?to?end
Product?minded - you think about the user experience, not just the implementation
Shipped AI products (not exclusive to LLMs) - you don't need to build the models but you know how to build around them
Ability to move fast without creating a mess you'll regret in six months
Curiosity about hard, document?heavy domains with high accuracy requirements
Experience in Pharma / Biotech a plus but, curiosity is more important
Why Aldren
Work with a lean team with deep experience in Pharma, AI, and building from 0 to 1.
You will have a high level of ownership from day one and shape both the product and the business.
#J-*****-Ljbffr

## Description

About The RoleYou'll be an early engineer at Aldren, working directly with the founding team to build an AI-native product for regulatory teams in pharma and biotech.About The RoleYou'll be an early engineer at Aldren, working directly with the founding team to build an AI-native product for regulatory teams in pharma and biotech.What you'll doBuild and own the core product interface - document viewers, annotation layers, review workflowsDesign and implement APIs that connect AI systems to the front?end in a reliable, low-latency wayOwn the data layer - schema design, query performance, and data integrity in a compliance-sensitive environmentWork directly with customers to understand how they work and translate that into product decisions fastStrong opinions on what AI?native UX should look likeWhat we're looking forDemonstrated experience shipping full?stack products end?to?endProduct?minded - you think about the user experience, not just the implementationShipped AI products (not exclusive to LLMs) - you don't need to build the models but you know how to build around themAbility to move fast without creating a mess you'll regret in six monthsCuriosity about hard, document?heavy domains with high accuracy requirementsExperience in Pharma / Biotech a plus but, curiosity is more importantWhy AldrenWork with a lean team with deep experience in Pharma, AI, and building from 0 to 1.You will have a high level of ownership from day one and shape both the product and the business.#J-*****-Ljbffr


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