37 English-speaking jobs in Aragon

***This is initially a Fixed Term Contract until the end of June 2026 - Hybrid from a new site in Zaragoza***ResponsibilitiesLead cross-functional teams of engineers and machine learning practitioners to deliver impactful LLM and AI solutions for top-tier industry clients.

***ResponsibilitiesLead the DevSecOps practices and processes within the organizationDevelop and implement DevSecOps strategies for the organization. Mentor other engineers in the adoption of Cybersecurity best practices. Work with development and operations teams to automate security-based principles. Identify and implement tools and processes to improve software development and delivery.

***Required Qualifications• Bachelor’s degree or higher in Computer Science, Electrical Engineering, Physics, or related field; or equivalent industry experience• 3–5 years of hands-on experience in embedded systems, firmware development, or systems programming• Demonstrated experience optimizing machine learning models for deployment on constrained devices• Strong proficiency in Pytho

Required Qualifications2–5 years of experience developing and maintaining backend systems in Python or Go. Strong understanding of RESTful API or gRPC design, versioning, and performance optimization. Experience with Docker and basic familiarity with Kubernetes for deploying scalable services. Solid understanding of relational databases (PostgreSQL/MySQL) and schema design.

A leading European deep-tech company in AI and quantum technologies is looking for a talented Deep Learning Engineer to join their team on a fixed-term contract ending June 2026. This is an exciting opportunity to work on cutting-edge AI and LLM compression—reducing model sizes by up to 95% while cutting inference costs by 50–80%—impacting real-world AI deployments globally.

Quality Control Engineer – AI & LLM Solutions - AI+Quantum - Zaragoza (hybrid) - 6 months contract We have partnered with a pioneering Quantum AI company at the forefront of building faster, greener, and more accessible AI technologies.

**This is initially a Fixed Term Contract until 30th June 2026 - Hybrid in Zaragoza**Responsibilities• Design and develop new techniques to compress Large Language Models based on quantum-inspired technologies to solve challenging use cases in various domains.

**This is initially a Fixed Term Contract - Hybrid from a brand new site in Zaragoza**Responsibilities• Design and develop new techniques to compress Large Language Models based on quantum-inspired technologies to solve challenging use cases in various domains.

If you’re looking for real impact, strategic vision, and a key role within the adtech/data industry… keep reading. We are partnering with a technology company specializing in advanced analytics and mobile data mediation, connecting telecommunications operators with brands, agencies, and advertising platforms. Transforms network data (location, behavior, identity) into actionable insights.

Collaborate with cross-functional teams to integrate AI solutions. Mentor junior engineers and share knowledge across the team. Stay ahead of AI trends and emerging LLM technologies. You Bring:Master’s or Ph. D. in AI, CS, Data Science, or related field. 2+ years (Mid) / 5+ years (Senior) hands-on experience with transformers & deep learning.

We are seeking a Quality Control Engineer to help ensure that advanced AI and large-language-model solutions perform reliably in real-world environments. You will play a key role in validating the technical quality and functional integrity of AI applications delivered to clients.

AI Systems Engineer | LLMs & Generative AI | €55k-€75k p/a | Fixed term contract until June 2026 | Quantum Computing and Software | Zaragoza | Hybrid WFH | Visa sponsored | Machine Learning & Data ScienceWorking arrangements: Hybrid home working, 3 days a week in office, 2 days a week WFHContract: Fixed term short contract only until project end in June 2026Location: Zaragoza, SpainVisa Sponso

We’re looking for a Mobile Developer who’s passionate about creating seamless, next-gen mobile experiences — blending AI, LLMs, and cutting-edge quantum tech. This is your chance to work alongside some of the brightest minds in AI and quantum computing, developing solutions that have real-world global impact.

Machine Learning Engineer (Product) – Fixed-Term ContractLocation: Zaragoza (Hybrid)Contract: Fixed-term until June 2026We’re looking for a Machine Learning Engineer to join a leading European deep-tech company at the cutting edge of AI innovation.

Lead cross-functional teams to deliver impactful machine learning projects for top-tier industry clients, shaping the future of AI deployment worldwide. What You’ll DoLead the full lifecycle of ML and LLM projects: planning, execution, and delivery. Translate complex business requirements into actionable technical plans and roadmaps. Manage project progress, resource allocation, risks, and KPIs.

Collaborate with cross-functional teams to integrate AI solutions. Mentor junior engineers and share knowledge across the team. Stay ahead of AI trends and emerging LLM technologies. You Bring: Master’s or Ph. D. in AI, CS, Data Science, or related field. 2 years (Mid) / 5 years (Senior) hands-on experience with transformers & deep learning.

Full-Stack Engineer - Quantum / AI - (Fixed-term contract) - based in Zaragoza, SpainWe are recruiting for a fast-growing European deep-tech company working at the cutting edge of quantum technologies and AI. They’re backed by major investors and are developing technology that makes AI models faster, more efficient, and significantly cheaper to run.

We are looking for a Backend Engineer who enjoys building reliable, scalable services that power advanced AI and data-intensive applications. In this role, you’ll collaborate with cross-functional teams to transform research-driven concepts into robust production components.

**This is initially a Fixed Term Contract - Hybrid from Zaragoza**Responsibilities• Design and develop new techniques to compress Large Language Models based on quantum-inspired technologies to solve challenging use cases in various domains.

Backend Engineer - Quantum + AI - 9 months contract - Zaragoza, SpainJoin a European deep-tech leader at the forefront of quantum and AI innovation. The team is backed by major global strategic investors and strong EU support, and is already reshaping how AI is deployed worldwide. As the business expands we are now looking for a Backend Engineer to join the team in Zaragoza.