193,695+ Software Testing Validation Engineer Python Java Jobs in Spain — Top Companies Hiring June 2026

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Senior Data Engineer Data Modeling & Analytics (Hybrid)

DATWIN, ubicado en Cataluña, busca un/a Senior Data Engineer para diseñar y construir modelos de datos escalables que soporten aplicaciones analíticas y dashboards. El rol implica trabajar con tecnologías modernas como Snowflake y Python para optimizar procesos de datos. Buscamos una persona con más de ...

Aws Data Platform Engineer Flexible Hours & Data Products Badajoz

Paradigma Digital busca un Data Platform Engineer con experiencia en la implementación y mantenimiento de infraestructuras de datos en AWS. Este puesto implica colaborar con equipos de desarrollo para diseñar y optimizar procesos de datos. Se requiere experiencia sólida en Terraform, Jenkins y AWS, ...

Data Lakehouse Architect & Senior Data Engineer

Pixie Code S.L en Ourense busca un Data Architect y un Senior Data Engineer para contribuir a un proyecto estratégico en el diseño y evolución de plataformas de datos avanzadas. Los candidatos deben tener experiencia sólida en Apache Spark y Python, así como la capacidad de definir arquitecturas modern ...

Senior MLOps Engineer: Cloud Pipelines & ML Automation

agap2 España busca un MLOps Engineer para trabajar en proyectos de inteligencia artificial y Machine Learning. La persona seleccionada se encargará de la industrialización y escalabilidad de modelos en entornos cloud, garantizando su automatización. Se requiere un mínimo de 4-5 años de experiencia en r ...

Senior Analytics Engineer: Data Infrastructure & Insights Lead

Wallapop is seeking a Senior Analytics Engineer in Cataluña, Spain, to lead the design and development of data infrastructure. This role involves working closely with cross-functional teams to enhance data accessibility and impact across the organization. The ideal candidate should have proficiency in ...

Hybrid Data Engineer in Madrid — Flexible Hours, PySpark

Capitole está buscando un Data Engineer para unirse a su equipo en Madrid. Ofrecemos un formato híbrido de trabajo que combina un día en la oficina y cuatro días de teletrabajo por semana. La posición incluye flexibilidad horaria y jornada intensiva los viernes durante el verano. Valoramos la experienc ...

Data & AI Platform Engineer Intern — Hybrid Madrid

Tamarind Intelligence is seeking a Data & AI Platform Engineer Intern to contribute to the development and deployment of data pipelines and AI solutions. This hybrid role involves working in our Madrid offices, focusing on building scalable data and AI applications. The ideal candidate will possess a B ...

Founding AI Solutions Engineer France

HappyRobot in Madrid is looking for a Forward Deployed Engineer to join its innovative team. In this role, you will combine technical expertise with excellent communication skills, working directly with customers to maximize the value of AI solutions. The position involves customer support, onboarding, ...

Hybrid 3D Vision Engineer — Deep Learning & NeRF Pipelines

Crisalix, a leader in 3D imaging technology, is seeking a Computer Vision Engineer to enhance our deep learning and 3D data processing capabilities. In this role, you will research and integrate advanced algorithms, develop deep learning components, and evaluate the quality of reconstructions. A solid backgro ...

Kubernetes & Cloud Platform Engineer

Lawrence Harvey busca un/a DevOps Engineer con experiencia en automatización, contenedores y cloud para unirse a un proyecto estratégico en Huelva. Se requiere administración de plataformas en Kubernetes, scripting en Bash y Python, y conocimientos en herramientas como Docker y Terraform. Los candidato ...

Tech Lead — AI First Data Platform & Analytics

Nexthink SA is hiring a Senior Data Engineer (Tech Lead) to oversee the development of data platforms while leveraging AI for advanced solutions. Located in Madrid, this role involves collaborating with product managers, establishing technical architecture, and leading a data engineering team. Ideal ca ...

MLOps Engineer AI Apps & CI/CD (Hybrid)

Banco Santander SA in Santander is seeking a talented MLOps Engineer Analyst to enhance our customer-centric transformation through innovative AI solutions. The role involves developing and maintaining AI applications, ensuring code quality with CI/CD pipelines, and collaborating with diverse stakeholders. Ideal ...

Senior Agentic AI Engineer for Autonomous LLMs

Factech Servicios Informáticos en Barcelona busca un/a Agentic AI Engineer para transformar la interacción con servicios financieros mediante IA. El candidato/a liderará el desarrollo de una plataforma innovadora, diseñando y evolucionando agentes autónomos que automaticen procesos críticos y mejoren la exper ...

ML Engineer: Production Models & LLMs (Remote)

MailerLite, based in Barcelona, is seeking a Machine Learning Engineer to develop and ship predictive models from large-scale behavioral data. You will be crucial in creating models that enhance customer engagement and streamline marketing processes. The role requires proficiency in Python and ML tools ...

Senior Full Stack Engineer Remote Energy Data

E&C Consultants seeks a Fullstack Engineer to shape the technical direction of their energy data platform. You will build impactful solutions with a modern tech stack, including Python, Docker, and Azure. The role offers remote and hybrid options, promoting a flexible work culture and strong growth opp ...

Data Science Engineer Lead — Plant Breeding (Global, Hybrid)

Fall Creek® is looking for a qualified Data Science Engineer in Sevilla, Spain, to support decision-making in plant breeding and horticultural research. The role involves designing complex databases, developing data quality models, and acting as a liaison between R&D and IT. The ideal candidate will have a stron ...

Hybrid Data Engineer in Madrid — Flexible Hours, PySpark

Capitole está buscando un Data Engineer para un puesto híbrido en Madrid. Se ofrece flexibilidad horaria y jornada intensiva los viernes. El candidato ideal tendrá entre 3 y 4 años de experiencia y deberá conocer Python, PySpark y SQL avanzado. Entre las responsabilidades se incluye el diseño y desarro ...

Senior ML Engineer Lead Platform & MLOps

F. Hoffmann-La Roche Gruppe recherche un Senior Machine Learning Engineer passionné par l'ingénierie et l'application des technologies pour transformer le secteur médical. Vous dirigerez des projets complexes en collaboration avec des équipes interdisciplinaires, assurant une infrastructure robuste pour nos D ...

Senior MLOps Engineer: Build Scalable ML Platforms

A progressive tech firm in Barcelona is looking for a Senior ML Engineer to lead the development and management of its ML Platform. The role involves working closely with Data Scientists and Engineering to enhance MLOps practices, ensuring models operate efficiently at scale. Candidates should have strong skills ...

Senior Cybersecurity Architect: XDR, SIEM & Automation

EURAXESS Ireland is looking for a Senior Engineer in Madrid to lead design and development of large-scale cybersecurity solutions. The role requires expertise in Python and a strong background in automation, offensive and defensive security. Candidates should have a bachelor's degree in a relevant field and a mi ...

Data Engineer Cloud ELT/ETL (Azure & Databricks) Hybrid

Business Insights en Barcelona busca incorporar a un Data Engineer para diseñar y mantener soluciones de datos en la nube. Estarás involucrado en el desarrollo de pipelines ELT/ETL y colaborarás estrechamente con arquitectos y data scientists para optimizar la infraestructura de datos. Buscamos a algui ...

Mid Level 3D Computer Vision & Deep Learning Engineer

Crisalix is seeking a Mid-Level Computer Vision & 3D Deep Learning Engineer to work on cutting-edge projects in Barcelona. The role involves integrating new deep learning algorithms for improved 3D reconstruction and maintaining complex deep learning components. The ideal candidate has 2-3 years of exp ...

Data Scientist & IA: Innovación en Análisis y ML

GfK - An NIQ busca incorporar dos nuevas posiciones en Madrid para su área de Inteligencia Artificial y Data Science. Se buscan un Data Engineer y un Data Scientist, ambos con experiencia entre 2 y 4 años en roles similares. El candidato ideal debe tener conocimientos en Python, SQL y herramientas como ...

Agentic ML Engineer for Adaptive Learning

Busuu invites applicants for a Machine Learning / AI Engineer role to develop innovative AI systems that enhance language learning experiences. Collaborating with a talented team, you'll build systems leveraging state-of-the-art technologies, integrating LLMs and AI frameworks. The ideal candidate shou ...

Foundry Data Engineer — AI Pipelines & Client Impact

Unit8 is seeking an experienced Palantir Foundry Engineer to join our agile project teams in Madrid, Spain. The role involves designing and maintaining robust data solutions using the Palantir Foundry platform. Candidates should possess strong programming skills in Python, knowledge of data processing systems, a ...

France Based AI Solutions Engineer — Frontline Deployed

Reconocida empresa in Madrid is seeking a Forward Deployed Engineer to join its founding team. This role combines customer-facing responsibilities with engineering tasks, ensuring that clients maximize the value of HappyRobot’s AI platform through effective onboarding and continuous support. The ideal ...

Senior Data & IA Engineer: AI Driven Data Products

Mutua Madrileña busca un/a Data Engineer Senior con sólida base técnica y orientación a negocio, especialmente en entornos bancarios. Este rol implica diseñar y construir productos de datos utilizando herramientas modernas de IA, garantizando la calidad y el rendimiento de los datos. El candidato ideal ...

DevOps Engineer – Low Latency Trading Platform

BME | Bolsas y Mercados Españoles is looking for a talented DevOps Engineer to enhance their trading platform in Madrid. The position focuses on automating deployments and operations of a crucial low latency matching application. The ideal candidate should have strong Linux expertise, proficient Bash a ...

Hybrid Electrical Power Systems Simulation Engineer – Grid & Wind

A leading wind energy company is seeking an Engineer for Electrical Simulations & Models to develop and maintain electrical simulation models. The role involves conducting grid integration studies and collaborating with Transmission System Operators. Ideal candidates should have a master's degree in Electrical E ...

ML Engineer: Deepfake & Face Liveness – Remote (Spain)

A leading technology company is seeking a Machine Learning Engineer to focus on deepfake detection and digital manipulation for identity verification. This remote role in Spain involves designing and deploying ML models, building data pipelines, and collaborating with research and product teams. Ideal candidates ...

Senior Data Engineer: Build Scalable Pipelines & Insights

Nova is seeking a skilled Data Engineer to drive data infrastructure enhancements. The role focuses primarily on maintaining and optimizing data warehouse architecture and pipelines, with an additional emphasis on data analysis. The ideal candidate will have over 3 years of experience, strong programmi ...

Kubernetes & Cloud Platform Engineer

Lawrence Harvey busca un/a DevOps Engineer con experiencia en automatización, contenedores y cloud para unirse a un proyecto estratégico en Huelva. Se requiere administración de plataformas en Kubernetes, scripting en Bash y Python, y conocimientos en herramientas como Docker y Terraform. Los candidato ...

Senior Data Engineer: Cloud Data Pipelines and Insights

VML group is looking for a Senior Data Engineer to join our Data Insights and Science team in Barcelona, Spain. The role involves building high-quality data pipelines, optimizing code for data integration, and ensuring ETL processes run efficiently. Ideal candidates will have extensive experience with Spark, Pyt ...

Senior BI Data Engineer: Driving Data to Business Impact

Lognext está buscando un BI Data Engineer para unirse a su equipo, trabajando para una multinacional líder en el sector asegurador. Se requiere sólida experiencia en entornos BI y transformación de datos, así como un buen nivel de SQL y experiencia con modelos multidimensionales. El candidato ideal deb ...

AI/ML Engineer — Lisbon Onsite (Relocation Support)

Air Apps is seeking an AI/ML Engineer to design and optimize machine learning models for their mobile applications. The role involves collaborating with cross-functional teams to create intelligent features and improve user experience. With 4+ years of experience in AI/ML, applicants should be proficie ...

Senior Data Engineer — Remote Pipelines & Analytics

BlueThrone, located in Valencia, is seeking a hands-on Data Engineer to own and design the data infrastructure for mobile applications. This role includes managing the end-to-end data lifecycle, writing Python for pipelines, and partnering with analytics for reporting tools. The ideal candidate will ha ...

Staff AI Engineer Remote, Flexible Hours, Equity & PTO

A leading AI solutions firm located in Madrid is seeking a Staff AI Engineer who thrives in a fast-paced environment to drive product development in Generative AI. The position involves optimizing AI models, conducting experiments, and ensuring high-quality outputs while balancing costs. Ideal candidates possess ...

Senior AI Engineer Production LLMs & Agent Architect

Indra Group en Madrid busca un/a IA Engineer para desarrollar soluciones tecnológicas en el ámbito de defensa. Se requiere experiencia en diseño de sistemas inteligentes, así como un sólido conocimiento en Python y Docker. Los candidatos deben tener al menos 5 años de experiencia en entornos productivo ...

Senior GenAI/LLM Engineer — Remote & Cloud Deployments

eXperience IT Solutions busca un/a Senior Machine Learning Engineer especializado/a en IA Generativa para un proyecto innovador. La persona seleccionada participará en el diseño y desarrollo de soluciones avanzadas de IA, trabajando con modelos de lenguaje y arquitecturas cloud modernas. El puesto ofre ...

Principal AI Engineer Healthcare AI & Production ML

Evinova in Barcelona is seeking a highly skilled Principal AI Engineer to design and implement advanced ML models aimed at revolutionizing clinical development. This role involves managing the end-to-end AI lifecycle while collaborating with cross-functional teams. The ideal candidate will have a degre ...

Hybrid Data Engineer in Madrid — Flexible Hours, PySpark

Capitole Consulting, ubicado en Vigo, busca un Data Engineer con 3-4 años de experiencia. La posición es híbrida, con 1 día en la oficina y 4 días de teletrabajo cada semana. Se valoran habilidades en Python, PySpark y SQL avanzado, así como experiencia en Google Cloud Platform. Ofrecemos flexibilidad ...

Founding AI Engineer for FinTech Trading (LLMs) Madrid

FinTech start-up in Madrid is seeking an AI Engineer to implement AI and large language model functionality in trading systems. The role involves designing, developing, and deploying innovative solutions while collaborating with cross-functional teams. The ideal candidate will have a strong proficiency ...

DevOps Engineer – CI/CD, AWS & Security (Madrid)

A leading global technology firm is seeking a DevOps Engineer in Madrid to enhance CI/CD infrastructure and support development operations. The ideal candidate demonstrates strong skills in CI/CD workflows and AWS, with a background in Agile teams. This role involves working in a dynamic environment to build an ...

GenAI Engineer: AI Agents & Automation Specialist

CGC Solutions busca incorporar un/a GenAI Engineer / AI Agent Developer apasionado/a por la Inteligencia Artificial Generativa para innovadores proyectos en el sector financiero y bancario internacional. El puesto requiere un grado en Ingeniería Informática o áreas relacionadas, junto con experiencia d ...

Senior French Prompt Engineer for Clinical AI Remote

A consulting firm is seeking a Senior French-speaking Prompt Engineer to help develop AI-powered clinical documentation systems. This remote role involves designing and optimizing prompts for AI models used in healthcare workflows, with a focus on collaboration and integration of customer feedback. Candidates sh ...

Mid Level AI & Platform Engineer Mosaic & Agent Platform

ADEREN is seeking a medior AI/Platform Engineer to support and implement Mosaic AI into a governed, multi-tenant platform. You will work on shipping golden paths, SDK/CLI/templates, and evaluation patterns. The ideal candidate should have solid experience with Databricks Mosaic AI tools, Python program ...

Cloud BI Data Engineer: BigQuery & Pipelines

A leading travel tech company in Barcelona is seeking a passionate BI Data Engineer to join their Business Intelligence team. This role involves developing and optimizing data pipelines, ensuring data quality, and supporting analytical needs. Candidates should have strong experience in Python, SQL, and data mode ...

Data Engineer AWS Glue & Redshift | ETL & Cloud

Una empresa tecnológica líder ubicada en Madrid busca un Data Engineer con al menos 4 años de experiencia en el área. El candidato ideal manejará AWS Glue y Redshift, desarrollando pipelines ETL y optimizando procesos de datos. Se valorará experiencia en otras soluciones de AWS y habilidades en Python/PySpark. O ...

Azure Data & Intelligence Engineer For Ai Driven Analytics Monterroso

Seidor está buscando un Data & Intelligence Engineer en Monterroso, Galicia, para unirse a su equipo y contribuir al diseño y desarrollo de soluciones innovadoras en el ecosistema Microsoft Azure. El candidato idóneo tendrá experiencia en servicios de Azure, habilidades en SQL y Python, y pasión por ...

Networking Engineer

About this role The challenge We are looking for a Senior Network Engineer with a strong focus on Datacenter and Network Security , responsible for the design, operation, and continuous improvement of mission‑critical network infrastructures with high levels ...

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    Software Testing Validation Engineer Python Java Jobs in Spain Job Search Guide, Trends and Insights