221,763+ Software Engineer React Python Jobs in Spain — Top Companies Hiring June 2026

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Data Engineer: AI Ready ETL & Big Data Pipelines

A leading energy management company located in Barcelona seeks a Data Engineer to modernize data-lake operations. The role involves designing ETL processes, managing complex datasets, and collaborating with cloud engineering teams. Suitable candidates should have a degree in a relevant field and at least 2 years ...

Senior Privacy & Compliance Engineer Hybrid (Barcelona)

Scopely is hiring a Senior Compliance Engineer for its Information Security team in Barcelona on a hybrid basis. The role involves embedding privacy by design, improving privacy engineering capabilities, and conducting privacy assessments. Candidates should have 5+ years of experience in information security or ...

Applied ML Engineer Build Scalable ML for Gaming

Superbet is looking for a Machine Learning Engineer to join their Applied ML & Research team in Madrid, Spain. In this role, you will develop innovative machine learning solutions that enhance security and user experience across their gaming platforms. Ideal candidates have a Bachelor’s degree in a relevant fiel ...

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 ...

Flight Test Systems Engineer Lab & Field V&V

Bertrandt Group in Getafe, Spain, is seeking a Systems Engineer with experience in system development, production, and testing. This role centers around the Flight Test Center and involves defining, executing, and reporting laboratory, ground, and flight test campaigns. Candidates should have around 2 years of e ...

Hybrid Infra Verification Engineer (CI & Automation)

Hireroo is looking for a Mid/Senior Infrastructure Verification Engineer in Barcelona, Spain. The successful candidate will support and enhance the verification environment for processor development, automate regression testing, and optimize computing resources. Key qualifications include a Bachelor's, Master's, ...

Senior Backend Engineer — AI Powered Pricing & Autopilot

Lighthouse in Barcelona is seeking a Senior Backend Engineer to develop and maintain their core pricing manager system. You will collaborate closely with product managers and engineers, building distributed services and APIs. Strong experience in Go or Python/Django is required, with a focus on delivering imp ...

Senior AI Backend Engineer — Production Ready GenAI APIs

BME | Bolsas y Mercados Españoles is seeking a Senior AI Backend Engineer to join the AI Engineering team. This role focuses on backend ownership, APIs, and integrations for AI productization in GenAI and Data Mining areas. The ideal candidate will have deep proficiency in Python, with experience in de ...

Backend Engineer — AI Driven Hospitality APIs

Lighthouse is seeking a Backend Engineer in Barcelona to develop high-performance APIs that provide valuable insights to over 100,000 hotels worldwide. You will work closely with a skilled team to support existing customers and develop features for new clients. The ideal candidate will have strong expe ...

Senior Reverse Engineering & Bot Evasion Engineer Flexible

Nabla is seeking a talented Reverse Engineer to push systems to their limits while maintaining high ethical standards. This role involves analyzing web and mobile applications, overcoming security mechanisms, and developing innovative tools. You will primarily work with protocols such as TLS, HTTP/2, and WebS ...

Orbit Graduate: AI Value Engineer (Benelux)

Process Analytics Factory - PAFnow by Celonis seeks an Associate Applied AI Engineer in Madrid. This entry-level role is part of a 12-month Orbit Graduate Program, offering a unique career start in the SaaS industry with hands-on learning and mentorship. The successful candidate will engage with client ...

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 ...

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 ...

Generative AI Backend Engineer: FastAPI & GraphQL

Astek is seeking a passionate Backend Engineer to join our fintech partner in Madrid. In this role, you will bridge user-facing AI applications and core backend infrastructure, designing robust services and GraphQL APIs. The ideal candidate will have a degree in Computer Science or related field, and 1 ...

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 ...

Data Analyst & BI Engineer — Remote, Learning & Impact

Odilo is seeking a Data Analyst - BI Engineer in Madrid to enhance data-driven decision-making. You will collect and analyze vast datasets, design and maintain dashboards, and collaborate closely with teams on defining KPIs. The ideal candidate has 4+ years of experience, strong skills in SQL and Pytho ...

GenAI Platform Architect & MLOps Leader

Clarity AI in Madrid is seeking a Senior MLE Staff Engineer to design and develop a core platform for deploying and managing Large Language Models (LLMs). In this role, you will bridge the gap between machine learning experimentation and production, ensuring high performance and reliability. The succes ...

Vision AI Solutions Architect (Hybrid) — YOLO Expert

Ultralytics in Spain is seeking a Solution Engineer to interface with clients and design cutting-edge AI solutions using the YOLO ecosystem. You'll deliver technical demonstrations, debug issues, and serve as a key technical advisor. The role requires 5+ years in Computer Vision or Machine Learning, excellent cl ...

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 ...

Data Science & IA — Hybrid Work, Growth & Innovation

GfK - An NIQ Company, en Madrid, busca un Data Engineer con al menos 2 años de experiencia en Data Engineering. Las responsabilidades incluyen diseñar y mantener pipelines de datos y gestionar datos desde diversas fuentes. Se requieren habilidades en Python, SQL y herramientas de BI como Qlik y PowerBI. Se ofrec ...

Senior Metrology Engineer — 3D Measurements & AI Vision

Diamond Foundry is looking for a Senior Metrology Engineer in Zaragoza to play a crucial role in the development of measurement systems. You will be integral in creating 3D measurement capabilities and maintaining deep learning models for defect detection. This position requires a bachelor's degree and ...

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 ...

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 Backend Architect for AI Infra & Multi Tenant

Die Deutsche Telekom in Granada sucht einen erfahrenen Senior Backend Engineer, der für die Architektur und Wartung der Backend-Plattform-Infrastruktur verantwortlich ist. Die Rolle umfasst die Entwicklung skalierbarer Microservices und die Implementierung robuster CI/CD-Pipelines, um eine hohe Performance un ...

Field Deployment Engineer, AI Agents & Production Ready

InteractiveAI is seeking a Forward Deployed Engineer to lead the deployment of agentic AI solutions that resolve critical business challenges. You'll work with a variety of clients, leveraging your expertise in backend engineering and systems integration. Successful candidates will have 5+ years of rel ...

Senior Personalization ML Engineer Real Time Content

Storyful in Barcelona is looking for a Senior Machine Learning Engineer specializing in personalization. In this role, you will design and build systems that deliver relevant, personalized experiences across digital products. The ideal candidate has over 3 years of experience applying machine learning ...

Senior GCP Data Engineer — Cloud Native & Big Data Impact

Bluetab, an IBM en Monterroso busca un Data Engineer para diseñar y desarrollar procesos de integración de datos con Google Cloud Platform. Este rol ofrece la oportunidad de colaborar en proyectos nacionales e internacionales, optimizando la arquitectura de datos. Los candidatos deben tener al menos 4 ...

Remote Cloud Data Engineer: ETL & Pipelines

Seidor busca un/a Cloud Engineer con enfoque en Data Engineering en Galicia, Arbo, para desarrollar plataformas de datos en la nube. La persona ideal tendrá experiencia en AWS y habilidades en Python y SQL. El rol involucra el diseño de pipelines de datos y la automatización de procesos en entornos clo ...

Senior AI Engineer LLMs, RAG & AWS Production

Capitole is seeking an AI Engineer to join a dynamic team in Barcelona. The role involves designing and deploying LLM-powered applications, contributing to the development of innovative AI solutions. Candidates should have strong programming skills in Python and experience with AI/ML frameworks. You wi ...

Azure Data Engineer — Cloud Data Platforms

Keepler Data Tech busca un/a Data Engineer AZURE en Monterroso, Galicia. Te integrarás en un equipo que trabaja en la construcción de plataformas de datos en entornos cloud con AZURE. Se requiere un mínimo de 3 años de experiencia en ingeniería de datos y dominio de herramientas como Python, Spark, y SQL. </p ...

Ingeniero de Datos GCP – Híbrido, Horario Flexible

NTT Data Europe & Latam en Barcelona busca un Data Engineer con más de 2 años de experiencia en desarrollo SQL y Python. El rol implica unirse a un equipo de élite enfocado en soluciones de Data & Analytics, colaborando en la transformación digital de grandes organizaciones. Se ofrece un contrato indef ...

Senior MLOps Engineer: Build Gen AI & LLM Systems

European Tech Recruit is searching for a Senior MLOps Engineer to work in Barcelona, Zaragoza, or Madrid. In this permanent position, you will be responsible for building and scaling LLM systems, managing the complete MLOps lifecycle. You will collaborate with leading experts in AI and quantum technology. </p ...

BI Data Engineer: Move Legacy BI to Palantir/Foundry

Lognext busca un BI Data Engineer en Carballedo, Galicia, para unirse a su equipo. El candidato ideal tendrá experiencia sólida en BI y transformación de datos, así como un buen dominio de SQL y herramientas de visualización. El rol incluye responsabilidades como analizar modelos BI actuales, migrar da ...

Ingeniero Full Stack IA & GenAI — Despliegue y Producto

Ntt Data Europe & Latam busca un Full Stack Engineer para diseñar, desarrollar y desplegar soluciones de Inteligencia Artificial. El candidato acompañará a los equipos de Data Science asegurando la calidad del código y el rendimiento óptimo en la gestión de soluciones de IA tradicional y generativa. Re ...

Enterprise AI/ML Systems Engineer — LLM Inference

Aramco is seeking an AI/ML/LLM Systems Engineer for their Digital & AI Center of Excellence. This role is pivotal in developing enterprise-scale AI platforms, focusing on LLM deployment and optimization. Candidates should have a master's degree, 8 years experience in AI/ML systems, and proficiency in tools like ...

Data Engineering Lead: Architect Pipelines & AI

VML MAP is seeking a Lead Data Engineer in Barcelona, Spain, responsible for leading their Data Engineering practice. You will design standards for data infrastructure and provide guidance to a team of engineers. The ideal candidate has extensive data engineering experience, proficiency in SQL and Python, as wel ...

LLM Engineer for Renewable Energy AI Platform

DNV is looking for an ML Engineer in Barcelona to develop and enhance generative AI solutions on Horizon. This hands-on role involves building LLM-powered agents, connecting to various data sources, and ensuring production-grade AI systems. Ideal candidates should possess a Master’s degree in a relevant field an ...

AI Platform Engineer (DevOps) — Scalable ML Foundations

Amaris Consulting in Madrid is seeking a Platform Engineer (AI & DevOps) to build and evolve scalable AI foundation platforms that empower data scientists and engineers. You will be instrumental in developing ML and LLM applications used globally. The ideal candidate has over 3 years of experience, str ...

Senior AI Systems Engineer: LLM Orchestration & NLP

Wizeline in Madrid is looking for a skilled Machine Learning Engineer to collaborate with data scientists and engineers, driving complex AI workflows. The ideal candidate has a Bachelor's or Master's degree in a relevant field, along with at least 4 years of industry experience in machine learning engineering ...

Senior Verification Engineer UVM/SystemVerilog (Onsite Barcelona)

European Tech Recruit is seeking a Mid to Senior Verification Engineer to join their exciting semiconductor organization in Barcelona. The ideal candidate should have a strong background in SystemVerilog and UVM, along with experience in scripting languages like Python, Perl, Bash, or TCL. This role of ...

AI Engineer Backend & LLM Workflow Architect

Fds, A Dxc Technology busca un AI Engineer en Santiago de Compostela para diseñar y desarrollar agentes de infraestructura con LLMs. Se requiere experiencia en desarrollo backend en Python, integración de LLMs y diseño de flujos agénticos. El candidato ideal será parte de un equipo técnico innovador en ...

AI Solutions Engineer From Prototype to Production

Aily Labs in Barcelona is looking for an AI Engineer to build and deploy end-to-end AI solutions. You will own the lifecycle of solutions, from design to deployment, and collaborate with the AI Platform team to leverage shared infrastructure. The ideal candidate has strong Python skills and experience ...

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 ...

Founding AI Engineer for Multimodal Guest Platform (Equity)

Crearte Consulting busca un/a Founding AI Engineer en Barcelona para liderar el desarrollo de una innovadora plataforma conversacional impulsada por IA. Este rol es fundamental y tiene un impacto directo en el producto y la estrategia de la empresa. Se requiere experiencia significativa en Python y el ...

Senior Data Engineer — AI/ML Data Pipelines Lead

Insud Pharma is looking for a Senior Data Engineer for AI Labs to build and operate data structures and ingestion pipelines. This hybrid role focuses on ensuring data quality and enabling AI/ML use cases for health projects. The ideal candidate should have 5+ years of experience in Data Engineering, st ...

Remote ML Forecasting Engineer (Healthcare)

Jobgether is seeking a ML Engineer (Forecasting) to develop high-impact forecasting models in Spain. This role involves designing and deploying machine learning models that enhance operational efficiency in healthcare. Responsibilities include collaborating with engineers and product teams, developing ...

3D Vision & Deep Learning Engineer (Mid Level, Hybrid)

CRISALIX LABS in Barcelona is looking for a mid-level Computer Vision & 3D Deep Learning Engineer to develop and deploy innovative models that reconstruct visual data. The candidate must have 2–3 years of experience, strong Python skills, and proficiency in PyTorch or TensorFlow. This role integrates d ...

Senior Data AI Engineer: Liderazgo en IA Transformadora

Yeeply busca un/a Senior Data AI Engineer en Madrid para diseñar y desarrollar soluciones avanzadas de IA. La función incluye liderar proyectos de transformación digital y analítica predictiva en un entorno de I+D que potencia la innovación tecnológica. Los candidatos deben tener experiencia en lenguaj ...

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 ...

Ingeniero Full Stack IA GenAI | Despliegue y Rendimiento

Ntt Data Europe & Latam está buscando un Full Stack Engineer en Sevilla. Este rol es clave para diseñar, desarrollar y desplegar soluciones de Inteligencia Artificial en entornos productivos, siendo fundamental el acompañamiento técnico a los equipos de Data Science para asegurar calidad y rendimiento óptimo. ...

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    Software Engineer React Python Jobs in Spain Job Search Guide, Trends and Insights