88,446+ Fullstack Software Engineer Javaangular Secure Devops Jobs in Spain — Top Companies Hiring September 2026

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Senior AI Engineer — Lead Production GenAI at Enterprise Scale

Aily Labs in Madrid, Barcelona, and Munich is hiring AI Engineers who will build agentic decision systems at enterprise scale. You will ground agents in structured data, orchestrate multi-agent workflows, and focus on latency and robustness for production use. The role demands 5+ years of experience in ...

Lead Expert D&T Data Engineer Research, Innovation & Labs

Job Title: Expert Data Engineer, Research, Innovation & Labs Location: Barcelona, Spain Join us as Expert Data Engineer, Research, Innovation & Labs to design and maintain robust data pipelines, ensuring seamless data integration and transformation. Collaborate with data modelers, ...

AI Support Engineer – Hybrid, Paid Time Off, OpenAI License

Darwin AI is seeking a highly motivated AI Special Forces Specialist to join the team in Barcelona. You will be the first line of defense for clients, resolving questions and integrating AI agents with external systems, working closely with CS, Onboarding, Product, and Engineering. If you love solving ...

Java UI Engineer for Mass Spec Instrument Control Remote

Mestrelab Research S.L. in Santiago de Compostela is seeking a skilled Java UI Developer to join an expanding team. The role focuses on designing, developing, and maintaining Java-based client applications for mass spectrometry instrument control within an international organization. The position offer ...

Senior ML Engineer: LLMs & Multi Agent AI (Hybrid Madrid)

EPAM Systems in Madrid, Spain is seeking a Senior ML Engineer to design, build, and deploy scalable ML and AI solutions for a leading wealth management organization. The role sits in a hybrid Madrid context, collaborating across cross-functional teams throughout the full lifecycle from concept to production. ...

Quality Control Engineer – Piping Materials (Remote 2 Days/Week)

Técnicas Reunidas is seeking a Quality Control Engineer for piping materials to ensure vendor documents meet design codes and project specifications. You will review Manufacturing Purchase Specifications, ITPs, Welding Dossier, and testing procedures, coordinating with procurement and inspection teams. <p ...

Space Tech Power Electronics Engineer Hybrid R&D Role

Octagon Group is seeking a Power Electronics Engineer to support the design and development of power supplies and advanced electronic hardware for next-generation products, including space technology applications. Join a multidisciplinary R&D team focused on design, simulation, testing and validation, ...

Facilities Electrical Engineer Substations and High Voltage Infrastructure Specialist

Company Overview Diamond Foundry Inc. is solving the thermal limitation at the foundation of today's most exciting tech industries — AI & cloud compute, electric‑car power electronics, and 5G/6G wireless. We have managed to produce the world's first single‑crystal diamond wafers and are now on a ...

Field AI Engineer for Italy — Deploy AI in Production

Resilientco is seeking a technical engineer to act as a bridge between the company and customers in Spain. You will ensure AI systems deliver outcomes, configure them for success, and work directly with customer teams. The ideal candidate has strong engineering fundamentals, is fluent in Italian and En ...

Senior AI/ML Engineer Hybrid Role with Flexible Hours

Blu Selection is seeking a Senior AI & ML Engineer to join a global fragrance, flavor, and ingredients leader. You will own end-to-end ML lifecycle, build scalable AI systems, and drive production-ready pipelines in a hybrid Barcelona setup. Ideal candidates have 5+ years in IT/engineering, strong Pyth ...

Senior Full Stack Engineer AI Powered Node/React (Hybrid)

Oliver Bernard has partnered with a growing B2B SaaS startup in the events space to hire a Senior Full Stack Engineer (Backend Leaning) who can own features across the full stack. You will work with Node/Express, TypeScript, React, AWS, Terraform and AI tools, and manage infrastructure. This is a hybri ...

Founding React Native Engineer End to End Mobile, Equity

Tuyo in Madrid (Spain) or Miami, FL seeks a founding-level React Native engineer to own the app end-to-end, from UI to App Store releases, and optimize performance across mobile and backend layers. You will work directly with the founders to set engineering culture, architecture standards, and rapidly ...

Senior Full‑Stack Engineer – AI‑Driven MarTech (Remote, Spain)

Bark is seeking a Senior Full Stack Engineer to join our Acquisition squad. You’ll work on Python backend and React/TypeScript frontend, shaping marketing tech that drives customer growth in a fully remote role based in Spain. You’ll collaborate with marketing, product and design, build AI-powered tool ...

Senior AI Solutions Engineer for Revenue & Go To Market

Job Details Go-To-Market Department Spain - Barcelona Full-Time/Hybrid What you will do You will join as a Senior AI Solutions Engineerfor Revenue & Go-To-Market, focused on transforming our internal operations. You will be at the forefron ...

Senior Full‑Stack Engineer: AI‑Driven Java & Angular (Remote)

Talan – Positive Innovation busca un Desarrollador Full Stack Senior para diseñar y construir una nueva aplicación de monitorización de emisiones, distribución y procesamiento. Se trabajará en un entorno ágil, empleando herramientas modernas y prácticas de IA para acelerar el SDLC. El candidato ideal c ...

Power Electronics Hardware Engineer for High Performance Energy Systems

Nextpower is seeking a power electronics hardware engineer to design, develop and optimize energy conversion systems in Valencia. You will define hardware architectures, schematics and component selections in collaboration with firmware, mechanical and quality teams. You will perform electrical, therma ...

Junior AI/ML Engineer — Build Production ML in Barcelona

Blu Selection is seeking a Junior AI & ML Engineer to join a world-class data team in Barcelona. You will contribute to the end-to-end ML lifecycle, helping design, develop, and automate workflows that scale reliable AI solutions. You will gain hands-on experience alongside senior engineers, applying b ...

CAMO/MRO Engineer – Helicopters | Intl Team • 22 Days PTO

Una consultora especializada en ingeniería busca un/a Ingeniero/a CAMO/MRO en Madrid. El candidato ideal debe tener un título en Ingeniería Aeronáutica y al menos 1-2 años de experiencia en entornos CAMO o MRO. Las responsabilidades incluyen supervisar actividades de mantenimiento y coordinar con el equipo de pr ...

Junior Medical Imaging Simulation Engineer – PET/SPECT & AI Data

The Fraunhofer Spain Research foundation is seeking a JUNIOR RESEARCH ENGINEER to assist in R&D activities at the Fraunhofer Center for Applied Theragnostics in Catalonia. You will contribute to PET/SPECT simulation, reconstruction and quantitative imaging physics, and create virtual validation environments f ...

Data Engineer II — Cloud Data Lakes, AWS & Flexible Work

A leading travel technology company in Madrid is seeking a Data Engineer to develop innovative solutions for data processing and visualization. The ideal candidate has experience with modern programming languages like Scala or Python, and is familiar with AWS services. This role emphasizes collaboration, continu ...

AI Enablement Engineer — Hybrid AI Automation for Dev Teams

LeoVegas Group is seeking a hands-on AI Enablement Engineer to drive AI adoption across our development organization. You will embed with engineering and product teams to identify high-impact AI use cases, then build and ship automated solutions that deliver measurable wins. Expect collaboration with A ...

Data Engineer: Hybrid Role in High Impact Data Architecture

Accenture is seeking a passionate data engineering professional to drive the evolution of data architectures and analytics for leading clients. You will engage in building scalable data pipelines, data models, and governance policies while collaborating with top teams worldwide. The role offers exposur ...

Senior AI Engineer Production LLMs for Pet E commerce

zooplus SE is seeking a Senior AI Engineer to design, build, and operate production-grade AI applications in our Agentic Commerce Program. You will develop backend services and APIs that integrate large language models into business workflows, focusing on reliability, safety, observability, and maintainabilit ...

Remote Data Engineer — Spark, Python & ML in the Cloud

Veeva is hiring a Data Engineer to build and evolve the Link data platform. You will own data pipelines with JVM or Python on Spark, operate ML models with the data science team, and drive improvements in precision, recall and cost efficiency. Join a cross‑functional team focused on data lakes, lakehou ...

Senior AI Engineer: Build Scalable ML in the Cloud

Jobtailor busca un ingeniero de IA/ML para diseñar y desplegar soluciones basadas en IA en entornos Cloud, colaborando con equipos multidisciplinares y clientes internacionales. Se valorará experiencia en pipelines y despliegue de modelos. Buscamos perfiles con Máster o Doctorado en áreas afines y domi ...

Senior Piping Engineer – Global Energy, Remote 1 Day/Week

IDOM está buscando un/una ingeniero/a senior de tuberías para el Área de Energy, con posibilidad de trabajar en Minneapolis, Atlanta o en obra en Texas. Se ofrece desarrollo profesional en proyectos nacionales e internacionales y un entorno de trabajo colaborativo. El candidato ideal tiene más de 5 año ...

PCIe Engineer SoC/ASIC for High Performance AI Chips

AUTSORSA busca un Ingeniero PCIe para unirse a un equipo de hardware en Barcelona. Tendrá responsabilidad en el diseño RTL y la integración de PCIe dentro de entornos SoC/ASIC, trabajando junto a equipos de hardware y AI para entregar soluciones de alto rendimiento. Se ofrece posición permanente a tiem ...

Tech Lead Data Engineer | Snowflake, Dbt Y Power Bi

Descripción del trabajo Hay plataformas de datos que solo necesitan mantenimiento. Y hay otras que necesitan una persona capaz de ordenar su evolución, convertir buenas prácticas en una forma común de trabajar y ayudar a un equipo a tomar mejores decisiones técnicas. En NTT DATA buscamos in ...

Senior Full Stack AI Engineer for Aviation Safety (Hybrid)

About Comply365 This is an excellent opportunity to join Comply365, the market leader in operational content management, safety management and training management serving the global aviation, defense and rail industries with a stellar customer base of 550+ customers in 80+ countries worldwide and d ...

VIP 24/7 Desktop Support Engineer EUC & ITIL Expert

Sharp Brains busca un profesional de soporte técnico para gestionar incidencias de escritorio y laptops en Madrid. El candidato será el punto de contacto principal y trabajará con SCCM, Intune y ServiceNow para resolver tickets y mantener inventarios. Se requiere experiencia en Active Directory, seguri ...

Azure Cloud Security Engineer: Own the Security Landing Zone

ADD & CO in Barcelona is seeking an Azure Cloud Security Engineer to join a small, collaborative security team. You will build and maintain the Azure security infrastructure – Entra ID, Conditional Access, Defender for Cloud and the landing zone – and help the business adopt cloud securely. This hands- ...

Staff ML Engineer: Build Customer Facing AI for Fintech

Qonto in Barcelona is hiring a Staff Machine Learning Engineer for our AI Products team. You will build customer-facing ML features powering fintech solutions for 600,000+ business customers, from requirements to production, with a focus on reliability and privacy. You will collaborate with Product, Da ...

Senior Data Engineer: Cloud Pipelines for Data Driven Pricing

Mercedes-Benz Group Services Madrid is seeking a Senior Data Engineer to join the Data Driven Pricing initiative in Aftersales. You will design, build and maintain scalable data pipelines, collaborating with Data Scientists to ensure data quality and support advanced analytics. We value 3–5 years of da ...

ML Engineer: LLM & MLOps Specialist (Remote + 30 Days PTO)

Dow Jones ищет инженера машинного обучения для разработки и управления решениями на базе больших языковых моделей, включая создание семантического слоя, настройку моделей и развёртывание в продуктивной среде. Вы будете вести полный цикл разработки моделей, заниматься мониторингом и обучением, обеспечив ...

Tech Lead Data Engineer | Snowflake, dbt y Power BI

Hay plataformas de datos que solo necesitan mantenimiento. Y hay otras que necesitan una persona capaz de ordenar su evolución, convertir buenas prácticas en una forma común de trabajar y ayudar a un equipo a tomar mejores decisiones técnicas. En NTT DATA buscamos incorporar a una persona co ...

Expert Data Engineer | Data Vault 2.0 & Metadata Driven Automation

¿Y si en lugar de construir un Raw Data Vault cada vez, construyes el motor que permita generarlo y evolucionarlo de forma automática? En NTT DATA buscamos una persona con experiencia sénior en Data Engineering y Data Vault para asumir uno de los retos técnicos fundacionales. ...

Founding AI Engineer ML & LLM for FinTech in Madrid

A FinTech start-up is seeking an AI Engineer to join their new Madrid office, offering a salary up to €130,000. The successful candidate will work on implementing AI and LLM functionality within their proprietary trading systems. Candidates must have a top-tier educational background in Computer Science or Mathe ...

AI Engineer — Biometrics (On site San Francisco or Barcelona)

Job Description Your mission You'll join Didit Labs , our in-house AI lab, and develop state-of-the-art biometric models — including fraud — shipped to production and used by millions. What we're looking for Deep computer-vision expertise focuse ...

Senior Full Stack Engineer (PHP/React) — Remote & Pod Ownership

Launchmetrics is hiring a senior full‑stack engineer to build scalable backend systems with PHP/Laravel and craft responsive frontend components with React. You will design APIs, write tests, and own architectural decisions while leveraging AI-assisted development tools to accelerate delivery. You’ll c ...

Backend Product Engineer End to End Apps (Go, Madrid)

Invopop (YC W23) is seeking a Backend Product Engineer to own integrations end-to-end, from research to launch, based in our Madrid office. Ideal candidates should have strong backend experience, ideally in Golang, and a builder mentality. Your role will involve designing integrations, supporting customers, a ...

Autonomous Systems Engineer — Farm Robotics, On site Testing, Equity

Voltrac in Valencia is seeking a talented engineer to develop cutting-edge autonomy algorithms for electric tractors. You'll take control of the autonomy stack, select algorithms, design testing campaigns, and ensure model deployment. The ideal candidate has strong coding skills, experience in real-wor ...

Senior Backend Engineer (Full Stack Integration) – Sustainable Tech Unicorn

Actual Talent is a talent acquisition consultancy that offers Specialized Search, RPO and Talent Solutions. Our purpose is to drive the growth and fulfillment of individuals and organizations. We facilitate individuals in finding inspiring opportunities and help organizations discover profe ...

Agentic AI Engineer: End to End ML & LLM Solutions

Allianz Services in Barcelona seeks an AI Engineer (m/f/d) to design, build, and productionize agentic AI systems within our Data Analytics Solutions team. Collaborate with an international team to translate goals into measurable business outcomes under clear SLAs and governance. The role covers end-to ...

Senior Front end Engineer – Barcelona (Remote 2 days/wk)

papernest is seeking a Senior Front-end Developer to join the Providers SP team in Spain, focusing on subscriptions, maintenance, and invoicing platforms. You will own features end-to-end, work with squads across Europe, and drive technical initiatives while ensuring quality and scalability. You will c ...

Lead Applied AI Engineer: LangChain & RAG in Production (Remote)

A global consultancy firm is seeking a Senior Lead Applied AI Engineer to design and implement internal AI applications that enhance operational efficiency. You will leverage your strong Python skills and proven experience in applied AI engineering to build and operate scalable solutions. The role offers a uniqu ...

Senior Verification Engineer – Next Gen RISC V CPUs (UVM)

A European tech company in Barcelona is seeking a Senior Verification Engineer to ensure their next generation of silicon meets quality standards. You will develop UVM-based testbenches, define verification plans, and automate workflows. The ideal candidate has 8+ years of experience in digital design verificati ...

Senior AI/ML Engineer: Production ML & MLOps on Azure

A leading AI solutions provider in Barcelona is seeking a Senior AI/ML Engineer. This role involves developing and deploying AI initiatives, focusing on the full lifecycle of machine learning solutions. The ideal candidate will have strong programming skills, expertise in MLOps, and a passion for driving real-wo ...

SDET Engineer: Build Emulators, AI Driven Testing, CI/CD

Kairós busca un SDET apasionado y técnico para unirse al área de I+D. Diseñarás emuladores en Python para simular dispositivos y sustitución de hardware en CI, y liderarás la orquestación de pruebas con Jenkins y Behave. Trabajarás con AWS IoT Core, Kafka y Digital Twins para validar firmware, incorpor ...

Senior HV Power Electronics Engineer for EV DC DC

Lear Corporation in Spain is seeking a senior electronics engineer to design and verify HV/LV DC-DC converters for electrified vehicles. The role involves selecting semiconductors, magnetics, and gate-drive strategies while ensuring safety and EMC compliance. You will develop analog/digital circuits, r ...

Senior .NET Full Stack Engineer Flexible Hours, Global FinTech

Raisin, a leading FinTech platform, is seeking a versatile Senior Full-Stack Engineer with a solid foundation in the .NET and SQL Server ecosystem to lead end-to-end feature delivery. You will collaborate with Product, Tech Lead, and Engineering Lead to design, implement, and optimize APIs and web application ...

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    Fullstack Software Engineer Javaangular Secure Devops Jobs in Spain Job Search Guide, Trends and Insights