157,822+ Ai Driven Fullstack Engineer Java React Jobs in Spain — Top Companies Hiring June 2026

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Remote ML/AI Platform Engineer — MLOps/LLMOps

Capitole busca un/a ML/AI Platform Engineer para 100% teletrabajo. Con 2-4 años de experiencia, serás responsable de la plataforma de AIOps y de operar soluciones de inteligencia artificial. Este rol incluye flexibilidad horaria y un presupuesto de 1.200€ para formación. Ofrecemos un entorno internacio ...

Remote AI Engineer: Python, LLMs, Cloud & DevOps

Join SNI as an AI Engineer to design and develop AI/ML solutions while working remotely from Spain. You will engage with engineering teams to optimize workflows in cloud-based environments, emphasizing the development of Python applications and microservices. The ideal candidate should have at least 2 ...

Remote QA Engineer – AI‑Powered Testing & Automation

Terminalfour is looking for a Quality Assurance Tester to join their Agile product team remotely. You will ensure product quality through exploratory testing, automation development, and collaboration with cross-functional teams. The ideal candidate has 3+ years of QA experience, expertise in automatio ...

AI Innovation Engineer — GenAI, 5G & Cloud Prototyping

Vodafone is seeking a dynamic individual to enhance its corporate research in AI and Machine Learning. This full-time role involves developing innovative AI solutions, collaborating across various departments to transform Vodafone’s service offerings. The ideal candidate will require hands-on expertise ...

GPU Infra Engineer — HPC, Linux & AI Ops

SOTEC CONSULTING is seeking a data-driven technical professional to manage GPU farm capacity using monitoring tools like Grafana and Prometheus. You'll analyze trends, develop forecasting models, and translate technical metrics into clear reports for executive stakeholders while ensuring reliability an ...

Senior Data Engineer – AI Labs (Hybrid Madrid)

Insud Pharma in Madrid is seeking a Senior Data Engineer – AI Labs to build and operate data structures and pipelines for social impact projects. The role demands 5+ years in Data Engineering, with strong knowledge of SQL and Python. Responsibilities include ensuring data quality and availability for d ...

Edge AI Inference Engineer — Low Latency Serving

Tether Operations Limited is looking for an expert AI model team member to drive innovation in model serving and inference architectures. The role emphasizes optimizing deployment and inference strategies for high performance across real-world applications. Ideal candidates will hold a degree in Comput ...

DevOps Engineer (Automation Systems) Freelance AI Trainer

Mindrift is looking for skilled DevOps / Automation Engineers (Infrastructure & Scaling) to join the Tendem project ( and build and maintain scalable infrastructure for automation workflows within our hybrid AI + human environment. In this role, as an AI Pilot - that's how we refer to this ...

Senior ML Engineer — Real Time AI & MLOps

AI Chopping Block, Inc. is looking for a Machine Learning Engineer in Spain to build and maintain scalable ML systems. This role offers the chance to shape AI technologies and work with cutting-edge research in a high-growth startup environment. Candidates must have a strong background in ML, deep learning, and ...

Senior Python Backend Engineer — AI Ready APIs

Una empresa tecnológica en España busca un desarrollador back-end Python con experiencia en FastAPI o Flask para construir plataformas de software alineadas con la estrategia de IA. Se requiere al menos 5 años de experiencia, habilidad en sistemas distribuidos, APIs RESTful y pipelines de CI/CD. Un entorno flexi ...

AI Solutions Engineer — Pre Sales Architect & Demos

A leading AI solutions company in Spain is seeking an experienced Solutions Engineer to drive pre-sales engagements. In this role, you will demonstrate CrewAI's multi-agent platform and collaborate with sales to meet customer needs. The ideal candidate has over 3 years of experience in a technical pre-sales role ...

Remote Senior Industrial Engineer, AI Process Optimization

A leading foundational AI lab is seeking Senior and Principal Industrial Engineers for a flexible part-time role remotely from Spain. Candidates should have over 5 years of experience in top manufacturing firms and expertise in process optimization and lean methodologies. Tasks include refining AI-generated work ...

Senior Generative AI Engineer | Python + AWS + RAG

Qué buscamos Buscamos un perfil senior especializado en IA Generativa y desarrollo backend con Python, con experiencia construyendo soluciones robustas desde el diseño hasta producción. La persona participará en el desarrollo de agentes IA, sistemas RAG y arquitecturas basadas en microservicios ...

Senior AI Platform Engineer — Remote in Spain

A leading tech platform for culture seeks an AI Software Engineer to leverage AI in optimizing workflows and enhancing applications. The ideal candidate will configure applications with Large Language Models while integrating various AI tools. Responsibilities include collaborating with development teams to impl ...

Senior ML Engineer: LLM & AI Platform Innovator

A modern fundraising platform is seeking an experienced ML Engineer to join their team in Spain. In this role, you will develop and deploy machine learning solutions across various business areas, collaborating with product teams. Ideal candidates should have 5+ years of experience in machine learning, a strong ...

Senior AI Research Engineer, Model Inference (Remote)

Senior AI Research Engineer, Model Inference (Remote) Join to apply for the Senior AI Research Engineer, Model Inference (Remote) role at Tether.io Join Tether and Shape the Future of Digital Finance At Tether, we’re not just building products, we’re pioneer ...

Robotics & AI Software Engineer (C++ / Distributed Systems)

Build the software backbone of Robotics and AI Are you passionate about Robotics and Artificial Intelligence? Do you want your code to run in thousands of robots, autonomous vehicles, industrial systems and safety‑critical platforms worldwide? At eP ...

Senior Applied AI Engineer – Developer Productivity & SDLC

Keysight is on the forefront of technology innovation, delivering breakthroughs and trusted insights in electronic design, simulation, prototyping, test, manufacturing, and optimization. Our ~15,000 employees create world-class solutions in communications, 5G, automotive, energy, quantum, aero ...

ML Engineer (Founding Team) AI Drug Discovery

CT19 is partnering with an early-stage venture-backed biotechnology technology company that is building next-generation AI systems to help scientists better understand, model, and engineer complex biological systems. The company is developing a platform that combines experimental data, scien ...

Senior Cloud Conversational AI Engineer (Python/Node.js)

Altostratus | Part of Telefónica Tech busca un profesional para refactorizar la lógica de fulfillment y conectividad usando el framework ADK de Google. Se requiere experiencia en desarrollo Backend en Python o Node.js y en despliegue en Cloud Run. El candidato trabajará en la creación de APIs y Webhook ...

Senior Backend Engineer – AI Labs, APIs & Cloud

Insud Pharma is seeking a Senior Backend Developer who will design, build, and scale robust backend systems to support AI-driven products in various domains. The ideal candidate should be fluent in both Spanish and English and have strong experience in Python, along with expertise in REST APIs and scalable ar ...

Enterprise Value Engineer for AI Automation ROI

A technology firm specializing in enterprise AI is seeking a Value Engineer to build business cases and quantify the impact of their platform on customer operations. You will engage with C-suite executives to clarify the value delivered through automation, leading structured workshops and creating compelling fin ...

AI Engineer Python, LLMs & Cloud (Remote Spain)

SNI is looking for an AI Engineer to design, develop, and support AI/ML solutions remote from Spain. The role will involve developing Python-based applications and APIs while collaborating with DevOps teams. Candidates must have a minimum of 2 years Python experience, along with knowledge of AI/ML conc ...

Senior QA Engineer — AI‑First SaaS (Remote)

A leading AI startup is seeking a Senior QA to build the QA function from the ground up. This role involves establishing practices for an AI-first SaaS platform, ensuring reliability at scale, and championing user empathy throughout the process. With a remote-first culture and a high-performing team, this positi ...

Backend AI Tooling Engineer – .NET & Integrations (Remote)

A leading language services provider is seeking a Full Stack Engineer to join their Core Platform Team in Spain. You will be responsible for designing and building backend services and APIs that enable AI agents to solve real business problems. The ideal candidate should have strong skills in .NET technologies, ...

Remote AI Software Engineer (Contract) Prompt & Benchmark

Call For Referral is seeking a part-time remote software engineer to engage in high-impact AI research. The role involves reviewing and refining AI-generated content, validating algorithms, and providing structured feedback. Ideal candidates have over 2 years of experience in software engineering or te ...

Remote Senior AI/ML Engineer — LLMs & Multimodal

A leading IT outsourcing firm is looking for a Senior AI/ML Engineer to lead initiatives in fine-tuning large-scale AI models and build distributed AI architectures. The role is fully remote with some in-person sessions in Prague. Key qualifications include advanced skills in Python, deep learning, and experienc ...

Remote NestJS Backend Engineer TypeScript & AI ready

Kubide, ubicada en España, está buscando un Backend Developer para unirse a su equipo. La empresa se especializa en desarrollo web y ofrece un ambiente de trabajo altamente colaborativo. Se requiere un perfil con 2-3 años de experiencia en desarrollo backend, así como conocimientos en TypeScript y NestJS. </p ...

Senior AI Search Performance Engineer — Remote Flexible

Cohere is looking for a talented individual to join their Compass team to optimize and scale search applications. Your work will directly enhance document understanding capabilities and significantly improve user experiences with AI-powered search. Ideal candidates will have proficiency in Python, back ...

Senior Generative AI Engineer | Python + AWS + RAG

Qué buscamos Buscamos un perfil senior especializado en IA Generativa y desarrollo backend con Python, con experiencia construyendo soluciones robustas desde el diseño hasta producción. La persona participará en el desarrollo de agentes IA, sistemas RAG y arquitecturas basadas en microservicios ...

AI Engineer (LLMs) – 100% Remoto Desde España

Fundada en 2012 por consultores experimentados The Whiteam nace como consultora tecnológica de calidad con una misión clara; ayudar a las compañías de todo el mundo a optimizar su rentabilidad empresarial a través de un uso eficiente de las tecnologías de la información.<str ...

Junior Backend Engineer – Remote (Fraud Detection AI)

Una empresa de software de IA busca un Backend Developer para trabajar en el desarrollo de su aplicación de detección de fraude en medios de pago. Esta posición es completamente remota y requiere que los candidatos residan en España. Las responsabilidades incluyen el diseño y desarrollo de módulos de la aplicaci ...

Remote AI Engineer (Spain) Python, LLMs & Cloud

SNI is seeking an AI Engineer to design and support AI/ML solutions within cloud environments. The ideal candidate will have a strong background in Python development and AI/ML concepts, along with experience in microservices and DevOps practices. This role allows for remote work from Spain and is init ...

Software Development Engineer

Location: Barcelona/Madrid, Spain or Warsaw, Poland¿Quiere presentar una candidatura? Asegúrese de que su CV está actualizado y luego lea atentamente las siguientes especificaciones del puesto antes de solicitar.Job OverviewWe are looking for a Software Development Engineer to join the Applied ...

Staff Software Engineer, Flights — End To End Impact (Madrid)

Perk is seeking a Software Engineer to take ownership of feature lifecycles, working across teams to improve core platform reliability. The idóneo candidate will have a strong product engineering mindset, effective cross-team leadership, and experience with AI-driven development workflows. xhfqzwm ¿Quiere ...

Backend Developer (m/f/d)

About The Job Are you a passionate Java Developer looking for an exciting opportunity to work with cutting‑edge technologies and make a real impact? Join our team and be part of a dynamic environment where you'll work with Java, Spring Boot, and Agile methodologies to drive innovative solutions. ...

Hands On AI Solutions Engineer (GenAI & ML)

Infoser New Technologies is seeking a Data Scientist / AI Solutions Developer in Spain, Cataluña. The ideal candidate will design and develop AI solutions in a fast-paced environment, working alongside cross-functional teams to deliver solutions that create real business value. The role requires a prac ...

RPA & Automation Engineer — AI Powered IT Automation

Eurofins in Cataluña seeks an Automation & RPA Engineer to transform and automate internal processes across our European IT organization. You will focus on process optimization, automation delivery, and future AI enablement. The ideal candidate will have 2–6 years of experience in automation, be profic ...

Senior Python Engineer AI/LLM Backend (Remote)

B&B Consultores busca un Senior Python Engineer para unirse a su equipo en Cataluña, participando en el desarrollo de soluciones basadas en AI generativa. El candidato ideal tendrá sólida experiencia en el desarrollo backend y trabajará con aplicaciones que integran modelos de lenguaje. Ofrecemos un am ...

NLP Engineer AI Systems & Language Tech (Remote)

Gradiant busca un profesional apasionado por la inteligencia artificial y el procesamiento de datos para unirse a su equipo en Galicia. Las responsabilidades incluyen investigar arquitecturas de modelos de IA y desarrollar soluciones tecnológicas. Se ofrece un salario inicial de 23.000 € SBA más benefi ...

ML Engineer: Cloud & MLOps for AI Solutions

Ntt Data Europe & Latam busca un especialista cualificado en Machine Learning para unirse a su equipo de Inteligencia Artificial. Te encargarás de trabajar en proyectos innovadores utilizando tecnologías avanzadas y resolver retos reales en el negocio. Se requiere más de 2 años de experiencia en IA y M ...

GEO/SEO Growth Engineer for AI Visibility

Shakers is seeking a talented SEO specialist to focus on Generative Engine Optimization (GEO) within a lean AI visibility platform. This role involves running experiments and owning content to improve client visibility and marketing effectiveness. The ideal candidate will work closely with product team ...

Software Engineer AI Assisted Development catalunya (Cataluña)

Software Engineer - AI Assisted Development Project Summary We are looking for a Software Engineer to lead the adoption of AI‑assisted coding practices across the organization. This role combines hands‑on engineering, enablement, and governance—defining how AI is used in software developm ...

Senior AI & Automation Engineer Azure & Microsoft 365

Baker Tilly (Spain) busca un/a AI & Automation Developer Senior para unirse a su equipo en Cataluña. El candidato ideal tiene más de 3 años de experiencia en el desarrollo de soluciones de IA y automatización, con un sólido manejo de Python y Microsoft 365. Se valorarán habilidades en C# y Docker. El p ...

Founding Software Engineer, AI Fintech Infra — Barcelona

Talent-R is seeking a founding engineering leader for their new hub in Barcelona. This role demands a hands-on engineer who can shape the financial infrastructure for AI agents, emphasizing ownership and impactful decisions in architecture and product direction. With 3–7 years of experience, the ideal ...

ML Engineer – Cloud & MLOps for AI Solutions

Ntt Data Europe & Latam busca un profesional especializado en Machine Learning para unirse a su equipo de Inteligencia Artificial. Formarás parte de un grupo especializado que trabaja en proyectos innovadores, utilizando tecnologías de vanguardia para abordar retos de negocio reales. Además, se espera ...

Generative Ai Engineer — Llms & Mlops Specialist Andalucía

Ntt Data Europe & Latam busca profesionales apasionados por la tecnología y la IA para formar parte de su equipo especializado. Se espera que los candidatos tengan más de 2 años de experiencia en IA y conocimiento en plataformas en la nube como AWS, GCP o Azure. El rol implica diseñar e implementar ...

AI Engineer — Backend & Multi Step LLM Pipelines

Fds, A Dxc Technology busca un AI Engineer en Galicia con experiencia en desarrollo backend en Python y en la integración de LLMs. El candidato ideal diseñará y desarrollará sistemas innovadores, asegurando la observabilidad de los pipelines de IA. Se ofrece un ambiente laboral excelente con opciones d ...

Senior Python Backend Engineer — AI Powered Scaleups

Digital Waffle, a fast-scaling AI-enabled property technology business, is hiring a Backend Engineer to build the next generation of products. This remote role, based in Barcelona, emphasizes fast-paced development with Python and FastAPI, with a strong focus on AI tools to modernize the industry. The ...

Senior LLM Engineer & Mentor for AI Research

European Tech Recruit is seeking a Mid/Senior LLM Engineer to join their team in Spain, working from Barcelona, Madrid, Zaragoza, or San Sebastian. In this role, you will guide junior engineers and engage in cutting-edge AI research. Ideal candidates will have a strong background in AI with at least 2+ years ...

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