275,285+ Remote Fullstack Ai Engineer Python React Jobs in Spain — Top Companies Hiring July 2026

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Senior Platform Engineer — Remote Azure Ai Infra

Una empresa de consultoría tecnológica busca un Ingeniero de Plataforma Senior para diseñar y gestionar la infraestructura en la nube de una plataforma de IA empresarial.Obtenga más información sobre este puesto leyendo los detalles a continuación y luego envíe su solicitud para ser considerado.Se re ...

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.Consulte la descripción del puesto a continuación. Si confía en que tiene las habilidades y la experiencia adecuadas, envíe su solicitud hoy m ...

Oracle Cloud Engineer Logistics & Data Ai, Remote

KAIROS DIGITAL SOLUTIONS en Madrid busca un Software Engineer apasionado para unirse a su equipo de Data&IA.Asegúrese de enviar su solicitud rápidamente para maximizar sus posibilidades de ser considerado para una entrevista. Lea la descripción completa del puesto a continuación.Serás responsable ...

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.Envíe su CV y cualquier información adicional requerida después de haber leído esta descripción, haciendo clic en el botón de solicitud.Esta posición es co ...

Remote Appsec Engineer — Ai Driven Saas Security

A global leader in enterprise orchestration is seeking a highly accomplished Security Engineer¿Todo listo para enviar su solicitud? Asegúrese de comprender todas las responsabilidades y tareas asociadas a este puesto antes de continuar.- AppSec to work remotely, ideally from Spain.The role focu ...

Remote Ai Incubation Engineer Llms & New Markets

GitLab Inc.¿Tiene las cualificaciones y habilidades adecuadas para este trabajo? Descúbralo a continuación y pulse en solicitar para ser considerado.is looking for an Incubation Engineer to develop and improve machine learning features for our users.You will join a team of 5 responsible fo ...

Senior Qa Engineer Remote, Ai & Automation Focus

Framework Ventures is seeking a Senior QA Engineer to join their innovative team. This fully remote position allows you to take ownership of projects and contribute to cutting-edge fintech solutions. You will work collaboratively to ensure the overall quality of new features and help enhance test automation fram ...

Staff Software Engineer – Ai Systems (Remote, Spain)

A leading communication technology provider is seeking a Staff Software Engineer to design AI-powered features in Spain.¿Tiene su CV preparado? Si es así y confía en que este es el puesto ideal para usted, asegúrese de enviar su solicitud lo antes posible.You'll lead software design and development, ...

Remote Ai Infrastructure Engineer – Gpu Ml Ops

Pragmatike is looking for an AI Infrastructure Engineer to join a fast-growing startup in Madrid, fully remote.Aumente sus posibilidades de conseguir una entrevista leyendo la siguiente descripción general de este puesto antes de presentar su candidatura.The role involves building production-grade mo ...

Remote Lead Ai Engineer Genai & Llm Systems

A leading AI solutions provider is seeking a seasoned Lead AI Engineer to design and deploy advanced AI systems.¿Todo listo para enviar su solicitud? Asegúrese de comprender todas las responsabilidades y tareas asociadas a este puesto antes de continuar.This fully remote role involves leading technic ...

Ai Research Engineer Reincement Learning 100% Remote

About the jobRevise detenidamente toda la documentación de la solicitud antes de hacer clic en el botón de solicitar al final de esta descripción.As a member of the AI model team, you will drive innovation in reinforcement learning approaches for advanced models. Your work will optimize decision‑maki ...

Remote Qa Engineer — Ai‑driven Testing & Growth

A leading SaaS platform provider in Spain is seeking a skilled QA Engineer to enhance software quality across their products.Para una comprensión completa de esta oportunidad y de lo que se requerirá para ser un candidato exitoso, siga leyendo.You will define and execute test plans, perform manual an ...

Remote Ai Research Engineer: Kernel & Inference Optimization

Tether Operations Limited is seeking an AI Research Engineer (Kernel & Inference Optimization) for a fully remote role. In Barcelona, Spain, you will focus on optimizing advanced AI models for efficient deployment and performance across various applications.Puede obtener más detalles sobre la naturaleza de ...

Ai/Ml Engineer — Remote, Global Impact & Growth

Abi is seeking experienced Data Science / Machine Learning professionals to enhance its AI Lab in Barcelona.A continuación, encontrará un desglose completo de todo lo que se requiere de los posibles candidatos, así como la forma de presentar su candidatura. ¡Mucha suerte!The role involves developi ...

Staff Software Engineer – Ai Systems (Remote, Spain)

A leading communication technology provider is seeking a Staff Software Engineer to design AI-powered features in Spain.¿Tiene su CV preparado? Si es así y confía en que este es el puesto ideal para usted, asegúrese de enviar su solicitud lo antes posible.You'll lead software design and development, ...

Senior Platform Engineer — Remote Azure Ai Infra

Una empresa de consultoría tecnológica busca un Ingeniero de Plataforma Senior para diseñar y gestionar la infraestructura en la nube de una plataforma de IA empresarial.Obtenga más información sobre este puesto leyendo los detalles a continuación y luego envíe su solicitud para ser considerado.Se re ...

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.No deje pasar esta oportunidad, inscríbase rápidamente si su experiencia y habilidades coinciden con lo que se indica en la siguiente descripción.This role involves establishing practices for an AI-first SaaS plat ...

Ai Research Engineer Reincement Learning 100% Remote

About the jobRevise detenidamente toda la documentación de la solicitud antes de hacer clic en el botón de solicitar al final de esta descripción.As a member of the AI model team, you will drive innovation in reinforcement learning approaches for advanced models. Your work will optimize decision‑maki ...

Senior Qa Engineer Remote, Ai & Automation Focus

Framework Ventures is seeking a Senior QA Engineer to join their innovative team. This fully remote position allows you to take ownership of projects and contribute to cutting-edge fintech solutions. You will work collaboratively to ensure the overall quality of new features and help enhance test automation fram ...

Staff Software Engineer — Healthcare Ai (Remote, Eu)

Join Cross Border Talents as a Staff Software Engineer, working remotely to design and scale core systems for innovative healthcare AI products. You'll lead architecture decisions, mentor engineers, and develop secure data infrastructures.Inscríbase ahora, lea los detalles del trabajo desplazándose hacia a ...

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.¿Es usted el solicitante adecuado para esta oportunidad? De ...

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.Aunque la experiencia profesional y las cualificaciones son clave para este puesto, ...

Staff Software Engineer Healthcare Ai (Remote Eu)

C&D Talent Advisory - Academy is seeking a Staff Software Engineer who will play a crucial role in designing and scaling systems for next-generation healthcare AI products. You’ll work on AI-driven patient communication and improve system reliability, while collaborating with a high-performing engineering team.< ...

Principal Software Engineer Ai Healthcare Platforms (Remote)

C&D Talent Advisory is looking for a Principal Software Engineer to architect and build next-generation healthcare AI systems. You will design and optimize AI-powered platforms, working on complex software solutions that improve patient communication and clinical efficiency.Puede obtener más detalles sobre ...

Senior Platform Engineer — Remote Azure Ai Infra

Una empresa de consultoría tecnológica busca un Ingeniero de Plataforma Senior para diseñar y gestionar la infraestructura en la nube de una plataforma de IA empresarial.Obtenga más información sobre este puesto leyendo los detalles a continuación y luego envíe su solicitud para ser considerado.Se re ...

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.Envíe su CV y cualquier información adicional requerida después de haber leído esta descripción, haciendo clic en el botón de solicitud.Esta posición es co ...

Ai Research Engineer Reincement Learning 100% Remote

About the jobRevise detenidamente toda la documentación de la solicitud antes de hacer clic en el botón de solicitar al final de esta descripción.As a member of the AI model team, you will drive innovation in reinforcement learning approaches for advanced models. Your work will optimize decision‑maki ...

Remote Ai Research Engineer: Kernel & Inference Optimization

Tether Operations Limited is seeking an AI Research Engineer (Kernel & Inference Optimization) for a fully remote role. In Barcelona, Spain, you will focus on optimizing advanced AI models for efficient deployment and performance across various applications.Puede obtener más detalles sobre la naturaleza de ...

Salesforce Solutions Engineer For Ai Automation (Remote)

Kuik! Software, IT & IA busca un/a Salesforce Solutions Engineer en Rentería, España.Se anima a todos los posibles solicitantes a que se desplacen y lean la descripción completa del puesto antes de presentar su candidatura.El candidato ideal tiene experiencia real con Salesforce, construyendo solucio ...

Principal Healthcare Ai Engineer — Remote Eu + Equity

C&D Talent Advisory - Academy is seeking a Principal Software Engineer to build core systems for advanced healthcare AI. This hands-on role requires expertise in backend development, especially in Python, with a focus on designing scalable systems. You'll work on AI-driven patient communication and other innovat ...

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.No deje pasar esta oportunidad, inscríbase rápidamente si su experiencia y habilidades coinciden con lo que se indica en la siguiente descripción.This role involves establishing practices for an AI-first SaaS plat ...

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.Envíe su CV y cualquier información adicional requerida después de haber leído esta descripción, haciendo clic en el botón de solicitud.Esta posición es co ...

Senior Ai Research Engineer Model Inference Remote

About the JobAumente sus posibilidades de conseguir una entrevista leyendo la siguiente descripción general de este puesto antes de presentar su candidatura.We are looking for an experienced AI Model Engineer with deep expertise in kernel development, model optimization, fine‑tuning, and GPU accelera ...

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 technical re ...

Senior Software Engineer — Ai Native, Remote, Equity

Process Street is looking for a Senior Software Engineer in Barcelona to help architect an AI-native product. In this role, you will design backend systems, develop scalable APIs, and lead a team, all while collaborating in a flexible, remote culture. The ideal candidate has extensive experience in software engi ...

Voice Ai Engineer — Real Time, Scalable, Remote

Tucuvi is the global leader in clinical Conversational AI in healthcare .Our mission is to enable efficient and effective care for all, starting with AI-led phone consultations that augment care teams' capacity. Our safe and medical-grade AI autonomously conducts low-risk clinical calls, inbound and outbound, st ...

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 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 Saa S platform, ensuring reliability at scale, and championing user empathy throughout the process. With a remote-first culture and a high-performing team, this posit ...

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, backend search ...

Senior Full Stack Engineer — Ai‑driven, Remote

Join Jimdo as a Senior Full-Stack Engineer, where you’ll design and build scalable APIs and services while collaborating closely with cross-functional teams. With over 6 years of software engineering experience, you will work in a remote-first environment to help empower solopreneurs and small businesses interna ...

Senior Devops & Ai Infra Engineer Remote Europe

A leading technology company is looking for a Dev Ops/Infrastructure Engineer to take full ownership of their cloud infrastructure and deployments. This role requires 8+ years of experience and an ability to thrive in a fast-paced startup environment. You will manage Kubernetes clusters, optimize AI/LLM systems, ...

Senior Ai Driven App Security Engineer (Remote)

Agile Engine is looking for a Senior Application Security Engineer in Barcelona to architect and build automated security layers within the SDLC. The role involves integrating AI-enabled secure code scanning and CI/CD security tooling for a large-scale financial services program. Candidates should have 6+ years ...

Remote Ai Research Engineer Model Compression & Inference

Tether is seeking an AI model team member to innovate in model serving and inference architectures. You will optimize deployment strategies for efficient AI performance across diverse environments and work on cutting-edge solutions. Ideal candidates have a degree in Computer Science, preferably a Ph D, with expe ...

Senior Ai Engineer — Production Coding Agents (Remote)

Jet Brains is seeking a Staff/Senior AI Engineer to enhance their AI for Code team. In this role, you will create production-ready coding agents, improve internal coding models, and collaborate with cross-functional teams. Strong software engineering skills and experience with LLM-powered products are essential. ...

Ai Research Engineer Reincement Learning 100% Remote

About the job As a member of the AI model team, you will drive innovation in reinforcement learning approaches for advanced models. Your work will optimize decision‑making and adaptive behavior to deliver enhanced intelligence, improved performance, and domain‑specific capabilities for real‑world challenges. You ...

Remote Devops Engineer For Ai Model Evaluation

Mercor, a leader in AI talent connection, is recruiting a Dev Ops / SRE / Cloud Engineer for remote work. Candidates should have at least 2 years of relevant experience and familiarity with cloud technologies such as AWS, Azure, and Kubernetes. The role involves utilizing AI coding agents for infrastructure task ...

Senior Ai Engineer, Cybersecurity Saas Remote Spain

Zepo is seeking a Senior AI Engineer in Madrid to drive the development of AI systems in their innovative cybersecurity Saa S platform. This position involves collaboration with various teams to create scalable AI solutions. Ideal candidates will have a deep understanding of cybersecurity and AI technologies, an ...

Remote Full Stack Engineer — Agentic Ai Platform

Digital Waffle is seeking a Full Stack Engineer (Agentic AI) to join their team remotely from within the EU. The role involves building agentic products end-to-end, participating in real business integration processes, and working collaboratively in a high-performance environment.Aumente sus posibilidades ...

Ai Engineer Backend (Remote Es/Uk Only)

About Us Inscríbase (haciendo clic en el botón correspondiente) después de revisar toda la información relacionada con el trabajo a continuación. Quadrivia is the health technology company behind Q, a comprehensive, controllable, and customizable assistant AI built by clinicians, ...

Software Engineer Ai Assisted Development | 100% Remote

At ASTEK Iberia , we are looking for a highly skilled Software Engineer specialized in AI-assisted development to lead the adoption of modern AI coding practices across our engineering teams Los candidatos deben tomarse el tiempo de leer atentamente todos los elementos de este a ...

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