197,949+ Remote Fullstack Developer Javaangular Ai Integration Jobs in Spain — Top Companies Hiring June 2026

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Remote CTO & Co Founder, AI for Legal Tech

A leading venture studio is seeking a CTO & Co-Founder for a new venture in the Agentic AI space. This role offers a unique opportunity to lead product and technology strategy from day one, with significant co-founder equity and the support of experienced teams. Ideal candidates have over 5 years of software eng ...

AI Driven Product Manager for Discovery & Growth Remote

A leading energy firm in Madrid is seeking a Product Manager to lead a cross-functional team in developing AI-enabled products. The role emphasizes fostering a culture of experimentation and learning, as well as data-driven product decisions. Candidates should have several years of experience in product manageme ...

Data Engineer Remote, Equity & AI Ready Data Pipelines

A growing tech company in Spain is seeking a Data Engineer to design and maintain data architecture that meets business needs. The role involves building data pipelines and collaborating with Product and Engineering teams to ensure data quality. Candidates should have 3-5 years of experience, strong skills in SQ ...

Remote Affiliate Growth Director Horizons AI Web Builder

A leading tech company in Barcelona is seeking an Affiliate Manager to drive affiliate marketing strategies. You will manage partnerships, implement acquisition strategies, and collaborate with cross-functional teams. The ideal candidate has over 3 years of experience in affiliate marketing and strong negotiatio ...

Senior QA Engineer: AI Driven Quality Leader (Remote)

Technosylva is looking for a Staff QA Engineer in León, Spain, to lead the Quality Engineering team's technical vision. The role focuses on defining automation strategies and integrating AI in testing workflows, alongside analyzing quality metrics and mentoring the QA team. Applicants should have at least 10 yea ...

Remote AI Infrastructure Engineer – GPU ML Ops (EMEA)

Pragmatike is looking for an AI Infrastructure Engineer to join a fast-growing startup in Madrid, fully remote. The role involves building production-grade model serving infrastructure for AI systems, focusing on efficient ML inference platforms. Candidates should have 4+ years of relevant experience, skills in ...

Senior AI Engineer — LLMs, ML Pipelines & MLOps (Remote)

Initiumsoft busca un AI Engineer para diseñar y liderar pipelines de inteligencia artificial. Trabajarás en un entorno 100% remoto desde España, colaborando con un equipo multidisciplinario en proyectos innovadores. El candidato ideal tiene 7 años de experiencia en ingeniería de datos, es experto en Py ...

Staff Software Engineer Lead Web Platform & AI (Remote)

A leading information services company in Barcelona is seeking a Staff Software Engineer to architect and deliver next-gen web and AI platforms. You will lead technical strategies, bridge business and technology, and drive operational excellence, requiring 7+ years of experience in software engineering, includin ...

Staff Software Engineer Lead Web Platform & AI (Remote)

A global news and information firm in Barcelona seeks a Staff Software Engineer to join their Dow Jones Web Platform Team. The role involves leading technical strategies, optimizing software delivery, and fostering collaboration between various teams. Candidates should have over 7 years in software engineering, ...

Data Engineer — AI Driven, Scalable Data Pipelines (Remote)

Joko in Barcelona is seeking an experienced Data Engineer to lead the evolution of their data stack and enhance data-driven decision-making. The role focuses on scaling data infrastructure and building robust data pipelines while ensuring data quality and governance. The ideal candidate will have 5+ ye ...

Spain Spanish Language Expert for AI Training (Remote)

YO IT Consulting is seeking a Spanish Language Expert (remote) to enhance AI models through high-quality Spanish audio contributions. You will record and evaluate audio while collaborating with the customer’s team. The ideal candidate is a native Spanish speaker from Spain with strong communication ski ...

Remote: Senior Geospatial AI Trainer for Crisis Response

Meridial is seeking a Geospatial Reasoning Specialist (Senior) for a freelance AI Trainer project focused on crisis response. The position involves guiding model development and evaluating AI outputs, leveraging your expertise in geospatial analysis. Ideal candidates are expected to have strong skills ...

Senior Backend Engineer (Node.js) — AI‑Driven, Remote‑First

team.blue is seeking a skilled Software Developer to build and maintain core back-end systems for our Hub. This role focuses on developing secure, scalable services and APIs using modern technologies like TypeScript, Python, and Go, with AWS for infrastructure support. We value a high-ownership culture ...

Senior AI Platform Engineer — Remote Freelance, High Impact

Aderen is looking for a Senior AI/Platform Engineer for a freelance full-time position. The role involves engaging with project delivery teams to make architecture recommendations and productizing the Mosaic AI platform. Ideal candidates have deep expertise in Databricks Mosaic AI, experience with agen ...

Korean Fluent Legal AI Expert (Remote • Flexible Hours)

Prolific is seeking fluent Korean speakers for its Expert Network to contribute to the development of AI models. Candidates will complete tasks such as analyzing and writing in Korean and assess AI performance. Compensation is competitive at up to $30/hour. Candidates must have advanced Korean and Engl ...

Spain Spanish Language Expert for AI Training (Remote)

YO IT Consulting is seeking a Spanish Language Expert (Spain) to work remotely, contributing to AI training by recording and evaluating language samples. Your expertise will enhance AI models through precise and high-quality input. The ideal candidate is a native Spanish speaker with strong communicati ...

AI Research Engineer (PhD) Hybrid Remote, Flexible Perks

NeuralTrust, a Barcelona-based startup, is seeking an AI Research Engineer with a PhD to lead their product vision and work closely with enterprise clients. This role involves designing AI components, applying state-of-the-art research, and collaborating with product teams. Candidates should have stron ...

Spanish Language Domain Expert for AI Training (Remote)

About Prolific Prolific is not just another player in the AI space – we are building the biggest pool of quality human data in the world. Over 35,000 AI developers, researchers, and organizations use Prolific to gather data from paid study participants with a wide variety of experiences, ...

Remote Hedge Fund Analyst for AI Driven Finance

About the job Mercor connects elite creative and technical talent with leading AI research labs. Headquartered in San Francisco, our investors include Benchmark , General Catalyst , Peter Thiel , Adam D'Ange ...

Remote Linguist/Translator for AI Training | Flexible Hours

Linguist/Translator - Graduates - AI TrainingAbout ProlificProlific is not just another player in the AI space – we are building the biggest pool of quality human data in the world.Over 35,000 AI developers, researchers, and organizations use Prolific to gather data from paid stud ...

Backend Java Engineer (Spring Boot) – OpenAPI, AI, Remote

Second Window busca un/a Desarrollador/a Java Backend para unirse a su equipo en Madrid. Se ofrece un puesto estable en un entorno tecnológico internacional, centrado en el desarrollo de plataformas backend con Java y Spring Boot. Las responsabilidades incluyen el diseño de APIs y la automatización de ...

Remote Electronics Expert DesignSpark PCB for AI Data

Job Title: Electronics Expert - DesignSpark PCB Job Type: Contractor Location: Remote Job Summary As an Electronics Expert - DesignSpark PCB, you'll apply your expertise to help train next-generation AI systems. Your work will shape how models learn ...

Remote Spanish AI Training Expert | Flexible Hours & Pay

Prolific in Spain is seeking Advanced Spanish Speakers to train and evaluate AI models. Participants will be paid $30/hour for tasks that typically require one hour of focused work. Responsibilities include analysing, editing, and improving AI responses in Spanish. Ideal candidates will have strong Spa ...

Remote Data Scientist & AI Engineer | RAG, LLMs & Cloud

Logicalis Spain busca un Data Scientist / IA Engineer para unirse al equipo de Data, Analytics & IA. El candidato participará en proyectos de ingeniería de datos e inteligencia artificial para clientes nacionales e internacionales. Se requiere experiencia en Python, integración de APIs de IA y plataformas cloud. ...

Remote Hedge Fund Analyst for AI Research (Contract)

Mercor is seeking a Hedge Fund Expert to work remotely with a commitment of 10+ hours per week. This role involves evaluating hedge fund strategies to enhance AI model training and developing financial models. Candidates should have at least 2 years of experience in top hedge funds and skills in financial modeli ...

Data Architect Remote, Azure Big Data & AI Lead

Prodware Group, ubicado en Madrid, busca un/a Data Architect para unirse al equipo de Data&BI. La persona seleccionada diseñará arquitecturas de datos en Azure, liderará equipos técnicos y coordinará procesos de preventa. Se solicita experiencia en consultoría de datos y en arquitecturas Big Data. El puesto ofre ...

Engineering Manager – AI/ML Team Lead (Spain) | Remote

What you will do As Engineering Manager, you are accountable for the outcomes achieved by your team. You manage one or two engineering teams, directly or indirectly via other Engineering Managers. Your performance is significantly based on the business impact of your team, as well as t ...

Remote Arabic AI Domain Expert — Train & Evaluate Models

Prolific is seeking Advanced Arabic Speakers to assist in training and evaluating AI models. You'll complete tasks like analyzing and editing Arabic content, and your expertise will help enhance AI performance. This role offers competitive pay at about $30/hr and flexibility to work from home. Applicants must ha ...

Strategic Named Account Executive – AI CRM (Remote Spain)

Salesforce, Inc. is seeking a Named Account Executive in Barcelona to drive revenue and strategic outcomes for Commercial and Enterprise accounts. This role entails collaboration with cross-functional teams and requires solid experience in technology sales. The ideal candidate will possess strong busin ...

AI Driven Account Executive: Revenue Hunter (Hybrid/Remote)

Insider, Inc. is looking for a Sales professional to join their Revenue Team in Spain. The role involves owning the full sales cycle, from prospecting to closing deals while leveraging AI tools to enhance productivity. You will build and execute a strategic territory plan and source your own pipeline, driving ...

Senior Data Scientist: AI for Air Transport (Remote)

SITA is seeking a Data Scientist for their Central Data Platform Team in Barcelona. This role involves designing and maintaining data models while utilizing machine learning and AI techniques to enhance the air transport industry's data efficiency. The ideal candidate holds a Master’s degree and has 4– ...

Senior Microsoft AI & Security Solutions Sales Lead — Remote

Aliando, compañía global en soluciones Cloud, busca un profesional de ventas con mínimo 5 años de experiencia en tecnología Microsoft. La función incluye definir y ejecutar el plan de ventas para soluciones de Microsoft Security y AI Business Processes, así como la prospección y crecimiento de cuentas. Se req ...

Remote AI Annotator (Part Time) — Shape Future Models

Toloka Annotators is seeking freelance annotators to engage in remote AI-driven projects. As an annotator, you will be responsible for reviewing and labeling data, ensuring accuracy, and maintaining quality in various media formats. This role requires a Bachelor's degree and advanced English proficienc ...

Remote Freelance 3D Environment Artist for AI Training

Prolific is seeking a Game Development / Environment Artist to join its AI training team on a freelance, remote basis. This role allows you to license your existing assets while contributing to AI systems for video generation. Ideal candidates will have experience in creating 3D art, VFX design, and should be ...

Bid & Proposal Lead — AI Driven Presales, Remote/Hybrid

isolutions AG is seeking a Bid Manager to lead the presales strategy, coordinate bids, and support the sales team. This role offers the chance to work in a flexible environment from Barcelona or remotely. Your responsibilities include driving the bidding process, managing timelines, and collaborating o ...

Junior Full Stack Engineer: AI Testing & DX (Remote)

AgileEngine, LLC. is looking for a Junior Full Stack Engineer in Barcelona to build AI-powered automation tools for public safety platforms. You'll work mainly with Java on the backend and collaborate on the frontend using TypeScript and React. Responsibilities include building test automation tools and impro ...

Remote Senior Python Data Scraping Engineer AI Pilot

Mindrift is seeking a highly skilled Senior Python Data Scraping Engineer for a part-time remote role. You will drive specialized data scraping workflows within the Tendem project and collaborate with AI agents to ensure accurate and actionable results. The ideal candidate has a strong background in we ...

Growth Leader for AI Mobile Apps — Remote & Flexible

LABHOUSE, a Barcelona-based startup, is seeking a VP of Growth to lead the growth strategy for its portfolio of AI-powered apps. The role involves mentoring a Performance Marketing team and optimizing growth channels to scale apps profitably. The ideal candidate will have over 8 years in growth marketi ...

Senior AI Native Full Stack Engineer (Remote/Barcelona)

Nerdleveltech is hiring a Full-Stack Developer in Barcelona, crucial for building and scaling AI-driven platforms. You will be part of a modern tech team working on exciting projects. The ideal candidate has strong skills in TypeScript and Python, with experience in API integrations and database manage ...

Senior Software Engineer — Remote, AI‑First SaaS Platform

Process Street, based in Spain, is looking for a Senior Software Engineer to help transform their platform into an AI-native product. This role involves architecting backend systems, designing scalable APIs, and developing frontend features using React. We're seeking someone with over 7 years of software engi ...

Korean Language Expert for AI Training — Remote & Flexible

Prolific is looking for fluent Korean speakers to join our Expert Network and assist in training and evaluating AI models using legal expertise. Successful candidates can earn competitive pay rates and enjoy the flexibility of working from home. Responsibilities include completing AI training tasks in ...

Senior Software Engineer | Remote | AI SaaS Software Role

Senior Software Engineer | Remote | AI SaaS Software Role Remote | UTC-6 to UTC+2 Who we are: Process Street is an AI software and compliance operations platform startup from San Francisco. We help our customers build, document, automate, and track recurring workflows. Our platf ...

Remote SDR for AI/Search Solutions — Growth & Impact

PowerToFly is seeking a Sales Development Representative in Barcelona to engage with prospects and provide tailored Elastic solutions. This role offers the opportunity to work in a collaborative environment, enhancing your sales skills while being part of a supportive community. Ideal candidates will h ...

Remote AI Trainer: Fluent Spanish Conversations (Spain/LatAm)

Prolific is looking for fluent Spanish speakers from Spain, Argentina, Chile, Mexico, and Colombia to engage in live video conversations for an AI training initiative. This role focuses on capturing the nuances of human communication to help train a human-like AI model. Participants will conduct video ...

Remote Swiss Market Customer Care Manager & AI Lead

Tamarind Intelligence is seeking an experienced Customer Care Manager to lead a remote team of approximately 12 agents in Barcelona, Spain. This role involves maintaining high service standards and fostering a culture of performance in customer support. Key responsibilities include managing team perfor ...

Remote Freelance 3D Environment Artist for AI Training

Prolific is seeking a freelance Game Development / Environment Artist for a remote role focused on improving AI for video generation. You will licence existing assets from your archive and perform technical processes such as rendering and layering. The position offers hourly compensation of $15-30 for ...

Staff Design Systems Lead — AI Driven, Remote (EMEA)

Hostaway is seeking a seasoned Design System Owner to lead the development of their design system, driving collaboration between design and engineering teams. With a minimum of 8 years in product design, you will shape the strategy and execution of a system that enhances product quality and user experience. < ...

Generative AI Engineer | Hybrid (Remote 2d/wk) & Growth

CORUS Consulting busca un/a Ingeniero/a de IA Generativa en Madrid para trabajar en proyectos del sector asegurador. Se requiere experiencia de al menos 6 años en ingeniería de software con foco en IA Generativa y habilidades en diseño de soluciones innovadoras. Ofrecemos un entorno de trabajo dinámico ...

Graduate Software Engineer AI Driven Impact, Remote & Flexible

A leading tech company in Spain is seeking a talented developer to join its innovative team. This role involves taking ownership of software projects impacting millions, integrating AI tools into workflows, and simplifying technology architectures. Ideal candidates will be ambitious, team-oriented, and proficien ...

Korean Fluent Legal AI Expert (Remote • Flexible Hours)

Prolific is looking for fluent Korean speakers to join our Expert Network, helping to train and evaluate advanced AI models using their legal expertise. Candidates will undergo a brief skills test; if successful, they can start working from home immediately with competitive pay rates. Responsibilities ...

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    Remote Fullstack Developer Javaangular Ai Integration Jobs in Spain Job Search Guide, Trends and Insights