219,966+ Remote Fullstack Developer Javaangular Ai Integration Jobs in Spain — Top Companies Hiring June 2026

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Java & AI Software Engineer — Remote, Growth & Training

Tamarind Intelligence en España busca un Desarrollador Java para unirse a su equipo talentoso. Se valoran habilidades en Java 21, frameworks de Spring y arquitecturas de microservicios. Ofrecemos un modelo de trabajo en remoto, 22 días de vacaciones y contrato indefinido desde el primer día. El candida ...

Remote Data & AI Product Manager for Enterprise

Remobi is seeking a Data Product Manager to lead data and AI initiatives, operating within a large-scale enterprise data and analytics function. This fully remote role involves managing the lifecycle of data and AI products from definition to execution. The ideal candidate will have strong experience i ...

Agentic AI Full Stack Engineer — Remote (EU)

Digital Waffle is seeking a Full Stack Engineer (Agentic AI) for a remote position based in Spain. You will be a core engineer building end-to-end agentic products, designing architecture and managing infrastructure in a dynamic environment. The ideal candidate has 4-7 years of experience with a full-s ...

Remote AI Engineering Researcher — Validate & Shape Models

GradBay is looking for Engineering PhD Researchers and Industry Experts to contribute to AI development by evaluating advanced models. Ideal candidates include PhD students and professionals from various engineering disciplines. This role is fully remote and allows for flexible working hours, accommoda ...

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 Data & AI Product Manager — AWS & GenAI

Remobi is seeking a Data Product Manager to lead data and AI initiatives within the energy sector. This role involves defining the vision, roadmap, and strategy for data products while managing multiple initiatives and working closely with engineering teams. The ideal candidate has strong experience in ...

Remote AI Engineer: Python, LLMs & Cloud DevOps

SNI is looking for an AI Engineer to design and develop AI/ML solutions from their base in Spain. This position requires a minimum of 2 years of Python development experience and familiarity with AI concepts and cloud platforms. The role includes collaborating with teams, developing scalable applicatio ...

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 ...

Remote Pashto Language Specialist for AI Training

A leading AI training company seeks a Pashto Language Specialist - AI Trainer to enhance AI models with your linguistic expertise. This remote contract position demands proficiency in phonetics, morphology, syntax, and cultural nuances. You’ll be responsible for verifying accuracy in AI responses and documenting ...

Remote Mandarin Voice Artist & AI Training Specialist

A leading voice acting company is seeking a Mandarin Chinese Voice Acting Specialist – AI Trainer. This remote contract role involves recording and evaluating Mandarin speech samples to enhance AI voice models. Candidates should be fluent in Mandarin and have experience in voice acting. A quality recording setup ...

Senior Product Designer — AI SaaS (Remote Europe)

A forward-thinking tech company is seeking a Senior Product Designer to shape UX for their AI-powered platform. This role emphasizes collaboration, innovation, and creating intuitive interfaces. Candidates should have over 4 years of design experience, a strong portfolio, and expertise in tools like Figma. The p ...

Social Media Creative Designer — Remote & AI‑Driven

A mental health care organization is looking for a Creative & Social Media Designer to join their fully remote team. This entry-level role requires designing impactful visuals for social media and paid ads. The ideal candidate should possess strong design skills, a keen eye for trends, and be proficient in tools ...

Creative Lead, Growth & AI Driven Campaigns (Remote)

A leading consultancy firm based in Spain seeks a Mid-Senior Creative Marketing Specialist to manage and optimize their creative processes. This role requires over 4 years of experience in performance marketing and requires proficiency in TikTok and Meta. The ideal candidate will collaborate with a dynamic team ...

Remote AI Coding Trainer — Fluent in Italian

A leading AI training company is seeking a Coding Specialist - AI Trainer fluent in Italian. This remote role involves interacting with advanced AI systems on software engineering tasks and ensuring the accuracy of coding and language. Ideal candidates will have a strong technical background, coding experience, ...

Lead React Engineer – AI Web Apps (Remote)

A global technology solutions provider is seeking a Mid-Senior level engineer to develop secure, scalable enterprise applications. Candidates should have experience in building web-based technology products, a strong understanding of algorithms, and excellent communication skills in English. The role offers a fu ...

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 Senior Growth Marketer AI SMB Growth

A leading AI photo editing company is looking for a Senior Growth Marketing builder to unlock new acquisition channels for its SMB business. The ideal candidate will have over 6 years of experience in a growth role within a tech environment. Responsibilities include driving revenue growth, conducting experiments ...

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 NLP Data Annotator for AI Training

A global consulting firm is seeking a detail-oriented NLP Data Annotator to enhance Natural Language Processing systems. This remote role involves labeling and classifying text and speech data, ensuring high accuracy and consistency while meeting productivity targets. Candidates should have a Bachelor’s degree i ...

Remote Czech Voice Actor for AI Training

A leading AI technology company is seeking a skilled Czech Voice Actor for a freelance project. The role involves recording scripted material, evaluating AI outputs for accuracy, and offering feedback on various aspects of voice performance. A strong background in voice acting with a reliable recording setup is ...

Remote Hindi Voice Acting & AI Training Specialist

A leading AI technology company is seeking a Hindi Voice Acting Specialist to enhance AI training data. This remote contract role requires fluency in Hindi and experience in voice acting. Responsibilities include recording material, evaluating AI outputs, and providing feedback on pronunciation. Candidates must ...

Remote Freelance Generative AI Red Team Specialist

A leading security firm in Spain seeks a Security Red Team Specialist specializing in Generative AI Models. You will conduct assessments and testing to enhance AI security, focusing on identifying vulnerabilities and providing improvement strategies. The ideal candidate has at least five years of experience in w ...

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. You'll lead software design and development, mentor junior engineers, and implement scalable architectures. The ideal candidate has over 8 years of experience in building distributed systems a ...

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 ...

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 ...

Senior Presales Architect – Cloud, AI & Data (Remote)

A leading technology consulting firm in Spain is seeking an experienced technical advisor with over 10 years in enterprise IT. The role involves leading presales engagements for cloud-native applications, designing complex architectures, and collaborating with C-level stakeholders. The ideal candidate has a stro ...

Remote AI Finance Architect & Agentic Automation Leader

Building the Future of CryptoOur Krakenites are a world-class team with crypto conviction, united by our desire to discover and unlock the potential of crypto and blockchain technology. Building the Future of CryptoOur Krakenites are a world-class team with cry ...

Senior Go Engineer – AI, Product Driven, Remote

A travel innovation company is seeking a Senior Software Engineer to design scalable backend systems for their AI automation platform. The role involves collaborating directly with customers, driving product decisions, and ensuring that engineering excellence meets user needs. Candidates should have over 5 years ...

Remote Japanese AI Annotator & Trainer (Part Time)

A global online task provider is looking for an annotator in Spain to review and label Japanese-language content. You will classify data, identify inaccuracies, and contribute to AI project quality. Qualifications include a Bachelor's degree and experience, with requirement of proficiency in Japanese and advance ...

Remote Physics Research Consultant: AI Problem Design

A leading education technology firm in Spain is seeking an expert to create original advanced physics problems and evaluate AI-generated solutions. The ideal candidate should hold a Master’s or PhD in physics or have equivalent experience in competitive physics. Strong LaTeX skills and a deep understanding of ph ...

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 ...

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 ...

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 ...

Remote AI Investigation Specialist (Corp/Legal/Ins)

Ethos is seeking a senior private investigator with over 5 years of experience in corporate, legal, or insurance investigations. This role involves collaborating on AI models by producing and evaluating investigation outputs and developing methodologies for AI-assisted tasks. Excellent written communication and ...

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 ...

AI Innovation Architect: Lidera IA Transformadora (Remote)

Una empresa líder en IA y análisis de datos busca un/a arquitecto/a de innovación en IA para diseñar soluciones disruptivas y liderar proyectos innovadores. Se requiere un mínimo de 7 años de experiencia en el campo y un fuerte conocimiento en IA generativa. Ofrecemos un ambiente internacional y la posibilidad d ...

Remote Spanish AI Trainer (LatAm) – Entry Level

A technology company is looking for a Spanish Language Specialist (Latin America) to engage with AI models. The role involves verifying linguistic accuracies and documenting errors, suited for those with a background in Spanish language or linguistics. Offers a flexible pay range of $6 to $65 per hour. Ideal for ...

AI Product Engineer: Digital Workforce, Hybrid/Remote

Embat is looking for an AI Product Engineer to join our Digital Workforce Team in Spain. You'll identify manual tasks and design AI-powered digital agents, owning the full pipeline from problem to production. Candidates should have 1–3 years of relevant experience, proficiency in Spanish and English, and a backg ...

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 inte ...

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 Technical PM AI Driven Delivery (Remote)

OpenVPN Inc. is looking for a Senior Project Manager to drive project execution in cloud-based environments. The ideal candidate should have a degree in computer science or related fields and at least 3 years of experience in managing SaaS delivery. This role involves leading complex projects, managing ...

AI Driven CMDB Specialist | Remote + Growth Path

Amaris Consulting is seeking a CMDB Specialist to manage and maintain the CMDB, ensuring data accuracy and implementing AI initiatives for optimization. You will work closely with cross-functional teams, providing subject-matter expertise and aligning processes with organizational needs. Enjoy flexible ...

Remote Investment Analyst — AI Finance Modeling (Contract)

Call For Referral is seeking an Investment Banking Expert to connect elite talent with AI research labs. This remote role focuses on evaluating financial models and improving AI training through structured feedback. Ideal candidates will have a minimum of 2 years of experience at top-tier investment fi ...

Catalan AI Content QA | Localization & Annotation Remote

A leading localization company is seeking a freelancer to review content and ensure alignment with guidelines. The role requires native-level proficiency in Catalan and fluency in English, particularly for localization QA and data annotation for AI systems. The applicant should possess strong analytical skills a ...

Freelance Corporate Finance Advisor & AI Trainer (Remote)

RemoteFetch is hiring an experienced Corporate Finance Advisor to join their freelance team. This remote role allows you to leverage your finance expertise in enhancing AI-driven models focused on finance strategies. The ideal candidate is detail-oriented, experienced in corporate finance, and availabl ...

Remote Equity Research Analyst for AI Finance

Call For Referral is seeking an Investment Banking Expert to connect creative talent with leading AI research labs. You will evaluate financial models, review investment banking materials, and provide structured feedback to enhance AI training data quality. This remote contract position requires a comm ...

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 ...

Back End Developer Java | Málaga

Get AI-powered advice on this job and more exclusive features. Direct message the job poster from Us Technology International Private Limited We are looking for the very Top Talent…and we would be delighted if you were to join our team! More in details, UST is a multinat ...

Software Engineer Ai Assisted Development

Software Engineer - AI Assisted Development ¿Le interesa este puesto? Puede encontrar toda la información relevante en la descripción a continuación. Project Summary We are looking for a Software Engineer to lead the adoption of AI-assisted coding practices acros ...

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