Top Artificial Intelligence Jobs in Barcelona

Join Welo Data’s Catalan AI contributor network for potential remote projects involving text, image, or audio annotation; search, ad, and chatbot evaluation; prompt creation; and cultural and linguistic quality review. Projects vary from several days to weeks, with scope, timelines, and compensation provided before each assignment. Applicants need native or near-native Catalan, English proficiency, digital-tool comfort, attention to detail, and residence in Spain, Andorra, or Italy.

Join a remote Galician AI contributor network supporting flexible projects in data annotation, search and chatbot evaluation, prompt creation, and cultural and linguistic quality review. Projects may involve text, image, or audio labeling and improving large language models. This is a talent community rather than an active opening; project scope, timelines, and compensation are provided when relevant opportunities arise.

Join Welo Data’s Estonian contributor network for potential remote projects involving AI data annotation, search and chatbot evaluation, prompt creation, and linguistic or cultural quality review. Projects vary in duration and compensation, with details provided before participation. Candidates need native or near-native Estonian fluency, English proficiency, Estonia residency, digital-tool comfort, and strong attention to detail.

Join Welo Data’s remote Zulu contributor network in South Africa. Projects may include annotating text, images, or audio; evaluating search results, advertisements, or chatbot responses; creating prompts for large language models; and ensuring cultural and linguistic accuracy. This is a talent-community application rather than an active opening, with project scope, timelines, and compensation provided when suitable work becomes available.

Join Welo Data’s remote Malayalam contributor network for future AI projects. Depending on project needs, contributors may annotate text, images, or audio; evaluate search results, advertisements, and chatbot responses; create prompts; and verify cultural and linguistic accuracy. Applicants need native or near-native Malayalam fluency, English proficiency, digital comfort, and strong attention to detail. Projects vary from several days to weeks, with scope, timelines, and compensation provided before participation.

Join Welo Data’s remote Tagalog contributor network for future AI data projects. Work may include annotating text, images, or audio; evaluating search results, ads, or chatbot responses; creating prompts; and checking cultural and linguistic accuracy. Projects vary from several days to weeks, with scope, timelines, and compensation provided before each assignment.

Join a Portuguese-language AI contributor network for flexible, remote projects involving text, image, and audio annotation; search, advertising, and chatbot evaluation; prompt creation; and cultural or linguistic quality checks. Projects vary from several days to weeks, with compensation and timelines provided before each assignment. Applicants must be native or near-native Portuguese speakers based in Brazil or Portugal, proficient in English, comfortable with digital tools, detail-oriented, and curious about technology.

Join Welo Data’s contributor network for flexible, remote AI projects involving text, image, or audio annotation; search, advertisement, and chatbot evaluation; prompt creation; and cultural or linguistic quality review. Projects vary from several days to weeks, with task details, timelines, and compensation provided before each assignment. Candidates need native or near-native Flemish fluency, English proficiency, Belgian residency, digital tool comfort, and strong attention to detail.

Join Welo Data’s remote Sindhi AI trainer network for potential flexible projects involving text, image, or audio annotation; search-result, advertising, or chatbot evaluation; prompt creation and testing; and cultural and linguistic quality review. Contributors must be native or near-native Sindhi speakers based in India, proficient in English, comfortable with digital tools, detail-oriented, and curious. This is a talent-community opportunity rather than an active opening, with project details and compensation provided when assignments become available.

Join Welo Data’s Telugu AI contributor network for potential remote projects involving data annotation, search and chatbot evaluation, prompt creation, and cultural or linguistic quality review. Projects vary in length and compensation, with details provided before participation. Applicants must be based in India, fluent in Telugu and English, comfortable using digital tools, and detail-oriented.

Join Welo Data’s remote Afrikaans contributor network to support AI training projects through text, image, or audio annotation; search, advertising, and chatbot evaluation; prompt creation; and cultural and linguistic quality review. Projects vary from several days to weeks, with compensation and timelines provided before each assignment. This is a talent-community application rather than an active job opening.

Join Welo Data’s Croatian talent network for potential remote AI projects involving text, image, or audio annotation; search, advertising, and chatbot evaluation; prompt creation; and cultural or linguistic accuracy reviews. Projects vary from several days to weeks, with scope, timelines, and compensation provided before participation. This is a talent community registration rather than an active job opening.

Join Welo Data’s remote Hausa AI contributor network for future projects involving data annotation, search and chatbot evaluation, prompt creation, and linguistic or cultural accuracy review. This is not an active opening; selected contributors will receive project details, timelines, and compensation when suitable work becomes available.

Join a remote contributor network supporting AI training projects through text, image, and audio annotation; search, advertising, and chatbot evaluation; prompt creation; and cultural and linguistic quality review. Projects vary from several days to weeks, with scope, timelines, and compensation provided before each assignment. Native or near-native Kazakh fluency, English proficiency, digital tool comfort, and strong attention to detail are required.

Join Welo Data’s remote Yoruba AI contributor network based in Nigeria. Projects may involve annotating text, images, or audio; evaluating search results, advertisements, or chatbot responses; creating prompts for large language models; and reviewing cultural and linguistic accuracy. Project duration, scope, timelines, and compensation vary. This is a talent community opportunity rather than an active job opening.

Join Welo Data’s Russian-language AI contributor network for flexible, remote projects involving text, image, and audio annotation; search, ad, and chatbot evaluation; prompt creation; and cultural and linguistic quality review. This is not an active opening. Contributors are contacted when suitable projects become available and receive project-specific details about tasks, timelines, and compensation.

Join Welo Data’s Basque contributor network for potential remote AI projects involving data annotation, search and chatbot evaluation, prompt creation, and linguistic or cultural quality review. Projects vary from several days to weeks, with scope, timelines, and compensation provided before participation. This is a talent-network opportunity rather than an active job opening.

Develop scalable backend systems and APIs for AI solutions using Azure services. Build and optimize cloud-based generative AI applications, integrate RAG, speech-to-text, LLMs, and other AI models into production, and potentially implement Intelligent Document Processing solutions. Collaborate with data scientists, AI engineers, and frontend developers while monitoring performance, troubleshooting deployments, and maintaining reliable, secure services. Requires 4–5 years of AI solution development experience and advanced English proficiency.

Lead the design, build, and deployment of AI-powered agents, workflows, and integrations for global marketing. Evaluate buy-vs-build, integrate platforms (HubSpot, Salesforce, Meta, Google, LinkedIn), optimize AI economics, and measure ROI while collaborating with marketing teams to automate and improve campaign execution and content localization.

Designs and delivers production conversational AI systems, including multi-turn agents, LLM reasoning loops, and multi-agent orchestration. Leads end-to-end AI initiatives using Python, Azure, MLflow, and Databricks; benchmarks and maintains models; mentors junior staff; leads cross-functional teams; and partners with customers to develop solutions for complex enterprise domains.

Build and own AI-powered products and services for Scopely’s creative production teams, from prototyping through deployment, monitoring, and continuous improvement. Develop production-ready applications using LLMs, agents, automation frameworks, and cloud technologies. Collaborate with engineers, designers, artists, producers, and creative technologists to improve workflows, reliability, scalability, and operational efficiency across game teams.

Provides technical leadership for AI engineering and SDLC automation across a platform engineering organization. Designs and delivers AI agents, copilots, developer tools, and automated workflows integrated into CI/CD pipelines and engineering platforms. Establishes responsible AI governance, safety guardrails, evaluation methods, and secure integration patterns. Leads cross-functional initiatives, mentors engineers, drives adoption, and measures improvements in productivity, quality, reliability, and developer experience.

Own new and existing automation machine solutions across Europe. Responsibilities include feasibility studies, solution specification, development project management, lifecycle ownership, documentation, manufacturing supervision, installation, integration, maintenance, troubleshooting, and customer support. The role requires field deployment experience, analytical problem-solving, agile execution, strong communication, and up to 80% travel in Northern Europe.

Drive enterprise sales of Microsoft Modern Work, AI, Copilot, and cloud solutions. Identify customer needs, develop business-value propositions, build stakeholder relationships, manage end-to-end sales cycles, collaborate with technical teams and partners, and exceed solution sales targets through forecasting, account planning, cross-selling, and up-selling.

Own CRM and omnichannel growth across the customer lifecycle. Manage Klaviyo flows, Salesforce lead scoring, loyalty programs, AI-driven segmentation and predictive reactivation. Oversee phone-channel tracking and missed-call recovery while turning customer data into personalization, reporting and revenue. Drive measurable improvements in conversion, repeat purchases, average order value, customer lifetime value and response times.