Top Artificial Intelligence Jobs in Portugal

Own AI cost visibility features end-to-end, from customer problem discovery and system design through implementation, release, monitoring, and iteration. Build scalable Go backend services, APIs, and TypeScript/React interfaces that process and present cloud AI spend data. Apply AI throughout the engineering workflow, contribute to product direction, understand FinOps and AI economics, mentor peers, and uphold reliable engineering practices.

Build and own production-scale LLM pipelines and agent systems for application security. Design RAG, retrieval, context, and memory strategies; evaluate models and agents; assess emerging AI tools and frameworks; and make build-versus-buy recommendations. Ensure reliability through guardrails, validation, fallbacks, and observability. Contribute to architecture discussions and code reviews while developing cloud-native AI features in Go and/or Python.

As a Senior AI Engineer, you will design and maintain AI capabilities, develop infrastructure, create evaluation frameworks, and collaborate across teams to integrate AI into products.

Designs and governs scalable AI architecture across cloud, data, and application environments. Responsibilities include defining architectural standards, advising on AI solution design, overseeing integrations and deployments, monitoring infrastructure performance and costs, coordinating technical stakeholders, supporting specifications and acceptance testing, and mitigating technical risks. The role requires hands-on experience with cloud platforms, AI/ML systems, DevOps, data architecture, containers, CI/CD, infrastructure as code, and monitoring.

Design and lead trusted AI experiences across Intermedia products, including copilots, conversational interfaces, recommendations, automation, and agentic workflows. Own initiatives from research through launch, creating journeys, prototypes, high-fidelity designs, and design-system patterns. Collaborate with Product, Engineering, AI/ML, Research, Security, Privacy, and Legal teams while establishing transparency, user control, accessibility, and responsible AI practices. Mentor designers and help shape the organization’s overall AI interaction language.

Own paid acquisition across Google, Bing, Meta, and YouTube, scaling campaigns from creative production through launch, optimization, and attribution. Produce high-volume ad assets using AI tools, manage full-funnel campaigns, improve campaign processes, automate repetitive work, and analyze CAC, ROAS, payback, and product activation data. The role requires hands-on Google Ads expertise, creative production skills, subscription funnel experience, and strong ownership in a remote startup environment.

Build and operate Typeform’s internal AI Operations capability for R&D. Identify and prioritize AI opportunities, discover workflows, design and deliver AI-native solutions, and manage their lifecycle after launch. Responsibilities include improving enterprise AI tools, coordinating access and governance, evaluating reliability and security, supporting automations and agents, measuring adoption and value, and partnering with Product, Engineering, IT, InfoSec, Finance, and other teams.

Design, build, and scale production AI agents across EveryWatch. Own the agent roadmap, architecture, shared tools, memory, state, observability, evaluation, and cost controls. Harden WatchChat, develop RAG and tool-calling systems, establish measurable quality standards, and ship solutions directly in Python. Collaborate with sales, product, data, and engineering teams to identify high-impact use cases and take agent concepts from discovery through production.

Join Welo Data’s Canadian French contributor network for potential remote AI projects. Depending on project needs, contributors may annotate text, images, or audio; evaluate search results, advertisements, and chatbot responses; create prompts for large language models; and assess cultural and linguistic accuracy. Projects vary from several days to weeks, with compensation and details provided before each assignment.

Join Welo Data’s French AI Trainers Network as a flexible contributor supporting annotation, evaluation, and prompt creation projects. Contributors may label text, images, or audio; assess search results, advertisements, and chatbot responses; create prompts for large language models; and ensure cultural and linguistic accuracy. This is a talent community rather than an active opening, with project details and compensation provided when assignments become available.

Create finished AI-generated video scenes and sequences for short-form scripted mobile dramas. Translate scripts into visual content, combine AI-generated images, video, and audio into coherent stories, and apply storytelling, pacing, composition, and visual structure. Work independently, collaborate with creative leads, deliver complete creative projects, and improve AI production workflows.

As a Senior Manager, Internal Audit - Tech Ops, you will lead audit engagements in pharmaceutical manufacturing, driving improvements and collaborating with senior stakeholders while ensuring high-quality audits and data-driven practices.

Develop and deploy production LLM-driven systems for requirements management and hardware engineering. Build agentic workflows using tool-calling, planning, sub-agents, MCP servers, and orchestration frameworks. Create evaluation pipelines, metrics, benchmarks, and test suites to improve AI accuracy, speed, and cost. Collaborate with software engineers, product managers, and designers in an agile environment throughout the AI product lifecycle, from experimentation through deployment and continuous improvement.

Join Welo Data’s global contributor network for flexible, remote AI data projects. Depending on project needs, contributors may annotate text, images, or audio; evaluate search results, advertisements, and chatbot responses; create prompts for large language models; and review cultural and linguistic accuracy. Native or near-native Javanese fluency, English proficiency, digital tool familiarity, and attention to detail are required. This is a talent community rather than an active job opening.

Join Welo Data’s global contributor network for flexible, remote AI projects. Depending on skills and availability, contributors may annotate text, images, or audio; evaluate search results, advertisements, or chatbot responses; create prompts for large language models; and assess cultural and linguistic accuracy. Native or near-native Somali fluency, English proficiency, digital tool comfort, attention to detail, and curiosity are required. This is a talent community application, not an active job opening.

Contribute to AI data projects through language data annotation, evaluation, and instruction creation. Work remotely with flexible hours to help develop more inclusive and capable AI systems. Applicants must be native or near-native Simplified Chinese speakers living in China, Canada, the United States, or Malaysia, with fluent English, comfort using digital tools, strong attention to detail, and curiosity.

Join Welo Data’s remote contributor network for future AI data projects involving text, image, or audio annotation; search, ad, and chatbot evaluation; prompt creation; and cultural or linguistic accuracy review. Contributors must have native or near-native Twi fluency, English proficiency, digital tool 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 Serbian AI contributor network for flexible, remote 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 scope, timelines, and compensation provided before participation. Applicants need native or near-native Serbian fluency, English proficiency, digital tool comfort, attention to detail, and residence in Serbia, Bosnia and Herzegovina, or North Macedonia.

Join Welo Data’s Arabic contributor network for potential remote AI projects involving text, image, or audio annotation; search, advertising, and chatbot evaluation; prompt creation; and cultural and linguistic quality review. Projects vary in duration and complexity, with scope, timelines, and compensation provided before participation. Candidates need native or near-native Arabic fluency, English proficiency, digital tool familiarity, and strong attention to detail.

Join a remote Albanian-language AI contributor network supporting flexible annotation, evaluation, and prompt-creation projects. Work may include labeling text, images, or audio; assessing search results, advertisements, and chatbot responses; creating prompts for large language models; and ensuring cultural and linguistic accuracy. Projects vary from several days to weeks, with scope, timelines, and compensation provided before participation.

Freelance remote contributors support AI language-data projects through annotation, evaluation, prompt creation, and Korean-to-Chinese machine-transliterated lyric review. Responsibilities include assessing meaning, fluency, naturalness, and accuracy; rating quality against defined criteria; correcting errors; and providing feedback to improve AI systems. Projects are task-based, flexible, and dependent on availability.

Join Welo Data’s Dutch talent network for potential flexible, remote AI-data projects. Contributors may annotate text, images, or audio; evaluate search results, advertisements, or chatbot responses; create prompts for large language models; and review cultural and linguistic accuracy. Projects vary from several days to weeks, with scope, timelines, and compensation provided before participation. Native or near-native Dutch, English proficiency, digital-tool comfort, and attention to detail are required.

Join Welo Data’s remote Maltese AI contributor network. Depending on project needs, contributors annotate text, images, or audio; evaluate search results, advertisements, and chatbot responses; create and test prompts for large language models; and review cultural and linguistic accuracy. Projects may last several days to weeks, with scope, timelines, and compensation provided before participation. This is a talent community rather than an active job opening.

Join Welo Data’s contributor network for potential remote AI projects involving text, image, or audio annotation; search, advertising, and chatbot evaluation; prompt creation; and cultural and linguistic quality checks. Projects vary from several days to weeks, with scope, timelines, and compensation provided before participation. Applicants must be fluent in Malay, based in Malaysia or Indonesia, proficient in English, comfortable with digital tools, detail-oriented, and curious about technology.

Join Welo Data’s Czech contributor network for flexible, remote AI projects. Depending on project needs, contributors may annotate text, images, or audio; evaluate search results, advertisements, and chatbot responses; create prompts for large language models; and review cultural and linguistic accuracy. Native or near-native Czech fluency, English proficiency, residence in the Czech Republic or Slovakia, digital-tool comfort, curiosity, and strong attention to detail are required. This is a talent-network opportunity, not an active job opening.