assistant English-speaking jobs in Barreiro

Provide technical and service support to customers in Dutch and English via phone, email, and chat. Troubleshoot issues and deliver a high-quality customer experience.

Provides support for Mobile Training Team by planning and coordinating training iterations. Ensures business continuity for the TOPFAS Section. Liaises with instructors, customers, and technical teams to ensure smooth course execution. Conducts surveys to ensure training aligns with quality standards. Prepares training environments and coordinates logistics.

Develops transformative AI use cases, drives end-to-end product development, and scouts external technologies. Leads product initiatives in collaboration with business units, corporate functions, and external partners. Prepares commercial business impact estimates and acts as a key service contact for Linde departments on AI use-case topics.

Drive innovation in multi-modal reinforcement learning to advance intelligent systems. Develop and scale reinforcement learning techniques within complex multi-modal architectures. Conduct research on reinforcement learning algorithms for multimodal models, including diffusion-based approaches for image and autoregressive models for multimodal understanding. Design and build reinforcement learning infrastructure that supports scalable, distributed training across multimodal systems. Develop and refine reward modeling strategies that improve training stability and mitigate reward hacking. Create and curate multimodal simulation environments and datasets to support robust training, evaluation, and benchmarking of reinforcement learning systems. Publish research findings in top-tier conferences.

Drive and shape global procurement strategies for material field purchasing within the automotive sector. Manage supplier lifecycle activities, optimize supplier networks, and lead sourcing processes.

Manages the full sales and purchase cycle, coordinating with suppliers and customers. Prepares and issues documentation including invoices, certificates, and transport documents. Coordinates warehousing and transport operations, and communicates with customs agents. Requires strong communication and organizational skills, previous experience in import/export logistics, and fluency in English.

Senior Lead Cost Manager to join the Data Centre team in Lisbon. Responsibilities include cost management liaison, pre and post-contract duties, feasibility studies, tendering, cost planning, and reporting. Requires a degree in Quantity Surveying, Engineering, Construction Management, or related field, plus 7+ years of experience leading cost management on medium to large Data Centre projects. Solid exposure to MEP and CSA packages is required. Proficiency in Portuguese and English is essential.

AI Implementation Specialist will design, build, and deploy AI-powered systems for a B2B client. Responsibilities include architecting lead generation systems, implementing CRM automations, and translating business problems into scalable AI solutions. Requires 3+ years of AI implementation experience with tools like OpenAI, Make, Zapier, n8n, and CRM platforms.

Financial Controller for a renowned bank, responsible for performing quarterly closing controls and ad hoc assignments across EMEA branches and entities.

Customer Service Representative will handle inbound customer requests, provide pre-sales, general inquiries, and technical support via multiple channels. Must be fluent in German (written and oral) and English (B2).

QA Functional Tester and Senior QA Tester needed for Energy sector project. Experience with API and SQL testing, requirements analysis, and test execution required. Fluent Portuguese and English.

Senior Consumer KYC Analyst will manage complex KYC workflows and drive risk mitigation strategy. Responsibilities include conducting EDD investigations, performing peer reviews, and assisting in updating KYC guidelines.

Provides strategic and analytical support for portfolio optimization and product launches. Analyzes product performance, identifies gaps and opportunities, and supports cross-functional launch readiness plans. Collaborates with internal stakeholders to ensure alignment on launch strategies. Conducts competitive benchmarking and supports product forecasts.

Clinical Development Manager will drive the Medical Affairs Clinical Development (MACD) Program globally, identifying training needs, developing courses, and building relationships with partners. Requires an advanced degree in Clinical Medical Physics, 3-5+ years clinical radiotherapy experience, and strong Eclipse, clinical delivery, and education backgrounds.

Product Owner will translate business goals into actionable requirements, guide development teams through sprints, and maintain communication between stakeholders and engineers.

Mid-Level Product Designer to join the Product Design team on a full-time, fixed-term contract. Work with Product, Engineering and stakeholders to shape user-centered solutions. Create user flows, wireframes, prototypes and UI designs. Support active product initiatives from discovery through to delivery.

DevOps Engineer to manage, evolve, and optimize cloud and SaaS environments, including Azure, GCP, CloudAMQP, MongoDB Atlas, Kubernetes, and on-premises services. Design, implement, and maintain CI/CD pipelines and GitOps practices. Administer and enhance the GitLab platform. Ensure system high availability, scalability, and performance. Collaborate with development teams to improve deployment, testing, and observability. Implement and maintain security best practices. Monitor systems, applications, and pipelines. Document architectures, processes, and operational procedures. Support the definition and evolution of the platform's technical architecture.

Software Test Engineer will ensure functional verification of changes, including regression testing, for the 360T platform. Responsibilities include developing test suites, test cases, and contributing to quality assurance initiatives. Requires 5+ years of QA experience, proficiency in test management tools, and knowledge of APIs, version control, and CI/CD tools.

Support the commissioning and qualification of equipment, utilities, and systems. Conduct impact and risk assessments, draft user requirements specifications, and contribute to design reviews.

HR Data & Operations Specialist supporting employees and managers across countries. Provides HR support, manages HR systems, and assists with onboarding, mobility, and day-to-day processes. Fluency in French is required.