freelance English-speaking jobs in Leiria District

Research Scholarship at Instituto de Telecomunicações supporting the EURO-3C project. The successful candidate will produce documentation, develop scientific contributions, and coordinate project activities. Expertise in telecommunications software and testing procedures is required.

The Senior AI Product Manager identifies, shapes, and delivers AI-enabled products. This role owns the end-to-end AI product lifecycle, from opportunity identification through deployment and value realization. The Senior AI Product Manager partners with business leaders and technical teams to translate business requirements into actionable product and technical requirements.

Java Developer to design and build scalable microservices. Translate domain models into microservice architectures and integrate with external systems using a domain-driven design approach. Develop cloud-native solutions with CI/CD, containerization, and automated testing.

Senior AI Engineer builds, deploys, and operates AI solutions in production environments. Develops APIs, services, and integrations, optimizes AI solutions for performance and scalability, and collaborates with Product Managers and Architects. Requires 3-6 years of experience in software engineering, cloud engineering, data engineering, or AI/ML engineering.

Rental Sales Agent needed for a high-season contract until October. Handle reservations, process rental agreements, and maximize sales opportunities. Previous sales experience and strong customer service skills required.

This role offers two positions: Accounts Payable and Accounts Receivable. The Accounts Payable position involves invoice confirmation, reconciliations, supplier collaboration, and accrual control. The Accounts Receivable position focuses on maintaining accurate records, matching payments, resolving discrepancies, and managing customer inquiries. Both roles require strong analytical skills, risk assessment, and collaboration with internal and external stakeholders.

Senior Functional Tester to ensure the quality of new and existing features within Miles. Responsibilities include designing and executing test scenarios, analyzing requirements, detecting and documenting defects, and contributing to test automation. Requires several years of experience in functional testing, strong knowledge of test design techniques, and experience with test automation tools.

Support and review AI/GenAI use cases from design through production. Define security requirements for AI platforms, APIs, agents, tool use, and integrations. Perform architecture reviews, threat modeling, and security reviews of AI solutions. Validate integrations and deployments against security, privacy, logging, and auditability requirements. Identify and mitigate risks associated with AI security. Contribute to AI security governance, standards, and secure-by-design patterns.

Experienced Service Operations Manager needed for a leading digital health organization. This role focuses on customer support, service operations, vendor management, and incident resolution in a complex technology environment. The successful candidate will have 10+ years of experience in service operations, customer support, or related leadership roles within SaaS, healthcare technology, or similarly regulated environments.

Customer Support Specialist to handle inbound requests (phone, email, chat) for a leading home appliances brand in Danish. Provide technical troubleshooting, warranty management, and after-sales support. Fluent Danish (C1/C2) and good English communication skills required.

The Customer Support Team Lead manages a team of Customer Support Consultants, driving performance through coaching, operational excellence, and a focus on customer satisfaction and retention. Responsibilities include team training, quality assurance, performance feedback, and managing customer escalations. The role requires 4+ years of experience in customer support, leadership, and data-driven performance management. Fluency in English is required, with Portuguese and Spanish being a plus.

Part-time Gardener needed in Faro, Portugal. Responsibilities include planting, weeding, pruning, watering, and maintaining outdoor spaces. Training provided.

Head of Product & Business will define product vision, strategy, and roadmap for CloudCockpit, a cloud commerce marketplace for Microsoft partners. Manage product backlog, collaborate with engineering teams, and ensure a user-centric approach. Requires 3+ years of product management experience, proven ability to define and drive product strategy, and experience within the Microsoft ecosystem.

Build a multimodal operator control interface for robots, spanning video, voice, and text. Develop the bridge between web stack and live robot, own infrastructure, and iterate on features based on operator feedback.

Designs, implements, and manages cloud infrastructure and deployment pipelines for enterprise applications within the Financial Services sector. Collaborates with development, operations, and security teams to ensure performance, reliability, and security.

This global industrial gases company seeks French speakers for various roles including customer service, finance, and team leadership. Fluency in French and English is required, along with relevant experience and strong communication skills.

EuroAtlantic Airways seeks a Maintenance Engineer to support aircraft maintenance activities, ensuring compliance with regulatory requirements. The role involves providing technical support, assisting with maintenance planning and documentation, and collaborating with stakeholders to ensure efficient and compliant maintenance execution.

Salesforce Mid Developer needed for a project focused on innovative solutions in business investment banking and financial services. Requires Bachelor's degree, 3+ years Salesforce development experience, and proficiency in Apex, Visualforce, Lightning Web Components, integration, data migration, configuration, and Git. Fluent English required.

Lead a team managing day-to-day B2B retail operations across multiple retailer accounts. Drive operational execution, performance management, and process improvement. Coordinate with internal teams and external partners to ensure smooth operations and resolve issues.

Senior Accounting Manager (Invoice-to-Pay) supports the Global Process Owner in managing, steering, and improving the end-to-end I2P process. Responsibilities include overseeing execution by an external service provider, managing ECM workflow performance, ensuring accurate SAP postings, and acting as a central coordination point for suppliers, internal stakeholders, and the external delivery team.