freelance English-speaking jobs in Maia

Marketing Assistant Trainees support marketing campaigns, content creation, and market research. Assist with event coordination, product launches, and brand activations. Contribute to email marketing campaigns and analyze digital marketing performance.

Manage end-to-end customer interactions (phone, email, chat) related to online orders. Handle delivery tracking, returns, refunds, payment queries, and shipping investigations. Collaborate with couriers, financial institutions, and internal teams.

QA Engineer will design, document, and execute test cases for web applications, APIs, and backend systems. Responsibilities include building and maintaining test automation, integrating tests into CI/CD pipelines, and collaborating with developers on defect analysis.

Provide attentive and personalized food and beverage service to guests. Guide guests through the menu, offer recommendations, and answer questions about food, wine, and cocktails. Maintain cleanliness and organization of service areas. Deliver a seamless dining experience that reflects Four Seasons standards.

Develops and maintains web, desktop, and mobile e-commerce applications using .NET framework, C#, and associated technologies. Builds backend services and implements mission-critical business logic.

Provide high-quality customer support in English via phone, email, or chat. Build positive customer relationships by understanding their needs and offering solutions. Work on a rotating on-site schedule.

Maverick Currencies is seeking a remote Forex and Crypto trader based in Lisbon, Portugal. Traders will utilize firm-provided capital, following rule-based trading systems and strict risk management. Successful candidates are disciplined, consistent, and comfortable with profit-share compensation.

Lead iOS Engineer to design, build, and maintain high-quality iOS platform capabilities. Integrate third-party SDKs, platform services, and cloud-connected functionality. Own iOS work end-to-end, from design and implementation to release readiness. Provide technical guidance through code reviews and architecture discussions. Apply AI-assisted engineering practices to improve delivery speed and code quality.

Provides support to employees on HR-related topics, processes employee lifecycle changes, and maintains accurate employee records. Collaborates with other HR teams and ensures adherence to HR policies and regulations.

Audio Technician responsible for operating audio systems and supporting production shows on an American cruiseline. Requires experience with complex audio design, digital and analog consoles, and theatrical equipment.

The Maintenance Administrative will manage spare parts, equipment, and tool databases, ensuring accurate records and timely availability. The role supports maintenance activities, monitors material needs, and coordinates with suppliers. The individual will also track purchase requests, organize maintenance materials, and provide operational support to shopfloor teams.

Eurotux seeks a Windows Systems Administrator to install, configure, and administer systems, monitor infrastructure, and provide support. Requires experience in virtualization, backups, Windows, networks, and hardware, as well as knowledge of various services. Must have good communication skills, be available for 24/7 services, and possess strong analytical and problem-solving abilities.

Lead the strategic proof of concept and delivery streams of AV & EDR coverage and compliance in unique environments. Collaborate with stakeholders across Cyber Strategy, Cyber Defence, Threat Intelligence, Vulnerability Management, and Risk Management.

Network & Security Engineer to support Product Owner in constructing a backlog and work with Agile Delivery Lead on timely delivery. Will be responsible for consuming technical requirements, collaborating with engineers and testers, and documenting work. Requires Azure and GCP networking expertise, experience with Azure vWAN Hub and Palo Alto Cloud NGFW, and knowledge of security features.

Manage end-to-end Accounts Receivable (AR) processes, ensuring accuracy and compliance with IFRS and internal controls. Process customer payments, issue debit/credit notes, and resolve discrepancies. Conduct collections activities, follow up on overdue payments, and prepare AR reports.

The Strategic Project Manager reports to the CEO and leads the planning, execution, and delivery of strategic initiatives. This role involves cross-departmental collaboration, data-driven insights, and project management.

Content creator to lead YouTube growth and produce engaging social media content for Facebook, Telegram, and LinkedIn. Responsibilities include community management, social media strategy, video production, and creative content design.

Sales Assistant needed for a surf shop. Must have surf experience, excellent customer service skills, and at least 2 years of experience. Responsibilities include assisting customers, processing payments, stocking shelves, and maintaining a clean store.

Senior AI Engineer will develop spatial perception models, segmentation systems, and 3D representations for robots. Responsibilities include building 3D perception models, adapting segmentation models for real-world conditions, and connecting spatial understanding to manipulation planning and navigation. Requires 5+ years of experience in ML/AI or computer vision with depth in spatial models, segmentation, or 3D deep learning. Strong 3D geometry foundations and experience with SAM-family models are essential.

Provide expert advice to German-speaking users via phone, email, and live chat regarding platform features and account settings. Identify, troubleshoot, and resolve technical issues. Maintain premium service standards by adhering to brand guidelines and quality metrics. Track digital trends and software anomalies to drive product optimization.