freelance English-speaking jobs in Viana do Castelo District

Digital Marketing / SEO / e-Commerce Specialist to accelerate online growth. Manage SEO initiatives, oversee e-Commerce platform performance globally, and collaborate cross-functionally to drive measurable results.

Senior Data Scientist to own end-to-end projects for a financial company. Responsibilities include data exploration, modeling, and deployment. Requires strong Python skills, experience with PySpark and big data, and knowledge of machine learning algorithms.

The Endpoint Security Specialist will design, implement, and manage endpoint security systems across a diverse IT environment. This role monitors security alerts, develops security policies, conducts vulnerability scans, and provides technical support to end-users.

Chef de Partie to manage a kitchen section, ensuring quality, consistency, and presentation of dishes. Previous experience is an advantage. Must be a team player with strong communication and organizational skills.

As a Team Manager, you will lead, train, and coach a team to achieve sales goals and deliver exceptional client experiences. You will be responsible for performance management, talent acquisition, and fostering a positive work environment. You will also contribute to client development through CRM and clienteling initiatives.

This is a permanent, salaried insurance sales position offering full training. The role involves providing tailored insurance solutions to new and existing clients. Excellent English communication skills are required.

Field Technician to repair and maintain Bayer injection equipment. Responsibilities include preventive maintenance, troubleshooting, user training, and reporting. Requires proven experience as a Field Technician and strong technical knowledge of medical device equipment.

Curricular internship opportunity in Reception at a new 4* hotel in Porto. Support check-in/check-out, welcome guests, assist with reservations and phone service. Must be a Tourism/Hospitality student eligible for internships.

Fullstack Developer to build and evolve frontend dashboards and backend APIs/services for real-time contact center metrics. Requires 2+ years of experience with JavaScript/TypeScript, NodeJS, Angular/AngularJS, React, .NET, C#, ASP.NET/ASP.NET Core.

Intern to support the Inside Sales team, assisting French-speaking customers and partners. Responsibilities include creating offers, managing leads, and providing customer support. Must be enrolled in a business-related program and fluent in English and French.

Novel-T seeks a PHP Developer to join its Lisbon office. The role involves developing and updating modules for a web application, ensuring a smooth user experience. The successful applicant will have 5+ years of experience as a software engineer, specializing in Angular, React JS, Drupal, Docker, and Git. Fluency in Portuguese and English is required.

Talent Acquisition Partner needed to support senior hiring managers in the end-to-end recruitment process for global roles. Collaborate with the recruitment team on internal and external recruitment matters. Analyze recruitment data and support the development of recruitment strategy. Requires a bachelor's degree, 5+ years of recruitment experience, and fluency in English.

CloudOps Engineer will operate and improve Docker- and Kubernetes-based platforms on AWS. Responsibilities include automating operations, managing infrastructure, building CI/CD pipelines, and enabling development teams. Requires experience with AWS, Docker, Kubernetes, Terraform, and automation tools.

Designs, coordinates, and optimizes donor engagement and retention journeys across the donor lifecycle. Responsible for increasing donor engagement, reducing attrition, and strengthening donor loyalty through strategic communication, journey management, and data-driven optimization. Collaborates with CRM, Data, Content, and Marketing teams to deliver impactful engagement initiatives. Analyzes donor engagement metrics and retention data to evaluate and optimize strategies.

Design, prototype, and optimize multi-armed bandit models with contextual inputs and uncertainty quantification. Implement, scale, and productionize reinforcement learning pipelines for real-time pricing, recommendation, or allocation systems.

Mid-Level AI Engineer to build and maintain scalable AI-powered solutions. Develop APIs, data pipelines, and optimize AI inference performance. Collaborate with teams to integrate AI solutions and ensure code quality.

Develop, maintain, and improve AI/ML powered products for personalized clinical care. Contribute to end-to-end AI treatment management systems and build AI Care Specialists.

This internship provides practical experience in VAT Compliance, supporting documentation handling, data validation, and process tracking across jurisdictions.

The Vice President Iberia will own and deliver sales and profit targets across Spain and Portugal, with full P&L accountability. This role will build, restructure, and scale the local commercial organization and lead launch excellence plans for pipeline products.

Private Assistant needed for a family in Cascais. Responsibilities include managing household logistics, family coordination, errands, vendor coordination, and Portuguese bureaucracy. Must be fluent in Portuguese and English, have a driver's license, and be comfortable with technology.