freelance English-speaking jobs in Castelo Branco

Manage and grow partner relationships by delivering an end-to-end customer experience across telecom services. Own onboarding, service delivery, and act as a trusted advisor, coordinating with internal teams to drive value and retention.

Creative Strategist (UGC & Paid Social) to deliver 20+ monthly video creatives, including 10 with UGC creators. Requires 3+ years in creative production or paid social, strong scriptwriting, and managing creators/agencies.

Technical Buyer drives purchasing for development projects, managing supplier selection, RFQs, and negotiations. This role requires experience in procurement and collaboration across cross-functional teams.

As an Insights Consultant, you will analyze data to translate findings into clear, actionable insights for customers. You will build relationships, prepare reports, and present analytical results to stakeholders.

Account Payable Trainee role assisting with financial reporting, ERP invoice launch, and managing supplier credit/debit requests. Requires a degree in Finance or related field and fluency in English.

Support the PONTES project to enhance Portuguese institutions' readiness for the European Pact on Migration and Asylum. Responsibilities include project implementation, coordination, monitoring, and stakeholder liaison. Requires a relevant Bachelor's degree with three years' experience or equivalent professional experience.

Results-driven, English-speaking Sales Representative needed for an international sales team. Responsibilities include outbound calls, lead generation, needs assessment, and managing the sales pipeline to meet targets. Requires C1 English and outbound sales experience.

Senior Front End Developer to design, develop, and maintain web applications using ReactJS/NextJS. Requires 5+ years of experience in modern frontend technologies, HTML, CSS, Typescript, and JavaScript. Experience with REST APIs, NodeJS, and version control (GIT) is essential. Fluency in English and strong communication skills are required.

Product & Web Designer to shape the user experience of Action1's SaaS platform. Design intuitive interfaces, improve usability, and build consistent design patterns. Requires 2+ years in UI/UX or product design.

Lead the creation of a greenfield Professional Services Centre of Excellence. This role requires SaaS/software implementation leadership, team building experience, and fluency in both English and French.

Clinical Specialist supports Medical Aesthetic professionals in Northern Portugal using Allergan's non-surgical portfolio. This role involves delivering tailored education, technical support, and clinical guidance to enhance HCP expertise and product adoption.

Manager of Big Data and AI Advanced Analytics required. Candidates need 7-10 years of experience in big data, advanced analytics, and AI, with proficiency in tools like AWS, Hadoop, and machine learning frameworks. A Master's degree is preferred.

Support Clinical Project Manager/Director across all clinical project phases. Responsibilities include drafting documents, tracking milestones, managing systems, and assisting with site management and reporting.

Customer Specialist for a Banking Project. Assist customers with inquiries regarding bank accounts, transactions, payments, and digital banking via phone, email, and chat. Requires fluent German (C1/C2) and English (B2).

Receptionist role responsible for guest needs upon arrival and departure, ensuring an exceptional stay. Duties include check-in/out, room allocation, handling requests, and promoting hotel services. Requires Front Office experience, Hotel Management diploma, and fluency in local language with high English proficiency.

Support B2B advertisers using advanced digital advertising solutions. Resolve product issues and improve campaign performance via email and chat. Requires a Marketing degree and experience in Digital Marketing or AdTech support.

Post-doctoral fellow sought for Cancer Dormancy & Immunity Lab to advance cancer neuroimmunology. Research involves in vivo models, single-cell RNA sequencing, and neuro-immune assays. PhD in related fields required.

Seeking a Tech Product Manager with 4+ years of experience and a Computer Science or Engineering degree. Must blend business and technical savvy, understand client problems, and communicate effectively with engineering teams.

Customer Service Representative handling client contacts via phone, chat, and email. Requires native/fluent German and fluent English (C1). Focus on providing excellent service and sales-oriented product presentation.

Operations Customer Expert needed for Payment Solutions Support. Handle client inquiries via phone and email, providing accurate guidance on technical or account processes. Requires fluent Spanish (C2) and good English (B2).