freelance English-speaking jobs in Castelo Branco

Lead operations for a luxury hotel in Alcácer do Sal, Portugal. Manage all departments, deliver exceptional guest experiences, and lead a diverse team. Requires 10+ years of hotel experience, 5+ years as GM in 4/5-star hotels, fluency in English and Portuguese, and strong leadership skills.

Senior Frontend Developer will build the web experience for a health infrastructure platform using React, TypeScript, and AI coding tools. Responsibilities include translating designs into components, building a component library, and collaborating with product, design, and backend teams.

The University of Aveiro is seeking a First Stage Researcher (R1) for a Postdoctoral Fellowship in Condensed Matter Physics, Light-Matter Interaction, and Radiative Heat Transfer. Applicants must hold a PhD in Electrical Engineering, Physics, Applied Physics, Physical Engineering, or a related field. The selected researcher will develop analytical and numerical models for near-field radiative heat transfer and thermophotovoltaic (TPV) systems. The grant duration is 6 months, starting in July 2026, and may be renewed for additional periods.

PR Communications Manager to develop and execute media outreach, manage reputation, and build executive visibility for a leading iGaming provider. Requires 5+ years of PR experience in iGaming, gaming tech, or casino game supply chain with strong trade media relationships.

Experienced SAP-SD Consultant needed for implementation, optimization, and maintenance of SD solutions in a global Tires business. Collaborate with internal customers, develop in ABAP/ABAP-OO, and manage interfaces to connected systems.

As a Legal Operation Analyst, you will moderate written content to identify fraud and copyright infringement. You will review legal requests related to privacy, defamation, fraud, and falsification, ensuring adherence to company policies and legal guidelines.

Test Automation Engineer needed to design, develop, and maintain automated test scripts using Playwright. Collaborate with engineers and product owners to translate requirements into test cases. Experience with API, integration, regression, and end-to-end testing is required.

Acceptance Tester for a national project. Build automations for IT application tests, create AI agents, and enhance end-to-end test automation. Analyze and ensure comprehensive test coverage. Proven experience in similar roles, Java, C#, JavaScript, Python, Selenium, Playwright, and Cucumber framework required. Fluency in English.

Customer Service Representative providing support via email and phone to truck drivers and logistics companies in Dutch.

Provide customer support for ByteDance e-commerce products and services via email, chat, and phone. Handle inquiries professionally, ensuring excellent customer experience.

Civil Works Site Supervisor needed for ongoing Data Center Project in Sines. Supervise and coordinate all civil works, ensuring compliance with drawings, specifications, and schedules. Coordinate subcontractors and daily site activities. Degree in Civil Engineering required. Proven experience as a Civil Works Supervisor, preferably in data centers or large-scale projects.

Black Cat Cinema seeks a Comms & Marketing Manager to lead communication across social media, newsletters, and marketing channels. The role involves creating engaging content, managing community interaction, and collaborating with creative teams. Fluency in Portuguese and English is required.

DevOps Proxy to bridge clients, development, and infrastructure operations. Set up, deploy, and manage environments and microservices. Support customer environments and provide consulting. Research and experiment with technologies to improve processes. Define deployment stack architecture and oversee release management. Experience with Kubernetes, OpenShift, or similar technologies and a public cloud provider required. Fluent English.

Design, build, and scale intelligent AI-powered solutions using machine learning and generative AI technologies. Develop robust AI application architectures and contribute to innovation.

Lead Software Implementation Consultant for complex FeneVision deployments. Designs solutions, guides integrations, and collaborates with customers and internal teams. Requires 8+ years of experience implementing enterprise software in manufacturing environments.

Energy Systems Engineer (R&D) will participate in international projects focused on Energy Markets and Storage. Responsibilities include project implementation, stakeholder interaction, writing specifications, and developing solutions for EDP's Energy Management Platform.

Supports data extraction, validation, and consolidation from multiple sources. Maintains reports and dashboards, analyzes workforce metrics, and assists in automating reporting processes. Requires proficiency in Power BI, advanced Excel skills, and data modeling knowledge.

Write unique and viral LinkedIn content for 4 accounts, producing 12 posts weekly. Transform raw founder/VC/operator thoughts into polished, humorous, and high-performing content. Test various formats and styles to create engaging content. Collaborate with editors and the writing team to refine your voice and skills.

Commission mechanical and process systems at power plant construction sites globally. Ensure commissioning activities meet budget, time, and quality targets while adhering to EHS requirements. Collaborate with internal and external teams.

Senior AI Consultant will design, develop, and implement AI solutions, translating business requirements into technical specifications. This role requires experience with AI technologies, including LLMs, embeddings, and vector search, as well as a strong understanding of AI governance and security principles.