freelance English-speaking jobs in Castelo Branco

Lead and manage tours in Portugal and Malta, delivering exceptional customer experiences and prioritizing group safety. Must have excellent communication skills in English and Portuguese, strong travel experience in Portugal, and organizational skills.

Senior Data Engineer to design, develop, and maintain scalable data pipelines and integration frameworks. Experience with Python, SQL, Spark, Databricks, Fabric, and cloud infrastructure required.

Analyst, Quality Assurance will conduct and verify analyses of bulk samples, in-process controls, and finished products. Responsibilities include sampling, data entry, equipment maintenance, and training. Requires a High School Diploma or Science degree, fluency in English, and knowledge of cGMPs and FDA regulations.

Senior UX/UI Designer to lead end-to-end design across website, LMS, and app. Collaborate with Product, Research, and Engineering. 6+ years experience, fluent in Figma, and able to translate ambiguity into wireframes and UI. Strong communication skills and experience with multi-market teams.

Leads a team of data architects and engineers, overseeing the design, development, and maintenance of a scalable data platform. Requires experience with data architecture, cloud technologies (especially Google Cloud), big data technologies, and data warehousing solutions.

Senior Java Developer (ETL & Data) with +5 years experience in Java 8+, Spring Boot, SQL, and relational databases. Experience with ETL workflows, data flow optimization, and PL/SQL scripting required.

The Multimedia Coordinator will plan, film, and edit video content for in-studio displays, product experiences, and educational materials. This role requires proficiency in DaVinci Resolve, Fusion, and After Effects.

Quality Assurance Tester with 4+ years of experience in complex software environments. Solid manual testing experience required. Must be fluent in English and French and available for a hybrid work model.

Lead the technical direction of mobile products, defining and driving the mobile technical roadmap for iOS and Android. Own code reviews, design sessions, and technical discussions. Translate engineering tradeoffs into business-friendly language.

Expert Supervision / Monitoring Engineer will maintain, optimize, and evolve supervision, metrology, and automation platforms within a complex infrastructure ecosystem. Responsibilities include designing, deploying, and evolving monitoring solutions, ensuring platform operational condition, and collaborating with infrastructure, system, network, and user environment teams.

Office Operations Specialist will manage daily office operations, including maintenance, supplies, and administrative support. Provides support to the Country Manager and leadership team, handles reception duties, and coordinates meetings and events. Requires a university degree and 3+ years of experience in a similar role. Strong organizational and communication skills are essential.

Clinical Scientist Associate Director supports late-phase clinical development by contributing to protocol development, study start-up, data review and monitoring, and analysis activities.

Solution Architect responsible for designing, optimizing, and governing data and integration landscapes for EPLAN and related engineering systems. Focus on scalability, performance, and seamless interoperability.

Senior C++ Engineer will build and optimize high-performance media systems for large-scale streaming platforms. Responsibilities include working with FFmpeg, x264, and video processing pipelines, optimizing encoding performance, and debugging complex media issues.

Azure DevOps Engineer will contribute to the design of a secure, scalable, and robust infrastructure code base. Responsibilities include continuously improving CI/CD automation, cloud infrastructure logging/auditing capabilities, and collaborating with the Engineering team to identify and solve automation tasks.

Senior Data Warehouse Engineer to design, develop, and optimize ETL processes in Databricks. Experience with data warehousing, data lakes, and Modern DWH architecture required. Must have strong SQL Server and Power BI skills. Minimum 5 years of professional experience in an Enterprise environment. Fluency in English and Portuguese required.

This role supports the Credit Manager in Accounts Receivable/OTC operations, ensuring billing and collection compliance. The Accounts Receivable Accountant will analyze financial information, create reports, and collaborate with internal and external stakeholders. Strong problem-solving, communication, and presentation skills are required.

Senior Cyber Security Analyst provides technical expertise and strategic security guidance to Flutter divisions. The role involves assessing risks, developing security controls, and collaborating with teams to embed security best practices. Requires experience in security policy, standards, and controls, as well as knowledge of IT security frameworks and GDPR.

GL & AP Accountant needed for Shared Service Centre supporting Canadian and Portuguese operations. Responsibilities include general ledger maintenance, accounts payable management, and collaboration with cross-functional teams. Requires a Bachelor's degree in Finance/Accounting, 2+ years of GL experience, fluency in English, and strong Excel skills.

Software Engineering interns will gain hands-on experience in a dynamic tech environment. The program runs from July 13th to September 11th.