freelance English-speaking jobs in Castelo Branco

Oversee warehouse and road transportation operations in a regulated supply chain. Lead logistics, manage third-party providers, and drive process standardization. Requires 8+ years in logistics with knowledge of international compliance.

The Cancer Dormancy & Immunity lab seeks a computational biologist to investigate neuro‐immune and neuro‐stromal interactions in liver metastasis using single‐cell, spatial transcriptomics, and functional genomics data.

HVAC Documentation Engineer needed to ensure technical documentation quality and project compliance. Responsibilities include preparing O&M manuals, managing submittals, and coordinating CAD drawings. Requires a Mechanical/HVAC Engineering degree and 2+ years of experience.

Senior Data Analyst will analyze customer experience data, identify trends, and collaborate with teams to improve support workflows. Responsibilities include data analysis, reporting, process optimization, and utilizing LLM tools for insights generation. Requires 3+ years of experience as a data analyst, advanced SQL skills, Python proficiency, and experience with data visualization and automation tools.

Junior O2C Specialist requires Dutch fluency and English proficiency. Responsibilities include processing orders, generating invoices, cash application, and monitoring AR aging. Experience in Accounts Receivable/O2C is required.

Speechify seeks a Software Engineer to build and operate data ingestion pipelines for AI model training. Responsibilities include finding new audio data sources, extending cloud infrastructure, and collaborating with scientists to improve data quality and scale.

System Administrator role requiring 3+ years of experience with various operating systems, virtualization (VMware), and enterprise backup. Responsibilities include server administration, performance monitoring, and maintaining large-scale distributed systems.

Principal Software Engineer focused on Quality Engineering will design and implement automated testing frameworks, build test infrastructure, and embed quality gates into CI/CD pipelines.

Provide guidance and knowledge of Masterpiece Policy for Homeowners products via calls or emails. Analyze information, solve problems, and drive continuous improvement for customer satisfaction. Requires native French and fluent English.

Junior Engineer to support Warehouse & Stocks during M3 ERP implementation. Responsibilities include stock management, inventory monitoring, procurement coordination, and executing daily warehouse operations. Requires a relevant degree and strong organizational skills.

Software Embedded Systems Engineer will develop C/C++ software for real-time embedded systems in power protection, automation, and control. Collaborate with R&D teams on design, implementation, and validation of embedded solutions.

INTELCIA seeks Customer Support Agents fluent in Spanish (native/bilingual) with minimum B1 English. Responsibilities include providing support via phone, email, or chat, resolving issues, and logging interactions.

Test Engineer to ensure high quality standards for Maxi-Cosi and Bebeconfort products. Manual and automated testing, defect reporting, and contributing to test strategy and process improvement. Requires 3+ years experience, Agile/Scrum knowledge, and fluency in English.

Account Manager for Healthcare Simulation & Medical Integration Solutions. Develop sales strategies, engage with hospital decision-makers, and conduct product demonstrations. Requires a degree and 2 years of clinical or sales healthcare experience. English and Spanish knowledge is mandatory.

Sr. Associate - S&M - Customer Success role requires strong communication skills to provide consultative support via chat, email, and phone. Responsibilities include educating advertisers, resolving technical issues, and ensuring high customer satisfaction.

Booking Specialist role requires fluency in German and English. Responsibilities include managing reservations and providing accurate service information in a customer-focused environment. Candidates must be detail-oriented and available for rotating shifts.

Data Analytics Assistant to support data collection, organization, and analysis of large datasets. Assist in cleaning, formatting, and analyzing data using statistical tools and techniques. Create visualizations and support the development of predictive models.

Java Developer will design, develop, and test Java-based microservices for omni-channel retail platforms. Collaborate with teams to troubleshoot issues, integrate systems, and ensure code quality. Requires 2-3 years of Java development experience or a strong academic foundation with demonstrable projects. Familiarity with Spring Boot, RESTful APIs, and relational databases is essential.

Lead Salesforce development team, ensuring adherence to best practices in coding standards, scalability, maintenance, and Salesforce governance. Own the technical execution of Salesforce solutions, from requirements analysis to deployment and support. Oversee the DevOps process, ensuring smooth deployments, minimizing conflicts, and reducing downtime. Partner with the Salesforce Architect to translate business requirements into scalable technical designs.

Photographer needed to create marketing content, shoot guest videos for analysis, and develop photo packages. Requires professional experience in surf and water photography, fluent English, and strong organizational skills.