freelance English-speaking jobs in Valongo

Lead and inspire a regional software engineering team to develop open source automation capabilities for simplifying operations. Design and deliver open source software operations code in Python and Golang, working with the entire Linux stack.

Operational Excellence HR Trainee will support meeting management, project governance, HR quality, and knowledge management. Requires a degree in Business Administration, Human Resources, Communications, or related fields, strong organizational skills, proficiency in MS Office, and fluency in English.

KCS IT seeks a React Frontend Developer with 4+ years of experience. Responsibilities include developing user interfaces using React.js, HTML5, and CSS3, consuming REST APIs, and collaborating with a team. Fluency in English is required.

Insurance Administrator needed for a multinational company. Process insurance policy requests, act as a point of contact, and ensure data accuracy. Fluency in French and English required.

Technology Consultant Associates will complete a 12-month program, participating in classroom learning, simulations, and real-customer engagements. They will support solution implementation activities, including fit-to-standard analysis, configuration, integration, testing, cutover, and go-live using SAP Activate. Associates will assist in translating business requirements into functional and technical solution components, contribute to defining IT landscapes, and support post-go-live adoption activities.

Manage engineering activities for large-scale energy projects, focusing on power generation and renewables. Plan, monitor, and ensure budget, timing, and quality of engineering works. Participate in design, calculations, and reporting. Collaborate with clients, partners, and colleagues.

Develop and maintain a scalable micro-frontend architecture for Feedzai products. Collaborate with product teams to integrate modules and ensure seamless application functionality. Write documentation and tooling to support product team integration. Implement testing strategies to ensure platform stability and quality. Provide support and guidance to product teams on integration issues. Contribute to the long-term roadmap of the Studio project.

Finance Controller CMO will consolidate and report on the Medical Business Units for all Operations financial controlling requirements across 45+ countries and 5 regions. The role involves collaborating with local markets, regional management, and Global CMO on financial matters, providing insights on asset and resource utilization, and ensuring compliance with IFRS, ICS, and internal guidelines. The ideal candidate will have a degree in Business Economics with 5 to 7 years of experience in Controlling within a multinational environment, preferably in biopharma or a similarly regulated industry.

Provide phone, email, and ticketing system support to healthcare professionals using a digital health platform. Deliver remote training and advise on product features.

Senior mobile developer with 5+ years experience building and maintaining iOS and Android apps using native technologies. Responsibilities include implementing clean architectures, ensuring high performance, and collaborating with designers and backend teams.

Develop and refine hybrid machine learning models for process unit optimization in DataHowLab. Design, implement, and validate upstream bioprocess models, translating scientific knowledge into code. Collaborate with R&D engineers, data scientists, and product teams.

Business Development Representative to drive growth of AI, Data, and Tech Upskilling programs for companies. Responsibilities include generating new business opportunities, leading client conversations, and managing the sales process.

Business Analyst with 3+ years of experience in data analysis, SQL, ETL, Data Warehouse, and AI. Proficiency in LLM, Jira, Confluence, and PowerBI. Fluency in English and Portuguese required. Hybrid work model based in Alfragide 2 days per week.

Linguist to support AI training initiatives and content creation. Responsibilities include creating linguistic content, resolving ambiguity and bias issues, performing QA on model outputs, annotating datasets, and conducting linguistic research. Requires deep understanding of linguistic theory and language structure. Experience with computational linguistics, corpus analysis, or LLM training is a plus.

The Procurement Specialist facilitates governance, oversees supplier performance, supports RFP processes, negotiations, and contracting within Travel, Meetings, Cards, and Fleet categories.

The Revenue Manager maximizes hotel revenue by optimizing rates and occupancy. Responsibilities include rate and pricing management, data analysis, occupancy projections, distribution channel management, and performance indicator monitoring.

The University of Coimbra is seeking a Postdoctoral Research Fellow for a project focused on mitochondrial-lysosome communication and its role in aging pathology. The successful candidate will conduct research using cell cultures, molecular biology techniques, and animal models. Support in project activities, manuscript preparation, and laboratory maintenance is also expected.

Develop and optimize Talend ETL/ELT workflows for data integration and transformation. Build scalable data pipelines across databases, cloud platforms, and APIs. Collaborate with business analysts and data architects to translate requirements into integration solutions.

The Strategic Project Manager reports directly to the CEO and is responsible for planning, executing, and closing strategic projects. This role involves collaborating with various departments, external consultants, and stakeholders to identify, analyze, and solve critical company issues.

Logistics Assistant needed for inbound/outbound movements, shipment discrepancy resolution, and end-to-end documentation processing. Requires 1 year of experience, fluency in English, Microsoft Office proficiency, and strong research, analytical, and communication skills. Must be detail-oriented, able to negotiate, manage priorities, and work independently or collaboratively.