freelance English-speaking jobs in Valongo

Intern to join the Sequencing Team within the Molecular Biology Unit. Perform DNA sequencing activities using established molecular biology and sequencing methodologies. Analyze sequencing data, perform quality assessments, and support accurate data interpretation.

Develop food product formulations from concept to prototype, conduct testing, and ensure compliance with regulations.

EBBA Group seeks a Frontend Developer to build and maintain e-commerce experiences for brands. Responsibilities include developing landing pages, funnels, and checkout pages, working with Shopify themes, and implementing CRO experiments. Experience with modern frontend frameworks, preferably React, and Shopify is required.

Business Development Lead to support and execute business development strategy across Portugal, Spain, and select international markets. Focus on identifying, originating, and developing new opportunities in real estate & development, particularly projects led by developers and investors. Manage bid processes and build relationships with key stakeholders.

Experienced Real Estate Consultants sought for Comporta & Melides. Join Engel & Völkers, a global luxury real estate brand, and develop your career in Portugal's dynamic market. Responsibilities include acquiring properties, conducting valuations, organizing viewings, and developing marketing activities. Fluency in English and Portuguese is required.

AI Power Platform Engineer needed. Requires a Bachelor's degree in a related field, strong analytical and problem-solving skills, and experience with PowerApps, Power Automate, Dataverse, and Azure DevOps. Must have practical experience with prompt engineering, Copilot Studio, and AI Hub within the Power Platform.

Data Analyst needed to collect, analyze, and interpret data from various sources. Create reports, dashboards, and visualizations to support business decisions. Identify trends, patterns, and opportunities for improvement. Must have strong analytical and critical thinking skills, advanced Excel skills, and experience with reporting tools.

As a Collections Specialist, you will support the Collections Manager in monitoring third party collections performance, analyzing customer accounts, and resolving disputes. You will provide data and insights to support risk assessment and build relationships with stakeholders across Finance and the wider business.

Senior Data Engineer to design and evolve a modern Data Platform for Telecommunications or Retail. Experience with Snowflake, dbt, Apache Airflow, SQL, Python, and Databricks required.

Lead our school's catering department, designing nutritious menus, managing a kitchen team, and ensuring food safety standards. Drive revenue growth, cater school events, and engage with pupils and parents.

The Hotel Manager will lead the hotel's opening project, ensuring the right team is recruited, onboarded, and trained according to the opening date and business forecast. The role requires defining and executing a strategic and budget plan, setting performance targets, and enforcing policies, processes, and procedures. The Hotel Manager will also ensure compliance with Wyndham brand standards, guest satisfaction measurement tools, and the company's Code of Conduct and Vision.

Leads the implementation of security controls across corporate and client environments, driving security best practices and data management. Manages the Security Operations Centre, performs security assessments, and leads threat and vulnerability management. Requires a Bachelor's degree and 5+ years of experience in cloud security with hands-on experience in M365/Azure/AWS.

Mercer seeks a Junior Investment Consulting Analyst to support Client Directors and Managers in delivering investment advice and managing projects. The role requires strong technical, project management, and communication skills. Candidates should have advanced English, investment market knowledge, and 1-2 years of relevant experience or recent graduation from a finance program.

Senior Backend Developer will lead the development, testing, and maintenance of backend solutions and internal tools for a connected vehicle data product. Responsibilities include designing and creating products, prototypes, and MVPs for near-vehicle services, architecting and managing cloud-native microservices, and providing expert advice on backend and tool development. Requires a Bachelor's degree in a related field, minimum 5 years of experience, and expertise in Java/Kotlin, Spring Boot, cloud services (AWS), CI/CD, and microservices architecture.

Senior Frontend Engineer to build and scale React 18+ apps in TypeScript for a fast-growing EV charging company.

Senior Business Analyst needed for a tech-driven environment. Experience in data modeling, API design, and cloud platforms (Azure) is required. Strong stakeholder management and communication skills are essential. Experience in financial or regulated environments is a plus.

ServiceNow Developer with 2+ years of experience needed for a Telecommunications project. Responsibilities include configuring ITSM modules, collaborating with stakeholders, and supporting integrations. Fluent English required.

Provide support to high-level clients via chat, email, and phone. Assist customers with the self-serve advertising platform and related tools. Deliver pre- and post-sales support for digital advertising products.

Fluent Spanish (C1) and B2 English speakers needed for a 6-month minimum Customer Service contract with a major European airline in Lisbon.

Lead the marketing strategy and execution for a fast-growing HealthTech company. Own marketing budget, team development, and growth outcomes. Minimum 7 years of marketing experience with 3+ years in a leadership role. Proven experience in digital health, telemedicine, or related fields. Demonstrated growth impact with measurable business results. Must be AI-native with hands-on experience using tools like Claude, ElevenLabs, and ChatGPT.