freelance English-speaking jobs in Valongo

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.

Customer Representative providing information and processing requests for insurance policies via phone, chat, email, and letters. Requires fluency in Polish (C2) and English (B2), excellent communication skills, and a proactive, team-oriented attitude.

Experienced SAP BTP CAPM Developer needed to design, develop, and deploy scalable cloud-native applications. Expertise in SAP BTP, CAPM, Node.js, SAP UI5, and SAP Fiori required. Strong understanding of cloud-native application architecture and development principles.

Fluent Spanish (C1) and B2 English speakers needed for a 6-month Customer Service role with a major European airline in Lisbon. Minimum 6 months of customer service experience required.

Fluent Italian, French, or Spanish (C2 level) and English speaker needed for Social Media Agent role. Experience managing customer queries on social media platforms and providing customer service is required. Respond to customer messages, act as a brand ambassador, and identify solutions to improve the customer experience.

The Factory Director will lead a 65-person team in Barcelos, Portugal, driving improvements in production lead times, cost of goods, and operational efficiency. This role involves implementing LEAN and agile manufacturing principles, reducing waste, and optimizing factory planning and scheduling. The Factory Director will also develop an investment roadmap, including automation, and collaborate with suppliers to enhance supply chain resilience.

Senior UX/Product Designer to collaborate with teams, lead design processes, and contribute to a design system. Must have a degree in a related field, 3+ years of experience, and a portfolio demonstrating UX design skills. Experience with user research, design tools like Figma, and agile methodologies is required. Fluency in English is essential, French is a plus.

Sales Development Representative will identify and research corporate prospects, execute outbound campaigns, conduct product demos, and manage outreach using CRM software.

The Instituto Superior Técnico seeks a tenure-track Assistant Professor/Professor Auxiliar to conduct research, teach undergraduate and graduate courses, and participate in university representation and knowledge transfer. Applicants must have a PhD in Engineering or a related field, a strong publication record, and experience in teaching, research funding acquisition, and collaboration with industry partners.

Market Research Fieldwork Manager will oversee end-to-end projects, managing client relationships, budgets, and fieldwork teams across multiple countries and methodologies.

Performance Marketer to manage Meta Ads campaigns for real estate and B2C brands. Requires 2-4 years of experience with lead generation, funnel analysis, and Meta Business Manager. Fluent English and Russian or Ukrainian required.

Billing Supervisor needed for leading industrial company in Porto. Manage a team, analyze KPIs, prepare reports, and ensure compliance with operational standards. Requires a Bachelor's degree, 5+ years in a Contact Center, 2+ years managing teams, fluency in German and English, and experience with call management platforms and CRMs.

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.

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

QA Intermediate to develop and operationalize test acceptance criteria, ensuring testing of all customer requirements and management of detected errors.

Freelance recruiter to source candidates for global roles (focus on Europe). Must have 1+ year recruitment experience, proven independent sourcing skills, and fluency in Portuguese, French, and English.

Manage and scale paid acquisition campaigns (Meta, Google, TikTok) for client brands and owned portfolio. Analyze hook rates, optimize landing pages, and construct offer bundles to improve conversion rates and AOV.

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.

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.

Digital Silk seeks a Social Media Specialist to develop and execute engaging social media content strategies across platforms like YouTube, Facebook, Instagram, TikTok, and LinkedIn. The ideal candidate will have a proven track record of growing organic following and engagement, strong analytical skills, and expertise in utilizing AI and social tools.