freelance English-speaking jobs in Valongo

Provide multilingual customer support via phone, email, and live chat. Resolve customer queries, handle complaints, and ensure compliance with service standards.

Develop and maintain web applications using React, React Remix, Tailwind, Redux, Axios, and other JavaScript technologies. Collaborate with design and product teams to create user-friendly applications.

Leads kitchen staff in preparing quality food while adhering to sanitation and food standards. Manages assigned outlets to meet financial goals. Implements menus, recipes, and training for team members.

Junior Recruiter to support high-volume and strategic hiring across Southern Europe. Execute a robust hiring process from sourcing to offer coordination. Partner with hiring managers to assess candidate fit and deliver a structured, data-driven recruitment process.

Senior Product Designer will pitch, prototype, test, build, and refine new features for Speechify's text-to-speech products across iOS, Android, and web platforms. Refine UX/UI patterns, rethink onboarding and user flows, and influence the product roadmap.

Develops and industrializes new products from concept to mass production, ensuring technical feasibility, quality, and timely delivery. Supports product design, transfer to production, and optimization for European manufacturing. Creates 3D models, technical drawings, and conducts technical analysis. Collaborates with engineers, production, and quality teams.

Senior Mobile Developer responsible for designing, evolving, and maintaining mobile application architecture primarily based on Flutter. You will own synchronization mechanisms, identify performance bottlenecks, and define technical standards for mobile development. Requires 5+ years of mobile app development experience, strong Flutter skills, and experience with scalable app codebases.

Senior Buyer specializing in logistics (freight, warehousing, distribution) for global clients. Leads sourcing initiatives, manages tenders, and develops supplier relationships. Requires fluency in French and English, 5+ years of experience in logistics procurement, and strong negotiation skills.

Senior Software Developer will develop and maintain the Nox Cloud Platform. Responsibilities include writing code, assisting in design document development, and reviewing Pull Requests. Requires a Bachelor's degree in Computer Science or equivalent experience, proficiency in Java/Kotlin, Spring, Hibernate, Angular, Flutter, and SQL/NoSQL databases, and experience with Git.

Software Engineer to own feature development and collaborate within agile squads. Responsibilities include requirement analysis, code quality assurance, performance optimization, and documentation. Requires 2-5 years of experience, proficiency in Git, and knowledge of relational databases.

SOC Level 1 analyst to administer, maintain, and evolve security infrastructure and platforms. Support monitoring, automation, and incident response teams. Requires 6+ months experience, knowledge of SIEM, SOAR, EDR, firewalls, and IP networks. Must be proficient in English and available for 24x7 shifts.

Senior Business Analyst to execute Fresenius Medical Care's compliance program, focusing on HR Services Audit & Compliance. Responsibilities include global internal controls design and implementation, audit coordination, risk management, and remediation. Requires a Bachelor's degree, 5-6 years of experience in HR or Compliance/Audit, and advanced English.

System Engineer to define, simulate, and validate heat pump systems and components, supporting the full product development cycle.

Designs, evolves, and maintains ML infrastructure for a high-scale marketing platform. Develops ML pipelines, infrastructure (Databricks, AWS, Ray, Kubernetes), and observability frameworks. Partners with Data Science teams to enable efficient model deployment and iteration.

Clinical Research Coordinator needed to support oncology studies at a hospital site in Lisboa, Portugal. Native Portuguese fluency and clinical research coordination experience are required.

Experienced Wedding & Events Planner sought for luxury destination weddings in the Algarve. Minimum 2 years' experience required, with destination wedding or international client experience preferred. Strong organizational, communication, and time-management skills essential. Must be locally based.

RPA Developer with minimum 1 year of experience in Blue Prism development. Must be fluent in English and able to work in a hybrid model (2-3 days/week) from the Lisbon office. Valid work permit for Portugal required.

Software Developer to support the full software development lifecycle within a manufacturing environment. Design, develop, and optimize MES solutions to improve data accuracy, system reliability, and operational performance. Collaborate with manufacturing, quality, engineering, and IT teams.

TUI seeks digital-savvy individuals to join their team of Hotel Reps in Funchal, Madeira. The role involves creating memorable guest experiences, identifying needs, and promoting TUI products to achieve sales targets. Must be fluent in English, possess a driving license, and own a car.

Develop and execute medical affairs plans for ophthalmology across the PASEBA cluster, ensuring strategies address medical and scientific needs. Build scientific engagement with ophthalmology community, identify clinical care gaps, and contribute to global medical strategy. Collaborate with cross-functional teams to provide scientific input for access, reimbursement, and brand strategies.