freelance English-speaking jobs in Guimarães

Support Relationship Managers in developing Factoring business opportunities. Duties include preparing proposals, coordinating documentation, monitoring sales activities, and liaising with internal departments. Requires a relevant degree and 1-3 years of experience.

Senior Full Stack Developer to build user-facing features in React and maintain Node.js backend services. Requires expert JavaScript/TypeScript, performance optimization, and automated testing with Jest.

Home Care Physician in Lisbon providing medical consultations to patients at their accommodation. Requires a recognized medical degree, active license, and fluency in English and Portuguese. Must have 2+ years of clinical experience.

Software Engineer role requires strong foundations in math, electromagnetism, and DSP. Develop and maintain software in C, C++, and Python for SAR systems, supporting lab and flight testing. MSc in related field is required.

Digital Support Agent role requiring fluency in Ukrainian and good English. Responsibilities include providing customer support, handling queries, and maintaining high-quality customer interactions.

Provide Level 1 technical support for EV charging stations via phone, email, or chat. Perform basic troubleshooting, document interactions in ticketing systems, and escalate complex issues. Native Dutch and English proficiency required.

Lead a department, driving excellent customer experiences and operational excellence. Responsibilities include team motivation, sales data analysis, and ensuring brand standards. Requires retail experience, strong communication, and Portuguese/English knowledge.

Seeking a Full Stack Developer with 3+ years of experience in React.js, TypeScript/JavaScript, and Node.js. Must have solid experience with REST APIs, databases, Git, and Agile methodologies.

Design and deliver digital learning experiences for global cybersecurity awareness. Conceptualize WBTs and role-based training, translating technical content into engaging formats. Requires 3+ years in corporate learning and e-learning authoring tools.

Native Portuguese (Portugal) speakers with strong English comprehension are sought as Freelance Linguistic Testers. Review AI-generated content for cultural accuracy and test software for UI/functional bugs. Must own a Mac with an M-series chip.

Lead negotiation of clinical trial agreements and budgets with investigator sites. Requires strong contract management experience, fluency in English and Portuguese, and understanding of clinical trial agreements.

Assist in project planning, documentation, and tracking for a Project Manager. Requires a Bachelor's degree in Business Administration, Engineering, or related field, strong organizational skills, and enthusiasm for project management.

Sales Representative to assist private and professional customers via phone and writing to find auto parts. Responsibilities include registering new customers, processing orders, and providing logistics information. Fluency in Portuguese and English is mandatory.

Marketing Trainee role involving campaign development, market data analysis, and contributing to annual brand marketing plans. Requires a degree in Pharmaceutical or Management + Marketing postgraduate study, and fluency in English.

Junior Graphic Designer to support social media graphic production for a global consulting firm. Execute design pieces based on briefs and brand guidelines using Figma and Adobe Creative Suite. Ensure visual consistency across multiple brands.

Affiliate Manager for iGaming. Develop partnership proposals, negotiate terms, and support affiliates. Analyze traffic and key metrics to optimize strategy and drive customer acquisition. Requires 1.5+ years in iGaming affiliate marketing.

Operational Risk Analyst performs analysis and reporting for risk-based internal controls. Responsibilities include developing business reports, supporting risk management systems, and ensuring policy compliance. Requires advanced Excel skills and strong English.

Support the Account Manager team with daily operational tasks, gather partner insights, and improve partner UX. This 6-month internship requires a Bachelor's degree and proficiency in Portuguese and English.

UX Design Lead role requires 3+ years of Product Design experience for modern web applications. Must own the full design process, expert in Figma, and skilled in UCD methodologies. Experience with B2B/enterprise software and Agile teams is required.

Junior Java Developer role focused on developing and maintaining Java applications for test automation and software quality. Responsibilities include improving CI/CD and Generative AI-driven development. Requires 1+ year of Java experience.