freelance English-speaking jobs in Barreiro

As a German-speaking Customer Success Manager, you will support industrial companies in leveraging AI-powered forecasts for better purchasing and production decisions. You will own the customer lifecycle, from onboarding to renewal, and lead discussions translating complex forecast models into actionable insights.

Provide technical and data-related support to French-speaking customers via phone, email, and chat. Investigate issues, offer solutions, and collaborate with teams to improve service quality. Fluent French and basic SQL knowledge required.

Technical Account Manager for a global SaaS provider focused on the telecommunications industry. Manage strategic international key accounts, drive adoption of SaaS solutions, and identify expansion opportunities. Requires 10+ years of experience in account management within SaaS, Telco software, OSS, BSS, network intelligence, or analytics platforms. Must have experience managing international customers, particularly in the US, and be comfortable working flexible hours.

Provide customer support via live chat and email for a fast-growing fintech/crypto trading platform. Support users, manage inquiries, and contribute to service improvements. Must have strong English and one of the following: Finnish, Norwegian, Swedish, Danish, or Czech. Previous customer service experience is preferred.

Sales Executive to manage the full sales cycle, identify B2B opportunities in tech, and build relationships with decision-makers. Proven B2B sales experience, excellent communication skills, and fluency in English required.

Embedded Software Engineer needed with a minimum of 3 years of experience in software development using C, C++, or ADA. Full-lifecycle development experience required, from requirements gathering to training. Must be passionate, driven, and possess strong communication skills. Fluency in English is essential.

Information Systems engineer specializing in Microsoft Copilot to deliver collaboration technologies to a global enterprise. Responsibilities include analyzing business processes, establishing system specifications, coordinating testing and implementation, and creating integrations and automations. Requires 1+ year of MS Copilot experience and 2+ years of experience with Office 365.

Marketing designer to develop and evolve brand visual ecosystem, create graphic content, and collaborate with team on visual consistency. Requires 5+ years of experience, strong understanding of design principles, AI tool proficiency, illustration skills, and web/marketing design experience. Fluent in Russian, conversational English (B2).

Regional Marketing Manager for Microbiology FAST solutions (VITEK REVEAL, BACT/ALERT VIRTUO, VITEK MS PRIME, BIOFIRE BCID2) in EMEA. Develops and executes regional marketing strategies, adapts global frameworks, and supports launch management. Requires 3-5 years of IVD marketing experience, ideally in Microbiology diagnostics, and fluency in English.

Implement and migrate Identity Governance & Administration (IGA) tools. Design user lifecycle processes, role models, and access certifications. Work with directories and platforms from a security perspective. Contribute to governance initiatives, including workflow design and segregation of duties (SoD) analysis.

Junior Finance Analyst to assist with financial reporting, forecasting, budgeting, and analysis. Supports month-end and year-end closing processes and collaborates with cross-functional teams. Requires a Bachelor's degree in a related field and 0-2 years of experience.

Senior QA Engineer will own manual and automated testing across the SDLC, contributing to test coverage and driving continuous improvement. Responsibilities include investigating user issues, creating bug reports, and developing product knowledge. Experience with test automation tools, REST API testing, and CI/CD environments is required. Proficiency in C#, JavaScript/TypeScript, and SQL Server is also needed.

Marketing Customer Support Specialists provide paid advertising expertise and customer service to advertisers. Responsibilities include troubleshooting, campaign support, and collaborating with internal teams. Requires experience in paid campaign management, digital marketing, and a customer-focused approach.

Transport Technician will design, implement, and coordinate transport management models across warehouses. Responsibilities include supporting transport operations, analyzing KPIs, proposing process improvements, and ensuring compliance with inventory policies. Requires a degree in Industrial Engineering or similar, 2+ years logistics experience, and proficiency in relevant software.

Körber seeks a Supplier Quality Inspector to execute quality control checks on purchased materials and equipment, ensuring compliance with company policies and legal requirements. The role involves collaborating with suppliers, participating in supplier identification and management, and supporting negotiation processes.

Lead and mentor a team of backend and frontend developers to build the Wellhub product. Design, develop, and maintain multi-platform web and responsive mobile interfaces and systems. Troubleshoot platform issues and identify opportunities for improvement. Collaborate with cross-functional teams to deliver high-quality solutions.

Provide accurate and efficient customer support via email and chat. Collaborate with internal teams to resolve issues and identify improvement opportunities. Mentor junior colleagues and contribute to process enhancements.

Senior Learning & Development Specialist to design and deliver AI-focused learning programs across team.blue. Will partner with business leaders to identify skill gaps and build learning pathways. Responsible for program design, delivery, change management, and vendor management. Requires 5+ years of experience in L&D, talent management, or organizational development with a proven track record in AI-related initiatives.

Biology Teacher needed for August 2026 start at Vilamoura International School. Plan and deliver IB MYP/DP Biology lessons, develop scientific skills, and assess student progress. Degree in Biology, Science, Education, or related field required. Experience teaching Biology in an IB or international school setting preferred.

Planning & Scheduling Engineer supports and controls Engineering Planning activities on projects. Develops schedules, mitigates risks, proposes resources, and updates planning systems. Requires a Bachelor's Degree or equivalent experience, 1-4 years in related fields, Primavera P6 experience, and strong analytical skills.