freelance English-speaking jobs in Guimarães

Drive commercial activity and manage the full sales cycle for new and existing IT accounts. Build and maintain client relationships, identify needs, and align solutions with internal teams.

As a Project Leader – Commercial Excellence, you will drive sustainable growth execution and deliver tangible business impact for the Specialty Polymers GBU. You will act as a business partner to Markets leadership and commercial teams globally, supporting GBU growth from performance diagnostics and insight generation to problem solving and execution. You will champion data-driven decision making, leverage advanced analytics dashboards, and structure complex information into clear, actionable insights. You will collaborate with Strategy, Marketing, Sales, R&I, Finance, IT / AI and other functions to translate strategy into execution.

The Accounts Payable Specialist will verify and process customer invoices, ensuring proper coding and authorization. They will collaborate with internal and external parties to resolve issues and maintain accurate records. Proficiency in English and Italian is required, along with a Bachelor's degree and 3+ years of experience.

Ensures accurate and timely payments to suppliers and staff while supporting global finance operations. Manages invoices, handles inquiries, and contributes to month-end and year-end closing activities.

Billing and Payments Specialist will manage end-to-end invoicing workflows for advertising clients, generate invoices, investigate discrepancies, and act as a point of contact for client inquiries.

French Quality Specialist will assess audits via data analysis, monitor CSR performance, and participate in meetings to discuss monitoring reports. Must have native or proficient French and advanced English, strong data analysis skills, and experience in quality assurance.

Join COLIBRIX ONE – Innovating the Future of Payments At COLIBRIX ONE*, we’re building advanced, AI-powered payment technologies that support Payment Service Providers (PSPs), Electronic Money Institutions (EMIs), and neobanks across the EU and the UK. As a fully licensed Electronic Money Institution (FCA Reference No.

This full-time on-site International Graduate Program position supports the definition, orchestration, and optimization of customer journeys in a B2B environment. Develops, documents, and scales omnichannel marketing journeys across digital channels in collaboration with marketing teams and stakeholders. Designs and maps insight-driven omnichannel journey concepts based on customer needs and business priorities. Collaborates with business and marketing partners to define journey objectives, segmentation strategies, and personalization requirements. Builds and deploys journeys at scale within Salesforce Marketing Cloud or coordinates execution with omnichannel activation teams. Establishes KPIs and measurement frameworks, monitors performance, and drives optimization. Captures and documents functional and data requirements to support continuous platform improvements and advanced personalization capabilities. Supports the creation, optimization, and review of Email and SEA marketing campaigns. Participates in international assignments to gain global and cross-functional perspectives. Engages in ongoing learning and development.

Junior Backend Developer to build and maintain .NET applications, REST APIs, and cloud-native solutions. Requires 1-3 years of C#/.NET experience, ASP.NET Core, Microsoft Azure, and Git.

Cloud Consultant will manage technical projects from planning to closure, driving delivery excellence across teams and stakeholders. Requires 3+ years of experience managing projects in software, cloud, or infrastructure environments. Must have strong communication, technical, and interpersonal skills. Fluency in English and French is required.

Senior Product Designer will own end-to-end design of multi-surface campaigns across email, web, and app. Translate briefs and insights into surface-specific concepts, tailoring copy and layout. Lead ideation sessions, create experience maps, and influence stakeholders. Requires 4-6 years of experience leading product design across multiple releases, proficiency in Figma and Adobe Experience Manager, and strong stakeholder management skills.

Head of Finance to partner with Portfolio Director for Engagement cluster (Sales & Marketing products) across France, Czech Republic, Spain, Switzerland, and Austria. Provide strategic financial insights, oversee budgeting and forecasting, and ensure compliance with group policies.

Site Reliability Engineer to design, implement, and manage reliable, scalable, and secure distributed systems. Responsibilities include monitoring system performance, diagnosing issues, and collaborating with teams to improve system architecture and automation. Requires 7+ years of experience managing large-scale distributed systems and expertise in web servers, databases, caching, Pub/Sub systems, containers, and monitoring tools like Splunk and Dynatrace.

Experienced Windows Systems Administrator sought to develop system standards, manage application servers, and troubleshoot issues. Must have experience with automation and possess strong English communication skills.

DevOps/SRE Consultant needed with 3+ years of experience. Primary skills include Kubernetes, Linux, AI/ML, Git, and CI/CD pipelines, as well as GCP. Secondary skills include Terraform, Docker, and Python.

Two Research Scholarships are available at Instituto de Telecomunicações for the 6G-PATH project, funded by the European Union's Horizon Europe Research and Innovation Programme. The work will focus on design, implementation, and evaluation of networks and services for smart cities, multi-access edge computing, orchestration, and private 5G networks.

Review and evaluate social media, webpages, and advertising materials for compliance with client policies. Analyze images, videos, accounts, and text-based content. Flag and elevate content violations using internal tools.

Lead Full-Stack Engineer to architect, implement, and evolve cross-platform features. Own IAM/SSO strategy, define engineering standards, and mentor engineers. Requires extensive experience as a Lead or Principal Full-Stack Engineer, strong IAM/SSO expertise, and deep knowledge of React.js.

Dietary Aides assist residents with meal service, ensuring dietary needs, safety, and cleanliness. Duties include providing meals, recording temperatures, and maintaining kitchen sanitation. High school diploma or equivalent required.

Content Reviewer needed for a leading Outsourcing/BPO company in Lisbon. Review online content for policy compliance, identify violations, and assess sensitive material. Must be native Romanian speaker with upper-intermediate English, comfortable with potentially inappropriate content, and able to work independently in a fast-paced environment.