freelance English-speaking jobs in Guimarães

Leads and owns all Amazon business operations worldwide, driving revenue growth, operational performance, and continuous improvement across listings, PPC, logistics, and account health.

Salesforce Developer with minimum 4 years of experience required. Solid experience with integrations and development within the Salesforce platform. Strong knowledge of APEX and Java. Good level of English (minimum B2).

Website Management Trainee will become an Infineon CMS expert, edit and improve the Infineon web presence, and collaborate with digital teams on website management, updates, and enhancements.

Leads the brand's creative vision across all channels and markets. Creates and writes creative ideas for campaigns, social media, and brand activations. Oversees the execution of key campaigns and ensures consistent storytelling. Coaches and supports the creative team.

Technical Sales Manager to coordinate technical and commercial activities, manage client relationships, and develop new business opportunities in the metalworking industry.

Senior VBA developer needed for a hybrid role in Lisbon. Must have strong VBA Excel and Access skills, SQL knowledge, and English proficiency. French language skills are a plus.

Provide world-class customer service and support a dynamic team in a growing global organization. Manage on-site tasks to ensure a smooth and positive workspace experience.

Visual Basic Developer needed to maintain and develop applications using Excel, Access, and potentially Python. Requires 3+ years of VBA experience, SQL knowledge, and good English communication skills.

UI UX Designer needed to create delightful and meaningful experiences for a flagship mobile game. Collaborate with product managers and engineers to design user interfaces and incorporate iterative design and user testing. Must have 3+ years of experience as a UI UX Designer in the gaming industry, proficiency in Figma, and a strong portfolio.

Trade Marketing Trainee will support the implementation of in-store marketing strategies and campaigns. The role involves administrative support, collaborating with the management team, and analyzing the commercial impact of marketing initiatives.

KCS IT seeks a Junior-level SAP ABAP developer with 2 years of experience. Requires basic ABAP knowledge (reports, ALV, enhancements, forms, interfaces) and fluency in Portuguese and English. Experience with SAP S/4HANA, Fiori/CDS Views, and object-oriented ABAP is advantageous.

Maze seeks a Research Partner to advise and guide prospects and customers on user research best practices. This role involves collaborating with sales and customer success teams, leading customer-facing discussions, and helping establish scalable research workflows.

AYES seeks a Senior Business Manager to lead business development and manage a consulting team in Portugal. Requires a degree in Engineering, 4+ years of experience in engineering and technology consulting, strong commercial skills, and fluency in English and Portuguese.

Senior Data Engineer to design and deliver scalable data solutions for advanced analytics, AI, and Machine Learning. Experience with Databricks, Apache Spark, Python, SQL, and cloud platforms required.

ESNA seeks a proactive intern to support the coordination and development of the opportunityhub.eu platform. The intern will assist with project management, stakeholder engagement, platform operations, and ecosystem intelligence.

The Procurement Data and Insight Analyst supports Unilabs procurement operations through data analysis, reporting, and actionable insights. This role focuses on building and maintaining analytical tools, dashboards, and monitoring frameworks to optimize procurement strategies, identify savings opportunities, and monitor supplier performance.

Colt seeks a Compliance Specialist to implement compliance methodologies, policies, and frameworks. The role involves managing the compliance toolkit, coordinating reviews, and ensuring actions are tracked and closed. Experience supporting compliance reviews, risk-based testing, or control assessments is required.

Sales Representative will promote and sell Medtronic's Coronary & Renal Denervation products and services in the South region of Portugal. Responsibilities include developing relationships with healthcare professionals, pursuing leads, and providing technical support.

Marketing Executive to support day-to-day marketing, outreach, and business support activities. Will assist with social media, webinars, email campaigns, market research, and content creation. Strong English communication skills required.

Provide technical customer support to Arabic-speaking customers via phone, email, chat, and social media. Handle pre-sales questions, troubleshooting, and general inquiries. Must be a native Arabic speaker with English B2 level and experience in paid campaign management.