freelance English-speaking jobs in Guimarães

Lead a team of 13 Java developers in shaping the strategic direction of JYSK's Java department. Oversee the technical development and delivery of high-quality store applications, including Point of Sales (POS) systems.

Provides sales support, assists with proposals and tenders, manages contracts, handles invoicing and payment follow-ups, and oversees software renewals.

Senior Mobile Engineer (Android) sought for international product-driven company. Develop and improve mobile applications across Android or Multiplatform environments. Contribute to product decisions and collaborate with international teams.

Lead QA/Test (FRENCH Speaker) with 5+ years of experience in testing activities, solid understanding of software testing concepts, methodologies, and best practices. Experience in developing test plans, test cases, analyzing requirements, and risk identification. Experience leading QA teams, proficiency in SQL, Quality Center, and APIs. Fluency in FRENCH is mandatory, and fluency in English is a plus.

Storage and SAN Infrastructure Administrator for Distributed, AS400, and Mainframe environments. Responsibilities include installing, maintaining, and monitoring storage hardware and software, troubleshooting issues, and providing technical support. Requires expertise in storage solutions design, administration of NAS, block, and SAN infrastructures, and scripting/automation.

Pricing Analyst will provide price, margin, and condition information, monitor market performance, and define local price strategies.

Business Manager needed for data science company specializing in Business Intelligence, Advanced Analytics, and Artificial Intelligence. 2-5 years of experience in IT Consulting, Outsourcing, or Recruitment required. Strong commercial mindset, communication skills, and a "make it happen" attitude are essential. Fluency in English required.

Support clients with paid campaign management, providing guidance on setup and optimization. Analyze campaign performance using Google Analytics and other marketing tools. Deliver customer support and ensure high client satisfaction.

Minga London seeks a Social Media & Content Manager to lead TikTok and Instagram presence. Responsibilities include content planning, execution, and analysis, with a focus on short-form video and social-first thinking. The ideal candidate has 2-4 years of experience in social media, content, or digital marketing and a strong understanding of TikTok and Instagram trends and algorithms.

Business Development Analyst to support the identification, evaluation, and execution of new hotel management and franchise opportunities. Responsibilities include market studies, financial modeling, contract preparation, and deal tracking. Requires a degree in a related field, 2-4 years of experience, and strong analytical and communication skills.

The AI Enablement Manager will design and run role-specific enablement sessions, manage the rollout of AI adoption across departments, and track team maturity in using AI. This role will also train and develop AI Champions, manage the AI request triage process, and track and report on AI adoption metrics.

Senior Backend Engineer to build systems powering digital banking. Full-time, remote role. Expertise in Java (21+), Spring Boot, microservices, and asynchronous communication (Apache Kafka). Experience with PostgreSQL, Docker, and modern AI coding tools required.

Manage and grow relationships with Spanish-speaking clients, ensuring high retention and revenue expansion. Drive renewals, deliver consultative support, and identify upsell/cross-sell opportunities.

Platform Security SRE II will manage and implement information systems, ensuring quality, compliance, and continuous improvement. Requires a Bachelor's degree in a related field, 6+ years of experience, and proficiency in C#, SQL, REST/APIs, .NET Core, and Docker.

Develops project plans, leads project teams, and manages stakeholder communication. Assesses project efficiency and value creation, identifies risks, and monitors project progress. Requires a degree in Economics/Management/Accounting or equivalent and experience in Quality Department, Material Planner, or Traffic Scheduler roles.

Provides medical support and advice for clinical trials and safety evaluation within the Pharmacovigilance department. Leads medical aspects of study protocols, site selection, and ensures compliance with SOPs and GCP.

FX Sales Executive needed for a growing brokerage specializing in the Brazilian market. Convert warm leads into trading accounts, build client relationships, and drive trading volume. Native or fluent Brazilian Portuguese and English required.

Experienced SAP EWM Developer needed for global implementations, rollouts, and integrations. Manage migrations, enhance the global EWM template, and design integrations with SAP and third-party systems. Collaborate with international teams to deliver scalable warehouse solutions.

Lead and support the payroll team for the Italian market, ensuring accurate and timely processing, compliance, and process improvement.

Backend Engineer needed for an AI-first SaaS platform. Design, implement, and maintain backend services and APIs using Node.js and TypeScript. Develop data enrichment pipelines and order processing workflows.