engineer English-speaking jobs in Guimarães

Sales Associate to join the Vans team in Alcochete. Provides customer service, product knowledge, and maintains merchandising standards. Must have excellent communication skills in Portuguese and English and be flexible with scheduling.

Sardina Systems seeks a Marketing Manager to manage social media, design visuals, build email campaigns, and coordinate partner initiatives. Requires 2-4 years of marketing experience, email platform proficiency, basic design skills, and strong organizational abilities.

UX Researcher to work across Tether's product portfolio, including consumer apps and developer platforms. Responsibilities include conducting research, identifying UX best practices, and translating findings into actionable recommendations. Requires 5+ years of experience, strong communication skills, and the ability to work in a fast-paced environment. Must have experience with AI tools and be comfortable working with products involving trust, privacy, security, and technical complexity.

Junior Designer to join the Apparel design team in Porto. Develop future collections for physical and online stores.

Quality Assistant to support Quality Management System implementation and monitoring, laboratory operations, and regulatory compliance. Requires a degree in a relevant field, experience in Quality Assurance/Control, and knowledge of GMP, GACP, and ISO standards.

We seek an AI Engineer with practical experience building with AI/LLM technologies and strong Ruby on Rails skills. You will design and build AI-assisted product features, integrating LLM APIs into Ruby on Rails systems and improving system reliability, accuracy, and maintainability.

Operational Analyst to handle daily trade processing and ensure on-time settlement for equities and bonds. Collaborate with counterparties and custodians to resolve issues. Optimize and automate processes, document changes, and participate in stakeholder meetings. Requires 5+ years of financial industry operations experience and 3+ years in settlement back-office activities. Proficient English required.

Lead the creative development of social-first campaigns for beauty brands, transforming brand objectives into engaging content for platforms like TikTok, Instagram Reels, and YouTube Shorts. Own the content creation process from concept to execution and performance evaluation. Elevate community engagement by fostering meaningful conversations and building relationships with audiences.

Senior Integration Developer with 8+ years of experience in integration processes and tools, including 3+ years with Boomi AtomSphere. Leads the design, development, and deployment of integrations, data mapping, API strategy, and incident management.

Experienced Conversion Rate Optimization (CRO) Specialist / A/B Tester needed to plan, execute, and analyze A/B and multivariate tests across e-commerce websites. Responsibilities include identifying conversion opportunities, developing testing strategies, collaborating with design and development teams, and analyzing user behavior using tools like Google Analytics and Hotjar. Must have a minimum of 3 years of experience in CRO, A/B testing, and digital experimentation, with proven experience working with Shopify. Strong analytical and problem-solving skills are required. Applicants must reside outside of Germany.

Senior H&S Technician to prepare, implement, and update site safety plans. Requires 3+ years experience, CAP Occupational Health and Safety Technician (level VI), and knowledge of DL 273/2003. Must have expertise in office 365 tools and strong communication skills.

Design, build, and evolve backend services using .NET. Contribute to system architecture decisions and collaborate with product, architecture, UX, and engineering teams.

The Product Line Controller plans, organizes, and improves financial performance information for each production line. They ensure financial data accuracy in commercial quotations and collaborate with Product Line Managers to achieve desired financial results. The role requires a Bachelor's or Master's degree in a relevant field and 3+ years of experience, preferably in the automotive industry.

Design, implement, and support Identity & Access Management (IAM) solutions for global clients. Configure and customize IAM platforms such as SailPoint, One Identity, Saviynt, ForgeRock, Okta, and Ping Identity. Develop integrations between IAM tools and target systems.

The Regional Service Representative for ATS (auto transfer switches) provides on-site services for ATS & LV (low voltage) products. Responsibilities include commissioning, technical analysis, installation supervision, issue resolution, and troubleshooting. The role requires a thorough understanding of ATS & LV principles and knowledge of electricity. Must be able to work independently and travel extensively across the EU.

Java Developer with a minimum of 5 years of experience. Knowledge of Spring Boot, SQL and NoSQL databases, and Microservices, Cloud, and Container-based architecture is required. Proficiency in English is necessary.

Procurement Support Intern provides hands-on experience in procurement processes, including purchase order processing, supplier onboarding, and contract administration. The role focuses on developing foundational knowledge of procurement operations, ensuring data accuracy, and supporting stakeholders.

Tenthpin Solutions seeks a skilled IT Support Lead Agent to manage Jira Service Management (JSM) operations, coordinate the Level 1 service team, and provide first-line support for clients.

Senior leadership role overseeing strategy, transactions, and team management for a luxury real estate company.

Lead React/TypeScript architecture and design system across multiple products. Define standards, build frameworks, and partner with Product & Design to deliver accessible, high-performance web experiences.