ruby English-speaking jobs in Matosinhos

The Sustainability Technician will ensure compliance with sustainability regulations and ISO 14001 standards. Responsibilities include coordinating sustainability activities, managing KPIs, conducting audits, and collaborating with authorities. Requires a Bachelor's degree in Environmental Engineering, fluency in Portuguese and English, and 2+ years of experience.

Provide outstanding customer service and beauty advice to German-speaking customers via live chat, phone, email, and social media. Offer product and beauty expertise, handle inquiries and complaints, and address GDPR-related concerns.

Project Manager to coordinate Visa and Mastercard payment system initiatives, including memberships, certifications, and operational support. Requires 3+ years of project management experience, strong understanding of Visa/Mastercard systems, and proven experience delivering acquiring platform projects.

BlackBox Strategies seeks a senior Email & CRM Marketing Specialist to own outbound and lifecycle messaging for B2B and B2C audiences. This role requires hands-on experience executing email and CRM campaigns, understanding deliverability, segmentation, and channel tradeoffs. The ideal candidate will collaborate with leadership and the Social Media Manager to align messaging and timing.

The Product Owner for the AI Apps Team will translate product initiatives into detailed requirements, maintain and prioritize backlogs, and partner with engineering, UX, QA, project management, and product leadership to ensure successful delivery of customer-facing AI capabilities across Intermedia products.

Lead a cross-functional team developing a payment integration platform using Node.js & React. Design, implement, and maintain robust, scalable, and secure solutions. Collaborate with product managers, designers, and stakeholders.

Creative Strategist will develop high-converting assets for a DTC supplements brand targeting women aged 35-65. Responsibilities include conducting visual research, executing creative testing, planning for the customer journey, and optimizing conversion levers. Requires 5+ years of experience in creative DTC advertising, A/B testing, and a strong portfolio showcasing design and video editing capabilities.

Oversee feasibility studies, collaborate on site and country list development, and ensure data accuracy. Analyze project statuses, identify risks, and manage feasibility systems. Provide training and mentorship to staff. Lead standalone feasibility services, including research, data collection, and reporting.

Field Technician needed for hardware and software support. Experience with server installation, upgrades, and maintenance required. Knowledge of HPE ProLiant, Dell, and Sun servers is essential. Responsibilities include on-site incident response, installations, and preventive maintenance.

Native European Portuguese voice talent sought for AI voice cloning project. Record scripts, prompts, and conversations to develop a high-quality AI model. Must have a clear, consistent, and professional speaking voice.

Manage international accounts across Europe, onboard new suppliers, and develop strategic relationships. Support supplier sales and operational KPIs. Requires sales experience, negotiation skills, data analysis, and fluency in Portuguese and French.

Senior Fitness Instructor will manage wellness areas, coordinate fitness services, and provide instruction in private and group settings. Requires a minimum of 5 years of experience in a similar role, a recognized Sports Science degree, and proficiency in MS Office. Must have excellent command of English and be highly proactive with strong organizational skills.

Provides secretarial and administrative support to employees. Manages files, records, calendars, and correspondence. Arranges travel, coordinates meetings, and tracks expenses. Prepares reports, documents, and presentations using software applications. Troubleshoots administrative problems and acts as a key user for area-specific tools. Requires 3-5 years of administrative experience and fluency in English.

Quality Analyst Integration to work on a project in Porto (hybrid model). Collaborate with Business Analysts to ensure business requirements are accurately reflected in test plans and cases. Provide feedback on potential integration issues. Proficiency in Python, Linux, and effective time management are required. Minimum 3 years of experience testing back-end/middleware systems.

Edge AI Product Marketing Manager will translate complex AI and edge computing technologies into customer-facing value. Responsibilities include developing sales assets, leading technical proposal development, and providing product training. Requires an MSc in Engineering, 8+ years of experience in technical product management, and deep understanding of AI inference workloads.

Data Scientist supporting clients in solving complex problems through data analysis, process optimization, and AI model development. Leads digital transformation projects, workshops, and builds data and AI capabilities for clients.

Full Stack Engineer will integrate Cloudwize's Cloud Cybersecurity engines into DoiT Cloud Intelligence. Responsibilities include implementing features, reviewing code, and collaborating with backend engineers to design and extend APIs. Requires 3+ years of experience as a Full Stack Engineer, strong proficiency in React, and experience designing and consuming RESTful and GraphQL APIs.

Cloudflare seeks a Data Scientist to join the FinTech Data Science team. You will apply statistical analyses and ML models to large datasets to solve Billing and Fraud challenges. Responsibilities include leading the design and implementation of ML models to detect financial anomalies and fraud risks, leveraging AI and NLP to mine unstructured data, and managing the full lifecycle of models.

QA Engineer needed with 3+ years of experience testing Cobol, frontend, backend, and APIs. Experience with Gherkin, Jira, Confluence, SQL, and CI/CD required. Good English (min B1) also required.

Regional Payroll Specialist will support European payroll operations by coordinating and processing payroll activities across assigned countries. Requires 3+ years of multi-country payroll experience, ideally within a fast-paced or multi-client environment. Practical experience processing payroll in France and Germany is required.