ruby English-speaking jobs in Matosinhos

Perform laboratory analyses, including physicochemical, microbiological, and stability analyses, adhering to monitoring plans and NP EN ISO/IEC 17025 standards.

Junior Data Scientist will work with stakeholders to identify opportunities for leveraging data to drive business solutions. Responsibilities include analyzing data to optimize product development, marketing, and business strategies, developing data models and algorithms, and coordinating with teams to implement and monitor model performance.

Senior Brand Designer to own Noxus' visual identity across all touchpoints. Responsibilities include developing and evolving the visual system, creating motion graphics and videos, and designing sales collateral. Requires 5+ years of experience in B2B brand design with a portfolio demonstrating expertise in static, motion, and video. Must be fluent in Figma and Adobe Creative Suite.

Supports the operation, continuous improvement, and transparency of the Group's risk management and internal control environment. Works with stakeholders to ensure consistent risk identification, control execution, and reporting. Maintains risk registers, tracks risk evolution, and prepares management reporting on key risks and mitigation progress. Supports the execution of control self-assessments and contributes to reporting on the effectiveness of the internal control environment. Acts as a point of contact for data requests related to ERM and internal control activities.

You will help find data opportunities and areas to improve our payment intelligence products. You should be comfortable with large data sets, customer data, and machine learning principles. You'll work alongside Product Managers, Engineers and Data Scientists in our two core Payment Intelligence teams to provide critical insights and help drive product direction. You will own and iterate on experiments to generate user insight and drive business metrics. You will act as the bridge between the data, technical and business stakeholders informing strategic plans and will own and evolve a suite of reports designed to give a wide range of stakeholders access insights. You will need to own our understanding of these products and identify insights and opportunities to help us develop new intelligent features.

HR Business Partner supporting the development and implementation of HR programs in Portugal. Drives HR projects, policies, and organizational design initiatives. Collaborates with managers, HR teams, and business units. Requires 3+ years of HR experience, strong analytical skills, and fluency in English and Portuguese. Spanish fluency is desirable.

Senior Full Stack Developer needed to build and maintain features across backend and frontend. Experience with Django, Next.js/TypeScript, Stripe Connect marketplaces, and Linux servers required. Must be comfortable with deployments, server updates, and production support.

Credit & Collections Specialist will manage customer accounts, ensure payment collection, and resolve disputes. Requires fluency in Dutch and English, strong communication skills, and experience in collections or credit management.

Brand Manager to lead the launch and growth of a new Pub Crawl experience brand. Develop brand strategy, execute marketing campaigns, manage social media, and ensure brand consistency. Requires 3-6+ years of experience in Brand, Marketing, or Social Media, fluency in English and Portuguese, and experience in hospitality, events, tourism, or lifestyle brands.

Experienced digital project manager needed for leading SEO agency. Manage SEO campaigns, oversee budgets, and ensure projects are delivered on time and to quality. Strong communication and project management skills required. Fluency in English and Portuguese essential.

Executive Assistant to support the Founder in day-to-day business management. Oversee teams, ensure event execution, and support business development.

Support the operation and troubleshooting of data and ML pipelines in production. Assist in building and maintaining batch and streaming pipelines using Spark/PySpark. Collaborate with engineers in distributed teams to contribute to data and AI solutions using Python, SQL, JSON/YAML, and Git.

Supply Chain Coordinator needed for a medical device manufacturing company. Develop and oversee production planning, material supply schedules, and MRP activities. Manage purchasing activities, negotiate with suppliers, and coordinate import/export logistics.

TeamViewer seeks a Sales Representative to establish and expand business relationships with Dutch customers. Responsibilities include identifying sales opportunities, negotiating contracts, and collaborating with other departments. Fluency in English and Dutch is required, along with sales experience and strong communication skills.

IT Administrator to support a game studio in Lisbon. Provide technical support, manage network infrastructure, and ensure a stable IT environment for developers, artists, and designers. Collaborate with regional and global IT teams. 3+ years of IT administration experience in a creative or technical environment required.

Risk Analyst and Permanent Controller for an international project. Define and promote cybersecurity governance for ITG's Payment Services. Oversee end-to-end cyber risk supervision across multiple sectors. Identify, analyze, and manage risks, including ICT and non-ICT risks.

Leads Sword's Security Operations Center, defining its operating model, SIEM architecture, and incident response capability. Drives an AI- and automation-first transformation of security operations, including SOAR playbooks, LLM-assisted triage, and ML-driven detection. Leads the SOC/CSIRT team, owns SIEM end-to-end, and runs high-severity incident response. Influences security architecture decisions across the company and establishes incident response playbooks and tabletop exercises.

Plan and execute tests and commissioning of HVDC systems, manage a team of commissioning engineers, and ensure compliance with regulations.

Senior Database Administrator with 5+ years of experience in AWS environments. Expertise in AWS RDS, Aurora (PostgreSQL/MySQL), and Redshift.

Product Designer needed to translate briefs into polished UI, ensuring quality within the design system and collaborating with developers. Must have experience delivering production-ready UI, proficiency in Figma, and knowledge of atomic design. Experience designing financial products is preferred.