react English-speaking jobs in Espinho

Conduct cybersecurity risk assessments, manage vulnerabilities, and perform penetration testing. Collaborate with teams to enhance security. Requires a bachelor's degree in a related field, cybersecurity experience, and fluency in Portuguese and English.

Analog/Mixed-Signal Design Engineer to design high-performance analog-to-digital and digital-to-analog converters.

Leads the Agent Execution Layer within an iGaming white-label ecosystem. Defines how agent intelligence acts and its information access. Designs and ships user-facing and internal/operational agents. Manages the Signal Layer and Agent Execution Layer, ensuring system architecture integrity.

Senior AI Software Engineer will design and implement GenAI platform components enabling intelligent agents and AI-driven user experiences. Responsibilities include architecting backend services, integrating LLMs, defining technical standards, and collaborating with product teams. Requires 5+ years of experience building complex software systems, strong Java and Python skills, and hands-on experience with Generative AI systems.

HR Trainee will monitor training indicators, support operational processes, assist with internal events, and participate in communication projects. Requires a bachelor's or master's degree in HR, Psychology, Sociology, or a related field, intermediate English skills, and proficiency in Google Sheets.

Lead immersive steam and sauna rituals within a wellness sanctuary. Conduct guided steam and sauna sessions, using aromatherapy, heat management, and sound to create experiences. Provide exceptional guest care and maintain operational and wellness standards.

Region Procurement Associate to support the Procurement department. Responsibilities include purchase requests management, reporting, compliance, documentation maintenance, and process optimization. Experience with purchasing, reporting, and analysis is required.

Project Coordinator / Team Assistant to support the Digital Experience team in project coordination, resource management, proposal generation, and administrative tasks.

Senior Growth Marketing Manager will define and lead growth strategies and campaign roadmaps to drive revenue. Responsibilities include demand generation, data-driven optimization, cross-functional collaboration, and brand positioning. Requires 5+ years of B2B marketing experience, strong analytical skills, and experience with ABM platforms.

Provides legal counsel on offboarding, pre-litigation, and litigation matters across EMEA regions. Manages employment tribunals, agency proceedings, and works council consultations. Ensures compliance with regional employment law and statutory due process.

Supports stock-related tasks including deliveries, inventory control, and replenishment. Collaborates with store colleagues to ensure smooth operations and team success. Maintains brand presentation standards in a respectful and inclusive manner. Processes deliveries and transfers accurately and on time. Supports inventory integrity through regular counts and audits. Prioritizes loss prevention and reports concerns promptly. Collaborates with visual merchandising and store management teams to maintain brand presentation and ensure optimal product assortment.

Leads market research, analyzes trends and competitor data, and translates insights into actionable recommendations for business decisions. Collaborates with cross-functional teams to ensure strategies align with market conditions. Manages data, leverages AI and automation, and presents findings through reports and dashboards.

Develop and implement forecasting models for energy markets and renewable production assets. Design communication models between energy production systems and operational platforms. Collaborate with engineering and digital teams to translate business needs into technical solutions.

Senior DevOps Engineer will lead infrastructure migrations, consolidations, and automation for a portfolio of 50+ SaaS products. Responsibilities include diagnosing production outages, authoring root cause analyses, and drafting production changes. Requires advanced AWS knowledge, production-quality coding, and experience managing production databases and infrastructure automation.

Project Manager for Global MarCom Program Office will lead complex international projects, manage global marketing campaigns and product launches, and streamline processes. Requires 5+ years of experience managing complex international projects and proficiency with project management tools.

Senior Technical Support Engineer will investigate and resolve technical issues, manage user access, and provide support for SaaS platforms and collaboration tools. Requires 3+ years of experience in technical support, strong communication skills, and proficiency in ITIL processes and help desk software.

HR Trainee to support talent platforms, providing technical and functional assistance. Responsibilities include resolving support tickets, updating knowledge bases, and collaborating on process improvements.

.NET Core Architect needed with 7+ years of experience. Must have experience with microservices architecture and Azure (AKS, ServiceBus, EventHub, App Services, CI/CD, Application Insights). Knowledge of Docker, SonarQube, and DevSecOps practices is required. Strong written and verbal communication skills in Portuguese and English are essential.

Operations Standards Intern to support the development and standardization of operational manuals across JNcQUOI venues. Will review, update, and create manuals, structure processes, and collaborate with operational teams. Requires a background in hospitality, tourism, or business, strong organizational skills, and fluency in Portuguese and English.

Full Stack Developer to build and integrate LLM-powered features. Develop React components, extend Python backend services, and work with LLM APIs. Requires experience with LLMs, React, Python, and collaboration in overlapping EST hours.