react English-speaking jobs in Espinho

SAP MM/SD Consultant analyzes business processes, defines needs, and leads ERP implementation projects. Develops and implements SAP solutions, provides user support, and manages licenses and authorizations.

Cybersecurity Project Manager needed for a national project. Develop project plans, coordinate resources, manage budgets and timelines, and monitor progress. Requires a Bachelor's degree, 5+ years cybersecurity experience, 3+ years project management experience, and fluency in English and French.

Leads a team of Process Quality Engineers to implement predictive and preventive quality management at a production plant. Ensures process quality standards are met and drives systemic quality improvement initiatives.

Senior UI/UX Designer to create intuitive, user-centered experiences for AI-driven platforms, mobile apps, and web applications. Lead the design process from concept to developer-ready handoff, working within an existing component system. Collaborate with product managers, engineers, and stakeholders to translate complex requirements into usable designs.

Provide customer support to Russian-speaking users via email and chat, resolving technical issues and ensuring a positive user experience. Must have near-native Russian and minimum B2 English, valid Portuguese residency, and be flexible with a rotating shift schedule.

Senior C++ Engineer will build and optimize high-performance media systems for large-scale streaming platforms. Responsibilities include working with FFmpeg, x264, and video processing pipelines, optimizing encoding performance, and debugging complex media issues.

Provide customer support via phone, email, and live chat in Russian and English. Document interactions and collaborate with international teams. Must be fluent in Russian and have a B1+ English level.

Senior Backend Engineer to design, implement, and maintain scalable backend systems for a consumer dating platform using Kotlin and AWS.

FullStack Developer (React + Node.js) to architect, maintain, and develop scalable backend services and React-based frontend applications.

Digital Analytics Specialist will collaborate with marketing and IT teams to implement and maintain tracking codes in Google Tag Manager. Responsibilities include data analysis, troubleshooting, and providing training on Google Tag Manager best practices. Requires proficiency in Google Tag Manager and Google Analytics, and knowledge of GDPR and data privacy regulations.

Senior C++ Developer needed for a hybrid role in Porto. Develop and maintain software systems for autonomous driving, including in-vehicle platforms and automated driving event logging. Requires 4+ years of C++, Git/GitHub, and Python experience, with automotive experience preferred.

Develop and implement software functionality for wind turbine control systems. Collaborate with team members and stakeholders to improve product performance and address field issues.

Process Engineer to support and optimize manufacturing processes for electronic assemblies, cable harnesses, subassemblies, and final products. Collaborate with cross-functional teams to ensure efficient and reliable operations.

Manages site activation activities including site identification, regulatory and start-up activities, and preparation of clinical trial agreements. Serves as primary point of contact for sites and sponsors, ensuring timely completion of regulatory and contractual documents. Develops and executes contracting strategies and manages site activation performance metrics. Requires a Bachelor's Degree in a scientific discipline or healthcare and 3-5 years of relevant experience.

Supports the security, resilience, and compliance of renewable energy Operational Technology (OT) environments. Develops, maintains, and communicates OT cybersecurity policies, standards, and procedures. Contributes to compliance activities related to OT cybersecurity frameworks and regulations. Supports the design and review of secure OT architectures and participates in the technical evaluation of cybersecurity solutions. Assists in troubleshooting and root cause analysis of OT cybersecurity-related issues. Supports cybersecurity awareness initiatives and participates in drills, workshops, and tabletop exercises.

Provide customer support via live chat and email in Danish and English for a leading cryptocurrency trading platform. Assist users with inquiries, ensure smooth operations, and contribute to continuous service improvement.

Designs, builds, and maintains cloud infrastructure and platform services. Collaborates with product engineering teams to ensure applications are built on a scalable, reliable, and efficient cloud foundation. Leads the design and architecture of cloud platform components for AI and agentic workloads. Evaluates and implements AI-specific cloud services and frameworks. Mentors and coaches engineers on cloud architecture principles and platform best practices.

Head of AI for Finance will identify, shape, and deliver AI-driven value across the Finance function. This role will translate Finance problems into deployable AI solutions, driving end-to-end ownership from idea through production and measurable ROI.

Shape and evolve our company's visual identity as a Brand Designer. Develop scalable design systems, create visual assets, and establish brand guidelines for a cohesive experience across all touchpoints. Collaborate with marketing, product, and leadership teams to translate business objectives into engaging creative solutions.

Develop data science methods for biomedical and optical data analysis. Analyze proprietary datasets to identify patterns and opportunities for improved performance. Design and evaluate validation strategies for noisy, high-dimension data. Collaborate with experimental, hardware, and product teams. Communicate findings to technical and non-technical stakeholders. Contribute to research publications and presentations.