react English-speaking jobs in Espinho

Freelance Recruiters & Headhunters sought for long-term partnerships. Work on senior-level, specialist roles across private sector enterprises, scale-ups, EU programs, and international organizations. Must have a strong professional network and experience in executive search.

The 2nd Engineer reports to the 1st Engineer/Chief Engineer and executes engine room watches. Responsibilities include overseeing engine operation, maintenance, and repairs, ensuring machinery functionality, and adhering to safety procedures. Must be familiar with various ship systems and equipment, including engines, boilers, steering gear, and HVAC.

Senior React Native Developer to design, develop, and maintain a high-performance OTT mobile application for Android and iOS. Requires 5+ years of experience building video streaming mobile apps using React Native, TypeScript, and Redux.

Leads global SEO strategy and organic growth for sports, casino, and betting brands. Manages a team of 80+ SEOs, owns budgets, and integrates AI-driven content systems. Requires 7+ years of SEO experience, technical SEO expertise, and P&L ownership.

Postdoctoral fellowship in Microbiology & Molecular Biology at iBET. Requires PhD in Microbiology, Molecular Biology, or similar, obtained within the last 3 years. Solid knowledge of conventional microbiology and advanced molecular biology techniques are essential.

Supports Airbus' Risk and Compliance Systems Department in fulfilling its roles and responsibilities. Collaborates with stakeholders in Compliance, Internal Controls, and Finance Operations. Deploys controls on business flows of Airbus entities worldwide and supports audits/internal control reviews.

The Communication Specialist executes Air Liquide Global Business Services' internal communications strategy, focusing on building a One GBS culture. Responsibilities include developing and maintaining communication tools, managing the online employee community, and handling HR and stakeholder communication.

The Instituto Português de Oncologia do Porto Francisco Gentil is seeking a technician for a 12-month unfixed-term contract. The position supports research on the influence of triple negative breast cancer secretome in bone pre-metastatic reprogramming. Applicants must have a Bachelor's degree in Biochemistry/Biology or a related field, fluency in English and Portuguese, and documented experience in breast cancer bone metastasis research, extracellular vesicles, and molecular biology techniques.

Embedded Software Development Intern will contribute to firmware development, testing, and integration for real-world applications. Work on projects including device tree configuration, middleware development, and sensor data visualization.

Senior Site Reliability Engineer will design, implement, and maintain reliable, scalable, and performant infrastructure and services. Responsibilities include developing and maintaining infrastructure as code, collaborating with development teams, and troubleshooting complex technical issues.

Senior Software Engineer to design and develop high-performance backend applications and APIs for a leading e-commerce company. Requires 6+ years of experience in .NET Core, Microservices Architecture, NoSQL databases, and cloud-native development.

Guide and support Agile teams to deliver value effectively and efficiently. Facilitate Scrum ceremonies, remove impediments, and promote continuous improvement.

Marketing Intern will assist in developing and executing marketing strategies to increase brand awareness and drive revenue. Responsibilities include content creation, social media management, digital marketing support, public relations, and brand standard adherence.

The University of Aveiro is seeking a First Level Doctorate Researcher in Chemistry to conduct research in green chemistry and microfluidics, focusing on the application of vegetal biomass in regenerative medicine. The position is funded by the Operational Program of the CICECO - Aveiro Institute of Materials and the Foundation for Science and Technology. Applicants must hold a doctorate degree in Chemistry and demonstrate a strong scientific and professional profile.

Post-doctoral research scholarship in hydraulic transients, hydropower analysis, and pumped-storage. Requires PhD in Hydraulic Engineering, Mechanical Engineering, or related field with expertise in fluid mechanics, hydrodynamics, and energy conversion processes.

Defines and leads the enterprise-wide Application Security and SSDLC strategy, including short, mid, and long-term goals. Evaluates, recommends, and supports the rollout of AppSec tools and collaborates with platform and DevOps teams. Works closely with the Associate Director of Group Enterprise Security and other domain leads to align strategies. Drives Flutter’s brands towards an advanced security posture.

Gain hands-on experience in project management, data problem-solving, and process improvement within finance. Develop existing processes, explore automation, and contribute to continuous improvement.

Research fellowship to carry out numerical and physical modelling studies assessing agitation, stability, overtopping, and pressures on maritime structures. The work will also assess ship behavior in ports and the impact of climate change.

Provide customer support via phone, email, and social media, resolving inquiries and requests. Must be fluent in French and English, possess strong communication skills, and demonstrate a friendly and helpful demeanor.

Provides customer support for orders and products, collaborates with internal and external departments on order-related issues, and manages order book processes. Supports Account Operations teams during the implementation of a new SAP S4 system.