react English-speaking jobs in Espinho

Thoth AI seeks detail-oriented STEM graduates to train vision-language models. Label scientific content from images into structured LaTeX code. Must be proficient in LaTeX and have native fluency in Spanish, Indonesian, or Portuguese.

Lead the digital transformation and continuous improvement of HR Global Business Services across the Körber Group. Drive initiatives to enhance efficiency, scalability, and user experience of HR processes. Manage and develop the HR Operational Excellence team, leading and supporting strategic HR Shared Services projects.

Provides comprehensive accounting services to international legal entities within a Global Shared Service Center. Manages financial records, ensures compliance with IFRS and local GAAP, and prepares financial statements.

IT Project Manager will collaborate with Business Units to define, prioritize, and develop projects. Manage project plans, budgets, risks, and resources. Ensure project success and adherence to quality control methodologies.

Retail Manager to lead and coach District Managers across 50 stores in Spain and Portugal. Develop and motivate teams to achieve key performance indicators while ensuring consistent execution of concepts and procedures.

Senior iOS Engineer to design, build, and ship features for a popular social media platform. Experience with Swift, Objective-C, and software engineering best practices required. Must have 5+ years of experience developing user-facing iOS applications at scale.

Customer Service Specialist needed for a global financial technology company. Provide customer support and collections assistance in Dutch (C2) and English (B2). Responsibilities include handling calls, negotiating payments, and resolving account inquiries. Previous customer service experience is required.

Business Analyst to drive results across ventures and initiatives. Responsibilities will evolve and grow. Seeking a highly ambitious, proactive, and results-oriented individual with strong analytical skills and the ability to collaborate effectively. Must be fluent in English and either Portuguese or Danish.

Customer Success Manager will drive adoption, satisfaction, and value delivery for DQE solutions. Responsibilities include managing a portfolio of large accounts, defining success objectives, coordinating deployment plans, and monitoring customer health indicators.

Atlean World is an innovative HR SaaS Consultant dedicated to fostering multicultural work environments. We specialize in multilingual markets to streamline the recruitment process and enhance candidate experiences. Your Next Job, Without Boundaries! 🌍 We are currently seeking a Crioulo Interpreter with strong English skills to join our dynamic team.

IT Internal Auditor to join a team focused on financial services, technology, and data analytics. Responsibilities include preparing audit work papers, collaborating with the team, and assessing controls for compliance. Requires a Bachelor's degree, proficiency in MS Office, and fluency in English. Portuguese is desirable.

Senior DevOps/Infrastructure Engineer to own complex initiatives end-to-end, drive collaboration, and set a high bar for infrastructure development and operation. Experience with HPC clusters, AWS, Terraform, and Linux is required.

Mechanical Engineer will design sub-assemblies, analyze designs, and mitigate risks. Requires a Bachelor's Degree in Mechanical Engineering or related field and 3-5 years of experience.

About Glanua Glanua is an industry leader in providing innovative and sustainable engineering solutions to design, build, operate and maintain critical water and wastewater infrastructure across Ireland and the UK.

This entry-level role is for newly graduated engineers with no prior professional experience. The Junior Agentic Engineer will participate in a 3-month training program focused on agentic AI tools and AI-assisted delivery practices. After training, they will be embedded into project teams, configuring and adapting agentic workflows, automating tasks, and sharing best practices.

Lead the user experience for a key digital product, overseeing the entire UX process from planning to execution. Define success metrics, manage stakeholders, and collaborate with designers and development teams. Solid background in UX/UI processes, research, and design thinking required. Proficiency in Figma is essential.

Junior Data Excellence Strategist will research and validate public procurement data sources, monitor tender publications, and collect, organize, and structure data. The role requires strong analytical thinking, research capabilities, and data quality ownership.

Team Lead will scale profitable campaigns across multiple geos and verticals, own significant budgets, and lead a team of mediabuyers. Responsibilities include campaign performance optimization, developing media buying strategies, and driving process improvements. Requires 4-6+ years in media buying, proven track record managing high-spend campaigns, and experience leading or mentoring a team.

Performance Engineer to join a team specializing in performance testing across diverse technologies. Responsibilities include migrating existing LoadRunner tests to NeoLoad, creating new scripts, analyzing test results, and collaborating with project teams. Requires 5+ years of performance testing experience, strong NeoLoad skills, and familiarity with LoadRunner and web application operations.

Strategic Programme Manager will lead cross-functional projects for implementation of new commercial processes, including AI workflows. Responsibilities include defining strategic initiatives, building business cases, and communicating recommendations to senior management. Requires 3+ years of experience in a Programme Manager or Strategy & Operations role with experience managing teams and complex, multi-location programs.