react English-speaking jobs in Espinho

Own messaging and positioning for Circle's AI capabilities, including AI Agents, AI Workflows, and AI Copilot. Drive adoption-focused go-to-market strategies for AI features and create customer education materials. Partner with Product and Engineering to ensure AI messaging is accurate and aligned with customer trust.

Automation Test Engineer will perform functional testing on complex equipment and conveyor systems, conduct software and electrical debugging, and configure machines according to specifications.

The Staffing Specialist (Recruiting Operations) executes day-to-day staffing for assigned teams, partnering with operational leadership and Talent Acquisition. Responsibilities include workforce and backfill management, interview coordination, and process improvement.

Experienced Site Reliability Engineer to design, implement, and maintain scalable cloud-native infrastructure. Requires 4+ years of DevOps/SRE experience, strong Kubernetes expertise, and proficiency in Terraform and at least one major cloud provider. Fluent English required.

Develop and integrate robotics, machine learning, and AI methods for logistics and supply chain applications. Implement deep learning algorithms for vision-based decision-making, motion control, and object manipulation in robots.

Join a high-growth business within a crypto-native company serving traditional financial institutions entering the digital asset space. Support department and business line leads in engaging with clients, refining strategic direction, and collaborating with partners. Conduct primary research and data analysis to support strategic initiatives across FIG and within specific business lines or client segments.

Business Analyst fluent in French and English required. Expertise in SQL, Power BI, Power Query, and DAX for data modeling. Strong problem-solving skills and a passion for data analysis.

Senior Data Engineer will design, maintain, and optimize data workflows using Dagster, dbt, and Python. Responsibilities include data transformation, ingestion, modeling, and ensuring data quality and reliability. Requires 5+ years of experience in data engineering, strong Python and SQL skills, and experience with cloud platforms (AWS, GCP, or Azure).

As an Account Executive focused on the SMB segment, you will drive new business, close deals, and help small and growing companies rethink how they manage compensation and benefits. You will own the full sales cycle from first contact to closing.

Business Analyst with 5+ years of IT experience, including software development (Web, eCommerce, Java, J2EE, .Net) and SDLC/Agile methodologies, needed for cloud migration projects. Must have experience with source control, JIRA, application/infrastructure analysis, and client communication. AWS, Azure, or Google Cloud certification required. Fluent in Portuguese and English.

Develop and implement deep learning methods for robotics applications, including vision-based decision-making, motion control, and object manipulation. Create and test software for robot control in industrial environments. Integrate deep learning models into robotics hardware and software. Conduct research on new deep learning techniques for robotics.

The Customer Care & Operations Coordinator will manage learner care, including inquiry response and tool management. Responsibilities also include co-op management, credential management, and program rule implementation. The role requires customer care and support experience, business systems analysis, and reporting with Power BI and Excel.

Support currency exposure management processes. Monitor multi-currency positions, assist with net currency position calculations, and support operational hedging activities.

Senior Marketing Project Manager (Marketing Operations & Hypotheses Management) will build and operate a transparent marketing operating system. This role focuses on connecting OKRs, hypotheses, tasks, and results into a single workflow, supported by tooling and clear PM ownership. Responsibilities include cascading marketing OKRs into hypotheses and operational tasks, designing a unified task-tracking flow, and taking PM ownership of cross-team technical and analytical initiatives.

Drivers collect high-quality visuals of streets, points of interest, and public spaces using vehicles equipped with 360° cameras and lidars. Data is stored on onboard computers and used to enhance online mapping platforms.

WFM Analyst & Operational Research Specialist to design, implement, and optimize scheduling algorithms using Mosel and operational research techniques. Analyze data, develop models, and present insights to leadership. Requires experience with scheduling algorithms, operational research, SQL, Excel, and programming.

Provides frontline support for application issues, collaborates with finance and IT teams, documents processes, and manages incidents. Requires SQL, UNIX, Ksh/Bash, Dynatrace, Autosys, and Financial Markets knowledge. Fluency in English is necessary.

Provides Health & Safety support, including documentation and compliance. Manages administrative tasks such as orders, invoices, and project scheduling. Requires Level 6 Health & Safety certification and experience with ERP systems.

Tech Apprentice to join Innovation x Intelligence team designing and building data-driven products. Collaborate with data engineers, data scientists, and product development. Support data science projects, product discovery, and development.

Provides expertise and operational support in planning, implementing, and monitoring procurement and financial procedures. Prepares procurement plans, monitoring reports, and supports project managers in procurement, contract, and grant management. Initiates financial operations and interfaces with stakeholders.