react English-speaking jobs in Espinho

Analyze web and mobile applications to uncover hidden mechanisms and bypass advanced security protocols. Develop and improve tools to extract data while staying ahead of evolving defenses.

The Plant Manager will oversee daily plant operations, manage supply chain and production planning, and ensure the efficiency of manufacturing processes.

Senior Analog/Mixed-Signal Design Engineer specializing in high-performance ADC and DAC converters. Designs transistor-level circuits from specification to production, including silicon evaluation and characterization. Requires 5+ years of experience in high-performance analog or mixed-signal IC development and proficiency in Cadence tools.

Process Engineer Trainee will plan and design manufacturing processes, ensuring compliance with cGMP, HSE regulations, and internal policies. Responsibilities include preparing process documentation, participating in risk assessments, and providing training to operational team members.

As a Senior Data Engineer, you will design, develop, and maintain data platforms supporting risk analytics, reporting, and business intelligence. Responsibilities include building ETL/ELT pipelines, translating business requirements into data solutions, and implementing data models and architectures. You will also contribute to the evolution of BI platforms, ensure data quality and governance, and provide technical leadership.

The Manager, Accounting Controls will oversee accounting operations, ensure financial governance, and lead a team in a fully remote environment. Responsibilities include managing the month-end close process, overseeing accounting operations, mentoring a team of accountants, and collaborating with external partners. The ideal candidate will have fluency in English and Spanish, post-qualified accounting experience, and experience with SAP or comparable ERP systems.

Lead Battery Project Manager will own the full lifecycle of battery energy storage systems (BESS) at charging stations, from design to operations. Responsibilities include technical specifications, deployment, commissioning, monitoring, and performance optimization. The role requires 5-8 years of hands-on experience with BESS, strong electrical engineering background, and familiarity with grid interconnection and energy markets.

Senior Software Engineer (AI) will embed within product teams to deliver AI-powered features. Responsibilities include writing production code, running workshops, and establishing best practices for testing AI systems. Requires 4+ years of C#/.NET Core experience, AI agent/automation experience, and a passion for teaching.

The Brand Activation Manager for Denture Appliance Care supports the development and execution of brand plans, ensuring strong in-market activation and delivery of business objectives. This role involves monitoring brand performance, developing marketing plans, leading campaign execution, and managing external agencies.

Design, develop, and maintain complex data pipelines and ETL processes. Implement and optimize data models with a focus on star schema architecture. Provide technical guidance to a team of Data Engineers.

The AR Specialist supports day-to-day Accounts Receivable operations, conducts process activities, and assists with issue resolution. Responsibilities include invoice processing, credit checks, bank statement processing, and customer master data maintenance. Minimum 2 years of accounting experience and a Bachelor's degree in Accounting, Finance, or a related field are required. Strong written and oral English communication skills are essential.

Develop, integrate, and implement humanoid robotics solutions for industrial applications. Contribute to proof-of-concept design and execution, focusing on validation and scalability. Collaborate with internal and external stakeholders to align robotic solutions with industrial processes.

Senior/Principal Engineer to design and build AI-driven sensing systems for Smart Cities and IoT platforms. Responsibilities include designing, implementing, and evolving AI-enabled sensing systems, building and integrating AI/ML models, and developing production-grade software services and applications. Requires 8+ years of software engineering experience, strong skills in .NET, Python, Angular/TypeScript, and experience with databases, Docker, and CI/CD.

Develop and maintain SAP ABAP solutions in complex business environments. Translate functional requirements into technical solutions, build reports, interfaces, and custom developments. Provide bug fixing, production support, and performance optimization.

Partner Account Manager will own and grow relationships with Business Partners in Portugal's Small Market segment. Responsibilities include driving partner performance, accelerating revenue growth, and ensuring partners are aligned with Sage's strategy. Must have experience managing Business Partners, resellers, or indirect sales channels and B2B sales experience within SMB environments.

Provides customer service and support through chat, email, and social media. Resolves customer issues and offers product information. Requires prior customer service or sales experience and strong communication skills.

Supports the Automation Factory, a cross-divisional team delivering and managing software robots and AI Agents for Procurement functions globally. Analyzes automation ideas, prepares process requirements, and manages user stories. Acts as Scrum Master and supports change management activities.

Provide German-speaking customer support via phone, email, and chat for a global brand. Assist with product questions, orders, and general inquiries. Collaborate with colleagues to resolve cases and ensure customer satisfaction.

Senior Python Developer needed for a hybrid project in Porto. Requires a Master's degree, 5+ years of data-oriented development experience, and strong Python skills. Fluency in English and French is a plus.

Associate Analytics Strategy Lead will shape clinical study strategies, translate data into actionable insights, and present recommendations to clients and internal stakeholders.