react English-speaking jobs in Espinho

Backend developer to evolve, maintain, and support web-based applications. Experience with Python, Java, REST APIs, and CI/CD workflows required. Strong communication and collaboration skills essential.

Data Engineer with expertise in AWS cloud environments. Proficiency in Python, SQL, Spark, and AWS services like Glue, Redshift, Athena, EMR, S3, and Lambda. Experience with ETL orchestration tools and containerization.

Logistics Technician to support assembly and installation of wave energy converters. Responsibilities include planning shipments, coordinating transport, managing inventory, and preparing shipping documentation. Requires 3-5 years of experience in logistics, supply chain, or procurement. Proficiency in ERP systems and strong communication skills are essential. Fluency in Portuguese and English is required.

Leads a team of UX/UI Designers and UX Architects, managing team performance, budget, and recruitment. Actively participates in design activities, providing guidance and expertise on interaction design, prototyping, and mockups. Ensures team adherence to company processes and best practices while fostering continuous improvement within the UX team.

Manages and implements new systems and changes to existing systems. Communicates results to the organization and clients. Works with sponsors to support and develop business. Maintains documentation and works with developers to create and implement best practices.

Coordinates, maintains, and improves Health & Safety and Environmental management programs. Ensures compliance with regulations and company policies. Conducts investigations, develops and implements management systems, and manages contracts.

Senior Frontend Engineer to build and maintain the frontend experience for bunch's platform. Responsibilities include building applications, collaborating with cross-functional teams, and leading technical decisions. Requires 5+ years of experience building frontend applications, fluency in TypeScript, and deep expertise in React.

The Instituto Pedro Nunes Research Institute is seeking a First Stage Researcher (R1) to support R&D in Computer Engineering. The 6-month fellowship, valued at €1040.98 per month, will focus on developing a module for detecting malicious activities within a participatory platform. The successful candidate will research, design, and develop mechanisms for identifying harmful language patterns and fact-checking, integrating LLMs, sentiment analysis, and state-of-the-art solutions.

Develop and implement patient recruitment, retention, and site engagement strategies. Partner cross-functionally to shape PSCS strategy and lead solution innovation. Present strategy recommendations and insights during client meetings.

Lead and develop engineering teams, setting technical direction and architectural standards for large-scale distributed systems. Manage delivery, performance, and career progression while aligning technical execution with business priorities.

Tech Lead to guide software development, ensuring high-quality, on-time delivery while fostering a culture of excellence. Responsibilities include optimizing development processes, coaching developers, and ensuring modern development standards. Experience with SaaS, cloud-based applications, Python, Nuxt/VueJS, PostgreSQL, and AWS is preferred. Fluency in Portuguese and English required.

Hexagon seeks a Strategic Bid Manager to lead Public Safety bids across EMEA. You will develop bid strategies, coordinate cross-functional teams, and translate technical data into persuasive proposals for emergency services and government agencies. Experience in bidding for Public Safety or Critical Infrastructure is highly desirable.

Mathematics specialist fluent in Portuguese (Portugal) needed to train AI models. Expertise in algebra, calculus, number theory, and other mathematical fields required. Responsibilities include evaluating model performance, documenting errors, and suggesting improvements. Master's or PhD in mathematics or related field preferred.

QA Engineer will test software, applications, and programs to ensure functionality and quality. Responsibilities include automating test cases, identifying quality risks, and collaborating with developers to resolve issues. Requires 5+ years of programming experience, ISTQB certification is a plus, and expertise in Java or C#.

Financial Controller Trainee to assist with data entry, reconciliations, and basic financial processing. Support monthly reporting, budget preparation, and forecast reviews. Requires a university degree in a relevant field, fluency in English, advanced Excel skills, and strong analytical abilities.

Design, develop, and implement software solutions for test and calibration systems, enhancing efficiency and accuracy. Partner with hardware, production, and engineering teams to define testing requirements and ensure seamless integration. Develop and deploy automated test scripts and tools to improve reliability and calibration precision. Provide on-site support and troubleshooting for test and calibration systems.

Manager, CEO's Office will drive ComparaJa's growth by leading teams, developing products, and executing strategy. Must be highly ambitious, proactive, and possess strong communication and organizational skills. Native or near-native Portuguese proficiency required.

Develop and manage sales of value-added ingredients to pharmaceutical and dietary supplement manufacturers in Portugal. Provide technical support to customers, develop sales targets, and analyze sales figures.

Senior Energy Analyst will coordinate R&D and acceleration activities for new energy products and services. Responsibilities include conducting market and technology trend analysis, supporting business proposals, and contributing to project management. Requires 5+ years of experience in energy transition, a Master's or PhD in a relevant field, and fluency in English.

Maintains Quality Management System (QMS) and applies Good Manufacturing Practices (GMP) and Good Distribution Practices (GDP) for medicinal gases and Medical Devices. Provides QMS, GMP, GDP, and Medical Devices training. Evaluates impact of changes on QMS, GMP, GDP, and Medical Devices. Conducts process monitoring, prepares Quality Control Reports and Product Quality Reviews. Ensures internal and external audits are performed. Supports Marketing Authorization process maintenance and ensures regulatory compliance. Monitors applicable legislation and evaluates impact of changes. Acts as Local Vigilance Officer.