react English-speaking jobs in Sines

Develop, drive, and own the global cross-functional reporting & BI landscape at Beyond Gravity. Lead the roll-out of Power BI as the company's new reporting tool. Actively collect, transform, and validate financial and non-financial data to drive insights and decision-making. Develop and implement a roadmap for global reporting & BI initiatives. Collaborate with managers from all areas of the company to ensure alignment of technical and business goals.

As a Sales Assistant, you will greet customers, maintain store appearance, and assist with warehouse tasks. You will advise customers, help them find shoes, and ensure a positive shopping experience.

The Seamless Travel Senior Solution Architect designs, tailors, and delivers technical solutions for European airport customers. The role involves customer engagement, solution architecture, cloud and network design, security implementation, and operational support.

Experienced Project Manager needed for a global initiative to onboard applications to an IGA platform and implement access reconciliation processes. Requires expertise in IAM/IGA solutions, stakeholder management, and reporting.

Senior .NET Backend Developer to design, develop, and maintain applications using the .NET framework and microservices architecture.

Full-Stack Developer sought for remote work in Portugal. Requires 5+ years experience in full-stack development, backend proficiency in Python, Java, or .NET, and strong JavaScript/TypeScript, Node.js, and front-end framework skills (React, Next.js, or Angular). Experience with microservices, messaging systems, cloud platforms, Docker/Kubernetes, CI/CD, databases, and testing frameworks is essential. Familiarity with AI/LLM integration is a plus.

Provide expert support to German-speaking customers and healthcare professionals regarding medical devices. Handle inbound contacts, offer guidance on product usage and troubleshooting, and escalate complex issues.

Senior Software Engineer specializing in TypeScript and AI to build browser automations for SaaS integrations. Develop and maintain integrations using Playwright and build browser extensions. Experience with IaC and multiple programming languages is required.

Category Manager to develop and deliver category strategies, lead supplier relationships, and ensure effective execution across the retail network.

Provide customer support via live chat and email for a fast-growing fintech/crypto trading platform. Must have minimum B2/C1 English and C1 level in Finnish, Norwegian, Swedish, Danish, or Czech. Previous customer service experience in a contact center environment is required.

Production Manager to lead photo editing team, ensuring high-quality headshots and consistent visual standards. Experience in photo retouching, team management, and workflow optimization required.

As a Solution Engineer, you will collaborate with the Sales team, demonstrating technical expertise and business knowledge throughout the sales cycle. You will conduct technical discovery and qualification, deliver product demonstrations, and lead Proof of Concepts (PoCs). You will map technical solutions to business value, ensuring customers understand the real-world benefits of the MuleSoft Platform.

Leads and scales operational activities to ensure consistent delivery excellence and customer satisfaction. Manages projects, defines operational processes, and builds/manages teams. Requires 4+ years experience in operations or program management, preferably in aerospace, defense, robotics, or deep tech.

Manages and elevates butler service standards across a fleet of luxury vessels. Drives consistent, personalized service delivery and strengthens butler team capabilities. Provides training, feedback, and support to ensure high-quality service.

BIMMS is hiring Electrical Engineers with an Integrated Master's degree in Electrical Engineering for Critical Infrastructure Facilities, Buildings, and Modular Construction. Must have strong BIM knowledge, technical analysis skills, and advanced English proficiency.

.NET Developer to work remotely on enterprise SaaS application. Experience with .NET, Azure, SQL, Angular, Blazor, and Agile development required. Must be a self-starter with excellent communication skills.

Senior Clinical Data Manager leads full cycle of Clinical Data Management queries for sponsor-dedicated projects. Provides leadership, oversight, and expertise in strategic planning and delivery of CDM deliverables. Requires 8+ years of combined early/late-stage DM experience, 2+ years sponsor management, and 2+ years technical mentoring.

Design, develop, and maintain web applications using .NET and Angular. Write clean, scalable, and efficient code in C#/.NET. Develop new front-end interfaces and improve existing features using Angular. Collaborate with cross-functional teams to define requirements, design solutions, and deliver new features. Troubleshoot and resolve issues across development, test, and production environments. Contribute to architectural discussions and ensure best practices in performance, security, and maintainability. Stay current with the latest technologies and continuously improve development processes.

Argon Group seeks a Junior Designer to ensure consistent visual identity across its brands (BARPA, Arvi, and Argon Group). Responsibilities include creating and updating digital and print materials, supporting website management, and collaborating with internal teams. Requires a design degree, proficiency in Adobe tools, and fluency in English.

Construction Project Manager supports the Head of Construction in executing and controlling projects. Responsibilities include design phase coordination, technical review, tender support, site execution, and project control. Requires a civil engineering background, 1-4 years of experience, fluency in Portuguese and English, and strong organizational and interpersonal skills.