freelance English-speaking jobs in Leiria District

Leads the global travel directive framework, ensuring alignment with business requirements, legal regulations, and operational feasibility. Oversees local country travel directives and drives harmonization with Varian. Analyzes directive deviations and implements changes across affected countries. Collaborates with stakeholders to ensure directive adoption and effective governance.

Spanish-speaking Customer Support Technician needed for automotive technical support via phone, email, and chat. Must have automotive mechanic experience and fluency in Spanish (C1 minimum) and Portuguese (B2-C1 minimum).

Financial Analyst (Accounts Payable) will manage purchase orders, coordinate with vendors, process invoices, and reconcile vendor statements. Requires a Bachelor's Degree in Finance/Accountancy/Business, fluency in English, and experience in Accounts Payable or Purchase to Pay.

Postdoctoral Fellowship in Condensed Matter Physics, Light-Matter Interaction, and Radiative Heat Transfer. The selected researcher will develop analytical and numerical models for near-field radiative heat transfer and thermophotovoltaic (TPV) systems.

Senior Commissioning & Control Systems Engineer will design, integrate, and commission PLC-based control systems for electromechanical environments. Responsibilities include developing control logic, defining system integration requirements, producing documentation, and executing system testing and commissioning. Requires a degree in Systems Engineering or related field, 5+ years' experience in control systems/PLC engineering, and strong expertise in system integration and electromechanical automation.

Leads and participates in a variety of sports and recreation activities onboard cruise ships. Instructs guests in activities such as rock climbing, Flowrider, volleyball, basketball, golf, ping pong, and shuffleboard. Organizes tournaments and promotes sports deck activities. Minimum one year experience as a physical fitness or recreational sports instructor required. Must be 21 years old and fluent in English. Rock climbing and Flowrider instruction experience preferred.

Designs, develops, and maintains software solutions for business and operational environments. Supports IT and OT systems, including troubleshooting and user support. Collaborates on IT and OT projects, ensuring alignment with global standards. Documents solutions, configurations, and project implementations.

Creative Designer / Creative Manager will optimize Amazon listings and create new visuals for A/B testing. Responsibilities include designing Amazon listing images, infographics, and A+ Content. Must have advanced Photoshop skills and experience designing e-commerce visuals.

Leads global engineering organization, defining and executing engineering strategy with AI integration across tooling, delivery, and SDLC. Owns architectural direction of SaaS platforms, focusing on scalability, security, and reliability. Scales infrastructure to support millions of customers and transitions from single-product to multi-product architecture. Establishes and tracks engineering productivity metrics and delivery frameworks, optimizing processes for predictable, high-velocity delivery. Partners with Product leadership to co-own strategic planning and ensure timely delivery of innovative solutions.

Provide customer support in German or Dutch via phone, email, and chat. Assist customers with product-related questions, orders, and general inquiries.

Operates and maintains production infrastructure for data systems including Apache Pulsar, databases, caching, and search. Implements automation for upgrades, migrations, and configuration changes. Develops and maintains Terraform modules and other tooling. Collaborates with backend engineers to provide infrastructure foundations for features.

FP&A Analyst reviews and finalizes financial reports, maintains financial models, and supports management in strategic and financial decisions. Analyzes actual results and forecasts for SV Ops performance, providing variance analysis and insights. Supports cross-functional initiatives such as product costing, footprint projects, and process standardization.

The System Monitoring Technician ensures the continuous availability and performance of IT systems and infrastructure. Using monitoring tools, the technician detects and responds to system alerts, network issues, and hardware/software failures.

Technical Business Analyst will create and deliver solutions addressing business needs through technology integration and automation. Responsibilities include developing technical specifications, collaborating with stakeholders, and ensuring successful solution implementation. Requires experience integrating software applications, designing API specifications, and translating business requirements into technical designs.

The Clinical Research Associate monitors clinical trials on-site and remotely, ensuring subject safety, data integrity, and protocol adherence. Responsibilities include reviewing CRFs, verifying informed consent, and reporting monitoring visit findings.

Application Security Engineer to secure web applications and AWS infrastructure. Embed security in the SDLC, perform code reviews, and analyze application traffic. Experience with AWS security services, container security, and DevSecOps practices required.

Support the monitoring and interpretation of accounting and financial reporting standards in an international environment. Analyze and adjust accounting data, ensuring consistency and reliability of financial information. Collaborate with cross-functional teams to optimize financial monitoring and data quality processes.

DevOps Proxy to bridge clients, development, and infrastructure operations. Set up, deploy, and manage environments and microservices. Support customer environments and provide consulting. Research and experiment with technologies to improve processes. Define deployment stack architecture and oversee release management. Experience with Kubernetes, OpenShift, or similar technologies and a public cloud provider required. Fluent English.

Product Manager to identify, prioritize, and drive AI-powered solutions that improve internal team operations. Build, configure, and test AI tools and workflows, and drive adoption across the organization. Requires product management experience, hands-on AI fluency, and a strong experimental mindset.

Senior Mapping & Localization Engineer will design and implement SLAM pipelines, improve localization robustness, and develop workflows for map alignment and merging. Requires a BS/MS in a related field and 5+ years of experience in robotics, mapping, computer vision, or geospatial systems. Strong skills in SLAM, localization, sensor fusion, geometric optimization, and 3D reconstruction are needed. Experience with GTSAM, Ceres Solver, PCL, OpenCV, ROS, and PROJ is preferred.