freelance English-speaking jobs in Albufeira

Performs qualitative and quantitative analyses of compounds, including drug substances, drug product intermediates, and drug products. Recommends the analytical characterization package and controls the quality and accuracy of data in compliance with legislation and regulatory standards. Promotes scientific excellence and innovation in the Analytical area.

Senior QA Engineer to perform manual testing of web applications and validate AI-generated outputs. Design and execute test cases across UI, API, and AI behavior scenarios using TestRail, Postman, and JIRA. Evaluate model quality metrics and ensure accuracy, completeness, and alignment across prompt-response workflows.

HR Data & Operations Specialist supporting employees and managers across countries. Provides HR support, manages HR systems, and assists with onboarding, mobility, and day-to-day processes. Fluency in French is required.

QA Intermediate to develop and operationalize test acceptance criteria, ensuring testing of all customer requirements and management of detected errors.

Full-stack engineer to design, develop, and maintain Riskified's Control center app. Responsibilities include architecture development, production system management, and collaboration with other teams. Requires 3+ years of full-stack coding experience, Node.js proficiency, and strong CI/CD knowledge.

Provide technical support via phone and email to Nox Medical customers using diagnostic hardware and software. Resolve technical issues, communicate product performance information, and collaborate with teams to elevate complex support cases.

We are seeking ambitious entrepreneurs to build and scale AI startups. You will own your startup, receive personalized development support, and benefit from access to a network of top founders, investors, and talent.

Develop and operate the backend of the EnBW mobility+ App using Java and Spring Boot. Deliver across the SDLC with a focus on test-driven development and production stability. Mentor developers on engineering best practices and testing.

Provide group-wide technical support via ticket system, on-site, or telephone. Support users with applications like Microsoft 365, VPN, VMware Horizon, and MDM on Windows, macOS, Android, and iOS. Identify process improvements and maintain IT warehouse and device lifecycle.

Leads the Gaming, Platform, and Publishing Analytics function, partnering with cross-functional teams to drive data-informed decision-making and operational excellence. Accountable for leading a team of product analysts, business analysts, and analytics engineers. Oversees the design and delivery of key gaming and publishing dashboards and reports. Champion best practices in experimentation, measurement, and performance analytics.

Real Time / Workforce Management (WFM) Specialist to drive operational excellence through real-time monitoring and intraday workforce control. Ensures service level performance, queue health, and schedule adherence across multiple inbound channels.

Mid-Level Product Designer to join the Product Design team on a full-time, fixed-term contract. Work with Product, Engineering and stakeholders to shape user-centered solutions. Create user flows, wireframes, prototypes and UI designs. Support active product initiatives from discovery through to delivery.

Drives product initiatives and solves customer problems for the Requirements Portal, a part of Altium's engineering platform. Translates product strategy into execution, defines priorities, and identifies risks. Develops a deep understanding of customer workflows and challenges, frames problems, and validates direction. Leads cross-functional execution to deliver high-quality solutions and continuously raises the bar on product quality.

Mainframe Analyst Developer needed for development, maintenance, and optimization of business applications. Experience with COBOL, DB2, JCL, TSO/ISPF, and EOS required.

Clinical Development Manager will drive the Medical Affairs Clinical Development (MACD) Program globally, identifying training needs, developing courses, and building relationships with partners. Requires an advanced degree in Clinical Medical Physics, 3-5+ years clinical radiotherapy experience, and strong Eclipse, clinical delivery, and education backgrounds.

Principal Data Scientist will work across functions to solve business needs. Translate client requirements into solutions, ideate and develop product innovations, and define and own the roadmap for R&D and prototyping. Build statistical and analytical models, including ML/AI approaches, and document solutions and experimentation.

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

Designs, builds, and fine-tunes AI/ML and GenAI models for automation workflows. Develops agentic AI components for telecom environments. Integrates AI models into closed-loop automation pipelines and orchestrates event-driven actions. Builds and operates MLOps pipelines for model deployment, monitoring, and retraining.

Develops transformative AI use cases, drives end-to-end product development, and scouts external technologies. Leads product initiatives in collaboration with business units, corporate functions, and external partners. Prepares commercial business impact estimates and acts as a key service contact for Linde departments on AI use-case topics.

Performance Management Expert needed to design and own a continuous performance management system for a 38-person team. The system will utilize data from various sources, automate grading across three axes (results, skills and AI leverage, teamwork), and provide individual and team dashboards.