freelance English-speaking jobs in Albufeira

Data Scientist to build and deploy machine learning models in production. Requires 3+ years of experience, strong Python skills (NumPy, pandas, scikit-learn, PyTorch or TensorFlow), and experience with data visualization and SQL.

Physics Subject Matter Expert needed for contract role. Develop physics problems for AI, create datasets, and collaborate with AI research teams. PhD in Physics required, specializing in Advanced Quantum Mechanics, Advanced Electrodynamics, or Advanced Classical Mechanics.

HR Admin to join People team on a fixed term contract. Will manage employee inquiries through Jira, coordinate onboarding and offboarding, and maintain HR system accuracy. Requires 3-6 years of HR administration experience and proficiency with HR systems.

Provide customer support via email and phone in German. Assist customers, answer questions, and gather information. Must have excellent German language skills and communication abilities.

Provide Danish-speaking customer support via phone, email, and chat for a cruise line. Assist with bookings, services, and travel information.

Executive Assistant to support the establishment and operation of a new international investment fund office in Lisbon. Responsibilities include office management, executive support, scheduling, accounting, and government/legal liaison.

Senior Software Engineer to design, develop, and maintain VoIP infrastructure using Kamailio and FreeSWITCH. Requires proficiency in at least one programming language, Docker, and Ansible. Experience with SIP, SDP, RTP, and Linux environments is essential.

Lead and mentor a team of engineers developing and operating warehouse services. Guide the evolution of Autodoc's platform toward a scalable microservice architecture using technologies like PHP, Node.js, RabbitMQ, PostgreSQL, Docker, and Google Cloud Platform. Promote best practices and AI-powered development tools to accelerate delivery and maintain high-quality standards.

Identity & Access Management Engineer to design, develop, and support IAM operations. Experience with IAM tools (Sailpoint, IBM Security/Tivoli, One Identity, CA Identity Manager, etc.) and Identity LifeCycle Management required. Strong scripting skills in PowerShell, Bash, Python, and Java. Experience with Web Services APIs REST and SOAP.

Application Support Engineer needed with experience in application support, IT support, or production support. Must have fluency in Portuguese and English, and experience with ticketing tools and ITIL processes.

Staff Software Engineer to lead architecture and delivery of AI-powered product features at Zendesk scale. Provide technical leadership across teams, driving decisions from proposal through to production. Fluent in Ruby, experience with distributed systems, RESTful APIs, and cloud infrastructure (AWS). Proven ability to lead cross-team technical initiatives and mentor engineers. Strong experience with SQL and data infrastructure. Comfort working alongside ML engineers and scientists.

Business Analyst fluent in French and English required. Expertise in SQL, Power BI, Power Query, M Language, and DAX for data modeling. Strong problem-solving skills and a passion for data analysis.

Shapes and implements QHSE strategy for Grid Solutions, ensuring safe and compliant execution of projects. Oversees QHSE organization across multiple countries, embedding health, safety, and environmental requirements into all activities. Collaborates with international teams to ensure operational compliance and develop risk prevention strategies.

Lead pharma software innovation projects from ideation to market launch. Develop business plans, validate market opportunities, and execute growth strategies. Collaborate with cross-functional teams to define MVPs, create roadmaps, and launch prototypes.

Fullstack .NET Developer with 2+ years of experience in .NET, 3+ years in JavaScript (Angular/eUI and KnockoutJS a plus), and 3+ years in SQL Server. Excellent knowledge of .NET 10, .NET Framework (C#), website design, and data management. Strong analytical and communication skills. Remote opportunity.

This role involves general administrative duties, data entry, claims processing, and customer service. Responsibilities include opening claims, preparing payments, responding to inquiries, and preparing reports. The ideal candidate has a background in economics, proficiency in German and English, and strong attention to detail.

Implementation Specialist guides dental practices through onboarding, workflow customization, and training on DentalMonitoring's AI-driven orthodontic solutions. Builds relationships with customers, provides technical support, and influences adoption of new protocols.

Provides administrative support to the Dairy and Delicatessen Category Manager. Responsibilities include analyzing sales data, managing product orders, supporting promotional campaigns, and ensuring supplier communication. Requires a bachelor's degree, proficiency in English, and strong analytical and communication skills.

Senior Software Engineer to design and scale high-performance systems for an Ads platform. Responsibilities include architecting, building, and evolving core systems, designing APIs and services, and driving architectural decisions. Requires 5+ years of experience building scalable systems, strong computer science fundamentals, and experience with distributed system architecture.

Senior Machine Learning Engineer will own and drive adoption of best practices within the Advanced Analytics capability. Collaborate with stakeholders to define data-driven solutions and lead delivery of data science/ML components. Requires a Master's or PhD in a relevant field and 4-6+ years of experience in data science with a focus on problem framing, data preparation, modeling, and production deployment. Strong expertise in data mining, statistical and predictive modeling, and developing machine learning algorithms is essential. Proven experience deploying ML solutions in production, preferably in cloud environments (Azure preferred), and advanced programming skills in Python or R are required.