freelance English-speaking jobs in Guimarães

Senior Data Engineer to build and evolve cloud-based data platforms on Azure. Requires experience with Databricks, PySpark, and Microsoft Fabric. Focus on scalable data architecture, CI/CD, and data pipeline development.

This fixed-term contract role is responsible for managing recruitment activities and supporting HR operational processes. The Specialist Talent Acquisition & HR will manage the recruitment lifecycle, ensure a positive candidate experience, and assist with HR processes such as onboarding and employee records management.

Develop and execute sales strategies to grow market share in France. Identify and develop new business opportunities across target industries. Manage long sales cycles and build relationships with OEMs, suppliers, and integrators.

Provide lifestyle support to adults in a three-way conversation alongside members and an AI assistant. Guide members through movement, nutrition, sleep, and stress management.

Portfolio Reporting & Valuations Associate will support portfolio valuations, reporting processes, and fund operations. The role involves collaborating with investment, finance, and investor relations teams to ensure accuracy and consistency in reporting.

Tonic BI seeks a Sales Account Executive to drive commercial growth of its subscription-based insights and analytics platform for life sciences companies. This role focuses on selling to pharmaceutical clients, requiring 3-5 years of B2B SaaS sales experience in healthcare.

Manage end-to-end procurement activities for engineering and maintenance services. Conduct supplier sourcing, evaluation, and qualification. Lead negotiations for new contracts, renewals, and long-term agreements. Oversee contract extensions, renegotiations, and performance follow-up.

Provide inbound customer support for phone banking, app configuration, and general service inquiries. Present product offerings in a sales-oriented manner. Fluency in German (C1) and English (B2) required.

DevOps Engineer to design, build, and operate containerized and serverless workloads on AWS. Implement infrastructure as code with Terraform and Helm, establish CI/CD pipelines, and provide technical mentorship.

Senior backend engineer to maintain and evolve a production platform supporting AI-powered language services. Responsibilities include building and improving backend services, async workflows, API integrations, and state management. Requires 5+ years of backend engineering experience, strong API and integration experience, and knowledge of async processing, Redis, PostgreSQL, and AWS.

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

Cybersecurity Consultant focused on Application Security to implement and improve application security practices within complex enterprise environments. Responsibilities include performing application security assessments (SAST, DAST, SCA), supporting Secure SDLC initiatives, and collaborating with development teams to mitigate security risks.

Experienced Planner needed for large-scale Data Center project in Portugal. Develop and maintain project schedule, monitor progress, analyze risks, and coordinate with project team.

Bright International School seeks qualified Primary Teachers for Year 4, 5, or 6. Successful candidates will deliver engaging lessons, foster a positive learning environment, and differentiate instruction.

Field Application Specialist to install, train, and provide troubleshooting support for Siemens Healthineers diagnostic instruments. Responsibilities include customer training, issue resolution, and product performance evaluation. Requires a Master's degree in a relevant field and 3+ years of experience. Must have excellent communication skills, a proactive approach, and fluency in English. Valid driver's license and willingness to travel are required.

Senior Data Analyst to analyze historical data, develop Python algorithms, and collaborate with teams to embed data insights. Requires 5+ years of experience, strong Python skills (Pandas, Matplotlib, PySpark), and experience with structured and unstructured data.

Medical Science Liaison to engage key opinion leaders in Immunology (respiratory focus), translating scientific insights into actionable solutions for patients. Collaborates in medical program development and implementation, addressing issues hindering optimal patient care.

Aubay Portugal seeks an Application Support professional with 4+ years of experience in Mainframe Z/OS operational and application support. Requires proficiency in IBM z/OS environments, job scheduling tools (TWS, Control-M), and experience with incident management, batch processing, and file transfer monitoring. Fluency in English is mandatory.

Junior Financial Controller to support budget, forecast, and reporting processes for global markets. Requires 2-3 years of experience in accounting, finance, or related field, proficiency in Excel, and fluency in English and Spanish.

Provide Dutch-speaking customer support via phone, email, and chat. Assist with account and platform questions, technical issues, and ensure customer satisfaction.