freelance English-speaking jobs in Estremoz

Manages day-to-day Order to Cash (OtC) processes for multiple corporate entities, ensuring timely and accurate account monitoring and customer service. Creates reports, analyzes data, and resolves customer inquiries. Reconciles statements, researches discrepancies, and collaborates with the Collection team.

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 Machine Learning Engineer to design, build, and operate production ML systems for underwriting, fraud detection, and risk assessment.

Systems Engineer needed to analyze customer needs, develop system requirements, and troubleshoot hardware, software, and system problems. Requires a degree in Electronic, Communications, or Telecommunications Engineering and experience in design documentation. Senior roles require network certifications and experience with virtual and hyperconverged infrastructure.

The Mecwide Group seeks a Project cost control and budgeting professional for their Technical Assistance Business Unit in Lisbon. Responsibilities include resource budget preparation and control, project cost control and invoicing, workforce planning, and support for tender and proposal preparation.

Defines and implements pricing strategy for Family Segment offers, including fixed, convergent, and post-paid mobile voice. Monitors market trends, proposes new offers and campaigns, and collaborates with stakeholders to manage offer implementation. Requires a Master's degree in a relevant field, proven experience in a similar role, and proficiency in Portuguese and English.

Cybersecurity Project Manager needed with Bachelor's degree in IT, Computer Engineering, or related field and 5+ years of experience in Cybersecurity Project Management. Strong knowledge of IAM, vulnerabilities, risk management, information security, and cloud security required.

QA Automation Engineer needed for international Telco project. 3+ years experience building and improving test frameworks, automating across backend infrastructure, web applications, and REST APIs. Proficiency in Python, Selenium, Robot Framework, Jenkins, Git, Docker, and Terraform/Ansible required. Strong collaboration and communication skills.

Dellent seeks a DBA Oracle with +3 years experience in Oracle 11g, 12c, and/or 19c. Must have solid debugging and troubleshooting skills and experience with Oracle RAC, Single Instance, RMAN, and Dataguard. MS-SQL, MySQL, Sybase, and/or Hadoop experience is a plus. Fluent in Portuguese and English required.

Sales or Customer Service Representative will answer customer queries, identify solutions, and ensure high satisfaction. Must be a native Dutch speaker with at least B2 English, possess excellent communication skills, and be a team player.

Campaign Manager to plan and execute marketing campaigns for user acquisition, retention, and referral growth. Analyze data and user behavior to optimize campaigns and drive product adoption. Minimum 3 years of experience in digital marketing, growth, or campaign management required. Proficiency in English is mandatory, Spanish and Portuguese fluency is desirable.

UNU-EGOV seeks two Junior Research Consultants to support digital transformation and public sector innovation projects. Responsibilities include research, analysis, report writing, project support, and stakeholder engagement. Candidates should have a master's degree in a relevant field and strong English skills.

As a Receptionist, you will manage guest check-in and check-out, handle room allocation, and address guest requests and inquiries. You will also provide information about hotel services, local attractions, and special events.

Expert Product Designer will own and optimize the web-based member enrollment experience, focusing on conversion, usability, and accessibility. Collaborate with a team to translate data insights and user feedback into design improvements.

Software Test Engineer will ensure functional verification of changes, including regression testing, for the 360T platform. Responsibilities include developing test suites, test cases, and contributing to quality assurance initiatives. Requires 5+ years of QA experience, proficiency in test management tools, and knowledge of APIs, version control, and CI/CD tools.

Provide expert phone, email, and chat support to French-speaking customers regarding payment processing, account queries, and technical troubleshooting. Analyze and resolve issues related to transactions, billing, and account security. Act as a liaison between customers and the technical team, providing feedback to improve the payment platform.

Clinical Data Manager will prepare, conduct, and complete Clinical Data Management tasks on assigned Study Teams. Responsibilities include reviewing study protocols, developing CRFs, and defining edit checks. Requires a Bachelor's Degree and 2+ years of relevant experience.

Provides strategic and analytical support for portfolio optimization and product launches. Analyzes product performance, identifies gaps and opportunities, and supports cross-functional launch readiness plans. Collaborates with internal stakeholders to ensure alignment on launch strategies. Conducts competitive benchmarking and supports product forecasts.

Night Auditor needed for a new 16-villa resort in Comporta, opening in Q2 2026. Responsibilities include end-of-day financial procedures, guest support during the night shift, and maintaining brand standards. Previous hospitality experience, strong analytical skills, and fluency in English and Portuguese are required.

Experienced Business Development Lead to support and execute business development strategy across Portugal, Spain, and select international markets. Focus on identifying, originating, and developing new business opportunities within the architecture and built environment sector.