freelance English-speaking jobs in Barreiro

Native Portuguese speakers with strong writing skills are needed to create and evaluate prompts for AI language models. This short-term project requires fluency in Portuguese and English, critical thinking, and the ability to distill complex concepts into clear, culturally relevant text.

National Sales Manager to lead direct-to-consumer sales across Portugal's 40 clinics. Requires 5+ years of B2C sales experience and proven leadership skills. Fluency in English is essential.

If you want to be part of the new decade on energy revolution, at Smart Energy LAB you will have the opportunity to have a real impact by creating new products and services that will contribute to energy transition, focusing on the 3Ds (Decarbonization, Decentralization and Digitalization).

Senior SAP Business One Developer to develop and enhance applications, integrations, and add-ons within SAP Business One environments. Collaborate with functional consultants to translate business requirements into technical solutions.

PHP Developer to develop and maintain backend features using Symfony for a major international automotive digital ecosystem client. 5+ years of PHP/Senior Software Engineer experience and strong Symfony experience required.

Sales Manager to drive global wholesale growth and B2C presence for premium eyewear brand VAVA. Manage full sales cycle, including client acquisition, order management, and after-sales service.

Designs, launches, and scales supporter engagement strategies for mid & high-value segments and legacy giving. Develops and executes integrated campaigns, stewardship programs, and legacy giving initiatives. Collaborates cross-functionally and represents Portugal in global communities.

The Supplier Quality Performance Pilot ensures supplier quality compliance by leading cross-functional coordination, monitoring audits and KPIs, and managing corrective actions.

Provide customer support via multiple channels, updating CRM systems and building strong customer relationships.

About the Company DataHow AG is a spin-off company of ETH Zurich founded in 2017. Our mission is to bring Industry 4. 0 to the chemical, pharmaceutical, and biopharmaceutical sectors. We develop and commercialise predictive software that integrates sensor signals, process models, machine learning, reinforcement learning, historical data, and process engineering knowledge.

A Company you will be happy to grow with! At InnoTech, it´s all about connecting people with business through technology. We truly care about you, your happiness , and your well-being . We look for passionate people who are eager to learn , evolve , and grow with us - because growth is in our DNA.

About Simplifae Simplifae is a leading reference in electronic procurement (e-procurement), providing comprehensive eSourcing and eProcurement solutions across three geographies: Portugal, Spain and Poland.

Mechanical Engineer with 1+ years of experience in Power BI, Excel, AutoCAD, and strong English communication skills.

SAP PI/PO Development Lead / Architect will upgrade existing SAP PI/PO legacy applications to the latest SAP PI/PO technologies. Responsibilities include analyzing business requirements, designing and implementing the SAP PI/PO landscape, ensuring quality, and providing 3rd level support.

Social Media Manager to develop and execute content plans for branded residences and luxury real estate projects. Manage social media channels (Instagram, Facebook, LinkedIn, YouTube) and create social media copy. Requires 1+ year of SMM experience, experience in real estate, strong Figma skills, and video editing experience.

Automation Engineer will design, develop, and maintain automated test frameworks for web, mobile, and API applications. Responsibilities include integrating automated tests into CI/CD pipelines, performing root cause analysis, and collaborating with development teams. Requires a Bachelor's degree and experience with TestCafe, JavaScript, API testing tools, and CI/CD pipelines.

Manage QEHS in projects by preparing EHS documentation, conducting risk assessments, and ensuring compliance. Conduct project monitoring visits and oversee supplier management in the QEHS aspect. Handle incidents and non-conformities, ensuring timely resolution.

Experienced Finance Executive needed for hotel financial operations. Responsibilities include preparing financial reports, budgeting, cost control, and ensuring regulatory compliance. Proven experience in hotel finance, real estate, or travel agency finance required.

Recruit top talent for a multinational BPO company specializing in customer support and sales. Conduct interviews, build relationships with departments, and onboard new employees. Native German (C1) and English (B2) fluency required. Proven recruitment experience and familiarity with Applicant Tracking Systems are essential.

Personal Secretary / Humanitarian Executive Assistant (NGO Sector) Location Requirement Candidates must live within a 10 km radius of Sintra, Portugal , or be willing and able to relocate. About the Role We are seeking a mission-driven, highly capable Personal Secretary / Executive Assistant to support leadership in global humanitarian initiatives.