freelance English-speaking jobs in Valongo

Backend Engineer to develop and maintain Java backend services for a high-scale platform. Contribute to the full software development lifecycle, from requirements gathering to deployment. 3+ years of Java experience required.

ETL Developer to design, develop, and optimize Talend workflows for data integration and transformation. Requires 3+ years of ETL experience, 2+ years with Talend, and strong SQL skills.

The Head Concierge designs and delivers destination-led experiences for guests at ME Lisbon, a luxury lifestyle hotel. Leads and elevates concierge operations, mentors the team, and curates unique experiences for guests. Requires 2-3 years of experience in a similar position, fluency in Portuguese and English, and exceptional knowledge of Lisbon.

Experienced Portuguese (Portugal) language professionals are needed to review and refine customer service content. This role involves ensuring accuracy, natural language, and alignment with project guidelines.

Provide high-level technical support for networking issues, diagnosing and troubleshooting complex problems. Collaborate with Tier 1 support teams and maintain technical documentation.

Curate and maintain an exceptional wine list, staying updated on global wine trends and sustainable practices. Provide detailed wine descriptions and pairings, organize tastings, and oversee wine service standards. Train F&B staff on wine knowledge and work with chefs to design pairing menus.

HR Generalist for a temporary assignment supporting foundational HR processes, the annual people cycle, and onboarding. Requires a university degree in Human Resources, Business Management, or a related field and 2-3 years of relevant experience. Fluency in English and proficiency in MS Office are required.

Software Development Engineer will design, implement, and maintain scalable Java and Spring Boot applications. Responsibilities include developing APIs, implementing testing strategies, and collaborating with cross-functional teams. Requires a Bachelor's degree, 4+ years of experience, and expertise in Java, Spring Boot, and cloud computing.

Energy Systems R&D Engineer to participate in international projects focused on renewable energy, energy storage, and energy markets. Responsibilities include project implementation, technical reporting, and developing expertise in new solutions. Requires a degree in a relevant field, knowledge of renewable energy technologies, energy markets, and programming experience (Python preferred).

Review and analyze user-generated content, primarily text-based reviews, on an online platform. Assess content formats such as images, websites, or linked websites. Apply client-provided legal and policy guidelines when evaluating content. Process legal requests including privacy, defamation, fraud, or falsification claims.

As a Data Engineer (Python), you will build, test, and operate scalable data products and machine learning solutions. You will design robust data pipelines, ensure high data quality, and support production-ready deployments.

Manage the full recruitment lifecycle for national and international roles. Source candidates, conduct interviews, and coordinate selection processes. Maintain candidate records and support onboarding.

We are seeking a Business Analyst/Product Owner to analyze business requirements, define project scope, write user stories in Jira, and execute functional test plans.

Provide customer support to German-speaking clients, assisting with travel planning and ensuring a positive experience. Fluency in German is required.

Business Developer to initiate contacts with prospects, analyze needs, and qualify appointments for Account Executives. Must possess strong prospecting, communication, and relationship-building skills.

Junior Talent Acquisition Partner to support the Portugal team in Lisbon. Responsibilities include creating job postings, sourcing technical talent, conducting interviews, and managing the recruitment process. Requires a degree in a related field, high Portuguese proficiency, and previous recruitment experience.

Provide Dutch-language customer support via chat, email, and phone for a global streaming platform. Must be fluent in Dutch (C1-C2) and have a good level of English.

Experienced Hotel General Manager needed to lead all operations of a new lifestyle hotel in Costa da Caparica. Responsibilities include team leadership, guest experience, financial performance, and ensuring operational excellence. Must be fluent in Portuguese and English.

Digital Marketing Optimization Specialist needed for a leading Outsourcing/BPO consultancy in Lisbon. Implement optimization solutions, build campaigns, analyze data, and create reports. Must be native/fluent in Dutch and English, with 1-2 years of experience in digital marketing, particularly in a B2B environment. AdWords Search fundamentals certification is a plus.

Provide real-time interpretation between Russian and English for insurance, legal, and medical contexts.