freelance English-speaking jobs in Valongo

Leads the design and development of complex digital solutions in the CRM domain. Provides technical guidance and mentorship to junior engineers. Develops and maintains software architecture documentation. Participates in project planning and estimation activities. Acts as a subject matter expert for pitches and client work.

Automation QA Engineer needed to design test frameworks, execute performance tests with JMeter, and automate UI and API testing. Experience with AI-driven testing techniques and end-to-end testing methodologies is required.

Senior Industrial Designer will own the visual and ergonomic language of Ardia's quadruped, mobile, and humanoid robots. Translate engineering constraints into manufacturable forms, define materials, finishes, and colorways, and set on-robot human interaction details.

Lead and inspire tour groups through Portugal, sharing your passion for the country's culture and history. Plan and execute itineraries, ensuring smooth operations and traveler safety. Provide excellent customer service and support, adapting to unexpected situations.

Provides technical expertise on complex subjects, analyzes information, and supports projects. Requires analytical, organizational, and communication skills.

Business Analysts will develop industry knowledge, gather data, and create company and industry profiles. They will actively participate in projects and commercial development within an international team.

Sectra seeks recent technology graduates to join its Customer Operations department as a system engineer. Responsibilities include installing, configuring, and supporting Sectra solutions, communicating with customers, and resolving technical issues. Must have a master's, bachelor's, or equivalent degree in biomedical engineering, IT, or a related field and fluency in English.

The Process Excellence Lead will standardize, improve, and scale operational processes across Recruitment, Operations, and Administration. This role will audit, document, and challenge existing processes, working closely with Lisbon-based teams to identify inefficiencies and implement improvements. The Process Excellence Lead will also ensure processes are scalable and ready to support future automation and AI-assisted operations.

Provide customer support across multiple channels in French to international customers. Handle inquiries regarding subscriptions, billing, and technical issues.

IT Recruiter to manage full recruitment lifecycle for tech roles. Must have native Portuguese, fluent English, and 2+ years IT recruitment experience. Strong knowledge of ATS systems and AI recruitment tools required.

Amazon Reimbursement Specialist will manage end-to-end recovery of funds owed to Priority Chef by Amazon FBA. Responsibilities include auditing FBA inventory, opening and tracking reimbursement cases, and producing reports. Requires 1+ year of Amazon Seller Central experience, FBA reimbursement case management, and proficiency in Excel.

Experienced Real Estate Development Lawyer sought for dynamic legal team. Provide counsel on all phases of projects, from acquisition to disposition. Draft, review, and negotiate legal documents. Manage legal risks and collaborate with internal and external parties.

En Globe Travel Retail seeks Freelance Promoters to support international brands at Faro Airport Duty Free. Promote products, engage with travelers, and achieve sales targets. Previous sales, retail, or promotional experience is required. Fluency in Portuguese and English is essential.

Senior Backend Engineer to design, develop, and maintain scalable, secure backend services using C# and .NET Core. Build REST APIs, implement database solutions, and troubleshoot production issues. Contribute to CI/CD pipelines, and collaborate with cross-functional teams.

Provide German and English language customer support via phone, email, chat, and social media for a global search engine. Troubleshoot software, hardware, and connectivity issues. Maintain a professional brand tone and adhere to service level agreements. Collaborate with technical teams to resolve complex cases.

Electrical Engineer (LV & MV) supports design, implementation, and operation of electrical systems for data centers. Responsibilities include design review, project execution, operations & maintenance, and cross-functional collaboration. Requires a degree in Electrical Engineering and 3-6 years of relevant experience.

Provide customer support via phone, email, or chat to German-speaking customers regarding digital marketing and web-related topics.

Security Risk Officer needed to define, implement, and validate IT control procedures for a leading global financial institution. Develop reports on compliance and risk metrics, communicate findings to stakeholders, and provide training on security best practices. Proven experience in technology risk management within banking or financial services required.

Riskified seeks a Senior AI Engineer to join a fast-moving team driving AI innovation across the company. The role involves designing, building, and maintaining reusable AI capabilities, including models, tools, APIs, and platforms. Responsibilities include developing and maintaining the internal MCP server, creating evaluation frameworks, and championing AI readiness across the organization. The ideal candidate has 5+ years of backend development experience, proficiency in Python or a similar language, and strong collaboration and communication skills.

Full-stack software developer needed to design, develop, and maintain software solutions using Node.js, Nest.js, and React.js. Experience with AI tools and services, Kafka, and Postgres is required. Collaborate with product, data, and UX teams to translate business needs into production-ready solutions.