freelance English-speaking jobs in Leiria District

Develop and implement automated testing solutions for heat pump systems and components. Design test bench interfaces and perform functional and performance testing. Analyze test data and contribute to the improvement of laboratory equipment and test infrastructure.

We are seeking ambitious entrepreneurs to build and scale AI startups. You will own your startup, receive personalized development support, and benefit from access to a network of top founders, investors, and talent.

Provide group-wide technical support via ticket system, on-site, or telephone. Support users with applications like Microsoft 365, VPN, VMware Horizon, and MDM on Windows, macOS, Android, and iOS. Identify process improvements and maintain IT warehouse and device lifecycle.

Site Quality Manager to lead and coordinate QA/QC activities on an industrial construction project. Responsibilities include implementing the Site Quality Plan, supervising the Site Quality Management Team, ensuring compliance with quality requirements, and managing QA/QC deviations. Requires a Technical Diploma or Bachelor's Degree in Engineering and minimum 5 years of site-based experience in industrial construction projects. Fluent Spanish and C1 level English required. Portuguese is an asset.

Customer Service Representative will handle inbound customer requests, provide pre-sales, general inquiries, and technical support via multiple channels. Must be fluent in German (written and oral) and English (B2).

Core Network Engineer (Mid-Level) will design, implement, and support Core Network solutions, including Packet Core and IMS environments. Responsibilities include technical documentation, testing, troubleshooting, and collaboration with project teams and customers. Requires 4+ years of experience in Core Network engineering with hands-on experience in design, deployment, integration, and software upgrades.

TUI Service Support Reps create memorable experiences for guests by identifying their needs, offering tailored recommendations, and promoting products to exceed sales targets.

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.

French-speaking Customer Success Advisors provide support to users of digital finance products. Responsibilities include resolving billing and technical issues, ensuring security and compliance, and collaborating with an international team.

The IT Workplace & Device Specialist oversees planning, implementation, and support of workplace IT infrastructure and services. This includes endpoint device management, collaboration tools, software deployment, user support, and ensuring a productive digital environment.

Operating Principal will drive growth and shape the destiny of the business. Responsibilities include leading teams, developing products and services, and executing strategy. Must be highly ambitious, proactive, and possess strong communication and organizational skills. Full Portuguese proficiency and work permit required.

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.

Provide German-speaking customer support via phone, email, and chat. Resolve inquiries, complaints, and service issues while adhering to SLAs and documentation standards.

Develops and maintains corporate systems using the webMethods platform, integrating applications, APIs, and databases. Creates integration flows, services, and automations to ensure efficient information exchange. Monitors, supports, and optimizes integrations.

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.

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.

Tech Lead to own architecture decisions and drive technical alignment for a growing technology platform. Expertise in C#, .NET Core, React, RESTful APIs, and PostgreSQL required. Experience with containerization, microservices, and event-driven architecture is essential.

Technical Sales Specialist to provide expert guidance and support to Italian-speaking customers. Responsibilities include handling inbound requests, driving customer satisfaction, and achieving sales targets. Native Italian fluency and B2 English level required.

Full-stack engineer to design, develop, and maintain Riskified's Control center app. Responsibilities include architecture development, production system management, and collaboration with other teams. Requires 3+ years of full-stack coding experience, Node.js proficiency, and strong CI/CD knowledge.

QA Intermediate to develop and operationalize test acceptance criteria, ensuring testing of all customer requirements and management of detected errors.