freelance English-speaking jobs in Covilhã

Senior Quality Assurance Analyst to validate REST APIs for core financial, payment, and investment operations. Responsibilities include designing and executing API test scenarios, reviewing specifications, and collaborating with engineers to improve testing processes. Requires 8+ years of experience testing APIs, strong understanding of API schemas and contracts, and experience with tools like Postman.

Integration Manager to support large, complex Data Center projects and programs. Responsible for technical infrastructure scope delivery, stakeholder management, and project execution across design, procurement, construction, and handover phases. Requires 5+ years of experience in similar roles and a degree in Construction, Mechanical, Electrical, or Civil Engineering.

Senior Full-Stack Web Developer with 7+ years of experience to enhance and optimize a headless frontend architecture for an enterprise Aftermarket platform.

Hotel General Manager oversees daily operations, guest satisfaction, staff management, and profitability for a 18-bedroom boutique hotel in Lisbon.

SQL Server DBA to ensure stability, security, and performance of enterprise database environments. Responsibilities include installing, configuring, patching, monitoring, and troubleshooting SQL Server instances. Requires proven experience managing SQL Server 2019+ in multi-instance and high availability environments, strong database security expertise, and advanced performance tuning skills.

Senior Customer Success Manager will lead customer onboarding, build relationships, and drive customer satisfaction and growth. Requires 5 years of experience in a related role, strong communication skills, and the ability to manage multiple accounts. Experience in SaaS, HR, payroll, or global employment solutions is a plus.

As a Working Student / Intern / Thesis Student in the Software Asset Management (SAM) team, you will gain hands-on experience supporting IT operations within a dynamic, global organization. You will help enhance operational efficiency by exploring how emerging technologies can improve business processes and compliance.

Provide customer service support to customers in Dutch. Identify customer issues and provide solutions. Record data in the CRM system. Must be a native Dutch speaker with business proficiency in English.

Experienced professionals with 15+ years of career experience are sought for a remote, performance-based marketing pathway. Manage digital campaigns, work with pre-qualified leads, and collaborate with a global community. Commission-only earnings.

IT Business Manager will build and grow client partnerships in nearshore IT outsourcing. Responsibilities include leading recruitment for technical roles, driving revenue growth, and overseeing nearshore team performance. Must have 5+ years of experience in IT recruitment within outsourcing environments.

Citrix / VDI Engineer needed for design, implementation, and support of Citrix & VDI infrastructure. Requires 5+ years of Citrix experience and expertise in technologies like Citrix Cloud, XenApp, XenDesktop, Netscaler, Windows Server, VMware ESX, and Azure.

Freelance automotive engineers with 3+ years of experience and strong Python skills are sought to design, evaluate, and improve AI-generated solutions for automotive problems.

Field Sales Representative will hunt for new business, close deals, and build relationships with merchants. Responsibilities include prospecting, running demos, and upselling solutions. Requires proven sales experience, strong communication skills, and a track record of exceeding targets.

Implement and operate Azure Local environments, ensuring alignment with security and compliance frameworks. Provide governance and lifecycle management for Azure Local resources. Troubleshoot and resolve issues in Azure Local environments.

The Commissioning Manager will coordinate and deliver commissioning activities across MEP and critical infrastructure systems for a hyperscale data center development in Portugal. Responsibilities include developing commissioning strategies, managing subcontractors, overseeing system validation, and ensuring project readiness.

Supports innovative scalable sales programs across diverse customers, focusing on revenue and product adoption. Provides consultative support on agency and advertiser accounts, drives communications, and resolves technical issues.

Develop and refine AI agents using LangGraph and LangChain. Implement MCP server architecture for seamless model integration. Design scalable agent infrastructure and robust conversation management systems.

Freelance annotators review and classify text, images, or videos to train AI. Must have a university degree and be proficient in Portuguese (C2) and advanced in English (B2 or higher). Work is project-based and available when projects are active.

Back Office Agent needed for leading gas client in Porto. Responsibilities include managing client documentation, ensuring billing targets are met, verifying invoices, and supporting the commercial team. Requires a bachelor's degree, 2+ years of experience, fluency in German and English, and strong analytical skills.

Siemens PLC Engineer needed for a 4-year pharmaceutical manufacturing project in Lisbon. Design, program, and maintain Siemens PLC systems (TIA Portal, S7-300/400, S7-1500). Experience with GMP, CSV, and validation processes required.