freelance English-speaking jobs in Covilhã

Brand & Social Media Manager will execute social media strategies, create content for platforms like Instagram and Facebook, and analyze performance metrics.

Part-time, equity-only founder & CEO role for a new B2B business. Drive research, define the business model, lead early sales, and iterate based on customer feedback. Minimum 12 hours per week commitment. Must have 15+ years experience and a business idea in your area of expertise.

Senior OutSystems Mobile Developer with 5+ years of experience needed for international project. Design, develop, and maintain OutSystems mobile applications. Strong focus on mobile frontend, UI, and performance. Fluent English required.

Drive Zoop's commercial growth in the Web3 ecosystem by building strategic partnerships, exploring new revenue streams, and positioning Zoop as a key platform. Responsibilities include identifying, developing, and scaling partnerships with Web3 companies, exploring monetization models, and collaborating with teams to activate partnerships. Requires 3-5 years of experience in business development, partnerships, or commercial roles, preferably in Web3, crypto, or adjacent tech ecosystems.

Two part-time Post-Doctoral Researcher positions available at the Centre for Social Studies (CES) in Portugal. The project, "EJMAPPING: Counter-mapping environmental just conflicts in the European periphery: The case of Portugal," focuses on environmental justice conflicts in Portugal through qualitative-quantitative participatory-action research. Applicants must hold a PhD and demonstrate expertise in the project's research areas.

Global Marketing & Events Lead will support and execute global B2B marketing and events activity. Responsibilities include planning and delivering 6-8 global B2B events annually, managing event strategy, timelines, budgets, and logistics. The role also involves developing and executing B2B marketing campaigns, managing company social channels, and supporting product launches.

QA Engineer to perform manual and automated testing of iOS and Android applications. Design, execute, and maintain test scenarios and cases. Experience with test automation frameworks (Espresso, UI Automator, Appium, XCUITest) and CI/CD pipelines required.

JoomPulse, an AI analytics tool for Mercado Livre sellers, seeks an experienced Legal Counsel to provide legal support. Responsibilities include implementing privacy risk strategy, assessing risks, and serving as the primary point of contact for legal matters related to JoomPulse.

Account Manager responsible for developing and executing territory plans focused on Spanish and LATAM markets. Articulates the value of Bitsight's products and services to clients, acts as a strategic advisor, and manages account relationships. Requires 2+ years of experience in a similar role, fluency in Spanish and English, and SaaS experience.

Network Engineer with 3+ years of experience in telecommunications or large-scale network engineering. Deep knowledge of Core protocols (GTP, Diameter, SIP, SCTP) and RAN hardware (Ericsson, Nokia, Huawei, or Samsung). Solid understanding of SDN/NFV and virtualization. English proficiency required, Portuguese fluency preferred. Must be residing in the EU with full work authorization. Hybrid work model with 2 days per week in the Lisbon or Porto office.

Java Developer to design, develop, and maintain enterprise-class web applications using Java and related technologies. Experience with MVC frameworks (e.g., Spring MVC, Angular, React), full stack development, and Java build tools (Maven, Gradle) required.

Electronics Engineer to design, prototype, and validate electronic systems for printed e-paper displays. Responsibilities include firmware development, PCB design, integration, and testing. Requires experience in embedded systems, C/C++, Python, and PCB design tools.

API Management Developer will design, develop, and secure APIs using Apigee and AXWAY. Responsibilities include leading API migrations from AXWAY to APIGEE, managing API configurations, and collaborating with cross-functional teams.

This Fixed-Term Contract (FTC) role processes customer orders, contracts, and billing requests. The Transaction Services Specialist ensures accurate processing and alignment with billing requirements, collaborating with commercial and Finance Operations teams.

C++ Developer to customize a closed architecture booking and trading platform. Develop C++ features, perform reverse engineering, and collaborate with teams. Requires C++ development experience, knowledge of Capital Markets or financial products, and strong English communication skills.

SEO Specialist will perform keyword research, content recommendations, and SEO performance analysis. Responsibilities include creating reports, dashboards, and ensuring pages meet SEO standards. Requires experience with SEO tools, Google Search Console, and HTML/CSS.

Junior Financial Controller supports month-end closing, commission monitoring, and financial reporting. Assists with process automation, data analysis, and collaborates with teams to provide financial insights. Requires a finance degree, 2-4 years of experience, strong Excel skills, and fluency in English.

Design and implement scalable AWS-based data architectures, leading data migration and optimization initiatives. Build and manage infrastructure using Terraform. Manage large datasets, orchestration workflows, and CI/CD pipelines.

Danish-speaking Customer Service Representative to join a remote team supporting automotive and digital service projects. Handles customer requests, provides support across channels, resolves issues, and delivers a high-quality customer experience.

Leads global customer service operations across multiple geographies, building and managing a high-performing team. Drives scalability, operational transformation, and continuous improvement initiatives. Partners with technology, product, and data teams to enhance customer experience and achieve operational excellence.