freelance English-speaking jobs in Castelo Branco

E-Commerce Coordinator to manage online stores for three fashion brands (Kings of Indigo, Stapf, Felicitas). Responsibilities include product listing management, content updates, performance analysis, and paid advertising coordination. Requires 3-4 years of e-commerce experience, Shopify expertise, and strong analytical skills.

Senior Security Engineer will develop threat detection content, improve AI-assisted security workflows, and help identify and respond to threats across cloud-native and enterprise environments.

Pharma Nord seeks a Sales Representative to promote dietary supplements in the south of Portugal. This full-time role involves visiting pharmacies, building customer relationships, and attending events. Fluency in Portuguese and English is required.

Functional Analyst needed for 6-12 month on-site role in Lisbon. Gather, analyze, and document functional requirements for data and AI projects. Translate business needs into functional specifications and support solution design. Strong functional analysis and business process mapping skills required. Proficiency in Portuguese is essential.

SYVANTECH seeks a Mid/Senior GenAI Engineer with 5+ years of experience in AI/ML, including 3+ years focused on Generative AI, LLMs, and NLP. Expertise in agentic AI frameworks and orchestration tools is required. Strong Python skills and experience with machine learning frameworks are essential.

Provide level 1 support for HR SaaS tools via phone, Teams, and Outlook. Manage support tickets, collaborate with the Business Analyst team, and ensure data accuracy.

The Product Designer supports Product Engineers by creating, developing, and validating product function/sub-function designs. Responsibilities include studying customer input, technical files, and rating data to organize and execute design phases. The role requires proficiency in 3D design software (CREO) and strong communication skills.

The Inside Sales Account Manager manages a sales territory, driving new business and minimizing erosion. Responsibilities include executing outbound calls, managing existing accounts, and identifying customer needs. Requires 2+ years of sales experience, fluency in English and Spanish, and a Bachelor's degree.

This remote role involves importing and exporting data, extracting webpage content, and ensuring accurate and consistent results. Native or professional fluency in English and Italian is required.

UX Designer needed in Lisbon to define, develop, and maintain product vision. Translate user needs into product features, balancing technical feasibility, business value, and user experience. Collaborate with cross-functional teams to ensure alignment and cohesive product development. Requires +6 years of experience as a UX Designer and fluency in English.

Lead and grow a high-performing programmatic team, shaping the strategic direction and operational excellence across all programmatic channels. Establish long-term programmatic strategy, ensure operational efficiency, and champion innovation in a rapidly evolving industry.

Senior Accountant / Accounting Generalist manages day-to-day accounting operations, including general ledger, accounts payable/receivable, and financial reporting. Prepares financial statements, supports budgeting and forecasting, and ensures compliance with accounting standards and regulations. Analyzes financial data, supports audits, and collaborates with consulting teams.

Quality Test Technician supports quality culture and production processes. Executes stability tests, trains staff, and coordinates quality activities. Requires a relevant academic background, minimum 2 years of experience in quality control, and knowledge of GDP and GMP.

Leads commercial sales operations for international client accounts, ensuring effective delivery through project teams. Serves as a senior client contact, building and maintaining relationships and identifying growth opportunities. Provides leadership, direction, and performance expectations for project directors, managers, and operational teams. Manages staff and ensures projects are delivered according to sales targets, operational milestones, and quality standards. Collaborates with cross-functional teams to ensure seamless project execution and compliance with regulations.

Provides administrative and operational support to the Sales team, ensuring smooth execution of daily commercial activities. Manages sample processes, customer communications, and sales-related documentation. Coordinates with Sales, Customer Service, Product Stewardship, Finance, Supply Chain, and external partners.

Provide technical support to clients via phone, email, and chat. Troubleshoot software, hardware, and system issues. Excellent German and English communication skills required.

Electrical Engineer to provide technical support for power quality monitoring and analysis solutions across Europe. Responsibilities include remote and on-site customer support, troubleshooting hardware and software issues, and technical documentation.

Technical Project Leader with 10+ years of experience needed. Must have strong Packet Core Solution knowledge and deep understanding of 4G and 5G call flows. Responsibilities include project delivery/technical management, estimating/sizing projects, and stakeholder management.

Commissioning Engineers and Managers with EU citizenship are needed for projects in Germany, Spain, Turkey, Netherlands, Greece, or Portugal. Responsibilities include managing the commissioning process, developing plans and reports, and providing technical advice. Minimum 8 years of commissioning experience is required.

Senior Marketing Manager for a group of regulatory and compliance advisory firms, SaaS platform, and fund management company. Develops positioning frameworks, GTM plans, and integrated campaigns across digital, events, and partner channels. Requires 5-8 years of B2B marketing experience in SaaS or regulated financial services with product marketing and GTM execution experience. Fluency in Portuguese is a plus.