freelance English-speaking jobs in Castelo Branco

Develop and implement features for a large React-based Single Page Application. Refactor and improve existing components and systems. Ensure high code quality through testing and code reviews. Collaborate with UX/UI designers, product management, and DevOps teams.

Develop, test, and verify advanced battery systems. Collaborate with suppliers, analyze customer requirements, and ensure product compliance with regulations.

FP&A/R Analyst will support long-range plans, budgets, forecasts, and monthly revenue estimates. The role involves building financial models, delivering financial analysis and reporting, and identifying trends and opportunities. Requires a degree in a related field and experience in FP&A, budgeting, forecasting, financial reporting, and variance analysis.

Senior Network Engineer will design, maintain, and operate corporate network infrastructure using MikroTik, UniFi, and Fortinet technologies. Responsibilities include network design, high availability configurations, infrastructure as code, enterprise wireless, wired access control, VPN and remote access, monitoring, automation, and collaboration with cross-functional teams.

Cybersecurity Operations Manager needed to lead daily operations, manage incident response, and improve security tools. Requires experience with SIEM, EDR, IDS/IPS, and cloud security. Must have strong communication skills and be proficient in English.

Founding Director of Quality, Regulatory Affairs & Compliance needed for a new sterile pharmaceutical manufacturing facility in Portugal. Requires 15+ years of experience in Quality, Regulatory Affairs, or Compliance within pharma, biotech, or CDMO environments. Expertise in sterile manufacturing, aseptic processing, injectables, and GMP compliance is essential.

Digital Sales Representative to manage existing customer base, focusing on cross-selling and upselling within managed accounts. Requires 2-3 years B2B sales experience, CRM (Salesforce) knowledge, and fluency in French.

Provide first contact resolutions to customer queries in German and English. Offer specialized customer support through written and phone communication. Build relationships with customers, answering questions in a courteous and professional manner. Meet customer service quality goals, compliance regulations, and productivity targets.

Data Platform Product Owner bridges technical engineering and business value, owning the product roadmap and collaborating with engineering, architecture, and DevOps teams. Translates business needs into technical platform requirements and ensures platform governance and standards. Leads cross-functional initiatives and champions platform adoption.

Marketing Lead will own revenue and commercial performance for a boutique hotel, wellness center, bakery, and bistro. Responsibilities include managing direct booking revenue, ADR and RevPAR, local audience growth, campaign development, and team leadership. Must have 5+ years of marketing experience, including 2+ years of revenue ownership and team management. Experience with hospitality, multi-channel campaigns, OTAs, CRM, paid media, and product development is required.

Software Engineer specializing in Java development with a focus on the Quarkus framework. Requires 3+ years of experience, proficiency in Java, RESTful APIs, and containerization technologies.

Automation & Control Engineer will configure, integrate, test, and commission automation systems for electrical substations. Responsibilities include developing control logic, engineering data models, integrating devices, and participating in testing and commissioning activities.

IEFP internship for a motivated trainee interested in hospitality. Support check-in/check-out, reservations, and administrative tasks. Fluency in English and Portuguese required.

Lead the strategic allocation of marketing budgets, maximizing ROI across channels. Utilize advanced analytics, attribution modeling, and CLV analysis to identify high-performing segments and optimize spend. Champion incrementality as the gold standard of marketing measurement. Collaborate with cross-functional teams to align marketing investments with business objectives.

The Head of Humanities will prepare students for iGCSEs and A Levels, plan and deliver engaging lessons, and collaborate with colleagues on interdisciplinary units.

Senior Sales Executive to drive revenue by helping corporate clients optimize international operations. Minimum 5 years B2B sales experience in corporate tax, international VAT/TVA, or international financial products. Fluency in English required, additional languages a plus.

SOC Analyst L1 will monitor security events, perform incident triage and response, and escalate complex incidents. Requires experience in cybersecurity, incident response, and SIEM tools, particularly FortiSIEM.

Lusokit Cozinhas e Equipamentos Lda seeks a Commercial Manager to lead, motivate, and develop a sales team. Responsibilities include defining sales objectives, monitoring performance, managing sales processes, developing business opportunities, and coordinating with internal teams. Proven commercial leadership, sales experience, and fluency in Portuguese and English are required.

Senior AI Engineer will design, build, and maintain scalable microservices using Java and Spring Boot. Responsibilities include architecting autonomous AI agents, integrating LLMs, and ensuring system reliability. Requires a Bachelor's degree, 8+ years of experience, and Java development expertise.

Design, deploy, and maintain robust ML pipelines, ensuring seamless integration of models into production environments. Collaborate with data scientists and engineers to integrate ML models and standardize workflows.