freelance English-speaking jobs in Castelo Branco

We are seeking fluent Dutch speakers (C1/C2) with a customer-focused mindset and strong communication skills for a permanent, on-site customer service role in Lisbon. Previous customer service experience is a plus.

Senior Residential Broker to identify, assess, and evaluate real estate assets in Lisbon. Lead acquisitions, build stakeholder networks, and negotiate favorable terms. Develop acquisition strategies and collaborate with internal teams to maximize portfolio performance.

Trade Marketing Specialist to develop and execute shopper marketing strategies and trade channel plans. Drive growth in sales and market share through in-store excellence, sales enablement, and strong customer relationships. Requires 1-4 years of experience in FMCG, strong analytical skills, and proficiency in Excel and PowerPoint.

Senior Data Engineer to design, implement, and oversee data architectures using Azure tools. Develop and improve data pipelines, ensure data quality, and collaborate with stakeholders. Requires +5 years of experience in Data Engineering, mastery of Azure tools, and knowledge of SQL, Python, and Spark.

Contract Game Developer will design, implement, and maintain game features and systems. Requires 2+ years of experience, proficiency in C++ or C#, and familiarity with Unity or a similar engine.

Senior Business Analyst supports the COO Office by analyzing operating models and processes to design service delivery and system solutions. The role identifies root causes and translates business needs into clear workflows and requirements.

Dietitian Assistant to support a team of dietitians in providing nutritional care to clients. Responsibilities include assisting with meal planning, conducting nutrition assessments, and monitoring client progress.

Experienced Payroll & Posting Operations Lead needed to build and manage payroll, employee leasing, and posting processes in Portugal. Requires 5+ years of Portuguese payroll experience, including posted worker payroll, strong knowledge of Portuguese labor law, and proven leadership skills.

Data Engineer to build, optimize, and support data products on Google Cloud Platform (GCP). Experience with GCP tools (Dataflow, BigQuery), DBT, and data formats (Avro, Parquet) is required. Must have strong SQL skills and experience ingesting data from various sources.

Mobile & Web Security Researcher will investigate browser, WebView, Android, and iOS environments to identify security signals for fraud, abuse, automation, and AI agent detection. Responsibilities include designing experiments, evaluating signals, and translating findings into SDK feature requirements.

Design, build, and operate modern web applications, integrating AI-native features into SaaS products. Solid experience with full-stack development (React/Angular, Java Spring Boot, Python) and cloud/DevOps practices (Kubernetes, Terraform). Hands-on experience with LLMs and AI software engineering is required.

Area Sales Manager to drive sales growth and market expansion across Southwestern Europe. Responsibilities include developing customer relationships, implementing sales strategies, and promoting DSE products. Requires proven technical and commercial selling skills, strong communication, and the ability to work independently.

The SPARK Programme is a paid traineeship offering hands-on experience in the biotech industry. Trainees will contribute to projects, participate in workshops, and receive mentorship.

IPM seeks a commercially driven Partnerships & Channel Growth Manager to build and manage revenue-generating partnerships across multiple channels including training providers, universities, and corporate training partners. The role involves identifying, pitching, and negotiating partnership opportunities, onboarding new partners, and tracking performance metrics.

Site Engineer required for a major data centre project in Sines, Portugal. Responsibilities include setting out, surveying, quality control, and coordination with subcontractors. Degree in Civil Engineering, Construction Management, or related field required. Previous setting out experience and large-scale construction project experience are essential.

Vendor Planner responsible for managing supplier communication, ensuring timely material delivery, and maintaining inventory levels. Requires experience with ERP systems (SAP preferred), logistics, and inventory management. Strong analytical and problem-solving skills are essential.

Business Development Executive to secure partnerships with mid-sized, regulated financial institutions globally. Focus on companies struggling with cross-border payment challenges, positioning UNYX as a direct-settlement alternative. Drive the full sales cycle, from cold outreach to closed deals, in 30-90 day cycles.

Provide customer support via phone, email, and chat in Portuguese. Resolve customer inquiries and escalate complex issues. Maintain accurate records of interactions and deliver a positive customer experience.

Drive end-to-end hiring for a range of tech roles, partnering with stakeholders to develop recruitment strategies and source exceptional talent.

The BIM Manager will review and implement the BIM execution plan, coordinate model updates and clash detection, and support external partners in BIM implementation. The role involves creating BIM coordination models, producing clash detection reports, and leading BIM meetings.