freelance English-speaking jobs in Castelo Branco

Enterprise Account Executive needed to identify, win, and expand relationships with prospective enterprise accounts. Requires fluency in Portuguese and English, plus 5+ years of enterprise sales experience in payments, banking, or fintech.

Lead People projects from start to finish, optimizing HR processes and building stakeholder alignment. Requires 2+ years in Project Management and HR Operations, with strong communication skills.

Oversee day-to-day operations, manage fleet condition, and ensure high customer satisfaction. This role involves staff management, sales target achievement, and budget control. Proven leadership and operational efficiency are required.

Strategic Grants & Non-Dilutive Funding Lead reviews and assesses domain-specific documents for quality and accuracy. This role involves analyzing grant writing and ESG strategy documents, requiring a minimum Bachelor's degree and 2+ years of relevant experience.

Bilingual AI Data Annotator & Evaluator role supporting AI projects remotely. Tasks include data labeling, LLM evaluation, content generation, and localization QA, requiring native European Portuguese and C1 English proficiency.

Account Executive to build genuine customer partnerships and run end-to-end sales cycles for Laravel's paid products. Navigate technical sales with credibility while collaborating across the organization.

Account Executive for DACH markets, owning the full sales cycle for Swiss accounts. Requires 1+ year B2B SaaS closing experience. Must be Swiss German native or fluent in German/French.

Technical Success Manager to bridge technology and client success at an ad-tech start-up. Own and solve complex technical problems independently, investigate data discrepancies, and author internal documentation. Hands-on technical skills are required.

Senior Business Analyst for FX Electronic Trading requires 7+ years in capital markets IT. Responsibilities include gathering enhancement requests, end-to-end topic ownership, technical issue analysis using SQL and Unix, and Agile delivery. Fluent English is mandatory.

AI Security Engineer needed to build and operate secure AI platform services across AWS and Azure. Responsibilities include securing AI services, managing access controls, and deploying containerized workloads using Kubernetes. Requires 4+ years in security and cloud.

Bilingual Czech/English Customer Service Representative for an international support team. Handle customer inquiries via phone, email, and chat in both languages, providing accurate and timely support. Requires strong communication and problem-solving skills.

Experienced Technical Developer to develop and customize ServiceNow solutions using JavaScript, AngularJS, HTML, and CSS. Implement integrations via JDBC, MID Server, REST, and SOAP within Agile/Scrum frameworks. Requires relevant technical knowledge and strong communication skills.

Flow Methods & Process Engineer to optimize operational flows and manufacturing processes in production and logistics. Define, maintain, and improve processes, layouts, and flows across the serial production lifecycle.

Data Scientist focusing on Applied Mathematics and Clinical Analytics. Translate project questions into analytical tasks, applying expertise in signal processing, probability, and statistics to develop robust algorithms.

Lead AI product initiatives in telecom, owning vision and roadmap. Translate user needs into requirements, collaborating with AI/platform engineers from discovery to rollout. Requires 5+ years in product management with AI experience.

Senior Quality Engineer to shape product quality across multiple teams. Responsibilities include exploratory testing, building web/API automation, and driving quality strategy. Requires strong English, product judgment, and technical investigation skills.

Sales Specialist manages the full sales cycle to convert leads into active accounts. Responsibilities include securing drivers/carriers and collaborating with internal teams. Requires fluency in English and at least one year of ocean freight operations experience.

Drive customer acquisition and revenue growth for Vitalyra Health by managing Facebook advertising campaigns. This hands-on role involves strategy, execution, optimization, and creative testing. Requires 2+ years managing Meta Ads for eCommerce.

Operational Analyst supporting the post-trade lifecycle for Securities (Equities, Fixed Income, Repos). Responsibilities include trade matching, resolving mismatches with custodians/brokers, and improving processes through automation.

French Speaking Customer Support Specialist needed to assist customers with telecom services, subscriptions, and technical inquiries via phone and digital channels. Requires C2 French and fluent English.