freelance English-speaking jobs in Leiria

Searadar seeks an experienced Head of Customer Success to lead and develop the Customer Success function. This role requires 3+ years of experience in Customer Success, Customer Experience, Operations, or Service Management, with a strong background in the travel industry. The ideal candidate will have proven experience improving customer satisfaction, retention, and service quality metrics. Fluency in Russian and English is required.

This role focuses on business reporting, analysis, and process improvement within the Sales organization. Responsibilities include pipeline review, forecast analysis, and driving tool adoption. The ideal candidate possesses strong analytical, organizational, and communication skills.

AI Engineer will design, implement, and maintain AI-powered applications and systems using foundation models, language models, and enterprise data. Responsibilities include engineering model interaction layers, building AI application harnesses, and integrating with APIs, systems, and knowledge bases.

The ServiceNow Platform Owner leads a team of DevOps engineers, ensuring the platform delivers scalable, secure, and well-governed solutions across a multi-country environment. This role executes the ServiceNow roadmap, manages platform lifecycle, and mitigates operational risks.

Clearance Broker needed to review shipment data, create clearance declarations, and resolve customer and customs disputes. Requires good Dutch language skills (B2-C1), experience with import/export processes, and strong communication and problem-solving skills.

Senior Frontend Developer needed for new feature development and current functionality support. Requires experience with React.js, TypeScript, and JavaScript. Knowledge of browser rendering, animation features, and programming patterns is essential. Preferred experience includes Next.js, Express, and AI tools like Cursor and Claude.

Adjunct Professor to teach Informatics courses, focusing on digital transformation, VR/AR applications in engineering. Develop research projects, publish, and contribute to the field. PhD in Informatics or related area required. Proven research record and teaching experience necessary.

Financial Controller needed for international hospitality group. Responsibilities include financial reporting, expense control, invoicing, payroll, and administrative support.

Leads the value quantification strategy across the product lifecycle, embedding ROI and value measurement into product, pricing, sales, and customer success. Owns and scales value models and analytics assets, ensuring robustness, transparency, and adaptability. Drives productization of the value quantification platform, partnering with engineering to deliver scalable, automated, enterprise-grade solutions.

Lead end-to-end marketing for Huzzle, a $6m ARR company. Define brand identity and execute across all channels, including organic (influencer, content, affiliate) and paid. Build and manage a content engine and explore new marketing channels.

Backend Developer (Node.js) will integrate cashier systems and platforms for a European payment platform. Responsibilities include developing and optimizing algorithms for data parsing, ensuring system efficiency and reliability, and maintaining a clean codebase. Requires proven experience in distributed backend applications, scalability, and performance optimization.

Fluent Italian speakers are sought for Customer Support and Content Moderation roles with international companies in Portugal. Successful candidates will assist customers via phone, email, and chat, and review online content for compliance.

The Guest Relations Officer acts as a liaison between guests and hotel and marine departments, anticipating guest needs and ensuring a seamless, memorable experience. This role requires strong communication, organizational, and decision-making skills, as well as the ability to speak English fluently and additional languages. Previous experience in a 4 or 5-star hotel and shipboard guest services is preferred.

Senior Accountant needed for international Shared Services supporting German-speaking markets. Manages AR processes, supports GL and AP tasks, ensures compliance, and collaborates with internal teams.

Senior QA Engineer to develop, maintain, and expand automated test suites for a mobile-first game hub platform. Responsibilities include designing test coverage strategies, improving QA infrastructure, and contributing to manual testing. Requires 5+ years of web QA automation experience with TypeScript and Playwright, and experience testing mobile-first products.

Senior Collateral Management Officer will ensure daily coverage of exposures between Natixis and its counterparties. Responsibilities include calculating margin calls, reconciling portfolios, and managing requests from counterparties and internal departments. Requires a higher education degree in financial markets or finance and at least 5 years of experience in collateral management. Proficiency with AI tools, the Office suite, and good knowledge of English and French are also required.

IT Application Manager for CIB unit overseeing application support, operations, and business stakeholder relationships. Requires 6-10 years of IT support or application management experience, strong ITIL knowledge, and fluency in French and English.

Achieve business results and commercial positioning for Esteve by implementing tactical actions for direct interlocutors, decision-makers, and key influencers. Build and maintain strong customer relationships, leveraging data and insights to define priorities and optimize resource allocation. Communicate persuasively, tailoring messages to different customer profiles and demonstrating scientific expertise.

Backend Developer will build scalable, reliable video streaming applications. Requires experience with Java, Kotlin, NodeJS, Go, API development, containerization, databases, CI/CD, and automated testing.

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