freelance English-speaking jobs in Leiria District

Data Quality Specialist to monitor data integrity, validate calculations, and collaborate with teams to resolve issues and enhance quality standards. Must have 1+ years of data quality experience, strong Excel skills, and proficiency in Agile methodologies. Fluency in Ukrainian is required.

Senior Data Scientist will design and deliver real-time machine learning models to protect GoCardless' global payment network. You will work with Engineers, Fraud Analysts, and Product Managers to shape the technical roadmap.

As an intern on the Public Sector team, you will support project delivery and tender preparation for the EU account. Tasks include operational project support, data collection and analysis, event management, and research support for business development.

Prepare and serve coffee and specialty drinks with precision and creativity. Expertise in espresso-based drinks, cold brews, and specialty coffee is required. Fluency in English, German, and/or Portuguese is a plus. Must have experience with high-end coffee equipment and a passion for coffee culture.

Sales Manager needed for upcoming Wilde aparthotel opening in Porto, June 2026. Minimum 2+ years of experience in hotel/aparthotel sales, reservations, or property account management required. Must have English and Portuguese language skills and knowledge of corporate business travel, group, and extended stay segments. Experience with Sales Force/Opera/IDEAS/Agency360/LinkedIn Sales Navigator is preferred.

As an Account Manager, you will be commercially responsible for a portfolio of Semine's key customers. You will develop and execute strategies to increase revenue and strengthen relationships within the existing customer base. You will identify opportunities for upsell, cross-sell, and renewals by understanding customer needs.

This is a permanent, salaried insurance sales position offering full training. The role involves providing tailored insurance solutions to new and existing clients. Excellent English communication skills are required.

Junior Commercial Analyst will create pitch decks, manage sales enablement assets, and repurpose strategic insights into marketing content. Responsibilities include conducting prospect research, generating account-based intelligence, and tracking pitch performance.

Business Development Consultant to monitor business opportunities, prepare proposals, and manage partnerships in Portugal and Europe. Requires 1-3 years of experience in sales, consulting, or business development, and a Bachelor's or Master's degree in a relevant field.

Provide customer support via phone, chat, and email in Italian and English. Build customer relationships, handle sensitive data, and apply customer happiness best practices.

Manages end-to-end influencer marketing campaigns across key accounts, working with micro and macro influencers. Develops and presents campaign strategies, tracks KPIs, and stays abreast of industry trends.

Territory Account Manager drives customer engagement, manages sales pipelines, and develops new business within a defined territory.

Revenue Controller will perform revenue calculations and controls for various iCapital product lines, ensuring accuracy in monthly and quarterly revenue estimates. Responsibilities include month-end close processes, financial reporting, and collaborating with various teams.

Customer Success Manager will collaborate with top-tier customers to ensure successful product adoption and retention. Responsibilities include onboarding, client retention, success planning, and acting as a point of contact for customer issues.

Aubay Portugal seeks a T-SQL Developer with minimum 4 years of experience. Expert proficiency in T-SQL (Sybase), including queries and Stored Procedures, is required. Experience in Linux shell scripting, technical documentation, and test plan development is also necessary. Must be fluent in English and eligible to work in Portugal.

The Threat Intelligence Analyst will work in the Cyber Fusion Centre, gathering, analyzing, and disseminating intelligence on cyber threats. Responsibilities include managing the intelligence lifecycle, researching and analyzing threats, preparing reports, and supporting incident response. The role requires 2+ years of experience in a threat intelligence role and knowledge of the intelligence lifecycle, common hacking techniques, and cyber threat intelligence frameworks.

Design, develop, and maintain Python-based backend services and APIs within a microservices architecture. Work with SQL and NoSQL databases, integrate with Azure cloud infrastructure, and collaborate with product, data, and frontend teams.

Environment & Release Lead will own end-to-end environment strategy across development, testing, and production. Responsibilities include environment inventory management, release planning, deployment sequencing, and production readiness. Requires strong experience in environment management on large transformation programs and hands-on experience with Oracle, Microsoft Dynamics, and linked enterprise platforms.

Provide Dutch-speaking customer support via phone, email, and live chat. Handle product inquiries, manage orders, and resolve customer issues. Maintain customer records and collaborate with colleagues.

Analyze, monitor, and improve the security posture of internet-facing assets. Perform vulnerability scans, evaluate tools, and collaborate with vendors. Produce vulnerability reports and support entities in defining remediation plans.