freelance English-speaking jobs in Viana do Castelo District

Provide Dutch-speaking customer support via phone, email, and chat. Assist with account and platform issues, ensuring customer satisfaction.

On behalf of our iGaming Client we are looking for an experienced CRM Manager to drive CRM strategy across the Romanian market, owning the full player lifecycle and scaling retention performance in Romania. This role is to be based in Portugal with relocation support provided.

Data Integration / Business Data Analyst needed to bridge technical and business teams. Analyze, map, and translate data to support business needs.

Storage/SAN Administrator needed to design, implement, and manage scalable storage solutions (SAN, NAS, SDS, cloud). Expert proficiency in enterprise storage administration (SAN/NAS) and storage protocols (iSCSI, FC, NFS, SMB, CIFS) required. Minimum 2 years experience managing large-scale storage infrastructures.

Lead sales efforts for a new beverage category focused on longevity and Michelin-level gastronomy. Target Lisbon's elite HORECA, luxury spas, and wellness centers. Sell a product with a 60-day shelf life, backed by BRC and IFS certified production standards.

Data Analyst will design, analyze, and interpret A/B tests and quasi-experiments to inform marketing and growth decisions. You will build dashboards and data models in Looker, explore customer behavior, and investigate changes in growth and commercial performance.

Design and implement robust backend services for trading and financial systems. Build and maintain real-time infrastructure and APIs. Collaborate across teams to deliver scalable features.

Analyze and improve global payroll processes, identifying opportunities for standardization and automation. Design and implement new processes to enhance efficiency and reduce risk. Collaborate with stakeholders across multiple countries to drive process alignment and consistency.

HR Business Partner to support business strategy in Portugal, advising leaders on workforce planning, talent development, and employee relations. Ensures compliance with Portuguese labor law and promotes a strong organizational culture.

Senior Backend PHP Developer to modernize a legacy payment system to a Dutch platform. Develop and maintain backend features using PHP (Symfony or Laravel), REST APIs, and MariaDB/NoSQL databases. Strong focus on code quality, testing, and CI/CD. Fluent English required.

Finance & Admin Assistant to support daily accounting operations. Responsibilities include document management, transaction matching, bank statement assistance, and team support. Experience in finance, accounting, or administration is a plus. Fluent in English and Portuguese required.

IT Analyst to support Microsoft 365 Copilot adoption. Deliver training, create user materials, manage communities, and track adoption metrics. Requires 3+ years of experience in change management, training, or similar roles and strong Microsoft 365 skills.

Product Specialist to drive product portfolio efficiency and reduce complexity. Prepare product-related reports, coordinate launches, and conduct internal/external training. Requires a degree in mechanical/business engineering, 3+ years' experience, fluency in Portuguese and English, and knowledge of automotive trends.

Senior C++ Developer to join Electronic Equities team working on an ultra-low latency algorithmic trading platform. Develop new Algo models, framework, market data distribution, and exchange connectors. Software development, platform maintenance, and collaboration with global teams.

Data Security Project Manager to coordinate DLP project rollouts and deployments, ensuring communication and governance across all phases.

Research Fellow to contribute to a program exploring the open scientific questions behind next-generation content moderation. Focus on adaptive policy learning, bias in moderation systems, communication risk, or policy change recommendation.

Lead a team of 13 Java developers in shaping the strategic direction of JYSK's Java department. Oversee the technical development and delivery of high-quality store applications, including Point of Sales (POS) systems.

Senior Customer Analytics & Insights Specialist analyzes customer behavior, pricing, and product economics to drive business growth. Develops models, conducts A/B tests, and provides actionable insights to improve conversion, retention, and customer experience. Influences business decisions with data-driven recommendations.

Part-time Salesperson for a leading surfwear and sportswear brand. Passionate about customer service, sales, and visual merchandising. Previous retail experience preferred.

Programme Director to lead end-to-end delivery of a large-scale systems integration programme across multiple vendors and internal teams. Responsibilities include managing dependencies, risks, and delivery milestones, coordinating across technical and business stakeholders, and ensuring alignment across systems. Requires proven experience delivering large-scale systems integration programmes, strong understanding of OSS/BSS environments, and exceptional stakeholder management skills.