freelance English-speaking jobs in Valongo

French-speaking Travel Advisor needed to provide customer support via chat, email, and phone in the travel and booking sector. Responsibilities include handling queries, reservations, and adjustments. Requires C2 French and C1 English skills.

Senior Commercial Sales Manager to represent the Grid Technologies portfolio. Responsibilities include customer inquiry response, negotiation support, risk analysis, and market analysis within Europe's energy transition. Requires relevant sales experience and business-fluent English.

Market Intelligence Analyst to strengthen strategic intelligence across Europe's CEP and freight sectors. This role involves market sizing, competitor analysis, forecasting, and translating complex data into executive insights.

Accountant role ensuring bank movements are correctly recognized and supported in accounting books. Responsibilities include daily monitoring, preparing bank entries, and executing monthly reconciliations. Requires a degree in Accounting/Finance and 1 year of experience. Fluent English is mandatory.

UX Design Lead needed to create exceptional user experiences for Secure GPT, a GenAI web interface. Responsibilities include user research, end-to-end design, prototyping, and design system maintenance. Requires 3+ years of Product Design experience and fluent English.

Seeking a Front-End Developer to build cutting-edge web applications. Responsibilities include developing user-facing features using Reactjs and building reusable code. Requires a degree and strong knowledge of HTML5, CSS3, JavaScript, and Reactjs.

Annotate images and videos of people performing physical exercises using internal tooling. Tasks include labeling, quality-checking, and applying structured guidelines consistently across high volumes.

Italian speaking Customer Support role managing incoming and outgoing calls. Responsibilities include resolving buyer, seller, and creator issues. Requires native/fluent Italian (C2) and fluent English (B2).

Field Service Specialist provides onsite and remote support for customers. Responsibilities include hardware/network troubleshooting, ticket management, and monitoring systems. Requires 3-5 years of support experience and technical skills in OS, networking, and hardware.

Senior AWS Technical Lead to lead Data Platform transition from Azure to AWS. Responsibilities include defining AWS data architectures, designing complex solutions, and ensuring governance and cost optimization. Requires 5+ years in cloud/data architecture with strong AWS experience.

Data Scientist will analyze US healthcare claims and insurance data using SQL and Python to assess prescription patterns, treatment journeys, and market trends. Responsibilities include identifying market gaps, supporting AI use cases, and collaborating with cross-functional teams to provide strategic insights. Requires a Master's degree in a relevant field with 2-5 years of experience or a PhD with 1 year of experience.

Cloud Engineer with 5+ years of GCP experience. Must hold Google Cloud Professional Cloud Architect certification. Responsibilities include designing scalable GCP architectures, using Terraform for IaC, and managing Kubernetes.

Billing Agent requires German fluency to manage client documentation, resolve billing issues, and ensure monthly targets are met. Responsibilities include invoice validation, data entry, and supporting the commercial team.

Experienced Marketing Manager needed to drive business growth and build brands for Servànt, Molteni&C Lisboa, and MODULNOVA Lisboa. Requires 5+ years in strategic marketing with proven results.

ERP Support Specialist focused on Yardi platforms for finance and accounting. This role manages ticket queues, supports daily ERP operations, and gathers requirements to optimize system usage. Experience with ERP systems in finance is required.

Research grant position focusing on 3D printing and experimental water harvesting requires an academic background and prior educational experience.

Performance-focused Video Editor needed to create high-converting direct response ads for Meta, TikTok, and AppLovin. Must have proven experience editing for DTC eCommerce brands, understanding hooks, pacing, and conversion.

Design and develop scalable, secure applications using Java/Spring and Angular. Lead code reviews, mentor developers, and architect user-centric solutions. Collaborate with cross-functional teams to deliver end-to-end solutions and implement robust testing strategies.

Marketing Trainee role involving campaign development, market data analysis, and contributing to annual brand marketing plans. Requires a degree in Pharmaceutical or Management + Marketing postgraduate study, and fluency in English.

Lead a department, driving excellent customer experiences and operational excellence. Responsibilities include team motivation, sales data analysis, and ensuring brand standards. Requires retail experience, strong communication, and Portuguese/English knowledge.