freelance English-speaking jobs in Valongo

Senior developer specializing in .NET and Angular/React with 4+ years of experience. Responsible for full software development lifecycle, from requirements analysis to deployment. Expertise in MS SQL, IIS, Azure DevOps, and Web Services. Proven ability to develop enterprise-level software solutions and contribute to architecture decisions.

As a CRM Consultant, you will support the analysis, design, and implementation of Dynamics 365 solutions. You will contribute to requirements gathering, solution design, and configuration activities while developing your consulting and technical skills. This client-facing role offers hands-on experience across the full project lifecycle.

Provide customer support via phone, email, and live chat in French. Resolve inquiries, manage issues, and support account requests. Maintain accurate records and escalate complex situations.

Beauty Advisor needed for premium skincare project at Lisbon Airport. Drive sales and provide personalized skincare advice to international travelers. Fluent Portuguese and English required.

Marketing Intern to support brand awareness and engagement initiatives. Assist with market research, website updates, email marketing, social media management, campaign support, event activities, and data analysis.

Senior Mobile User Acquisition Manager to own and drive paid user acquisition across Google UAC, Apple Search Ads, Meta/Facebook, and in-app networks. Manage budgets, optimize campaigns, analyze unit economics, and conduct A/B testing. Requires 3+ years of experience in paid mobile user acquisition, strong mobile analytics expertise, and experience managing large budgets.

Experienced Golang Engineer to build Kubernetes-native AI infrastructure and tooling for scalable inference and training workloads. Design and implement AI inference and model training cloud products optimized for Kubernetes. Write clean, efficient, and maintainable Go code to power Kubernetes controllers, operators, and custom resources supporting AI workloads.

Senior Data Analyst will analyze large game datasets to inform business decisions, optimize marketing strategies, and drive product evolution. Requires 4+ years of analytical experience, expertise in SQL and BI tools, and strong communication skills.

UX/UI Designer to create intuitive and visually compelling user experiences for AI-driven products. Collaborate with cross-functional teams to shape product vision and execute design solutions. Minimum 2 years of experience in UX/UI design with research, design, and validation skills. Strong knowledge of Figma and proven track record of creating delightful UI designs for web applications.

Manage inbound calls, chat, email, and social media for a globally admired motorcycle brand. Provide information on programs, membership benefits, and assist with new member orientations. Answer questions regarding Motor Clothes, merchandising, and parts and accessories. Address customer complaints and facilitate partnerships within the network.

Junior Mechanical Design Engineer will research, design, develop, and customize mechanical systems and components. Responsibilities include identifying solutions to improve products, defining and executing test plans, and collaborating with cross-functional teams.

Provides operational enablement and support to Germany, Switzerland, Poland, and Portugal within Health & Benefits Europe. Partners with Country Leaders and local operations representatives to strengthen operational capability, consistency, and maturity. Drives process improvement, operational excellence, and automation initiatives. Ensures technology adoption and strategic platform implementation. Champions data quality, regulatory compliance, and risk management. Upholds H&B Excellence standards and promotes a culture of operational discipline.

Accounts Payable Trainee will perform tasks in ERP, support invoice launching and follow-up, manage credit/debit requests, and assist with cash advances and quantity/price discrepancies. Requires a high school or professional course, English communication, and computer skills. Knowledge of French is beneficial.

Junior Full-Stack Engineer to develop web applications and integrate AI/LLM capabilities. Experience with JavaScript/TypeScript, backend development (Node.js preferred), and basic web development is required.

KCS IT seeks a Java Backend Developer with 4+ years of experience. Requires strong Java (8+), Spring/Spring Boot, and relational/non-relational database knowledge. Experience with RESTful APIs, version control (Git), and CI/CD tools is essential. Fluent English is required.

This Senior Product Manager role focuses on the merchant experience for WalletConnect Pay, a platform enabling crypto and stablecoin payments. You will own merchant-facing surfaces, integrations, onboarding, and settlement processes. Responsibilities include designing merchant dashboards, defining onboarding journeys, and building tools for payment visibility and trust. You will also work with partners to define integration patterns and drive the merchant success funnel.

Experienced Endpoint Management Engineer needed to manage and optimize the full lifecycle of enterprise devices in a Windows environment. Responsibilities include managing Intune, Autopilot, and GPO coexistence strategies.

Senior M365 System Engineer plans, implements, and manages the Microsoft 365 environment. Responsibilities include architecture and design, implementation and configuration, expansion and change management, migration and integration, security and compliance management, monitoring and optimization, support and training, and automation.

Mid Java Developer to join a fintech project focused on building a center of excellence. Develop and maintain backend applications using Java 8+, Spring, and Spring Boot. Design, implement, and optimize integrations with relational databases. Contribute to CI/CD processes and collaborate in an Agile Scrum environment.

Lead the rollout of Power BI as Beyond Gravity's reporting tool, support data analysis, and drive the implementation of new global tools. Develop and implement a strategic roadmap for global reporting, data, and AI initiatives. Lead the design and implementation of AI-driven solutions to optimize reporting, budgeting, forecasting, and financial planning.