freelance English-speaking jobs in Valongo

Provide Dutch-speaking support via email, live chat, and in-platform messaging. Diagnose and resolve user issues, ensuring a seamless experience. Communicate clearly and empathetically in both Dutch and English.

Frontend Developer with 8+ years of experience, including 5+ years with Blazor (Server and/or WebAssembly), to design and implement web solutions within a Microsoft ecosystem.

Develop and execute sales strategies for EV charging infrastructure solutions. Identify and prospect new clients, prepare proposals, negotiate contracts, and collaborate with technical teams.

Network Engineer with +4 years of experience in CISCO technologies, including routing, switching, Wi-Fi, and Meraki. Experience with remote access, VPNs, firewalls, and security frameworks. Hands-on with Cisco ISE, Catalyst Center, wireless controllers, Azure networking, and network automation tools. Full professional proficiency in English required.

Technical Lead to design and implement integration layers using Azure Integration Services, .NET Core 6+, and Azure Kubernetes Services. Lead development teams, ensuring technical excellence and adherence to architectural best practices.

Technical Lead Engineer to own drone system development. Must have experience leading UAV/robotics systems, integration, test planning, and requirements development. Familiarity with open autopilot ecosystems and regulated development environments preferred.

Senior Project Manager / Business Analyst with 5+ years of experience needed. Must have strong understanding of business needs, experience translating requirements into functional specifications, and proficiency in Excel, PPT, Power BI, SQL, and basic Python scripting.

Customer Service Executive provides a warm welcome to customers and guests, manages on-site tasks, and contributes to a positive work environment.

Lead and manage Data & AI transformation projects, from strategy to implementation. Create and deploy Data Governance frameworks and policies. Conduct data quality assessments and lead workshops on Data & AI Governance.

Software Engineer to develop and maintain Fixed Income solutions using Summit Software. Experience with C++, C#, SQL, Shell scripting, and Git required.

Staff Software Engineer to lead AI/ML initiatives for Datadog Notebooks, focusing on natural-language data analysis, graph generation, and automated investigations.

Contribute to the validation and reliability of a digital platform by designing, executing, and improving functional and technical testing processes. Collaborate with Business Analysts, Developers, and stakeholders in an agile environment.

Business Development Manager to drive growth by identifying and developing new commercial opportunities in the biotech and life sciences sectors. Manage the full sales cycle, build client relationships, and collaborate with internal teams. Requires experience in business development, sales, or related roles within the biotech industry.

Lead the analytical backbone of fraud and AML monitoring capabilities. Design, optimize, and scale detection systems, rule engines, and data flows. Work with engineering, data science, and risk analytics to build and maintain robust monitoring systems. Manage a team of technical analysts responsible for rules design and monitoring logic.

Insurance Employee Benefits Specialist provides technical support to clients, analyzes claims experience, and supports the administration of employee benefits programs.

Junior Project Engineer to support development of overhead and underground electrical line projects. Responsibilities include preparing documentation, assisting with technical reviews, and performing calculations using specialized software. Requires a degree in Electrical Engineering or similar and 0-2 years of experience.

Senior BI Analyst needed with expertise in KNIME, Snowflake, and Tableau. Design, develop, and maintain KNIME workflows for data transformation and automation. Utilize Snowflake to create SQL queries, views, and tables. Develop advanced Tableau dashboards for data-driven insights.

Back Office Agent needed for a leading gas company in Porto. Responsibilities include managing client and patient documentation, ensuring billing accuracy, and supporting the commercial team. Fluent German and English required.

Tactical Buyer responsible for managing the end-to-end Spot Buy process, including compliance checks, quotation requests, and negotiations. Requires 2-3 years of procurement experience, strong sourcing acumen, and fluency in English and Italian (minimum B2 level).

Salesforce Developer to build scalable solutions using Apex, LWC, Visualforce, and APIs. Platform customization, integrations, and CI/CD experience required. Proven experience with Sales Cloud, Service Cloud, and Experience Cloud.