freelance English-speaking jobs in Valongo

Accounting & Tax Manager oversees accounting closings, tax activities, and financial reporting. Manages accounting and tax processes, ensuring compliance with Portuguese GAAP, IFRS, and local regulations. Leads and supervises teams, analyzes financial data, and drives process improvements. Requires a degree in Accounting, Finance, or related field, proven tax experience, IFRS knowledge, SAP proficiency, and 10-15 years of industrial experience.

Team Lead will scale profitable campaigns across multiple geos and verticals, own significant budgets, and lead a team of mediabuyers. Responsibilities include campaign performance optimization, developing media buying strategies, and fostering a high-performance team culture. Requires 4-6+ years in media buying, proven track record managing high-spend campaigns, and experience leading or mentoring a team.

KCS IT seeks a .NET Backend Developer with 4-5+ years of experience. The ideal candidate will possess strong knowledge of .NET / .NET Core / ASP.NET Core, C#, relational databases, REST APIs, and version control (Git). Fluency in English is required. Experience with CI/CD tools, Docker, Kubernetes, automated testing, and microservices architecture is preferred.

This 1-year internship provides hands-on experience in customer care for a growing electric mobility company. Responsibilities include assisting customers via phone, email, and other channels, resolving issues, and monitoring the charging network. Fluency in Polish and French is required.

Manage day-to-day service operations for mobile and web digital products, ensuring SLAs and KPIs are met. Coordinate with vendors, infrastructure, and support teams to resolve incidents and problems. Drive root cause analysis and implement preventive measures.

Lead a team of software engineers developing cutting-edge IT solutions for energy generation on Microsoft Azure and .NET. Set goals, implement best practices, and build a strong team culture.

Lead complex SAP Logistics engagements focused on Procurement (PUR/MM), Inventory Management (IM), and Warehouse Management (WM). Manage end-to-end SAP Logistics projects, including implementations, S/4HANA transformations, and AMS. Serve as a trusted advisor to clients, leading workshops and steering committees. Manage and develop onshore and offshore teams.

IT Talent Recruiter needed with a Bachelor's degree in Human Resources, Psychology, or a related field and at least 1 year of recruiting experience, specifically in IT roles. Must have proficiency in Portuguese and English.

Provide customer support via email, chat, phone, and social media in Dutch and English. Troubleshoot technical issues and assist with account setup, billing, and identity verification.

Information Technology Strategy Consultant to partner with C-level executives, define IT initiatives, and align project portfolios with business strategy. Lead transformation roadmaps, manage projects, and ensure adoption of IT solutions.

Support and optimize ECAD environments used in electronic development. Work with electronic design tools such as Zuken CR8000. Support schematic and layout design processes and collaborate with hardware development teams.

Provide 1st and 2nd level SAP user administration support to end-users worldwide. Troubleshoot authentication issues, manage access-related tickets, and ensure secure user access across systems.

CRM Manager will define and implement CRM strategy, analyze data to drive business development, and oversee campaign execution. Requires experience with CRM platforms, team management, and data analysis. Fluent English is essential.

Data Engineer (GCP) to design, develop, and maintain scalable data pipelines on Google Cloud Platform. Collaborate with consultants, engineers, and client stakeholders on international projects. Must have solid hands-on experience with GCP, BigQuery, Dataflow, and experience building scalable data pipelines. Fluency in English is required.

Regulatory Compliance Specialist needed to interpret Portuguese and EU financial services regulations. 5-6+ years of experience in financial services regulation or compliance required. Strong working knowledge of Portuguese and EU financial services regulation. On-site presence required.

Drive high-impact digital advertising campaigns across native, DSP, and programmatic platforms. Plan, launch, and optimize campaigns, leveraging custom audience strategies and data-driven insights. Collaborate with creative teams and analyze campaign performance to maximize results.

Software Engineering Intern will assist in developing and maintaining web applications using technologies like .NET, Java, Javascript, SQL, and Azure Cloud. Interns will gain experience in UI/UX, software design, and Agile development processes.

Business & Account Manager will lead integrated influencer and marketing campaigns, manage client relationships, and contribute to new business growth. Requires proven experience in marketing, event management, and PR, with a strong understanding of the European and Asian media landscape.

Research Fellowship to carry out R&D activities within the scope of the project "STrengthS4WineChaiN". The work plan includes evaluating preparation methods, performing chemical analyses, assessing biological activities, and processing results. Must have a Master's degree in Pharmaceutical Sciences or Quality Control and be enrolled in a non-degree course.

This is an entry-level, freelance role for individuals seeking flexible work in AI language data and quality operations. Tasks include reviewing content for grammar, spelling, and clarity, translating phrases, and applying data labels.