freelance English-speaking jobs in Valongo

Develop and operate a scalable, multi-tenant AI agent mesh. Integrate and deploy foundation models and design intelligent backend components for context management, RAG, and agentic collaboration.

Manages financial and accounting activities for suppliers, ensuring compliance with internal standards and company strategy. Provides expertise on AP and AR systems, assists junior accountants, and prepares complex reports. Collaborates with other departments and assists with month-end close and audit processes.

Develop, optimize, and maintain Oracle databases and PL/SQL code. Define and govern data models in collaboration with architects and business stakeholders. Analyze and improve database performance. Integrate Oracle databases with .NET / Entity Framework. Ensure data consistency, quality, and traceability.

Data Engineer needed for a project in Braga (Hybrid). Design, build, and maintain scalable data pipelines and architectures. 5+ years of experience as a Data Engineer required. Strong experience with AWS cloud services, Python, JavaScript, and Scala. Solid experience with Big Data technologies and data modeling. Advanced knowledge of SQL and NoSQL databases. Hands-on experience with Hadoop, Cassandra, Apache Hive, or similar technologies.

An Associate Analytics Engineer will implement data transformations, develop data quality tests, and assist in designing data models. This entry-level role focuses on foundational tasks using dbt, Snowflake, and Fivetran. The ideal candidate has a background in Computer Science, Information Systems, or a related field and basic experience with SQL, dbt, and modern data platforms.

Lead the design and evolution of large-scale, cloud-based data platforms. Define data engineering standards, drive complex migrations, and build scalable, secure data solutions on AWS with exposure to Azure.

Individual Contributor responsible for managing a portfolio of partners in Iberia. Develops strong communication channels, fosters trust, and collaborates with cross-functional teams to ensure partner success. Requires 2-4 years of experience in business development, account management, or client-facing roles. Fluent in Spanish and Portuguese.

Leads a team providing customer care support for a Blended Learning platform.

Identify and contact restaurants, manage the full sales process, and present TheFork products and services. Manage your sales pipeline, negotiate commercial terms, and represent TheFork professionally.

Market Intelligence Manager to shape global strategy by analyzing market trends, competitor landscapes, and customer needs. Lead market sizing and trend analysis, build account profiles, and analyze competitor performance. Collaborate with cross-functional teams to embed insights into business strategies.

The Manager, Professional Services is responsible for the Professional Services team for the eInvoicing/Compliance Network product line for EMEA. This role ensures timely completion of implementations and change requests while delivering outstanding customer service. The Manager will lead, mentor, and manage a team, monitor project execution, and develop service level standards.

Associate Digital Consultant, Salesforce supports clients in designing and implementing scalable Salesforce solutions. This role involves collaborating with clients and internal teams to understand business needs, translate them into Salesforce-based solutions, and assist in solution design, configuration, and user adoption.

Business Analyst to support decision-making, operational efficiency, and strategic initiatives. Collect, analyze, and interpret data, prepare reports, and contribute to process improvement projects. Strong analytical and communication skills required.

Junior Recruiter will join a team managing complex recruitment needs for Expert Management Consultants. Responsibilities include sourcing, candidate management, and collaborating with internal teams. Previous HR or recruiting experience is preferred. Fluency in English is required, German fluency is required for the Munich location.

Shape the future of medical imaging as the MR Growth Marketing Leader for VEGA. Define product strategy, lead market positioning, and collaborate with key opinion leaders across France & BeLux, Germany, Switzerland, Austria, Iberia, Algeria, Tunisia, and French speaking Africa. This role requires 50% travel within the zone.

Experienced People Operations Expert needed to manage Portuguese payroll and HR administration, ensuring compliance with labor law. Strong knowledge of Portuguese payroll regulations and HRIS systems required.

Junior Digital Marketer to manage social media, build newsletters, and assist with SEO and marketing campaigns. Must have strong design sense, be detail-oriented, and fluent in English.

Senior Java/Angular Developer needed for a project in Porto (Hybrid). Requires 6-9 years of experience, a Bachelor's degree in a related field, and 5+ years of full stack development experience with Java, Spring, and Angular. Must have experience with Maven, SQL databases, RESTful APIs, version control systems, and Agile methodologies. Excellent communication skills in French (mandatory) and English are required.

Embedded Software Engineer needed with a minimum of 3 years of experience in software development using C, C++, or ADA. Full-lifecycle development experience required, from requirements gathering to training. Must be passionate, driven, and possess strong communication skills. Fluency in English is essential.

Junior / Associate in Medical Writing to support projects. Draft, edit, and quality-check scientific content. Must have MSc in a scientific field, excellent written and spoken English and Portuguese, and experience in scientific writing. PhD completed or ongoing, or equivalent experience preferred. Remote-first, part-time (25-50% FTE).