freelance English-speaking jobs in Barreiro

Content Writer needed to train AI models. Evaluate chatbot performance, solve problems, and write conversations in Portuguese and English. Fluency in both languages and strong writing skills required.

The Global Rewards Senior Analyst will manage end-to-end administration of global Long-Term Incentive (LTI) plans and act as the operational lead for annual salary review and bonus cycles. This role will ensure rewards processes are delivered in line with global policies and timelines, oversee data validation and payroll interfaces, and drive continuous improvement initiatives. The ideal candidate will have 3-5 years of experience in compensation or reward operations within a global organization and experience operating within shared services or global delivery models.

Design, implement, and maintain data pipelines using dbt, Trino, and Spark. Develop dashboards and reports, write SQL queries and Python scripts, and ensure data quality and compliance. Collaborate with developers on data integrations.

Provides support to the Global Broker team in the annual Broker Fee reconciliation process and periodic reporting. Assists with collecting and consolidating global contract spend data, ensuring accuracy, and preparing analysis for the Broker team and Global Buyers. Supports the maintenance of contract terms and calculation rules in IT systems.

Delivery Operations Team Lead will guide a team in analyzing, resolving issues, and driving operational excellence. The role requires experience in Transaction Monitoring, Suspicious Activity Reports (SARs), and team management.

iRESTORE seeks a Data Analyst to partner with Growth leadership, influencing revenue, contribution margin, acquisition efficiency, and forecasting accuracy. You will analyze revenue performance, monitor contribution margin, and identify drivers of change. You will build dashboards, support forecasting, and provide decision-support analysis. Experience with SQL, BigQuery, Looker Studio, and AI-assisted coding environments is required.

Fluent Portuguese-Brazil speaker needed to support a streaming platform. Apply tags and metadata to video content, ensuring accurate data entry and optimal viewing experiences. Collaborate with a team to improve discoverability and ad-insertion. Must have experience with video editing or metadata management and a strong understanding of the digital content landscape.

Software Engineer to design, build, and deploy MuleSoft integration solutions. Requires 2+ years of experience with MuleSoft, web services (REST and SOAP), and API development. Must have excellent troubleshooting and communication skills and fluency in English.

IT Project Manager with 9+ years of experience, including 3-5 years in Agile/Scrum, sought for a hybrid role in Porto or Lisbon. Must be fluent in French and possess strong communication, organizational, and analytical skills. Experience managing multi-cultural projects and a deep understanding of Scrum frameworks are preferred.

Legacy People seeks a 2D/3D Artist to design characters for various projects. Responsibilities include developing creative concepts, creating 2D artwork and 3D models, and collaborating with teams. Applicants must have proven experience in 2D and 3D character design and proficiency in industry-standard software. A strong portfolio is required.

Financial Systems Analyst needed with a degree in IT or Finance and experience in business/IT relationships. Must have knowledge of finance & budget, financial performance analysis, and Business Intelligence tools (SAP Business Objects preferred). Proficiency in Microsoft Excel, PowerPoint, and Power BI is required. Fluency in English is essential.

Senior Backend Engineer to design, build, and maintain scalable backend systems with real-time capabilities using Python. Collaborate with cross-functional teams and contribute to best practices across code quality, testing, CI/CD, and infrastructure.

EMC Test Engineer will perform in-house engineering tests, write test protocols and reports, and support formal testing at TÜV Munich. Requires experience with EMC testing according to ISO60601-1-2 and ISO60601-1-12, fluency in English, and the ability to interpret requirements and assess safety measures.

Java Developer needed for full stack web application development, including REST APIs, microservices, and cloud migrations. Experience with legacy application analysis, Vue JS, Java, JSF, Spring Boot, Docker, Kubernetes, and cloud technologies is required.

Business Analyst (French Speaker) to join BPCE SI team. Collaborate with stakeholders to gather, document, and analyze business requirements in French and English. Develop and maintain relationships with business units and project teams. Conduct business analysis, create documentation, and facilitate workshops. Support project management team and participate in user acceptance testing. Minimum 4 years of experience as a Business Analyst required. Bachelor's degree in a related field. Excellent communication skills in French and English.

Software Engineer specializing in C#/.NET will design, implement, and optimize software components for turbine and plant operations. Responsibilities include contributing to software architecture, writing testable code, and mentoring other engineers. Requires 7+ years of experience in software development and a deep understanding of software design principles and testing methodologies.

Ethiack seeks a Security Researcher to conduct vulnerability research, find CVEs, and improve automated hacking. Responsibilities include researching 0-day vulnerabilities, developing exploitation vectors, and contributing to cutting-edge cybersecurity research. Requirements include advanced Python skills, knowledge of cloud infrastructure, penetration testing methodologies, and a proven track record in CTF competitions or bug bounty programs.

Research Studentship for 6 months (renewable) to develop deep learning methodologies for subsurface earth models. Applicants must be enrolled in a PhD program related to energy and mineral resources engineering or chemical engineering.

Data Engineer with expertise in AWS cloud environments. Proficiency in Python, SQL, Spark, and AWS services like Glue, Redshift, Athena, EMR, S3, and Lambda. Experience with ETL orchestration tools and containerization.

Senior Financial Controller to support management decision-making through data analysis, reporting, and control tools. Develop dashboards, reports, and forecasting models to monitor financial performance and identify risks and opportunities.