freelance English-speaking jobs in Valongo

Junior Product Engineer to join the C360 program, developing backend services and RESTful APIs using Python. Contribute to building scalable microservices and integrating data from multiple sources. Requires 2-3 years of Python development experience.

Senior FullStack Developer needed to build backend applications with Java (Quarkus/Spring Boot) and frontend components using Angular/TypeScript. Experience with AWS, Kafka, and microservices is required.

Lead and coordinate strategic Marketing & Sales Data initiatives across international teams. Manage cross-functional collaboration, drive scalable data product implementation, and ensure alignment between business needs and technical delivery.

Associate supports the quarterly valuation cycle, develops financial models, collaborates on reporting, and assists with audits in a growing investment firm.

Lead end-to-end SAP Public Cloud implementation projects, from discovery to go-live and support. Collaborate with clients to design scalable SAP Public Cloud architectures and configure solutions. Provide strategic guidance on SAP Public Cloud capabilities and best practices. Mentor junior consultants and support team development.

Lead complex AI-assisted SAP data migration and modernization for clients. Define migration strategy, architecture, and technical roadmaps for SAP assets to modern data platforms. Requires extensive SAP experience.

Evaluate AI personalization features and analyze responses for quality, providing structured feedback. This role requires creativity in prompt engineering and the ability to work independently.

Application Security Engineer needed with 3+ years of experience in application security and DevSecOps. Must have strong programming skills (Python, Bash, Java, or Go) and knowledge of security standards (OWASP Top 10, ISO 27001). Fluency in English is required.

Senior Data Engineer to design, implement, and oversee data architectures using Azure tools. Develop and improve data pipelines, ensure data quality, and collaborate with stakeholders. Requires +5 years of experience in Data Engineering, mastery of Azure tools, and knowledge of SQL, Python, and Spark.

ServiceNow Administrator needed to configure and administer the platform, including Incident, Problem, Change, CMDB, and Service Catalog modules. Requires ServiceNow Certified System Administrator and experience with REST/SOAP APIs.

Salesforce Developer needed to design and deliver scalable solutions. Requires 3-4 years of experience with Apex, LWC, Aura, SOQL/SOSL, and integrations. Must have hands-on experience with CI/CD tools and Git.

Portuguese language expert needed to train AI models. Evaluate model performance, document errors, and suggest improvements. Master's or PhD in Portuguese language, linguistics, or related field preferred.

This hands-on role supports and scales IQVIA's global Application Security and DevSecOps capabilities. The Application Security / DevSecOps Specialist will drive adoption of CI/CD security controls, provide security guidance to development teams, and support application security assessments. Responsibilities include integrating security controls into build and deployment workflows, working with cloud environments (Microsoft Azure and Amazon AWS), and contributing to the implementation of DevSecOps practices.

Lead the New Product Introduction (NPI) function, managing the lifecycle from customer onboarding to serial production. This role bridges customers, engineering, and manufacturing to drive product industrialization and launch.

Seeking a French-speaking Customer Support Specialist in Porto to assist telecom customers with services, subscriptions, and technical issues. Requires strong problem-solving skills and customer focus.

Provide technical security expertise and strategic advisory to Flutter's divisions, ensuring industry best practices, regulatory compliance, and risk mitigation. Act as a trusted advisor, guiding teams to embed security into their decision-making and technology development.

Own the full lifecycle of Shield (fraud prevention) and Insights (operational intelligence) for a white-label casino platform. Requires 3+ years in Product Management with experience in fraud, AML, payments risk, or compliance products.

The 2nd Receptionist manages guest check-in/out, room allocation, and inquiries to ensure an exceptional stay. Requires Front Office experience, Hotel Management background, and fluency in the local language with high English proficiency.

Contribute to the delivery, enhancement, and support of a Murex regulatory platform in an Agile environment. Responsibilities include developing regulatory solutions, maintenance, and strategic projects. Requires Murex experience (Datamart, MSL, Exchange MXML), Shell scripting, Oracle SQL/PL/SQL, and Python.

Lead a team of digital-first Onboarding Managers to help high volumes of customers implement and realize value. Focus on accelerating activation, reducing manual steps, and improving onboarding consistency.