freelance English-speaking jobs in Barreiro

Senior DFT Engineer to design, implement, and validate test solutions for complex SoCs. Collaborate with RTL, verification, and physical design teams. Support silicon bring-up and debug. Minimum 5 years DFT engineering experience with complex SoC projects.

Senior .NET Software Engineer to architect and maintain large-scale applications. Experience with .NET, distributed architectures, Azure, gRPC, EventHub, AKS, and Terraform required. Contribute to GitOps practices, technical mentorship, and collaborative Agile environments.

Oversee feasibility studies, collaborate on site and country list development, and ensure data accuracy. Analyze project statuses, identify risks, and manage feasibility systems. Provide training and mentorship to staff. Lead standalone feasibility services, including research, data collection, and reporting.

Linux System Engineer needed for production environments. Requires experience with Linux distributions, Python, Ansible, JVM environments, and system monitoring. Strong documentation and collaboration skills are essential. Fluent English required.

Experienced data engineer to design, build, and maintain data pipelines and infrastructure on AWS. Collaborate with product, analytics, and other teams to deliver data-driven solutions.

SAP TM Developer to implement functionalities using ABAP, BOPF, FPM, and BRF+. Configure and customize technical objects within SAP TM. Develop interfaces between SAP TM and other modules or external systems.

Provide B2B support to advertisers of a leading international client, handling product troubleshooting and ensuring customer satisfaction across digital advertising channels.

Project Manager to coordinate Visa and Mastercard payment system initiatives, including memberships, certifications, and operational support. Requires 3+ years of project management experience, strong understanding of Visa/Mastercard systems, and proven experience delivering acquiring platform projects.

Develop radar-based perception algorithms for ADAS systems. Perform software integration, testing, and validation on embedded platforms and simulators. Analyze measurement data for algorithm evaluation and optimization.

Lead a team of 3-5 PPC consultants, managing daily tasks and performance. Requires 2+ years of PPC/SEM experience, Google Ads and Microsoft Advertising proficiency, and strong analytical and problem-solving skills.

Full-stack engineer with a frontend focus to build and maintain tools for merchandisers of global e-commerce brands. Responsibilities include delivering features for the Searchandizing dashboard, improving system stability, and leading projects. Requires 3+ years of frontend experience, proficiency with React and Typescript, and backend experience using a popular framework.

Senior Cybersecurity Consultant to develop and implement security controls, risk assessments, and programs aligned with regulatory requirements. Experience in information systems auditing, compliance policies, and cybersecurity principles is required. Fluency in English is necessary.

Regional Payroll Specialist will support European payroll operations by coordinating and processing payroll activities across assigned countries. Requires 3+ years of multi-country payroll experience, ideally within a fast-paced or multi-client environment. Practical experience processing payroll in France and Germany is required.

Cloudflare seeks a Data Scientist to join the FinTech Data Science team. You will apply statistical analyses and ML models to large datasets to solve Billing and Fraud challenges. Responsibilities include leading the design and implementation of ML models to detect financial anomalies and fraud risks, leveraging AI and NLP to mine unstructured data, and managing the full lifecycle of models.

Mid-Level Business Analyst to support internal application development and enhancement for a leading financial institution. Responsibilities include gathering requirements, designing mockups, creating test cases, and ensuring seamless deployment. Requires 4+ years of experience, proficiency with Microsoft tools, Jira, and Figma, and fluency in English. French (A2 level) is required.

Bridging business and technology teams, this role ensures successful platform enablement for CAR-T operations across EMEA. Responsibilities include master data orchestration, platform configuration, and supporting country launches. Requires fluency in English, experience translating business needs into technical solutions, and strong project management skills.

Process Manager analyzes and improves company processes, supports certifications, conducts audits, and assists with project documentation. Requires a university degree, experience as an internal auditor, and expertise in ISO 9001, ISO 27001, and TISAX.

Designs the conversational "personality" and logic for AI agents, mapping dialogue flows and writing engaging messages. Analyzes data to identify issues and opportunities, ensuring quality through testing and review. Collaborates with UX, language, and tech teams to create seamless user experiences.

Procurement – Global Category Management Analyst will drive operational excellence and support high performance teams globally. Responsibilities include preparing reports and analytics on procurement metrics, collaborating with category managers, and providing updates on the Procurement Savings Dashboard.

IB / IGCSE Computer Science Teacher to deliver IGCSE and IB Computer Science curricula, as well as Cambridge Lower Secondary ICT, starting in August 2026.