freelance English-speaking jobs in Guimarães

Transcribe unscripted telephone conversations for AI development. Responsibilities include audio segmentation, verbatim transcription, and metadata management. Must maintain high accuracy and adhere to specific transcription conventions.

The SG&A Controller will monitor, analyze, and report Selling, General & Administrative expenses. This role will support budgeting, forecasting, and variance analysis, identify cost-saving opportunities, and ensure compliance with financial guidelines.

Lead the seller growth and monetization strategy for a European motors marketplace. Define and drive product strategy, leveraging data and user research to improve supply growth, conversion, revenue, and user satisfaction. Collaborate with engineering, design, pricing, and commercial teams to deliver high-impact features.

Software Engineer to develop and maintain scalable web applications, build APIs, and write clean code. Experience with C#, .NET, Node.js, and frontend frameworks is required.

OTC Derivatives Sales Trader connects clients with tailored crypto derivative solutions, navigating complex market dynamics and driving revenue. Builds and nurtures relationships with institutional clients, understanding their needs and providing solutions. Leads client relationships and sales processes, guiding clients through complex derivative transactions. Collaborates with trading, structuring, legal, and operations teams to develop solutions. Communicates complex derivative concepts clearly to clients. Requires a strong understanding of OTC derivative products, proven experience in a client-facing sales-trading role, and a track record of building relationships with institutional clients.

Leads a frontend engineering team delivering checkout solutions on a React application. Responsibilities include design, development, unit testing, and code review. Requires 3+ years of lead experience, 5+ years as a Front-End Software Engineer, and expertise in JavaScript, TypeScript, HTML5, and CSS.

Operating Center Engineer to ensure stability and reliability of critical systems and platforms. Responsibilities include monitoring system alerts, detecting anomalies, responding to incidents, and using ticketing systems.

Jobbex is seeking an AI Security Specialist to conduct security assessments of Microsoft Copilot environments, identify and mitigate risks, and implement security controls. Responsibilities include threat modeling, security testing, incident response, and providing 3rd level support.

Content Manager/Editor to create, manage, and optimize digital content across platforms. Collaborate with stakeholders, developers, and cross-functional teams to ensure high-quality user experience and efficient workflows.

The Yazaki EMEA Microsoft 365 Engineer supports the administration, configuration, and operation of Microsoft 365 services across Europe, the Middle East, and Africa. This role focuses on day-to-day platform operations, implementation of approved designs, and regional support.

Quality Engineer will oversee quality control and logistics for orders, collaborating with manufacturing partners to ensure quality standards and delivery timelines.

Manage resale opportunities sourced from an international investor ecosystem. Drive transactions from onboarding to closing, including defining go-to-market strategies, activating buyer pipelines, and collaborating with stakeholders.

The Electrical Engineer will govern and coordinate change across data centre facilities, ensuring operational stability and service continuity. Responsibilities include managing the change lifecycle, overseeing Planned Preventive Maintenance (PPM), and coordinating with stakeholders to ensure controlled execution of changes.

Support the development and industrialization of new heat pump water heater products. Analyze legislation, standards, and technical requirements. Define validation strategies, test plans, and engineering test methods. Execute laboratory testing and prepare technical reports. Collaborate with cross-functional teams.

Cloud Architect and Advisor needed to act as a primary point of contact for customers on technical topics related to SAP Cloud ERP Private Edition. Will present technical, security, and operational aspects of the solution to customers and support the sales cycle. Requires 8+ years of experience with customer-facing SAP Technology Consulting in large-scale environments and 6+ years of experience with solution design and enterprise architecture. Fluency in English is required.

Systems & Technology Specialist provides technical support, troubleshoots issues across platforms, and investigates problems to resolution. The role involves identifying inefficiencies and using AI to automate processes.

Network & Security Engineer needed to design, implement, and support network and security infrastructures. Requires a degree in a related field, strong experience with firewalls (CheckPoint, Fortinet, Palo Alto), and knowledge of management platforms (Panorama, FortiManager, FortiAnalyzer). Experience with load balancers (F5 BIG-IP/BIG-IQ, A10), Cisco ACI Fabric & Cisco Legacy, SSL VPN solutions, and monitoring tools is also needed. English proficiency at B2 level or higher is required.

The IT Support Officer provides advanced technical support to the organization. Responsibilities include managing hardware and software systems, ensuring security and optimization, and resolving complex technical issues.

Junior DLP Analyst to join an international Cybersecurity team. Assess and analyze DLP tool events, escalate as needed, and investigate potential data leaks. Contribute to testing and analysis of new DLP policies. Fluent French and English required.

Application Support Engineer (application integration) to support the deployment, reliability, and continuous improvement of EPI/WERO applications. Responsibilities include environment setup, integration, observability, CI/CD, incident management, and collaboration with development, production, and business teams. Requires at least 3 years of experience in application integration or advanced L3 application support with strong hands-on skills in Linux, Kubernetes, and CI/CD pipelines.