freelance English-speaking jobs in Barreiro

Sevenair Academy seeks a Sales Account Manager to present, promote, and sell aviation training services. The role involves developing and managing sales opportunities, building customer relationships, and analyzing market trends.

This role focuses on operational aspects of People Operations and Administration. Responsibilities include maintaining employee systems, drafting contracts, and improving People Operations processes. The ideal candidate has 2-4 years of experience in a similar role, enjoys structured work, and is comfortable with sensitive data. Fluency in German and English is required.

Software Engineer to develop and maintain Fixed Income solutions using Summit Software. Experience with C++, C#, SQL, Shell scripting, and Git required.

Electrical Engineer to support construction projects in Europe, Africa, and the Middle East. Analyze technical information, propose solutions, assess energy yield, and prepare electrical diagrams and documents. Requires a Master's degree in Electrical/Electrotechnical Engineering, 3+ years of renewable project experience, proficiency in MS Office, AutoCAD, PVsyst, English, and French.

Financial Accountant needed for global adhesive solutions company. Responsibilities include posting invoices, contributing to management reporting, and supporting financial incentives processes. Requires a Bachelor's/Master's degree in Accounting, Auditing, or Management, Certified Accountant designation, and 3+ years of experience. Knowledge of SAP FI and advanced Excel skills are preferred.

Experienced Cable Technicians needed for long-term data center projects. Install, dress, and secure copper and fiber cabling in live and new build environments. Must have proven data center experience, own tools, and strong recent project references.

Designs, coordinates, and delivers global phishing simulation campaigns, ensuring platform interoperability and stakeholder alignment. Manages the phishing campaign calendar, prepares and executes simulations, and provides training to cyberculture correspondents.

Global Communications Specialist to build, position, and protect a strong brand across Portugal, Spain, and Poland. Responsibilities include leading the global rollout of the Simplifae brand, refreshing product brands, managing online presence, SEO strategy, social media, and earned media initiatives. Requires strong communication, storytelling, and project management skills.

Supervises and coordinates the Front Office team, schedules, and shifts. Prepares work instructions, ensures shift changes, and maintains the presentation of the Front Office, Back Office, Lobby, and Hotel. Requires professional experience, time flexibility, and fluency in English with a preference for another foreign language.

UI Designer needed for fast-growing AI startup in Porto. Design and maintain UI elements, collaborate with product and engineering teams, and improve the Figma component library. Strong Figma skills and experience with design systems required.

Junior Property Manager to support on-site project management. Responsibilities include property record maintenance, tenant support, quality control, incident reporting, and documentation.

Marketing Coordinator will coordinate branding initiatives, manage social media, and develop digital marketing campaigns. Experience in luxury hospitality or tourism and proficiency in Portuguese and English are required.

Warehouse and Blender position available at Sherwin-Williams.

Provide customer support via live chat and email for a fast-growing fintech/crypto trading platform. Maintain strong product knowledge and resolve customer inquiries and complaints. Contribute to process and service improvements.

Experienced AWS Senior Cloud Engineer to define, implement, and enforce cloud best practices. Design, deploy, and manage cloud infrastructure using Terraform and AWS CloudFormation. Lead incident resolution and complex problem-solving initiatives.

Senior Software Developer to design, develop, and maintain scalable solutions using .NET 6+, C#, WebAPI, Entity Framework, TypeScript, Vue.js, and Next.js.

Jobbex seeks a Senior Tech Lead to design and deploy hybrid and multi-cloud architectures (AWS, Azure, on-premise). The role involves architecting AI/ML and HPC solutions for research environments and acting as a technical reference for R&I lab platforms.

Quality Assurance Manager will define, implement, and evolve test strategies and frameworks for a cloud orchestration platform. Responsibilities include partnering with developers and product managers to ensure testing throughout the development lifecycle, driving test automation, and exploring AI-powered testing approaches. Requires 5+ years of QA engineering experience, including hands-on test automation and manual testing, DevOps and cloud awareness, and expertise in modern E2E testing.

Technical Lead Engineer to own drone system development. Experience leading UAV/robotics/aerospace systems, integration, test programs, and requirements development required. Familiarity with open autopilot ecosystems and regulated development environments preferred.

International Sales Executive to manage a B2B client portfolio in France and prospect for new business in Belgium, the Netherlands, and Germany.