freelance English-speaking jobs in Castelo Branco

Leads end-to-end data migration activities for Salesforce implementations. Defines and executes migration strategies, performs data cleansing and validation, and ensures data integrity. Collaborates with architects, developers, and stakeholders to align data structures with business requirements.

Leads the definition, execution, and acceleration of global growth strategies for the Skin Care segment. Develops and deploys the global segment strategic plan, translates strategy into regional go-to-market plans, and drives commercialization strategies. Collaborates with cross-functional teams and regions to ensure execution excellence and sustainable business growth. Requires a Master's Degree and 10+ years of experience in multinational environments, with 5+ years in B2B Marketing. Fluency in English is required.

We are seeking a 2D Illustrator to create and refine 2D game art and production assets for a game currently in development. The role involves using AI-assisted tools for ideation, variation, refinement, and support work.

Broadcast PCR Technician will join the Broadcast Operations team, ensuring reliable live sports broadcasts. Responsibilities include monitoring, coordinating, and managing technical resources, operating routing and monitoring systems, and troubleshooting operational issues.

International Student Advisor needed for Bachelor's and Master's Art and Design courses. Identify and contact potential clients, present courses, and close sales. Maintain sales records, collaborate with marketing, and meet targets. Bachelor's degree in Marketing, Sales, or related field preferred. Previous sales experience, preferably in training or education.

Senior Software QA Engineer will define test cases, test plans, and contribute to automated tests. Experience leading QA across multiple production deliveries is required. Proficiency in REST API testing, UI testing, and exploratory testing is necessary. Strong knowledge of QA methodologies, test types, and industry best practices is essential. Excellent communication and problem-solving skills are also required.

Senior Pre-Construction Manager to lead CSA and MEP elements of data center projects across Europe. Coordinate design, drive value engineering, and support tender submissions. Requires 10+ years' experience in pre-construction, design management, or project delivery with strong CSA/MEP design and coordination experience.

Regional Sales Manager to drive membership growth, lead and mentor sales teams across 10 gym locations, and exceed ambitious sales targets.

Support Arabic-speaking small and medium-sized businesses with advertising solutions. Provide pre-sales and post-sales support, troubleshoot issues, and guide customers on platform tools.

Senior Accountant needed for international entertainment and live events company. Manage full-cycle accounting under Portuguese GAAP, ensure Madeira (MIBC) compliance, and handle tax and legal filings. Proven experience with MIBC structures and Portuguese tax/accounting rules required.

Build and maintain production AI agent flows using Python and LangGraph. Design and implement automation flows and recommendation engines. Own the integration with sandboxed execution environments for tool execution.

Marketing Trainee to support brand growth and innovation in a fast-paced FMCG environment. Responsibilities include market analysis, new product development support, consumer campaigns, and social media management. Degree in Marketing, Management, or Economics required. Fluent English, analytical skills, and a proactive attitude are essential.

Full-Stack Embedded Software Engineer needed for a leading high-tech engineering firm. Design and maintain secure C/C++ applications across Windows, Linux, and RTOS environments. Develop C#/.NET desktop applications for system monitoring and configuration. Build and secure Yocto-based Linux distributions.

Analyzes financial data, supports pricing strategies, and contributes to cross-functional initiatives. Creates reports, dashboards, and presentations. Monitors KPIs and assists in implementing pricing strategies.

Senior UX/UI Designer will own end-to-end design of product features, translating user and business needs into scalable solutions. Collaborate with Product and Engineering to ensure smooth delivery and high UI implementation quality.

Backend Software Developer will design and develop high-performance streaming platform solutions. Requires proficiency in Golang or another backend language, experience with AWS and IaC, API implementation, automated testing, and a passion for AI.

Senior Full-Stack Engineer will own a product module end to end, including new features, architecture decisions, and engineering standards. Must have 5+ years of experience with C#/.NET 8, ASP.NET Core, SQL Server, and Entity Framework Core 8. Experience with AWS (Lambda, SQS, SNS, S3, Elastic Beanstalk) and ASP.NET MVC is required. Daily use of AI coding tools is expected.

UST seeks an Administrative support to join its Lisbon team. Responsibilities include pre-event, virtual class, post-event, open session, and on-site logistics support. Must have previous administrative experience, proficiency in English and Portuguese, multitasking ability, and good communication skills.

Tech Mahindra seeks a Quality Assurance Analyst fluent in Spanish and English to evaluate and rate various content types (audio, video, text, photos). The role requires strong analytical skills, attention to detail, and the ability to provide written rationales for ratings.

Project Manager to oversee development projects from initiation to completion. Responsibilities include planning, budgeting, stakeholder management, quality control, and documentation. Requires a background in real estate and hospitality development, strong leadership, and experience with project management software.