freelance English-speaking jobs in Barreiro

Provide phone, email, and ticketing system support to healthcare professionals using a digital health platform. Deliver remote training and advise on product features.

Drive new business sales for Anchorage Digital's full suite of products, originating new mandates across client types, with particular focus on crypto native firms. Originate and close a pipeline of opportunities across all of Anchorage Digital’s business lines and build meaningful long term relationships with clients.

Manual Tester to perform functional, usability, and performance testing of web applications. Design, execute test cases, and report bugs. Requires 3+ years of experience, MySQL proficiency, and experience with MS Windows operating systems.

Field Service Mechanic needed for disassembly, inspection, repair, and reassembly of centrifugal and reciprocating compressors. Experience with rotating equipment repair and strong communication skills required. Must be able to interpret specifications, follow directions, and work independently. Travel and flexibility required.

Integrate and strengthen a SAP Competence Center, defining governance standards and accelerating SAP ecosystem transformation. Ensure adoption of best practices aligned with business strategy and sustainable architectural evolution.

Lead Backend Developer (Go/Kotlin) will design and develop scalable microservices, own infrastructure provisioning with Terraform, and migrate legacy systems to GCP.

Financial Associate will assist in scaling a robust accounting and control environment for a Web3 company. Responsibilities include recording transactions, performing reconciliations, executing payments, and supporting the link between Web3 accounting software and the general ledger.

Dynamics 365 Consultant needed with a degree in Computer Engineering or related field. Must have solid front-end development experience (ES6, HTML5, CSS3) and mastery of JS, jQuery, jQuery UI, and JSON. Knowledge of React and/or React Native, full-stack architecture, and common software engineering practices is required. Experience with mobile application development (iOS, Android, MS) is a plus.

Financial Analyst to perform first-level trading control, reconcile trades, monitor give-up requests, and interact with brokers. Requires a bachelor's degree, 1+ year of banking or financial operations experience, and fluency in English.

Supports the execution of activation and change plans for a firmwide digital transformation. Tracks adoption progress, prepares materials for product launches, and coordinates with stakeholders to ensure successful implementation.

Marketing Executive to support multi-channel campaigns, create content, and analyze KPIs. Requires 2+ years of experience, fluency in German and English, and proficiency in digital platforms and marketing tools.

As a Chemfeed Project Engineer, you will design and implement chemical dosing solutions for new build and replacement projects. You will manage multiple projects, coordinate resources, and ensure on-time and on-budget delivery. You will also support commissioning activities, manage customer satisfaction, and participate in proposal activity reports.

Legal Compliance Specialist to conduct legal analysis, map processes, and implement knowledge management systems within technology-driven workflows.

Develop and maintain production-grade ML features (e.g., intent detection, sentiment analysis) for millions of users. Design, build, and optimize scalable ML pipelines for processing large text datasets. Collaborate with ML Scientists and Product teams to productionize models and experiment with emerging AI technologies. Lead technical design, code reviews, and architecture decisions for ML/AI systems. Develop and evolve MLOps processes (CI/CD, model versioning, monitoring, and observability). Mentor junior engineers and share knowledge of model development, deployment, and best practices. Investigate and resolve complex production issues.

Supports and oversees labour compliance across a live construction site. Monitors subcontractor compliance with Portuguese labour legislation and ensures workforce documentation accuracy. Acts as the on-site point of contact for labour compliance matters and assists with worker inductions. Prepares documentation for audits and reports on compliance status.

Manage engineering activities for large-scale energy projects, focusing on power generation and renewables. Plan, monitor, and ensure budget, timing, and quality of engineering works. Participate in design, calculations, and reporting. Collaborate with clients, partners, and colleagues.

Primary School Teacher needed for a small mixed class (1st-4th grade) in Lisbon. Must have appropriate training, knowledge of the Primary Education curriculum, and experience in teaching.

Recruiter to manage full recruitment lifecycle for IT and technical profiles in Lisbon, Portugal. Minimum 2 years recruitment experience, ideally in agency, consultancy, or high-volume environment. Must be fluent in Portuguese and English.

Quality Assurance Test Lead will define project test approach, analyze requirements, develop and execute test scripts, and report on test progress. Must have a bachelor's or master's degree in informatics, computer science, or a related field and proven experience managing test/project teams.

Senior AI Solutions Architect to scale FSI-only AI consultancy. Support business development, engineering team growth, and AI system architecture and implementation.