freelance English-speaking jobs in Maia

Leads and supports global MDP lifecycle activities, including recruiting, departures, and office transfers across 50+ countries. Manages day-to-day operations for 250+ annual lifecycle requests, ensuring precise document preparation and end-to-end tracking. Develops cash flow estimates and owns business analytics and reporting. Partners with PSG and other functions to ensure alignment, accuracy, and compliance.

Senior Backend Engineer will develop and maintain web applications, focusing on performance, scalability, and user experience. Requires 5+ years of web development experience with Golang or NodeJS, SQL databases, and knowledge of software engineering patterns. Must be able to design and implement AI-powered workflows.

Presales Engineer will design and demo cloud, AI, and data architectures for customers. Responsibilities include deep-diving into customer tech stacks, running technical workshops, collaborating with sales, and building proofs-of-concept. Must have experience with cloud platforms (GCP, AWS, Azure), data, AI, and application modernization.

Content Operations Lead will own the content production system for an iGaming crypto website. Responsibilities include writing, editing, researching, and quality-checking content, using AI tools and performance data to improve it. Requires strong technical writing, research, and crypto industry knowledge.

Design and own sourcing metrics and LLM evaluation systems for an AI-native hiring platform. Translate qualitative feedback into measurable data, build evaluation frameworks, and contribute to the platform's continuous improvement.

Responsible for supplier quality assurance and representing the plant in matters related to suppliers and regulatory agencies. Manages supplier quality management system, audits, and launch support. Requires a Bachelor's degree in engineering and experience in quality.

The Night Auditor maintains the financial standards of the hotel by managing end-of-day reports, ensuring accuracy, and investigating anomalies. They assist the Night Manager in emergencies and may perform front desk duties.

Support marketing team members with paid ad campaigns, monitor performance and budgets, and build Canonical's adtech stack.

Associate Civil Engineer to develop and design concrete and steel structures for industrial projects. Responsibilities include structural calculations, foundation design, and ensuring project compliance with regulations. Requires a Master's degree in Civil Engineering, structural specialization, fluency in English, and 2-3 years of experience. Experience with SAP2000/Robot, AutoCAD, Revit, or Tekla is valued.

Business Consultant to drive results across ventures and initiatives. Accountable for projects, evolving responsibilities, and ownership of opportunities. Requires strong analytical skills, collaboration, self-motivation, and project ownership. Must be fluent in English and either Portuguese or Danish.

Manages the implementation process for Imaging Digital Solutions (IDS), with a focus on MIM, across the customer lifecycle. Coordinates project phases, including kick-off meetings, modality loading, and data validation. Ensures customer acceptance and compliance with revenue recognition requirements. Communicates project status and collaborates with internal teams to deliver projects on time.

REB Realty Portugal seeks ambitious Private Brokers to join their team. Successful candidates will have a university degree (preferred areas: Business, Real Estate, Law, Architecture, or related), Portuguese nationality or residency, fluency in English, and strong client service orientation.

The Service Planner schedules Schneider Field Service Engineers and external partners to fulfill customer service requirements including assessments, start-ups, preventive maintenance visits, and emergency callouts. The role involves optimizing schedules, managing spare parts, and ensuring customer database accuracy.

Senior Data Engineer needed for remote project. Requires 5+ years of Azure Data Stack experience (Synapse, ADF, Databricks, ADLS), 4+ years with modern data orchestration, ingestion, and parameterization, and 6+ years of advanced SQL. Experience with Fabric, Spark, data modeling, CI/CD, and security is also required.

Drive the growth of a rapidly expanding company by leading projects, developing strategies, and collaborating with international teams. This role offers hands-on experience in various aspects of business operations and the opportunity to shape the future of the organization. Fluency in English and an EU work permit are required.

Provide customer service to clients via phone and email in French and English. Assist with reservations, cancellations, billing inquiries, and general car rental information.

Designs, builds, and operates AI capabilities for real-world applications, including LLM-enabled workflows, RAG, and agent-based systems. Translates business needs into working AI designs and collaborates with architects, platform engineers, and stakeholders. Contributes reusable AI assets and builds with production discipline, ensuring testing, version control, and CI/CD alignment. Owns small-to-mid AI workstreams from design through release and operational handover. Engineers RAG and agent-based capabilities with clear evaluation, failure-mode handling, and measurable outcomes. Partners with solution architects to integrate AI into broader delivery.

Human Resources Specialist – Training develops and delivers training programs, manages administrative tasks, and evaluates training effectiveness.

Volga Partners seeks a Language Data and Quality Reviewer fluent in European Portuguese and English for a freelance, task-based project. The role involves analyzing datasets, identifying data quality issues, and providing recommendations for improvement.

Innovation Consultant specializing in Horizon Europe Cluster 1 (Health) projects. Develops project concepts, builds consortiums, writes proposals, and manages budgets. Requires experience with Horizon Europe proposals and a Master's or PhD in a relevant field.