freelance English-speaking jobs in Maia

Design and build the agentic infrastructure that powers DOJO, including orchestration systems, agent architectures, and evaluation frameworks. Own the full lifecycle of agentic capabilities, from prototyping to production deployment. Work closely with the data team to integrate agent performance with data quality and model improvement.

Provides first/second level desktop support, troubleshooting hardware, software, and application issues. Installs, upgrades, and supports Windows 11, Microsoft Office 2010, Cisco Jabber, and other authorized applications. Requires 2-3 years of IT experience, including Windows 10/11, Active Directory, and MS Office 365.

Provide operational support for Sales and Trading desks, ensuring accurate trade booking and process integrity. Validate and allocate trades, manage trade matching, and perform reconciliations. Support client lifecycle management and collateral workflows.

Retail Specialist to manage operations and brand promotion across Portugal. Oversee retail execution, sales strategies, and visual merchandising to enhance brand image and sales performance. Collaborate with cross-functional teams and distributors to achieve business targets.

Document Control Administrator needed for an Oil & Gas project. Manage, control, and organize project documentation, ensuring accuracy and accessibility. Support engineering, inspection, and coordination teams with document tracking.

Security Business Developer Analyst will support proposal development, practice portfolio organization, marketing and event operations, and partner management. Requires a Bachelor's degree in a relevant field, technical security literacy, digital agility, and strong written communication skills in English.

Design and build customer-centric backend systems, collaborating with cross-functional teams. Architect RESTful APIs, implement backend services, and utilize Kubernetes for deployment and scaling.

Multilingual Customer Support Agents provide phone, chat, and ticketing support to riders of a shared mobility platform. Resolve general inquiries, ride-related issues, and account support. Fluency in Italian/Hebrew/German and English required.

Experienced Vue.js Developer needed to design, develop, and improve web applications. Must have proficiency with CSS Animations and Websockets.

Machine Learning Engineer to build a decision intelligence platform for industrial markets. Focus on time-series modeling, signal discovery, and probabilistic forecasting using techniques like ARIMA, ETS, and machine learning.

The Senior GRC Privacy Analyst develops, implements, and maintains privacy program processes and documentation, including PIAs, DPIAs, and DSARs. This role supports privacy-by-design practices, assists with third-country data transfer risk assessments, and participates in GRC rotational responsibilities. The Senior GRC Privacy Analyst collaborates cross-functionally to operationalize privacy and security requirements.

Senior Data Analyst to design and maintain Power BI dashboards for a global investment bank. Responsibilities include data modeling, advanced DAX modeling, ETL processes, data validation, and security implementation. Requires 5+ years of experience in data analytics with expertise in Power BI, DAX, M, and SQL.

Senior Software Tester with strong manual testing skills needed for a 3-month contract. Develop and implement test plans, design test cases, and conduct functional, regression, performance, and usability testing. Experience with automation testing tools and frameworks is required.

Experienced Wind Turbine Service Technicians needed for long-term contract roles in Portugal. Perform scheduled maintenance, fault finding, and general service on GE 1.5 MW and 2.5 MW turbines. Must have proven experience with GE platforms and GWO Basic Safety Training.

Test and validate electronic products, assist in hardware and firmware debugging, assemble and repair electronic boards, and support PCB design.

Participate in internal audits of various areas related to Anchorage Digital's business and IT operations, including compliance program audits. Execute audits under the guidance of experienced Audit Leads, contributing to problem-solving and risk evaluation.

Develop and maintain Datalab and Datamart solutions using Teradata technology. Design data collection, storage, and processing solutions. Create data exposure views for analytical and management reporting tools. Contribute to project-based initiatives and operational tasks.

The Host will welcome and assist guests, ensuring a personalized and memorable experience. Responsibilities include check-in/check-out, managing reservations, providing information about hotel services and local attractions, and handling guest requests.

Client Advisor needed for Diamonds Factory store in Lisbon. Provide personalized consultations, guide customers through bespoke design, and deliver a luxurious shopping experience.

Lead and prioritize product integrity backlog for a sophisticated unmanned platform, ensuring reliability, safety, and certification alignment. Define safety requirements, collaborate with airworthiness teams, and translate certification needs into actionable engineering work.