freelance English-speaking jobs in Maia

Data Engineer needed to design, maintain, and migrate data structures for healthcare reporting and operational systems. Requires experience with Oracle databases, PL/SQL, Pentaho, and data modeling. Must have a strong focus on data quality and integrity. Fluent Portuguese required. Hybrid work model with 2 days per week in office (Lisboa or Porto).

Experienced IT Transformation & Solutions Manager needed to lead a team of Full-Stack Developers. Design and deliver innovative solutions aligning with business objectives and customer experience. Drive digital transformation initiatives and leverage automation and AI.

Salesforce Developer with 3+ years of experience in the Salesforce ecosystem. Experience in Salesforce Platform, Service Cloud, Sales Cloud, or Experience Cloud required. Must have experience with Apex, LWC, Aura, REST/SOAP integrations, and team management. Fluent English required. BSc or MSc in Computer Science or related field and relevant certifications are mandatory.

Freelance peer reviewers with a PhD/MD and two recent publications in arrhythmia are needed to assess manuscript novelty, study design, literature review, results, and provide constructive feedback.

Lead Associate in Sales Operations will support WTW's Health, Wealth & Career (HWC) Segment in Great Britain. This role blends data analysis, project management, process optimization, and campaign execution to support the entire sales lifecycle. The ideal candidate will collaborate with global and local teams to drive sales enablement, operational excellence, and client experience.

Senior Python Software Engineer to design, maintain, and scale backend systems for unattended retail devices. Experience with Django, REST APIs, PostgreSQL, and cloud infrastructure is required. Responsibilities include building integrations, mentoring developers, and documenting APIs.

Technical Consulting Engineer role at Cisco in Lisbon. Develop a range of technical skills and expertise in areas like routing, switching, security, virtualization, and more. Work with customers to solve technical issues and contribute to the success of Cisco's solutions. Recent graduate or equivalent experience required. Must be proficient in English.

Design and optimize ESG processes for efficient data collection, processing, and reporting across MAN Truck & Bus entities. Collaborate with stakeholders to ensure compliance and drive digitalization using AI and robotics.

Leads ITSM projects focused on ServiceNow implementation and enhancement. Manages cross-functional teams, translates business requirements into technical specifications, and oversees integrations with other platforms. Applies project management methodologies and ensures project alignment with client objectives, timelines, and quality standards.

Data Analyst will develop and maintain executive dashboards, analyze large datasets using Google BigQuery, and administer procurement tools. Strong experience in data analysis, data visualization, and proficiency in Google BigQuery, Looker Studio, and Google Sheets are required.

SAP MM/MD Demand Manager will build and maintain system landscapes, create migration plans, and guide projects through all phases, including implementation, testing, and handover. Requires a Bachelor's degree, proven experience as an MM/MD Demand Manager, and expert knowledge of SAP/S4 HANA and ECC releases.

Luxe Talent seeks a Key Account Executive to manage and develop relationships with key clients in Asia. The role involves coordinating communication, ensuring client satisfaction, and supporting account planning for a global fashion and textile accessories company.

Accountant to support Treasury department with Accounts Payable and Receivable activities. Requires 2-3 years experience, strong Primavera knowledge, and fluency in Portuguese and English.

Senior Full-Stack Software Engineer will build and improve web applications, dashboards, and data tools for a non-profit focused on open-source energy planning. Responsibilities include developing APIs, automating workflows, and ensuring quality through CI/CD. Requires senior experience with full-stack development, cloud services, and Python and JavaScript.

Experienced Operations Manager to lead pre-commissioning and remote intervention activities. Provide expert guidance across projects and tenders, ensuring scope readiness and collaboration. Support Equipment Assurance team, resolve operational queries, and shape robust processes.

Waiter/Waitress to provide excellent table service, ensuring guest satisfaction by attending to their needs and delivering food and beverages promptly.

The HSE Specialist will implement, maintain, and improve the HSE Management System, ensuring compliance with legal requirements, ISO standards, and corporate governance. Responsibilities include risk assessments, incident control, audit support, performance monitoring, and technical HSE guidance to asset and project teams.

Leads and develops the Product Design function, focusing on simplicity, usability, and customer outcomes for solopreneurs and micro-businesses. Ensures design is deeply embedded in problem definition, product strategy, and delivery of coherent experiences. Advances AI-enabled design practices to increase speed and improve outcomes. Owns and evolves the design system, balancing consistency, scalability, and innovation. Leads, coaches, and grows a senior Product Design team.

Research Fellow to isolate and characterize phages targeting anaerobic bacteria. Contribute to experimental planning, execution, and data analysis within a microbiology/phage research setting. Collaborate with a team to advance microbiome science and antimicrobial innovation.

Design, develop, and maintain automated test suites for web applications, mobile apps (iOS/Android), and APIs. Contribute to the development and improvement of test automation frameworks. Execute functional, regression, performance, and load testing. Identify, log, and track defects.