freelance English-speaking jobs in Guarda

AI Engineer will design, implement, and maintain AI-powered applications and systems using foundation models, language models, and enterprise data. Responsibilities include building AI application harnesses, evaluation datasets, and integrating with APIs, cloud services, and workflow tools. Proficiency in Python and knowledge of LLMs, prompt engineering, and AI engineering principles are required.

Brand Manager will develop and execute brand plans for the Portuguese market, manage marketing activities, and lead product launches. Requires 5+ years of FMCG marketing experience, strong analytical skills, and fluency in Portuguese and English.

Directs the Portuguese operation, ensuring adherence to company standards, safety protocols, and operational objectives. Requires 3-5 years of river cruise industry management experience and proficiency in Portuguese and English.

Fully funded PhD research scholarships are available through the MagIC R&D Unit. Applicants must hold a bachelor's or master's degree, possess knowledge in information management or data science, and not have previously benefited from a doctoral grant. The research project must align with MagIC's strategic plan and promote conceptual and methodological integration between Management and Data Science.

Lead Data Scientist will work across functions on projects including R&D and automation. Translate client requirements into solutions, ideate and develop product innovations, and define and own the roadmap for R&D and prototyping. Build statistical and analytical models, including ML/AI approaches, and test and optimize them.

Plan, execute, and optimize paid media campaigns across Google Ads, Meta Ads, LinkedIn Ads, and other platforms. Ensure campaigns align with marketing objectives and target the right audiences. Monitor and report on campaign performance, tracking KPIs and providing insights for optimization. Develop and implement remarketing strategies and use audience segmentation to enhance campaign performance.

Software Development Engineer will focus on projects improving payment recovery rates and fraud prevention for Success+ and Protect+ products. Strong Ruby and/or Python programming experience is required.

Design Engineer to own the design of PandaDoc's API and integrations, partnering with product to shape strategy and design for developers and power users. Requires experience in design, front-end engineering, and a portfolio of shipped interfaces. Fluency in React, TypeScript, modern CSS, and experience with developer tooling is essential.

Software Engineer (Backend) will design and implement complex backend solutions using .NET, ASP.NET, and .NET Core. Collaborate with cross-functional teams to understand requirements and propose technical solutions. Develop scalable and reliable cloud-native applications on the Azure Cloud Platform.

Creative Strategist will develop and execute impactful marketing campaigns, leveraging AI tools to optimize performance. Responsibilities include analyzing creative best practices, collaborating with media buyers, and managing the creative production process. Requires 3-5 years of experience in creative strategy and performance marketing for B2C mobile applications or digital products.

The Front Desk Manager leads the Front Desk Team, ensuring a seamless and memorable guest experience. This role requires strong leadership, communication, and organizational skills, along with experience managing a team in a high-volume, luxury environment. The Front Desk Manager is responsible for guest relations, team development, and operational efficiency.

Transfer Pricing Manager designs, maintains, and monitors transfer pricing policies, ensuring compliance and risk management for intercompany transactions.

Electrical Engineering Coordinator to lead and mentor project engineers on renewable energy projects, focusing on solar PV, energy storage, and hybrid systems. Requires a Master's or Bachelor's in Electrical/Electrotechnical Engineering and 6+ years of experience. Fluency in English and French is essential.

Java Developer to build and maintain BI and data solutions, develop ETL/ELT processes, and work with Oracle DB and PL/SQL.

An Agile Delivery Manager is needed to lead the strategic proof of concept and delivery streams of AV & EDR solutions for Vodafone's telco and network infrastructure. The role requires experience in delivering complex projects, familiarity with security controls, and strong knowledge of SAFe/agile delivery practices.

Data Engineer (DBT) to design, implement, and manage data migration projects. Requires 3+ years of experience, advanced dbt skills, infrastructure-as-code experience (ideally Terraform), strong SQL skills, and AWS familiarity. Fluent English and communication skills are essential.

Design and build resilient, scalable fintech infrastructure for payments, merchant onboarding, and transaction processing across Europe. Lead the development of secure, compliant, and high-volume transaction processing services. Drive adoption of modern backend practices and shape architectural foundations for multiple teams.

Project Engineer to deliver HV substation projects for data center developments. Coordinate engineering, procurement, construction, and commissioning activities. Review technical documentation, liaise with stakeholders, and monitor project progress. Bachelor's Degree in Electrical Engineering or related field required. Experience with HV/MV substation projects and project delivery processes essential. Fluent English required.

Application Security Engineer to execute and support Application Security and Secure SDLC activities. Focus on vulnerability analysis, secure code reviews, threat modeling, and security control validation in cloud-native financial services environments. Requires experience in application security, DevSecOps, or cybersecurity with knowledge of OWASP Top 10, Secure SDLC principles, and security testing tools.

Senior Machine Learning Engineer will design, implement, and maintain reusable platform components for data and AI use cases. Responsibilities include building ML lifecycle tooling, GenAI-specific components, and supporting internal teams. Requires 5+ years of AI experience, cloud platform experience, infrastructure-as-code experience, and Python proficiency. Experience with ML workflows, Kubernetes, and LLMs is essential.