freelance English-speaking jobs in Valongo

The AI Engineer designs, builds, and deploys AI solutions using Microsoft Copilot Studio, Power Automate, and Azure AI Foundry. The role integrates AI with Nadara's data platforms and collaborates with stakeholders to define use cases and translate requirements into technical specifications.

Review and moderate user-generated content (text, images, videos) to ensure platform policies and community guidelines are followed. Identify and remove or flag inappropriate content.

Lead SAP IBP S&OP workstream with several years of experience. Manage business and consultant stakeholders, demonstrate strong leadership, organization, and communication skills. Fluent in English required.

Manages the day-to-day planning, execution, and coordination of complex software development projects. Works across multiple software sub-teams to turn project objectives into detailed execution plans. Ensures every task has a named technical owner and drives plans to delivery. Tracks progress, identifies risks, and manages cross-team dependencies.

Supports quotations and orders, managing workflows and collaborating with team members. Requires proficiency in Excel, strong attention to detail, and fluency in Portuguese and English.

Senior Developer to build the foundation of an AI-driven tech company focused on cultural and educational experiences. Will own the architectural layer, integrate AI/ML APIs, and mentor future hires. Must have 5+ years of software development experience across modern stacks, cloud infrastructure, and AI/LLM integration.

PL/SQL Developer with 6+ years of experience needed for database interactions and data manipulation. Proficiency in Linux ksh scripting, CI/CD tools (Jenkins, Maven), and Banking/Investments industry knowledge required. Fluency in English (B2 or above) and French (preferred). Hybrid work model, 2 days/week in Porto office.

DevOps Engineer needed for enterprise cloud environments (AWS core competency). Design, operate, and evolve critical platforms with focus on automation, reliability, security, and continuous improvement. Troubleshoot infrastructure issues and collaborate with product and business teams.

Junior Unity Developer to create and maintain interactive games and applications. Requires a Bachelor's degree in Computer Science or equivalent, strong C programming skills, and experience with the Unity game engine.

Site Manager to oversee all project stages, manage budgets, and coordinate with stakeholders. Requires a degree in Civil Engineering or Architecture and 3+ years of construction management experience.

Business Consultant position available for recent graduates or final year students with a solid academic record and strong work ethic.

Project Manager needed for national and international projects. Lead organizational assessments, map processes, and design operating models. Manage projects, stakeholders, and ensure high quality deliverables.

Data Scientist needed to design, build, and evolve data solutions. Requires expertise in Python, Power BI, relational and non-relational databases, and data warehousing. Collaborate with teams to deploy machine learning models and optimize data processes.

Promptly is seeking a Senior UX Researcher to lead discovery research, validate product features, and build the research practice. The ideal candidate has 4-7 years of experience in UX research, ideally in B2B software, healthtech, or specialized user contexts.

DevOps Engineer needed with 3+ years of experience in IT Operations, DevOps, or SysOps. Must be proficient in Terraform and Kubernetes, have experience with CI/CD pipelines and Ansible, and possess strong cloud/infra experience. Fluency in Portuguese is required.

The Senior Site Reliability Engineer is responsible for running and improving reliability engineering systems, including automation, observability, and operational tooling. The role designs and implements solutions to eliminate operational toil and embed reliability into delivery workflows. Responsibilities include leading incident response, mentoring engineers, and communicating engineering status to stakeholders.

Senior Global PV Policy, Regulation and Compliance Manager supports the Global Pharmacovigilance organization and the QPPV. Responsibilities include managing procedures, training, and compliance oversight. The role requires a degree in Veterinary Medicine and at least 3 years of experience in a regulated industry, preferably in pharmacovigilance.

Data Scientist to build predictive models, test hypotheses, and provide data-driven insights to enhance lead generation. Will work with analytics, IT, marketing, and CRO teams to transform raw data into actionable insights. Requires 3+ years of experience in data science or machine learning, proficiency in Python and ML libraries, and strong statistical foundation. Experience with digital marketing, lead generation, or ad-tech is desirable.

Senior Financial Analyst will conduct in-depth revenue and cost analyses, streamline financial processes, and develop financial dashboards. Requires 4+ years of finance experience, strong Excel skills, and proficiency in digital tools.

Senior Fullstack Developer with 5+ years of experience in software development (React.js, Angular.js, .NET, Node.js, Python) sought. Must have a strong understanding of Object-Oriented Programming (OOP) and experience with various open-source programming languages. Fluency in English is required.