freelance English-speaking jobs in Barreiro

QA Engineer to perform manual and automated testing for iOS and Android applications. Design, develop, and maintain test scripts and frameworks using Appium, XCTest, Espresso, Postman, and Newman.

Contribute to the development of a modern iOS application for Bosch Air Conditioners and residential heating products. Collaborate in a multidisciplinary team, applying software development principles and tools. Design, develop, and maintain features for user flows within the iOS app.

We Are META seeks a Junior FullStack Developer with 1-3 years of experience in fullstack development using C#, .NET Core, and REST API. Must have understanding of Clean Code concepts and experience with CI/CD tools. Fluency in English (B2 or above) and availability for a hybrid work regime (2 days/week in Porto) are required.

Marketing Executive to support multi-channel campaigns, create content, and analyze KPIs. Minimum 2 years of marketing experience required. Fluency in German and English is essential.

Product and Brand Designer needed to execute UI designs, create visual assets, and ensure brand consistency across product and marketing channels. Must be proficient in Figma and possess a strong portfolio demonstrating UI, typography, and layout skills.

Provide phone, email, and chat support to French-speaking users of a global digital platform. Resolve user issues, apply communication and problem-solving skills, and ensure customer satisfaction. Native or fluent French and English (B1 or higher) required.

Accounts Receivable & Collections Assistant will generate invoices, manage customer contracts, and lead collections activities. Requires a Bachelor's degree, 2+ years of experience in billing/collections, and proficiency in Excel, ERP systems, and English.

Provides full range of contractual and administrative support and legal expertise for global client accounts. Manages contract implementation, change processes, and contract management tools. Supports drafting local agreements and advises teams on contractual requirements.

Nimber seeks a Network Architect to define requirements, assess market solutions, and design technical evaluation frameworks. The role involves collaborating with vendors and participating in procurement processes.

Business Analyst with 5+ years of experience in gathering software requirements, manual testing, and documentation. Experience in banking, finance, or accounts preferred. Must have API testing experience with Postman and strong communication skills.

Freelance AI trainer for electrical engineers with Python proficiency. Design electrical engineering problems, evaluate AI solutions, and validate calculations using Python.

Senior Scientific Communications Specialist with 2-4 years of experience in scientific content review within the pharmaceutical industry, medical education, and/or academia. Fluent in German and English (C1 or C2). Develops and reviews scientific documents, ensuring compliance with regulatory guidelines. Provides medical information support and participates in training.

Pharmaceutical Project Manager will own and drive product projects from development through launch. Coordinate cross-functional teams and global partners to ensure on-time, on-budget product delivery. Manage budgets, forecasts, and regulatory submissions.

Insurance Administrator needed for a multinational company. Process insurance policy requests, act as a point of contact, and ensure data accuracy. Fluency in French and English required.

The D2C Website Expert supports eBusiness Category Leads in implementing D2C/eCommerce strategies, coordinates project execution, and provides performance reports. The role requires 5+ years of experience in D2C/eCommerce management, website performance optimization, and project coordination.

Media Specialist will support the development and implementation of 360º media strategies, including offline channels (TV, radio, print, outdoor). The role involves managing client and supplier relationships, analyzing campaign performance, and collaborating with internal teams.

As a Human Resources Specialist, you will cultivate a positive work environment, enhance employee well-being, and drive cultural initiatives. You will develop and implement strategies to promote staff satisfaction, development, and community engagement. You will also collaborate with leadership, department heads, and the Communication Manager to achieve these goals.

Advanced Frontend Engineer needed to build and maintain the micro-frontend architecture for Feedzai's product suite. Responsibilities include developing a scalable platform, collaborating with product teams, and ensuring a seamless user experience. Requires 6+ years of experience in modern JavaScript, React, TypeScript, and micro-frontend architectures.

Leads the coordination, execution, and delivery of Convergence Real World Evidence projects. Provides expertise in data integration and analytics to develop dashboards. Works with teams to ensure data accuracy and supports affiliate and area Medical Teams with operational aspects of Convergence studies.

This role supports international order management and logistics operations. Responsibilities include coordinating shipments, resolving customer inquiries, and ensuring smooth communication between teams. The Senior will also provide technical guidance to the local Export Sales Ops team.