freelance English-speaking jobs in Barreiro

Perform IT audit engagements (ISO27001) and readiness assessments. Evaluate technology controls, identify findings, and communicate with clients and management.

Manages the end-to-end lifecycle of card products, collaborating with cross-functional teams to ensure success and drive revenue growth.

Mechanical Engineer needed for a leading construction company. Responsibilities include site supervision, procurement planning, drawing interpretation, and technical reporting. Requires a B.Eng in Mechanical Engineering, 2+ years experience, AutoCAD proficiency, and knowledge of plumbing and fire systems.

Fundraisr seeks a part-time hybrid Web & UX/UI Designer in Lisbon. Responsibilities include designing and developing visually engaging websites and interfaces, optimizing user experiences, and collaborating with cross-functional teams.

Portuguese-speaking IAM engineer needed for a large IAM implementation project with a leading telecommunications client. Will involve configuring, deploying, automating, modifying, and upgrading Okta. Requires extensive IAM engineering experience, knowledge of IAM/IGA, and hands-on experience with IAM tools (Ping Identity, SailPoint, Entra ID, etc.).

As a Presales Solutions Engineer, you will support TeamViewer's commercial business by demonstrating the capabilities of TeamViewer ONE and collaborating with sales teams. You will analyze customer requirements, develop solution designs, and assist with Proof-of-Value and Proof-of-Concept activities.

Consultants drive change in the life sciences industry through communication and change management. Support projects in medical devices, R&D, clinical operations, and regulatory affairs.

Senior/Lead Backend Engineer (Golang) to design and develop scalable, distributed applications and microservices for a decentralized cloud platform. Requires strong expertise in Go, P2P systems, and system-level programming.

Experienced Machine Learning Engineer to join a team developing software primarily in Python for data scientists. The team creates and maintains packages that support ML engineering projects and works closely with the model building team. Requires experience with algorithms, data structures, performance optimization, and software development best practices. Familiarity with DNN libraries (PyTorch, TensorFlow, Flux) and machine learning processes is essential.

Native Dutch/Flemish speaker with strong English (B2+) skills needed for a luxury concierge role. Experience in customer service, hospitality, travel, or luxury services is beneficial.

AI Innovation Engineer to design, develop, and implement AI-driven solutions for optimizing testing within OutSystems applications. Requires strong OutSystems proficiency, 3+ years in test automation, and 1+ year in AI technology.

The QEHS Technician supports the implementation and monitoring of health, safety, environmental, and quality programs at the Porto site. Ensures compliance with regulations and standards, promotes safety culture, and contributes to environmental sustainability.

Speechify seeks a Software Engineer to build and maintain data infrastructure for AI model training. Responsibilities include data collection, pipeline operation, and collaboration with scientists to optimize data quality and scale.

Provides support and guidance in the adaptation and implementation of standards across the dealer and workshop network. Conducts on-site audits and offers support throughout the audit process. Delivers training to the dealer network and translates manuals. Resolves questions and prepares reports. Collaborates on consulting projects.

HR Administrator to support employee life cycle processes including recruitment, onboarding, and benefits administration. Responsible for data accuracy in Workday, responding to employee inquiries, and managing HR documentation. Requires 2+ years of HR experience and proficiency with Microsoft Suite and HRIS systems.

GoMining seeks a Referral & Ambassador Manager to grow its referral ecosystem. This role involves identifying and attracting ambassadors, managing partnerships, and collaborating with marketing and product teams to scale referral-driven revenue.

Senior Software Architect needed for a hybrid role in Lisbon. Requires 5+ years of experience in software development and architecture design, strong understanding of cloud-native apps, AWS, microservices, and SOA. Expertise in Java, Python, or C#, excellent communication skills, and proven ability to analyze systems and suggest solutions. Fluent English required.

Drive revenue growth by prospecting, acquiring, and managing advertising clients across digital platforms. Lead the full sales cycle, from identifying prospects to onboarding new accounts.

The Sales & Financial Reporting Analyst creates and maintains reports on order intake, sales performance, pipeline, and financial metrics. This role supports month-end closing activities, ensures compliance with reporting standards, and provides insights to drive decision-making.

Develop, maintain, and support compliance systems using C# .NET Core and React. Contribute to functional and technical specifications, execute test plans, and provide technical support.