freelance English-speaking jobs in Barreiro

AI Machine Learning Architect needed with 7+ years of experience in software engineering, digital platforms, and large-scale technology delivery. Experience defining and executing AI or technology strategies in complex environments is required. Solid understanding of AI, machine learning, deep learning, and generative AI is essential. Must have experience with Large Language Models, model monitoring, observability, MLOps tooling, and Agile. Willingness to relocate to Portugal and C1 English proficiency are mandatory.

Full-stack developer (JavaScript/TypeScript) to develop, maintain, and operate Accurator, a purchasing tool for the construction industry. Collaborate with cross-functional teams to design, implement, and test robust APIs and software solutions.

HSSE Trainee supports the maintenance and digitalization of the Integrated HSSE Management System. Assists in reviewing and updating HSSE procedures, maintaining documentation, and supporting HSSE workshops and training. Analyzes HSSE indicators, contributes to reporting, and supports process safety management activities. Requires a Master's degree in Safety Engineering or a related field and proficiency in Microsoft Office. Fluency in English is required.

Application Security Engineer will design secure architectures, collaborate with teams on security controls, and integrate security into CI/CD pipelines. Requires experience with security scanning, microservices security, CI/CD tools, and scripting.

Hardware Technician needed for on-site support of server and storage technologies. Requires experience with HPE ProLiant, Dell, and Sun servers, technical troubleshooting, and a valid driver's license.

This role performs general brokerage tasks, assesses import package rates, and prepares customs arrangements. The position requires fluency in Portuguese, practical Microsoft Office knowledge, and problem-solving skills.

Senior Citrix & VDI Infrastructure Engineer / EUC Engineer needed. Bachelor's degree in a relevant field or equivalent experience required. ITIL expertise recommended. Must have strong project planning, tracking, and coordination skills. Ability to work flexible hours, including occasional overtime, weekends, and holidays. Global team environment, English required, other languages a plus.

Cleo is seeking a Senior Product Analyst for Legal, Compliance & Policy. This role focuses on surfacing and scaling insights to support regulatory strategy, compliance operations, and policy development. The analyst will partner with Product, Engineering, and Data to translate complex questions into actionable insights.

Review and assess user-generated content (text, images, videos) for compliance with Trust & Safety guidelines. Identify and flag content violations, escalate sensitive content, and collaborate with internal teams. Native Croatian and good English skills required.

Provide exceptional customer service to German-speaking clients via phone, email, and chat. Resolve customer issues and maintain accurate records.

Experienced ESG Auditor needed for freelance position in Portugal. Conduct social compliance audits (SLCP verifications) and environmental assessments (Higg FEM, RBA) across supply chains.

Sustainability Practice Consultant will support client-facing partners and case teams to deliver successful client outcomes. Responsibilities include developing and deploying solutions, supporting client projects, and contributing to the practice's strategy and growth. Requires 5-8 years of top tier management consulting experience or equivalent, plus an undergraduate degree, or 4-5 years of experience with an MBA/Master's. Strong analytical and problem-solving skills, experience with AI/ML technologies, and fluency in English are essential.

Lead and execute Salesforce development activities using Apex, LWC, and automation tools. Manage Salesforce release lifecycle, integrations, and code quality. Support global initiatives, UAT, and continuous improvement.

Support MoonPay's customer onboarding and ongoing due diligence processes, ensuring compliance with internal policies and global AML/CTF regulations. Conduct KYC and EDD reviews, assess financial crime risk, and collaborate with Compliance, Fraud, and FIU teams.

Senior Salesforce Business Analyst needed to translate business needs into scalable Salesforce solutions. Responsibilities include gathering requirements, designing solutions, configuring automations, and supporting platform optimization. Requires 3+ years of experience with Salesforce, including Sales Cloud, reporting, dashboards, and declarative automations.

Operations Engineer to support and maintain infrastructure, resolve operational issues, and contribute to process improvements and automation. Requires basic Linux/Windows administration, scripting experience, and cloud platform familiarity.

As a key member of the M&A team, you will identify and evaluate acquisition opportunities across Europe's vertical software landscape, with a focus on the Portuguese market. You will be involved in all stages of the investment process, from sourcing and valuation to due diligence and deal execution.

Full Stack Developer (Java / Angular / ELK) sought. Some experience in software development with exposure to both backend and frontend technologies required. Experience with ELK, Java, Spring Boot, Angular, and PL/SQL is needed. Portuguese and English C1 level required. Hybrid work model with presence required in Lisbon office.

Develop software (APIs & microservices) for a network platform, deploy infrastructure in cloud architectures, and participate in Agile projects.

Business Development Director to accelerate growth in the Medical Devices Cluster. Requires 15+ years of Business Development experience, at least 5 in a Director role, and understanding of the medical devices ecosystem.