freelance English-speaking jobs in Barreiro

Provide customer support via phone, email, and live chat in German and English. Resolve inquiries, address concerns, and ensure positive customer experiences.

Provide technical and accounting support to customers via phone, email, and chat. Prepare offers and demonstrate software solutions to prospects. Collaborate with the Customer Support team to deliver excellent customer experiences.

Linux Systems Administrator to support enterprise environments. Requires +3 years of experience, scripting knowledge (Bash/Python), and fluency in Portuguese and English. Experience with Red Hat Satellite, MongoDB, Ansible/AWX, Oracle VM (OVM), Kubernetes, and HAProxy is a plus.

Design and maintain Zumub's brand identity across various mediums, including packaging, apparel, and marketing materials.

Support innovative scalable sales programs across diverse customers, focusing on driving revenue and product adoption. Provide consultative support on agencies and advertisers accounts, drive advertiser communications and technical issue resolution.

Leads all operations for two MUTE hostels in Portugal, overseeing front desk, housekeeping, F&B, and other areas. Manages finances, human resources, sales, and marketing to achieve financial and experiential goals.

Manages auditing processes, ensuring compliance with financial regulations. Reviews financial statements, provides guidance to junior staff, and delivers audit reports.

Financial Research Analyst for AI Quality Assurance will validate, challenge, and improve AI-generated research outputs. Responsibilities include performing comprehensive reviews of LLM-generated financial research, defining and executing quality evaluation criteria, and collaborating with product, QA, and engineering teams. Requires 5+ years of experience in financial or investment research and hands-on experience with research taxonomy standards and frameworks. Strong communication skills and fluency in English are essential.

Design, develop, and maintain custom business applications using Power Platform (Apps, Automate, BI) to streamline financial workflows and integrate with Microsoft 365, Dynamics 365, Azure, and third-party services.

Lead the design, architecture, and implementation of SAP S/4HANA solutions. Define end-to-end architecture, guide functional and technical teams, and translate business requirements into scalable solutions.

Findmore Consulting seeks a Cloud Engineer to design, implement, and manage cloud solutions. Responsibilities include maintaining and optimizing cloud infrastructure, ensuring scalable and secure services, and collaborating with cross-functional teams.

Design, build, and maintain backend systems prioritizing customer success. Collaborate with cross-functional teams to architect and implement RESTful APIs and production-ready services. Apply domain modeling principles and Kubernetes for deployment and scaling.

Ferchau Spain seeks a Portuguese technical trainer to develop and deliver railway safety and operation training courses. The role involves creating training materials, assessing participant progress, and collaborating with other trainers.

Senior Transaction Screening Analyst will analyze customer transactions, conduct due diligence on alerts, and escalate transactions as needed. Requires 2+ years of experience in Transaction Monitoring, proficiency in English, and skills in Interbank Network, Payment Network Systems, and Transaction Workflow.

Quality Assurance Engineer with 3+ years of experience needed. Must have strong load/performance testing knowledge, experience with JMeter and/or k6, and experience designing and executing functional tests. Ability to review and validate functional documentation is required.

ICON plc seeks an IHCRA to support the execution and management of clinical trials. The role involves assisting with planning, initiation, and execution of trial activities, conducting site feasibility assessments, and coordinating with investigative sites.

Credit Controller responsible for managing assigned Owner accounts, ensuring timely collection of funds, account reconciliation, and resolution of Owner queries.

Technical Support Engineer needed to provide product expertise, troubleshoot issues, and act as a bridge between users and developers. Must be fluent in English, have experience with Zendesk, and be based in Portugal or Brazil.

The Head of Group Accounting & Treasury ensures financial integrity, regulatory compliance, and strategic cash flow management across global insurance operations. This role develops and implements group accounting policies, oversees tax strategies, and manages group treasury strategy.

Java Software Engineer with 5+ years of experience developing applications, including backend and frontend layers. Proven experience with HTML, CSS, JavaScript, and modern frameworks like Angular, React. Strong knowledge of relational and NoSQL databases, microservices, and cloud environments.