freelance English-speaking jobs in Barreiro

Provides daily support to program and project teams, managing project assets, documentation, and communication. Develops project plans, manages critical paths, and drafts progress reports. Supports financial reporting and builds relationships with stakeholders to ensure project success.

Electronics Engineer to design, prototype, and validate electronic systems for printed e-paper displays. Responsibilities include firmware development, PCB design, integration, and testing. Requires experience in embedded systems, C/C++, Python, and PCB design tools.

As a Localization QA Game Tester, you will collaborate with a global team to ensure the accuracy and quality of localized games. Responsibilities include identifying and correcting language errors, ensuring adherence to guidelines, and reporting on issues. Fluency in Ukrainian and conversational English are required.

The Senior Manager of GBS Continuous Improvement will drive continuous improvement across all global processes. This role will develop the CI strategy, support prioritization of initiatives, and collaborate with the CI Governance on methodology development and implementation. The Senior Manager will also lead the center continuous improvement team, collaborating with other GBS organizations on ESSA projects.

Senior Environmental Engineer needed for Business Development team. Conduct Life Cycle Assessments (LCA), manage projects, and contribute to proposal writing. Requires PhD in Environmental Engineering or MSc with 3+ years experience, proficiency in SimaPro, and experience in carbon neutrality and sustainability.

Account Executive to drive new business growth in the Malta market. Responsibilities include prospecting, lead generation, pipeline management, and customer relationship management. Requires fluency in English and Italian, 1+ year of sales experience, and strong communication and organizational skills.

Sales Manager to generate new business, manage complex sales cycles, and close high-value outsourcing deals within the BPO market.

The IT Release Manager oversees planning, coordination, and delivery of software releases for enterprise solutions. The role ensures releases are delivered efficiently, securely, and aligned with strategic objectives. Experience with Microsoft technologies, cloud platforms (Azure), release automation, and CI/CD pipelines is required.

Senior Node.js Developer to design, develop, and maintain server-side applications. Requires 5+ years of Node.js experience, full-stack versatility (HTML, CSS, JavaScript/TypeScript), cloud and container knowledge (AWS, Terraform, Docker, Kubernetes), and DevOps/CI/CD experience.

Data Scientist will design and implement data-driven solutions, translate business needs into scalable data warehouse solutions, and collaborate with a team to generate insights. Requires 3+ years of experience in data engineering or data science, experience with data warehouses, and proficiency in Python and SQL.

Software Engineer to build end-to-end features using React, TypeScript, and Next.js. Experience with CI/CD pipelines and shipping code to production required.

Senior Developer for a national project. Design, develop, and maintain full-stack applications. Collaborate with teams on system integration, testing, and deployment. 10+ years of experience in full-stack development using modern frameworks and tools. Proficiency in JavaScript/TypeScript, Python, Java, and front-end frameworks. Experience with Agile methodologies and tools like Jira, Bitbucket, and Jenkins. Fluency in Portuguese and English.

This HSE Specialist role reports to the Service Manager and focuses on improving Health and Safety performance within a designated area. Responsibilities include reporting incidents, facilitating investigations, providing feedback on best practices, and supporting behavioral change initiatives.

Produces investments monitoring reports for pension funds, including asset allocation, performance, risk analysis, and strategy updates. Collaborates with other Mercer teams and external entities. Requires fluency in English, a degree in a relevant field, and 3+ years of experience in the investments industry.

Data Operations Hiring Lead will build and manage a remote team of Hiring Coordinators to streamline the recruitment process for Veeva Link's global network of freelancers. Responsibilities include designing automated hiring workflows, establishing quality control protocols, monitoring key performance indicators, and ensuring the team has the capacity to meet hiring demands.

PrimeIT seeks a Functional Tester to analyze requirements, create test strategies, and execute manual and automated tests.

Lead and coordinate production operations to meet targets and drive continuous improvement. Manage production KPIs, quality control, and maintenance schedules. Collaborate with cross-functional teams and train a high-performance production team.

Leads large-scale IT transformation programs, manages IT landscape, and drives IT strategy development. Manages CIO Office, IT budget, and vendor relationships. Requires a Master's degree in a related field and significant experience in IT strategy consulting or corporate IT management.

Provide Polish-speaking customer support via phone, email, and chat. Troubleshoot technical and product issues, collaborate with internal teams, and document customer interactions.

Ensures smooth payment flows, handles credit card transactions, reconciles accounts, and supports tax-related processes. Prepares franchisee account statements, creates invoices, and acts as a key contact for internal and external stakeholders.