freelance English-speaking jobs in Santarém

Senior Medical Writer develops high-quality clinical and regulatory documents, including study reports and protocols. Requires 5+ years of regulatory writing experience in the pharmaceutical/CRO industry and project management skills.

Senior Quantitative Analyst for Product Portfolio (Statistical Modeling) to own analytics for 20,000+ SKUs. Use statistical methods and SQL/Python to drive data-informed portfolio strategy.

Design, build, and deploy AI applications using LLMs, Generative AI, RAG, and intelligent agents. Develop production-ready solutions connecting language models with enterprise data and APIs. Requires strong Python and software engineering skills.

Senior .NET/Angular Developer needed to modernize legacy systems and build scalable solutions for the financial sector. Requires 10+ years of experience with C#/.NET, Angular, and SQL Server.

Frontend Engineer to build high-performance, data-dense UIs and architect BFF layers using Node.js/TypeScript. Requires 2-5 years of experience with data grids, MUI, and architectural principles.

Industrial Energy Systems Engineer to enhance energy performance and sustainability in sanitary ceramics manufacturing. Analyze systems, develop energy balances, and implement efficiency and decarbonization projects. Requires a relevant engineering degree and 3+ years of manufacturing experience.

Mid Fullstack Java/React Developer needed for a nearshore team. Design, develop, and maintain robust fullstack applications using Java and React. Requires 3+ years of experience with Java, React.js, and RESTful APIs.

Inside Sales role focused on outbound prospecting to identify and close new business opportunities in the SMB segment for IT solutions and cybersecurity. Requires experience in tech sales and proficiency in CRM systems.

Lead and develop the sales team to achieve commercial targets. Responsibilities include coaching, performance monitoring, and improving sales processes. Requires 3+ years in sales and 1-2 years leading a team. Fluent English and Russian are required.

Portuguese-Speaking Customer Support Representative for a global online travel platform. Assist customers with travel inquiries via calls and digital channels, requiring fluency in Portuguese and English.

Experienced Naval Architect/Yacht Designer needed to develop nautical projects for shipyards and design companies. Requires fluency in Portuguese and English, and experience with 3D modeling and stability calculations.

Develop and refine SIEM detection content using security technologies and telemetry. Translate threat intelligence into actionable detection logic and response workflows within a threat-led framework.

Oversee and manage the technical writing team in Document Control, ensuring high-quality documentation meets standards. This role involves strategic planning, mentoring, and collaborating across departments to align documentation with company goals and safety compliance.

Product Owner role requiring a Bachelor's degree and 2+ years of relevant experience. Responsibilities include reviewing domain-specific documents, providing structured feedback, and collaborating asynchronously to maintain standards. Strong analytical skills and proficiency in Excel, PowerPoint, and Word are required.

Dutch-Speaking Customer Support Specialist needed to support business clients across Europe via phone, email, and chat. This remote role requires native or fluent Dutch and good English skills to resolve technical and account issues.

Product Designer to shape Restate's core UI and visual execution. Design complex software, information design, and technical concepts. Must have experience with tools, dashboards, and design systems.

Deploy, operate, and optimize secure, scalable cloud platforms primarily in GCP, with knowledge of Azure and AWS. Focus on cloud-native solutions, IaC using Terraform, and FinOps principles.

Senior AI Product Manager to own AI and automation initiatives for internal tools and customer-facing products. Define roadmaps, translate needs into requirements, and collaborate with engineers to ship AI-enabled solutions.

Senior Google Ads Media Buyer owns e-commerce accounts end-to-end, focusing on search and shopping mastery at scale. Requires elite skills in account architecture, feed optimization (DataFeedWatch/Channable), and data-driven profit optimization.

Junior Game Developer to create and design engaging games across platforms. Responsibilities include coding in C++, Java, or Unity, testing, and collaborating with design and art teams. A degree in Computer Science is preferred.