freelance English-speaking jobs in Santarém

Data Engineer to design, build, and maintain scalable data pipelines and data models. Experience with cloud platforms (AWS), data lake architectures, and data visualization tools (QuickSight, Power BI, Qlik Sense) required. Strong SQL, Python, and data modeling skills necessary. Bachelor's degree in a related field and 4+ years of experience in data engineering, analytics, or management.

Lead the design and computational optimization of RNA therapeutics, particularly siRNA, integrating RNA biology and oligonucleotide chemistry. Define target sites, design strategies, and drive iterative design-test-learn cycles. Develop computational tools and workflows to enable scalable oligonucleotide design and data integration. Partner with chemists and delivery scientists to optimize sequence, chemistry, and delivery approaches.

Power BI Developer will design, develop, and maintain reports and dashboards. Requires 3+ years of experience in Power BI development, SQL, data modeling, and ETL processes.

Mid Data Engineer with 3+ years of experience in cloud-native data engineering and data architecture. Expertise in Microsoft Fabric, Azure Data Factory, Synapse, or comparable technologies. Strong programming skills (SQL, Spark, Python) and understanding of ETL/ELT workflows.

The Product Designer will translate product requirements and user needs into user flows, wireframes, prototypes, and high-fidelity designs. This role involves conducting user research, contributing to persona development, and collaborating with Product Managers and Developers.

Experienced IT Program Director needed to lead large-scale IT programs including data center management, digital transformation, and system migration.

Leads and coordinates AI initiatives within Governance, ensuring alignment with regulatory requirements and Nordea standards. Manages execution of AI projects, facilitates cross-functional collaboration, and translates regulatory requirements into actionable initiatives.

Provides support for food and beverage operations, ensuring smooth service and a memorable guest experience. Duties include setting tables, assisting the kitchen, and maintaining cleanliness. Must be able to stand, walk, and lift up to 25 pounds. High school diploma or equivalent preferred. Previous food and beverage experience is a plus.

BlackBox Strategies seeks a senior Email & CRM Marketing Specialist to own outbound and lifecycle messaging for B2B and B2C audiences. This role requires hands-on execution experience across email, CRM, and SMS, with a focus on campaign management, deliverability, and segmentation.

Lead .Net Fullstack Developer sought for hybrid role in Lisbon. Requires 5+ years experience as a C# .NET Developer, hands-on experience with Optimizely CMS or similar platforms, and strong knowledge of SQL/NoSQL databases and REST APIs.

AI Engineer will focus on scaling AI, ensuring accuracy, helpfulness, and reliability of existing agents. Responsibilities include maintaining evaluations, monitoring user feedback, running experiments to improve agent performance, and designing new agents. Must have functional coding experience in TypeScript or Python, demonstrated experience with LLMs, and experience creating AI agents.

SAP SD Consultant to configure SAP SD processes, identify operational enhancements, and resolve issues. Requires 5+ years of experience in SAP SD implementation, including business process analysis, configuration, testing, documentation, training, and support. Experience with S/4HANA, CS, MM, and LE is a plus.

Sales Representative supporting customers via phone and written communication to find the right auto parts. Registers new customers and processes orders. Ensures customer requests are fulfilled and provides order status updates.

The University of Porto's Faculty of Psychology and Educational Sciences seeks a part-time Research Assistant for a fixed-term project focused on teaching and pedagogical innovation. The position involves research planning, data analysis, report writing, and fieldwork.

ServiceNow HR Integration Specialist will manage the integration of ServiceNow with other HR systems, including ERP solutions, using REST-based APIs.

We are seeking a ReactJS, Ruby on Rails and React Native Developer (Mid or Senior-Level) to plan and roll out valuable products. JavaScript Developers should have a deep understanding of Component architecture, Redux, and large-scale SPAs. Ruby on Rails Developers should have experience building scalable applications and APIs using Ruby on Rails and modern web technologies. Both roles require strong testing practices, knowledge of SQL, and proficiency in Git and automation tools.

Software Engineer to build and scale a high-performance payment optimization platform. Develop and maintain robust backend services, design microservices using Java and Spring Boot, and contribute to event-driven architectures.

Customer Service Agents provide support, assistance, and communication to users in a fast-paced environment. Must be fluent in Brazilian Portuguese and English (B2 level) and have experience in paid campaign management and digital marketing.

EuroAtlantic Airways seeks a Junior Legal Specialist to draft, review, and negotiate commercial agreements. Provide legal support to HR, prepare legal opinions on passenger compensation claims, and support management on business and regulatory matters.

Mid-level Calypso Business Analyst to support a global financial institution's front-to-back Calypso implementation and collateral/liquidity management processes. Partner with stakeholders, gather requirements, and deliver solutions to enhance clearing operations and regulatory compliance.