freelance English-speaking jobs in Santarém

Junior Technician to support installation, maintenance, and testing of railway signaling equipment. Assist experienced professionals in ensuring the safety of Portugal's railway lines. Recent degree in Electrotechnical Engineering, Electrical Engineering, or related field required. Basic knowledge of electricity/electronics, IT, and strong attention to detail.

Leads a team of data scientists, develops analytical capabilities, and drives data strategy for a smoke-free product business. Requires a PhD in a relevant field, 7+ years of experience leading data science teams, and proficiency in Python, SQL, and AWS.

Lead a team of developers in the creation of .NET applications. Provide technical direction, ensure code quality, and contribute to the development process.

Project Manager to lead end-to-end agentic AI projects using classical project management methodologies. Requires proven experience delivering agentic AI projects and expertise in WBS, Gantt, CPM, EVM, and formal change control.

Leads the planning, coordination, and delivery of transformation initiatives within the GBS Transformation Factory. Manages scope, milestones, resources, risks, and interdependencies across multiple workstreams. Coordinates multi-disciplinary Agile squads and ensures delivery to time, quality, and value.

Senior Fullstack Developers needed for a 6-month project with potential extension. Responsibilities include developing, maintaining, and improving both backend and frontend components of web applications, migrating legacy frameworks, and ensuring high-quality software delivery. Must have 6+ years of experience in Fullstack Development with strong Angular and .NET/C# skills.

Bilingual Content Developer (Polish & English) needed to create, localize, and support B2B digital advertising content. Must have native Polish fluency and professional English proficiency. Previous experience in content writing, localization, or customer support is preferred.

Test Engineer to ensure high quality standards for Maxi-Cosi and Bebeconfort products. Manual and automated testing, bug identification, and test strategy development.

The Product Strategy Analyst translates strategic direction into organized plans, requirements, and deliverables. This role involves building executive presentations, coordinating work plans, and capturing product requirements. The Analyst supports leadership forums, interviews, and workshops, synthesizing findings and integrating them into product documentation.

Leads product strategy and roadmap for CloudCockpit, a cloud commerce marketplace for Microsoft partners. Manages product backlog, collaborates with engineering teams, and ensures a user-centric approach. Requires 3+ years of product management experience, preferably in SaaS, cloud, or B2B technology. Proven experience within the Microsoft ecosystem and familiarity with Microsoft CSP, Azure, and the Microsoft Partner Network are essential.

Operations Engineer for critical M2M solution supporting telecom operators. Requires experience with Linux, Windows, monitoring/testing tools, databases, virtualization, and IP networks. Familiarity with mobile network infrastructures (4G/LTE, 5G) and scripting languages (Node.js, Python, REST) is essential. Fluent English required.

This role focuses on operational reporting, observability, and DevOps automation to ensure platform reliability. Responsibilities include maintaining SQL-based reporting, analyzing data, building dashboards, and collaborating with teams to improve service stability. The ideal candidate has 5-10 years of experience in DevOps, operations, or data-focused roles with strong SQL skills and experience with Elasticsearch and Kibana.

Software Engineer evaluator will create datasets for training and benchmarking large language models. Responsibilities include curating code examples, evaluating AI-generated code, and collaborating with teams to enhance AI-driven coding solutions. Requires 3+ years of software engineering experience and expertise in Python, JavaScript, C/C++, Java, Rust, and Go.

Data Analyst will analyze historical data to identify trends and performance drivers, translating insights into actionable recommendations. Responsibilities include designing algorithms, analyzing customer ticket data, and collaborating with engineers and product managers to embed data insights into the development lifecycle. Requires proficiency in Python, data analysis libraries, and version control.

Senior Frontend Developer to design, develop, and maintain web applications using ReactJS, NextJS, HTML, CSS, TypeScript, and JavaScript. Requires 5+ years of experience in modern frontend technologies and strong problem-solving and communication skills.

The Manager, Centre of Insight and Analytics will lead BI project activities, defining, scoping, and delivering epics and user stories. Responsibilities include managing project timelines, risks, and communication, ensuring high-quality deliverables, and collaborating with stakeholders. Requires a Bachelor's degree, 5+ years of BI project management experience, and proficiency in Agile methodologies, SQL, and data visualization tools.

Senior Product Manager to own category performance end-to-end, driving commercial growth, portfolio strategy, and cross-functional execution.

Drive revenue and ancillary growth for a tiered partner portfolio. Develop and implement engagement strategies to optimize performance and manage commercial agreements.

This global industrial gases company seeks French speakers for various roles including customer service, finance, and team leadership. Fluency in French and English is required, along with relevant experience and strong communication skills.

Senior Compensation Analyst needed to implement, manage, and improve global compensation and benefits programs. Responsibilities include defining competitive compensation packages, analyzing compensation data, and ensuring compliance with laws and regulations. Requires experience with Workday, Excel, compensation surveys, and job benchmarking.