freelance English-speaking jobs in Sintra

Operations Manager to set and monitor department goals, manage client relationships, and develop teams. Requires a degree and 4+ years of leadership experience in outsourcing or contact center.

Part-Time Data Analyst needed to collect, analyze, and interpret complex datasets to identify trends. Requires 2+ years of experience, proficiency in Excel or R, and familiarity with SQL.

Junior Web Developer to create and maintain high-quality websites and web applications. Responsibilities include coding with HTML, CSS, and JavaScript, and troubleshooting. A degree in Computer Science or related field is preferred.

Skilled Dismantler needed to disassemble mechanical and electrical equipment like cars and machinery. Requires excellent manual dexterity, strong mechanical skills, and experience with tools. Attention to detail is crucial for removing delicate parts without damage.

AI Transformation Consultant to drive digital change. Identify AI opportunities, lead GenAI/Agentic AI workshops, and consult on AI-driven optimization. Requires 3+ years in digital/AI transformation.

Database Administrator Contractor role requiring 3+ years of experience. Responsibilities include monitoring performance, backups, optimization, and implementing security. Proficiency in SQL and systems like MySQL or Oracle is required.

Senior Regulatory Operations Specialist supports innovative medical devices through complex regulatory and licensing processes. Responsibilities include GTS license activities and managing regulatory systems. A Bachelor's degree and 2+ years of relevant experience are required.

Internal Audit Business Partner provides independent assurance on control and governance processes for senior stakeholders. Manages and delivers audits across core financial and operational processes. Requires relevant professional qualification and audit techniques.

Cash Collection Analyst role focused on efficient receivables management, ensuring timely payments and reducing credit risk. Responsibilities include collecting receivables, resolving account issues, and preparing activity reports. Requires a technical degree in Accounting/Finance and 4-6 years of experience.

Freelance Online Data Analyst role focused on enhancing digital map content quality. Requires full proficiency in English and Portuguese, and familiarity with Portuguese affairs. Tasks involve web-based research and data verification.

Join our team as a Junior Computer Research Scientist to work on cutting-edge projects in computer science. Responsibilities include conducting experiments, analyzing data, and developing new algorithms and techniques. No prior experience is required.

Security Engineer (Fractional) to elevate an organization's security posture. Responsibilities include shaping strategy, establishing controls, mentoring teams on DevSecOps, and ensuring compliance across global operations.

Senior Power BI Consultant to design and implement end-to-end Power BI solutions. This role requires expertise in data modeling, DAX, and translating complex business requirements into impactful analytics for decision-making.

Skilled Solar Installer needed in Braga for a part-time role. Responsibilities include installing solar panels and equipment on residential and commercial buildings. Requires solar industry experience, proficiency with tools, problem-solving skills, and ability to work at heights.

Experienced HR Solutions Partner to provide expert guidance and coaching to managers. This role supports the employee lifecycle, drives workforce initiatives, and leverages data and digital solutions to improve HR processes.

Part-Time Moderator to monitor and manage online forums. Duties include reviewing content, enforcing guidelines, and responding to user inquiries. Requires strong communication and attention to detail.

AI Deep Learning Research Assistant to develop and implement cutting-edge deep learning algorithms. Requires a strong background in computer science, machine learning, and statistics, with experience in Python and frameworks like TensorFlow or PyTorch.

Sales and Partner Enablement Manager to design and deliver live training, webinars, and roadshows. This role translates technical positioning into sales plays, partnering with Sales and Channel leadership. Requires strong public speaking and B2B SaaS experience.

Build and improve automation for SecureChain, a product focused on open-source supply chain security. Responsibilities include operating automated pipelines, owning the Go ecosystem, and running AI agents. Requires Go expertise, build/release experience, and Linux proficiency.

Driver/Data Collector to capture high-quality visuals of streets and points of interest using equipped vehicles. Requires a valid EU driver's license, 5+ years of driving experience, and proficiency in English and the local language.