freelance English-speaking jobs in Valongo

Nuclei seeks a Partnerships Manager to build gift card supply across Europe. This role involves identifying and signing supply partners, structuring deals, and ensuring a diverse catalogue of gift card brands.

Develop and maintain Python-based AI systems, including Retrieval-Augmented Generation, Machine Learning, and Optimization. Build scalable Python services, APIs, and data processing components. Integrate with LLMs, RAG systems, ML models, and enterprise data sources. Contribute to AI agents, enterprise copilots, and vertical AI solutions.

Principal Corporate Counsel to provide regulatory guidance on EMEA environmental, supply chain, and product regulations. Will monitor regulations, develop compliance strategies, and collaborate with cross-functional teams. Requires 7+ years' experience in sustainability or related regulatory compliance fields and a qualified lawyer (LLB, JD, or equivalent) in an EU jurisdiction or the UK.

Embedded C++ developer for eBike components. Design, integrate, and debug software for a range of eBike modules. Collaborate with hardware engineers, design teams, and product managers.

Senior Software Engineer to build and evolve systems that provision, update, secure, and observe Motion's agent environments. Focus on infrastructure-as-code, containerization, and designing reliable systems for background jobs, queues, and service bus mechanics.

Lead solution design and architectural decisions for a pan-European post-trade platform. Build and evolve scalable platform components and define best practices for APIs, messaging, and event-driven systems.

Java Developer (fullstack) needed. Requires Bachelor's degree in Computer Science, Information Technology, Software Engineering, or related field. Strong proficiency in Java, Spring, Spring Boot, Hibernate, React, Angular, HTML5, CSS3, JavaScript, TypeScript, and SQL. Experience with NoSQL databases, API design, version control, build tools, CI/CD pipelines, and cloud platforms is also required. Fluent in English.

Fund Accountant to oversee accounting for large-scale investment funds across multiple asset classes. Responsibilities include transaction booking, NAV calculations, performance analysis, and working with internal and external stakeholders. Requires a Bachelor's degree in a related field, previous fund accounting experience, fluency in English, and strong analytical skills.

IT Infrastructure & Network Engineer to manage and optimize Microsoft 365, implement security policies, design and manage network infrastructures, administer Windows Server environments, and oversee AWS infrastructure. Requires 3-5 years of experience in Microsoft 365 administration, strong network design and management background, and hands-on experience with AWS.

As a Junior Data Specialist, you will collect, process, and enter macroeconomic data into the Macrobond database. You will use economic knowledge to identify trends and ensure data quality, communicate with sources, and find opportunities to improve work processes.

Senior Data Analyst with Power BI expertise to develop and maintain analytical dashboards. Collaborate with business teams to gather requirements and design data models. Experience with SQL, data integration, and DAX is required.

The Operations Manager will design, build, and own parts of the operational flow, optimize warehouse operations, and support retailers with operational requests.

Accenture seeks an Italian-speaking Content Reviewer Analyst to moderate user-generated content, investigate flagged issues, and ensure platform safety. Must have C1+ Italian and B2+ English proficiency, strong emotional resilience, and attention to detail. Prior experience in content moderation, customer service, or BPO is a plus.

Sales Manager to drive global wholesale growth and B2C presence for a premium eyewear brand. Manage full sales cycle, from client acquisition to after-sales service. Develop sales plans, identify new retailers, and oversee regional sales agents.

Senior MFT Engineer to support and evolve a critical Managed File Transfer (MFT) ecosystem. Responsibilities include platform administration, optimization, architecture improvements, security, and compliance. Requires 5+ years of MFT experience, strong Axway product knowledge, and expertise in MFT protocols and secure communications.

Digital Designer & Developer needed for a growing startup. Design and develop websites and web applications using React, WordPress, Framer, and Shopify. Collaborate with teams to deliver user-focused experiences. 3-5 years of relevant experience required.

Provide customer support for meal card products via phone, email, and chat. Resolve customer inquiries, manage complaints, and ensure customer satisfaction. Fluent French (C2 level) required.

Data Scientist to design, develop, and deploy machine learning models, perform data analysis, and build data pipelines. Requires 5+ years of experience in machine learning, predictive modeling, and data analysis in a fast-paced environment. Experience with computer vision, data engineering, and Python/SQL is essential.

Flight Mechanics and Simulation Engineer will review and improve existing flight mechanics models, expand analysis code, and maintain the in-house flight simulator. Requires an MSc/MEng or PhD in Aerospace Engineering with 3+ years experience and proficiency in MATLAB and Simulink.

The Senior Talent Partner will own end-to-end recruitment for global roles across multiple functions and regions. This role combines hands-on recruitment delivery with strategic advisory, process ownership, and market insight. The Senior Talent Partner will partner with hiring managers to scope role requirements, define interview processes, and align on hiring timelines.