freelance English-speaking jobs in Valongo

Develop, implement, and optimize machine learning algorithms and models. Collaborate with data scientists and software engineers to build solutions.

AWS Solution Architect & Tech Lead will define end-to-end software and cloud infrastructure architecture on AWS, design distributed systems, and lead the engineering team. Requires 10+ years of distributed systems architecture experience, 5+ years in AWS solution design, and AWS certifications.

Polish-speaking Customer Service Representative needed for online video sharing and social media platforms. Resolves escalated user inquiries, translates technical issues, and provides support via email, chat, and platforms. Requires 1-2 years of experience in a similar role, fluency in Polish and English, and a Bachelor's degree or equivalent.

Front-End Web Developer to build user-facing features, optimize websites, and collaborate with design and back-end teams. Requires experience with HTML5, CSS3, JavaScript frameworks (jQuery, AngularJS, or ReactJS), and SEO principles.

Experienced Team Lead will manage and supervise a team, develop strategies to improve efficiency, and ensure excellent customer service.

Senior AI Engineer will design, build, and maintain scalable microservices using Java and Spring Boot. Responsibilities include architecting autonomous AI agents, integrating LLMs, and ensuring system reliability. Requires a Bachelor's degree, 8+ years of experience, and Java development expertise.

Define the long-term vision for Cleo's AI-driven financial platform. Architect multi-year product frameworks that unify credit, subscriptions, and savings with an AI layer. Shape how AI works across the product in clear, responsible, and empowering ways.

Supports and reviews AI/GenAI use cases from design to production. Defines security requirements for AI platforms, APIs, agents, and integrations. Performs security reviews of AI solutions and identifies/mitigates risks.

Global Financial Controller leads FP&A, management reporting, and controlling for the Certification business. Manages a team and provides financial analysis to support corporate strategies. Requires 15+ years of experience in financial controlling, FP&A, and M&A, with a strong understanding of IFRS and global compliance frameworks.

Provide customer support via phone, email, and live chat in Hungarian and English. Resolve customer inquiries, account requests, and basic troubleshooting tasks. Document interactions and escalate complex issues.

Provides application support, resolving incidents, and ensuring smooth operation of critical business applications. Troubleshoots issues, documents recurring problems, and assists with implementation changes. Collaborates with developers and IT teams to resolve complex issues and participate in on-call rotations.

Application Support Analyst (L2) needed to investigate and troubleshoot issues with OutSystems and React applications. Requires SQL experience, basic programming logic, and fluency in English.

Senior Back-End Developer will build and maintain core back-end systems for the team.blue Hub, including notification engines, identification layers, data pipelines, and AWS infrastructure.

Italian-speaking Content Reviewer needed to review and handle legal and compliance-related content across social media platforms. Responsibilities include processing legal content requests, monitoring digital activity for compliance, and assessing potential legal risks. Must have Italian C2 and English B2+ proficiency.

Contract Nurse in Funchal providing compassionate healthcare services. Responsibilities include assessing patient needs, creating care plans, administering medications, and providing support. Requires a nursing degree, experience, excellent communication, and teamwork skills.

Financial Controlling Expert needed for hybrid role in Lisbon, Portugal. Requires 3+ years of experience in finance, controlling, or related fields. Must have advanced Excel skills, strong financial judgment, and expertise in accounting and controlling.

Frontend Developer needed to design, build, and maintain user interfaces for web applications using TypeScript and React.js. Must have 4-10 years of experience as a Software Engineer and strong proficiency in HTML5, CSS3, and RESTful APIs.

Treasury Payments Trainee will process payments, ensure compliance with policies and legal requirements, and support audits. The ideal candidate has an educational background in Accounting, Finance, or a related field, strong communication and organizational skills, and familiarity with ERP systems.

Frontend Developer (Angular + .NET) needed for a national project. Responsibilities include leading frontend software analysis and UI/UX implementation, applying modern web development best practices, and collaborating with backend engineers. Requires 4+ years of experience in frontend development, expertise in Angular, TypeScript, HTML5, and modern CSS/SASS, and a strong understanding of reactive programming and state management patterns.

Senior .NET Developer to design, develop, and maintain enterprise applications using C#/.NET Core. Experience with REST APIs, microservices architecture, and Azure DevOps is required. Fluent English mandatory.