freelance English-speaking jobs in Valongo

IT professional with a degree in Computer Engineering or related field and experience in IT environments. Must have knowledge of technological tools and fluency in English and French (minimum B2).

Test Automation Engineer / QA Lead to design, implement, and maintain automated tests for a Passenger Information System. Requires proficiency in Python, Playwright, API testing, CI/CD, and strong communication skills in Portuguese and English.

Develop embedded software for automotive microelectronics solutions. Requires a degree in Electrical/Electronics and Computer Engineering and knowledge of C programming, embedded systems, and sensor technologies. Familiarity with Python, scripting languages, and hardware is also beneficial.

As a Payroll Compliance Expert, you will own payroll compliance for the UK&I region, applying local legislation to audits, product design, and scalable processes. You will translate complex rules into systems and documentation, ensuring Remote meets regulatory standards.

Side is seeking a Full-Time German Player Support Advocate to provide top-tier support to gamers. Responsibilities include resolving customer queries, troubleshooting technical issues, and ensuring a positive customer experience. Fluency in German and conversational English are required.

Selena Group seeks an experienced In-House Lawyer to provide comprehensive legal support to its Iberian operations. The role involves corporate governance, M&A transactions, regulatory compliance, and contract drafting. Requires a minimum of 5 years of experience, including Board of Directors support, and expertise in corporate law and M&A. Fluency in English is required, with Spanish a plus.

Provide Dutch and English customer support via email and chat for mobile app users in the French market.

Tech Transfer Technician to support scale-up and transfer of pharmaceutical products from laboratory to industrial production. Responsibilities include executing technology transfer activities, supporting process validation, and preparing technical documentation. Requires a degree in a related field and 2-5 years of experience in a pharmaceutical or GMP-regulated environment.

Quantitative Trading Analyst will architect and upgrade the risk management engine for a decentralized trading protocol. Responsibilities include designing risk models, optimizing trading mechanisms, and stress testing protocol solvency. Requires advanced quantitative skills, expertise in both traditional and decentralized finance, and experience with risk systems.

Experienced Architect or Interior Designer needed for high-value projects. Design across all stages, collaborate with internal and external teams, and manage client relationships. Must have REVIT proficiency and 3-5 years of experience. Fluency in Portuguese and English required.

Software Technical Lead with 5+ years experience in full-stack development, including 3+ years of leadership. Strong Java backend skills (Spring Boot, Spring Batch, Spring Integration, Spring Boot Starter) and front-end experience (React or Angular). Expertise in DevOps tools (Kubernetes, Jenkins, Docker, OpenShift, Git) and testing frameworks (Selenium, Cucumber, Mockito, JUnit). Fluency in English and Portuguese required.

Develop and maintain front-end applications using React.js for a leading financial group. Collaborate with designers, backend developers, and product owners to deliver digital banking solutions.

Provide customer support via phone, email, or chat for a leading e-commerce platform. Assist customers with product, order, and service inquiries. Deliver excellent service while maintaining professionalism and empathy.

Teleperformance Portugal is hiring Russian or Ukrainian speakers for remote and on-site customer service and interpretation roles.

Business Unit Director to manage client relationships, team of 20, and budget. Requires 5+ years experience in a similar role, project management expertise, and proficiency in Excel, PowerPoint, Portuguese, and English.

Product Design Engineer will support the global engineering strategy for the company's products, collaborating with diverse teams to develop tailored design solutions.

Technical Art Generalist to bridge art and technology for a stylized modern warfare RTS. Responsibilities include asset design, Unreal Engine 5 mastery (materials, lighting, VFX), 3D asset production, and pipeline optimization. Requires shipped production experience, strong UE5 knowledge, and proficiency in PBR workflows, Substance Painter, and Blender.

Office Administrator needed for a part-time role (20 hours/week) in Porto. Responsibilities include managing office operations, supporting HR, coordinating logistics, and assisting with administrative tasks. Must be proficient in Microsoft Office, possess strong organizational skills, and be fluent in Portuguese and English.

Wolver Launcher seeks CTO, CEO, or CFO co-founders for a 10-week program to launch startups in high-growth sectors. Responsibilities include defining a value proposition, developing an MVP, and executing a GTM strategy. Candidates must have 8+ years of experience in relevant fields and a commitment to launching a B2B startup.

Product Designer will lead customer-centric initiatives for a SaaS offering, collaborating with product managers, analysts, engineers, and QA experts. Responsibilities include user research, prototyping, UI/visual design, and crafting scalable customer experience solutions. Requires 5+ years UX/UI design experience, a design-related degree, and proficiency in Figma, Adobe Creative Suite, and Atomic design principles.