freelance English-speaking jobs in Valongo

Support Associates on client projects in M&A, due diligence, capital raising, private placements, and corporate strategy. Prepare client-facing materials, conduct data analysis, and manage client communication.

Lead .NET Fullstack Developer needed for a new international Tech Hub in Lisbon. Requires 5+ years experience as a C# .NET Developer (.NET Framework / .NET Core), technical leadership, and proficiency in Optimizely CMS, SQL/NoSQL databases, REST APIs, and modern UI frameworks.

Marketing & Community Manager to develop and execute social media strategies for a premium brand. Responsibilities include content creation, influencer marketing, community engagement, and campaign execution. Must have 3+ years of experience in social media marketing and community management. Fluency in Portuguese and English is required.

Observability and Automation Engineer will evolve end-to-end monitoring across hybrid environments, define reliability indicators, and reduce manual tasks through automation using Ansible and Terraform.

Construction Manager needed for mechanical projects in the pharmaceutical or oil and gas industries. Requires 10+ years experience, understanding of piping drawings, and strong organizational and problem-solving skills.

Provides administrative support for training and learning programs, ensuring client satisfaction and reporting on KPIs. Collaborates with stakeholders to deliver successful learning programs and maintains accurate training records. Requires a Bachelor's degree, fluency in French, and strong organizational and communication skills.

Analyst will define and implement quality control techniques to verify the quality of raw materials, intermediates, and end products. Responsibilities include managing quality control activities, performing sample analysis, ensuring adherence to GMP and HSE regulations, and collaborating with internal departments.

Marketing Automation Specialist will manage and enhance digital marketing tools, including websites, email platforms, and analytics dashboards. Responsibilities include designing and deploying email campaigns, analyzing campaign performance, and identifying opportunities for platform enhancements.

Experienced SAP Architect needed to lead S/4HANA transformation programs. Define architecture, guide teams, and ensure scalable, secure solutions across cloud, on-premise, and hybrid environments.

Manages and verifies retailer chargebacks, ensuring accuracy and accounting alignment. Serves as the main point of contact for retail clients regarding charge-related inquiries. Collaborates with internal teams to monitor process status and resolve operational incidents. Analyzes documentation to validate or challenge chargebacks. Provides guidance to retailers on charge and process-related topics.

Crypto Customer Support / KYC Analyst will conduct KYC/AML due diligence reviews, verify identity documents, and handle customer inquiries. Responsibilities include performing EDD for high-risk clients, screening against sanctions lists, and identifying suspicious activity. Requires 1-3 years of experience in KYC/AML compliance or crypto customer support, strong communication skills, and familiarity with crypto products and compliance tools.

Automation Engineer will design, develop, and maintain automated test frameworks for web, mobile, and API applications. Responsibilities include integrating automated tests into CI/CD pipelines, performing root cause analysis, and collaborating with development teams. Requires a Bachelor's degree in computer science, Engineering, or related field and experience with TestCafe, JavaScript, API testing tools, and CI/CD pipelines.

Digital Marketing / SEO / e-Commerce Specialist to accelerate online growth. Manage SEO initiatives, oversee e-Commerce platform performance globally, and collaborate cross-functionally to drive measurable results.

German-speaking Content Analyst needed for a legal operations project. Review and process text-based legal requests, ensuring decisions align with client policies and quality standards. Must have C1/B2 German and English proficiency, strong analytical skills, and a valid EU passport or Portuguese work permit.

Performance Marketing Specialist to drive paid acquisition channel execution and optimization. Manage ad infrastructure, execute creative testing, and optimize for Contribution Margin and CAC.

Develop Java software solutions, design RESTful APIs, and collaborate in agile teams. Requires 3+ years of Java development experience, microservices architecture knowledge, and containerization skills (Docker, Kubernetes). Fluency in Portuguese and CPLP nationality or EU work permit required.

Senior Quality Assurance Engineer to ensure mobile application quality across platforms. Responsibilities include developing and executing test strategies, both manual and automated, using Appium, Android Studio, and Xcode.

Support innovative scalable sales programs across diverse customers, focusing on driving revenue and product adoption. Provide consultative support on agencies and advertisers accounts, drive advertiser communications and technical issue resolution.

Develops and prepares technical production drawings, 3D models, and shop drawings for piping systems and structural components. Analyzes and validates structural and piping elements for constructability. Interprets drawings and construction details. Minimum 5+ years of experience in 3D modeling, structural steel detailing, and fabrication drawings. Proficiency in AutoCAD required.

Senior Fullstack Engineer to design and deliver scalable enterprise solutions using .NET, React, and SQL Server. Contribute to architectural decisions, promote best practices, and mentor team members.