freelance English-speaking jobs in Maia

Leads the planning, execution, and optimization of digital marketing initiatives across multiple brands and platforms. Develops and implements digital marketing strategies, manages budgets, and oversees agency partners. Requires 5+ years of experience in digital marketing, including multi-channel campaign management and a deep understanding of digital analytics and performance optimization.

The Office Assistant provides multi-function support to Iberia employees, managing contracts, mail, shipments, and travel arrangements. Supports the General Manager, marketing activities, and ensures compliance with data protection and HACCP standards.

Java Developer will design and develop low-latency pricing engines for Spot and Forward FX trading. Collaborate with traders and teams to enhance and modernize existing systems. Must have Java development experience in multithreaded systems and a background in FX/FWD trading systems or high-performance, low-latency environments.

As a Localization QA Game Tester, you will collaborate with a global team to ensure the accuracy and quality of localized games. Responsibilities include identifying and correcting language errors, ensuring adherence to console guidelines, and reporting on found issues. Fluency in Latin American Spanish and conversational English are required.

MoOngy seeks a Fullstack Java Developer with 2-5 years of experience. Responsibilities include designing, developing, and maintaining scalable Java applications, implementing RESTful APIs, and developing responsive user interfaces. Must have strong Java 17+ skills, Spring Framework and Spring Boot experience, proficiency in Angular and/or React, and fluency in French and English.

Provide German and English customer service via chat, email, and phone. Troubleshoot user issues, educate users on platform features, and relay user feedback.

Revolut seeks an External Enquiry Analyst to detect and investigate financial crime risks. Responsibilities include responding to court orders, liaising with law enforcement, and conducting fraud investigations. Requires a bachelor's degree, fluency in English and Italian, 2+ years of FinCrime experience, and strong analytical and communication skills.

Volga Partners seeks a Language Data and Quality Reviewer fluent in European Portuguese and English for a freelance, task-based project. The role involves analyzing datasets, identifying data quality issues, and providing recommendations for improvement.

Senior General Ledger professional required for a medical technology company. Responsibilities include journal entry processing, account reconciliation, month-end and year-end closing, financial reporting, and team collaboration. Requires a Bachelor's degree in Finance, Accounting, or related field and 4+ years of experience in general ledger accounting. Proficiency in English and Microsoft Excel is essential.

Growth Associate will execute multi-channel acquisition strategies, write campaigns, nurture pipeline, and analyze performance. This role involves creating proposals, content, and outreach materials for enterprise clients.

Data Analyst to build dashboards, identify trends, and support leadership with insights. Requires 3+ years experience, strong SQL and Excel skills, and experience with AI automations. Ecommerce experience preferred.

Senior UX/UI Designer will own the end-to-end experience for an AI-powered healthcare platform. Responsibilities include driving product discovery, shipping high-quality UX/UI, designing for healthcare realities, and building and evolving the design system. Experience with Figma, prototyping tools, and user research methods is required.

Keyrock seeks a Product Marketer (DeFi) to lead on-chain marketing efforts for DeFi products. Responsibilities include product positioning, messaging, and narrative development, translating complex mechanics into user-facing value propositions, and driving ecosystem awareness and adoption. The role requires 6+ years of marketing experience, with at least 3+ years in DeFi, a proven track record of product launches, and experience with B2C growth and B2B partnerships.

Guest Experience Manager to build guest relationships, enhance experiences, and manage the Guest Experience department. Requires 2+ years experience, strong communication skills, and fluency in Portuguese & English.

Business Analyst needed for OutSystems web application projects. Experience in functional analysis, requirements definition, and user story creation required. Knowledge of banking processes and/or consumer credit solutions is beneficial.

Test Engineer needed with 2-3 years of manual testing experience, Linux/Unix familiarity, and API testing skills (Postman/ReadyAPI). Experience creating test cases, reporting defects, and documenting results is required. Fluent Portuguese is essential.

Legal & Compliance Coordinator to support legal responsibilities, represent companies in legal proceedings, and manage external legal service providers.

Senior Pharmaceutical Project Manager will own and drive product projects from development through launch. Coordinate cross-functional teams and global partners to ensure on-time, on-budget product delivery. Manage budgets, forecasts, and regulatory submissions.

Senior Backend Engineer to lead development efforts focused on NetSuite ERP integration. Design, develop, and maintain scalable backend services using Node.js and TypeScript. Collaborate with teams to translate business needs into technical solutions.

Analyst supporting Customer Support in resolving customer queries, handling escalations, and closing faults and complaints within SLAs.