freelance English-speaking jobs in Maia

Decskill is seeking a Quality Assurance Specialist to join its team. The ideal candidate will have experience with ALM, Jira, Xray, Soap UI, Postman, and Jmeter.

Manage and optimize TikTok campaigns across multiple European markets. Develop and execute creative strategies, analyze performance data, and drive revenue growth. Proven experience scaling TikTok ad budgets and a deep understanding of creative-led performance are required.

Waiter supporting breakfast, lunch, and dinner service, ensuring guest satisfaction. Assists with setup, service, and maintaining high standards. Collaborates with kitchen and bar staff.

Financial Research Analyst for AI Quality Assurance will validate, challenge, and improve AI-generated financial research outputs. Responsibilities include performing comprehensive reviews of LLM-generated research, defining and executing quality evaluation criteria, and collaborating with product, QA, and engineering teams. Requires 5+ years of experience in financial or investment research and strong communication skills.

Provide German and English support to customers via phone, email, and chat. Troubleshoot technical and account issues, guide users, and ensure a positive customer experience.

Provide customer support via email, chat, phone, and social media in Spanish and English. Troubleshoot technical issues and address account, billing, and identity verification questions.

SAP SD Consultant with 9+ years of experience required. Expertise in S/4HANA Workflow configuration, Solman, and Jira. Strong knowledge of material substitution returns, repairable flows, and Sales Order, Outbound Delivery, and Billing processes.

Software Engineer (Developer) will design, develop, and maintain Java-based microservices for e-commerce and omni-channel retail platforms. Responsibilities include developing integrations with order management systems, troubleshooting software defects, and collaborating with cross-functional teams. Requires 5+ years of experience as a Java Software Engineer with expertise in Spring ecosystem, microservices, and RESTful APIs.

Experienced Release Manager/DevOps Engineer to orchestrate software releases, manage CI/CD pipelines, and improve deployment processes. Requires expertise in Azure DevOps, Kubernetes, Docker, and Agile methodologies.

Cybersecurity Consultant with 4+ years of experience in risk assessment, security controls, and architecture review. Expertise in ISO 27005/EBIOS RM, Blueteam, and vulnerability management. Strong technical skills in cloud, network, and application security.

Full Stack Engineer will design and develop the management layer for a PaaS platform, bridging backend logic (FastAPI) with frontend interactivity (React). Responsibilities include architecting for quality, leveraging AI coding tools, and collaborating with cross-functional teams. Requires 3+ years of professional Full Stack experience, expertise in Python (FastAPI) and TypeScript (React), and fluency in English.

Watermelon Productions seeks a multidisciplinary artist to create AI-generated concept art, characters, environments, and motion studies. The role involves using AI tools alongside Photoshop, After Effects, and Blender to produce polished visuals for animation and multimedia projects.

Provide operational support for Sales and Trading desks, ensuring accurate trade booking and process integrity. Validate and allocate trades, manage trade matching, and perform reconciliations. Support client lifecycle management and collateral workflows.

Develop and deliver a comprehensive information security and privacy program covering systems, platforms, applications, processes, and data. Ensure effective Business Continuity and Crisis Management by maintaining, testing, and updating plans. Responsible for physical security across the organization.

Business Management Officer to support leadership, contribute to transversal initiatives, and analyze data to inform business decisions. Requires advanced data analysis skills, proficiency in Excel and data modeling tools, and fluency in English.

DevSecOps Engineer to create security workflows, automate security services, and evaluate application risk. Experience with CI/CD tools, cloud technologies, and scripting (Python) required.

Senior Fullstack Software Engineer to design, build, and scale core applications. Experience with JavaScript frameworks, backend development (JavaScript and/or .NET), AWS/Azure, and API integrations required.

Mid-level iOS Native Developer to build and maintain mobile applications using Swift. Focus on developing native iOS solutions and improving existing products within the mobility sector.

Ensures customer accounts are up to date with payment terms. Manages customer conditions, DSO, and credit control procedures. Issues invoices, statements, and dunning notices. Supports balance sheet reconciliation and cash pooling. Requires a bachelor's degree in finance, accounting, or related field and 3+ years of credit control/AR experience.

Experienced Frontend Developer with strong Vue.js 3 expertise sought to build and enhance web applications for a growing fintech team in Lisbon.