freelance English-speaking jobs in Maia

Experienced Senior Account Manager needed for iGaming B2B. Drive revenue, manage key customer relationships, and expand business. Requires 3+ years in iGaming with B2B Account Management experience. Fluent English is required.

Junior Bus Network Planner to develop and optimize FlixBus lines. Responsibilities include analyzing network performance, coordinating cross-functional activities, and presenting data-driven recommendations. Requires a relevant degree and strong analytical skills.

Senior Product Owner for Integration and Platform in the regulatory intelligence sector. Strategically manage AI platform capabilities, integrations, and data services, translating objectives into roadmaps while ensuring alignment across technical and business teams.

Hands-on Talent Acquisition & HR Operations Specialist needed for a B2B SaaS company. This varied role combines full-cycle recruitment with core HR operations, managing hiring, contracts, onboarding, and HR data accuracy.

Senior Revenue Manager needed to analyze sales, develop revenue strategies, and supervise the Revenue team for hospitality assets. Requires 5+ years in Revenue Management and strong analytical skills.

Experienced Mechanical Package Manager needed for a large-scale data centre project. Manage full mechanical package, including design, procurement, installation, testing, and commissioning. Requires mechanical engineering degree and project management experience.

Design and optimize new and existing packaging solutions. Manage packaging projects end-to-end, drive standardization, and support quality and environmental initiatives. Requires a technical degree and 3+ years in manufacturing.

Experienced AI Safety Red Teamers are needed to identify vulnerabilities in frontier AI systems through adversarial testing. Responsibilities include designing prompts, uncovering model weaknesses, and evaluating behavior across high-risk topics. Requires 5+ years in AI Safety or related fields.

Mid-level Angular Front-End Developer needed for web application development. Requires 4+ years of Angular experience, proficiency in TypeScript, HTML, and CSS. Fluent Portuguese and C1 English are mandatory.

Senior Data Engineer / Solutions Architect to scale data infrastructure for European foodservice. Design scalable pipelines, build POS integrations, and transform high-volume transaction data using Python, SQL, and GCP.

Copywriter - Brand Team to own the brand narrative and social-first storytelling for a leading European auto parts e-commerce platform. Develop insight-driven copy for social media, video, and CRM, establishing tone of voice and content guidelines.

Lead IT Cloud Engineer to establish the enterprise Cloud capability. Focus on defining technical foundation, governance, and standards, primarily with Microsoft Azure, while shaping multi-cloud strategy. Hands-on design and implementation of secure, scalable cloud platforms.

Full Stack Team Leader required to architect and develop scalable web applications using Java (Spring Boot) and Angular. This role involves technical leadership, mentoring, and stakeholder management, requiring fluent French and strong technical skills.

Senior Quality Assurance Automation Engineer designs and maintains automation frameworks. Responsibilities include developing UI, API, and mobile test scripts, integrating suites into CI/CD pipelines, and debugging Java code. Requires 4+ years of experience with tools like Selenium, Cucumber, and Appium.

Accounts Payable Team Leader needed for a new Regional Shared Service Centre. Lead AP team, overseeing end-to-end activities, process optimization, and reporting. Requires 5+ years in AP/Finance, team leadership, and fluency in English and Dutch.

Develop, validate, and optimize automated test solutions for mixed-signal devices on Teradyne and/or Advantest platforms. This role supports ATE programs, production test strategies, and NPI activities for ultra-low-power ICs.

Senior MES Engineer leads the technical rollout and stabilization of GE Proficy MES solutions across multiple plants. Responsibilities include configuring, deploying, and validating integrations between MES, SAP, PLC, and SCADA systems. Requires 10+ years in MES with GE Proficy expertise.

Senior Data Engineer to design, build, and maintain streaming pipelines. Responsibilities include developing ingestion from APIs and migrating SaaS tools to custom infrastructure, utilizing AWS and Terraform. Requires 5+ years of Python experience.

Drive credit risk governance and analytics for Siemens Energy. Perform customer credit assessments, rating assessments, and deliver portfolio insights. Requires 5+ years in corporate credit risk or financial analysis.

This role owns the CMS application, managing access control, running updates, and analyzing technical feasibility for new requirements. Requires 2-5 years of experience and technical knowledge of the tool.