freelance English-speaking jobs in Maia

Senior Mobile Developer will build and maintain mobile applications using .NET, iOS, and UIKit. Responsibilities include working on the POS system, KDS system, and Joe app. Requires 5+ years of software development experience and proficiency in C#, .NET, and mobile development frameworks.

Quality Specialist will review translated content for accuracy, grammar, and cultural appropriateness. Responsibilities include identifying quality issues, providing feedback, and monitoring quality trends. Must be fluent in German (C1 level or higher) and have at least 12 months of experience in a quality-related role.

Freelance International Market Development Coordinator needed to manage and scale Superprof's presence in Portuguese and French-speaking markets. Responsibilities include managing SEO and acquisition strategies, analyzing performance data, coordinating product localization, and ensuring a high-quality user experience.

The digital content editor/QA will edit and ensure quality of educational learning experiences for Portuguese students in grades 1-9 in math, science, and Portuguese language. Work involves reviewing AI-generated content on the Open edX platform, checking for grammar, style, functionality, and accessibility.

Develop software components for acceleration and inertial sensors used in airbag control units. Work across the V-model, from requirements engineering to component release. Collaborate in an international agile team.

Experienced IAM / Identity & Access Management Specialist needed to manage, maintain, and improve identity and access solutions. Responsibilities include administering O365, Active Directory, and Azure Entra ID, working with RSA and HID platforms, and ensuring compliance with security standards. Fluent English required.

Global Product Specialist to manage the transformers product portfolio, conduct market analysis, and support product development. Requires a degree in a related field and 5+ years of experience in product management, market analysis, or a similar role within the transformers or energy industry. Strong technical understanding of energy solutions, transformers, and industry technologies is essential.

Senior Business Development Manager will identify, pursue, and build long-term partnerships with pharma sponsors running clinical trials. This revenue-generating role focuses on signing new contracts and managing a BD pipeline.

Senior Accountant will lead ERP system implementation and optimization in a manufacturing context. Responsibilities include designing accounting processes, managing cost centers, overseeing cost accounting functions, and leading month-end and year-end closing processes. Requires a Certified Public Accountant with 7+ years of experience, including 5+ years in cost accounting within manufacturing.

As a Pricing Analyst, you will lead pricing strategy execution, analysis, and experimentation to drive global revenue growth. You will analyze price elasticity trends, identify underperforming markets, and ensure price accuracy across all products and currencies.

Global Strategic Purchaser will support the Commodity Team and oversee supplier management tasks. Responsibilities include supplier account management, negotiation of agreements, and collaboration on cross-functional initiatives.

Field Support Specialist needed to diagnose and resolve hardware, software, and network issues for on-site teams. Responsibilities include setting up equipment, educating staff, and interacting with clients.

Gallery Partnership & Sales Associate will expand MutualArt's partnership program by reaching international galleries, managing outreach campaigns, and refining the membership system.

As a Business Analyst in Springer Nature Technology, you will connect IT and business functions to deliver value across the organization. You will analyze data to inform changes and improve IT products, services, and processes. You will collaborate with stakeholders to explore problems, contribute to solution designs, and prepare investment cases. You will also support the Mergers & Acquisitions (M&A) team with technical due diligence and integration planning.

Solution Architect to define and design end-to-end technology architectures. Translate business requirements into technical designs and collaborate with stakeholders. Experience with microservices, APIs, and cloud solutions is required.

Finance Business Partner will serve as a strategic advisor to the business unit's leadership and operational teams, driving financial performance and shaping key decisions. This role combines strategic planning, financial analysis, and business partnering to drive financial success.

Senior Platform Engineer will design, build, and evolve reliable, scalable platforms for clients. This client-facing role requires extensive experience with AWS and/or Azure, including networking, security, and cost optimization. Proven track record of delivering production-grade systems and supporting mission-critical infrastructure is essential.

Experienced Architect with 5-10 years of Portuguese architectural project experience and proficiency in Revit is sought for an international team designing cities, experiences, and legacies. Fluency in Portuguese and English is required.

CJR Renewables seeks a PV Designer to analyze technical documentation, prepare engineering proposals, and support the Project & Development team. The ideal candidate has 1-2 years of experience in a similar role, knowledge of PVCase and PVSyst, and proficiency in AutoCAD and AutoCAD Civil 3D.

KubeKube seeks a Community Manager to oversee daily operations, member relations, and space maintenance. This leadership role requires strong decision-making, client management, and reporting skills.