freelance English-speaking jobs in Maia

Customer Support Specialist to provide French-language support for a premium lifestyle brand's digital products and services. Must have C2 French and B2+ English, strong communication skills, and experience with digital tools. On-site role in Porto with rotational shifts.

Own supplier sourcing, negotiation, and execution for a fast-growing Amazon-focused eCommerce brand. Manage RFQs, negotiate pricing and terms, and build landed cost models. Coordinate samples, specs, and regulatory compliance. Track supplier performance and drive cost-saving initiatives.

Develop and operate a scalable, multi-tenant AI agent mesh. Integrate and deploy foundation models and design intelligent backend components for context management, RAG, and agentic collaboration.

Human Resources Assistant to support smooth HR processes and office operations. Responsibilities include personnel administration, expense and payroll support, and office management. Fluent Portuguese and English required.

Senior ML/Data Ops Engineer II will focus on LLM serving, model management, real-time data engineering, and core infrastructure. Responsibilities include deploying and optimizing large-scale open-weights models, managing model weights in Kubernetes, designing CDC pipelines, and tuning ClickHouse for real-time analytics. Expertise in Linux systems, Kubernetes, Istio, and CI/CD tools is required.

The Content Support Specialist acts as a liaison between HQ Digital Marketing briefs and creative agencies, ensuring timely delivery of assets for trigger-based programs. This role ensures adherence to Nespresso's guidelines and advocates for Nestlé's Content Operating Models and Global Solutions. The specialist coordinates with agencies, creates performance reports, and drives change management to execute HQ agendas.

Experienced People Operations Expert needed to manage Portuguese payroll and HR administration, ensuring compliance with labor law. Strong knowledge of Portuguese payroll regulations and HRIS systems required.

Design, build, and maintain enterprise-grade dashboards, reports, and financial reporting solutions using SAP Analytics Cloud (SAC), SAP Analysis for Office (AfO), and other front-end tools. Translate business and finance requirements into reporting solutions.

Project Manager to lead and manage end-to-end delivery of risk assurance and fraud management solutions. Develop project plans, coordinate cross-functional teams, and ensure successful project completion within scope, budget, and timeline.

Junior Digital Marketer to manage social media, build newsletters, and assist with SEO and marketing campaigns. Must have strong design sense, be detail-oriented, and fluent in English.

Senior Java/Angular Developer needed for a project in Porto (Hybrid). Requires 6-9 years of experience, a Bachelor's degree in a related field, and 5+ years of full stack development experience with Java, Spring, and Angular. Must have experience with Maven, SQL databases, RESTful APIs, version control systems, and Agile methodologies. Excellent communication skills in French (mandatory) and English are required.

Cheetah Management Services Lda. seeks three Accountants to prepare financial statements, manage bookkeeping, and support financial reporting. Requires a degree in a relevant field, fluency in Portuguese and English, and experience with Portuguese accounting software.

The Key Account Manager will drive growth of VYVGART® in Lisbon and Southern Portugal. Responsibilities include developing territory and account plans, securing formulary access, achieving sales targets, and building relationships with healthcare professionals. The role requires strong selling skills, commercial acumen, and experience in the biopharmaceuticals industry.

GenAI Server Engineer needed for contract position in Sines, Portugal (hybrid). Experience with Dell PowerEdge servers, R/XE models, Open Manage Enterprise, GPU hardware, networking fundamentals, Linux (Red Hat, Ubuntu), and large data center environments required.

Senior Software Engineer to design, develop, and deploy new features in .NET Core/.NET Framework. Optimize performance of distributed cache and SQL databases. Expertise in OpenTelemetry, OpenSearch, and Prometheus is a plus.

Administrative Assistant to support operations in the Algarve region. Responsibilities include managing email, organizing archives, client relations, and reporting. Requires administrative experience, fluency in English and Portuguese, and a valid driver's license.

Lead a team of Data Engineers in designing, developing, and maintaining large-scale systems. Ensure continuous delivery of value through efficient development practices and timely releases. Collaborate with product owners, heads of product, and engineering management to align work with product vision and strategic goals.

Develop high-performance digital systems for the Neuron product line, leveraging FPGA and embedded systems expertise. Collaborate with cross-functional teams to ensure seamless integration and timely delivery of milestones.

The Service Delivery Manager for Workplace is responsible for the end-to-end delivery of Workplace and collaboration tools. This includes service management, governance, and continuous improvement for Microsoft 365, endpoint management, and collaboration tools.

EDP seeks a Transformation Specialist to apply Generative AI models and machine learning algorithms to solve business problems and improve efficiency. The role involves developing and implementing E2E automations, collaborating with business teams, and ensuring documentation and reusability.