freelance English-speaking jobs in Guimarães

Design and implement robust backend services for trading and financial systems. Build and maintain real-time infrastructure and APIs. Collaborate across teams to deliver scalable features.

Senior Civil Engineer with a Structures focus sought for Porto office. Design solutions meeting client needs, adhering to regulations, and optimizing for technical, economic, and environmental factors. Minimum 8 years experience in structural design projects required.

Lead Certification Engineer to manage the certification process of automotive infotainment products, ensuring compliance with legal requirements. Define HW & SW certification requirements, create documentation, and execute tasks according to Aptiv's quality standards.

Senior Service Designer will champion a user-centric innovation approach, identifying and shaping opportunities across the ZEISS Vision B2B and B2C ecosystem. Responsibilities include conducting user research, developing service concepts, creating service blueprints and customer journey maps, and facilitating workshops. Requires a degree in a relevant field and 5+ years of experience as a Service Designer.

Production Supervisor to lead a team of 25-35 artisans in Santa Maria da Feira. Responsibilities include ensuring safety, quality, efficiency, and on-time delivery. Requires a degree in Engineering, Industrial Management, or a related field and 3+ years of experience leading production teams.

Support Dutch-speaking talent acquisition by sourcing, screening, and engaging candidates. Collaborate with recruiters and hiring managers to understand job requirements and ensure clear communication with candidates.

Air Liquide Europe Business Services seeks HR professionals for various roles including Employee Data Management, Payroll, Learning Support Services, and Total Rewards Support Services. Successful candidates will provide HR support to global entities, resolve employee inquiries, and contribute to process optimization.

Web & UX Designer needed to create and optimize user interfaces for altium.com. Must have 3+ years of experience, proficiency in Figma, and a strong portfolio.

Corporate Finance Consultant and Developer needed for SAP Finance & Treasury expertise. Experience with payment processing, cash management, AR/AP, and General Ledger required. Analyze business requirements, design solutions, and support implementations.

In-House lawyer to provide legal support to Selena Group companies in Portugal and Spain. Experience in corporate governance, M&A, and general corporate advisory required. Must have a law degree from Portugal and a minimum of 5 years of professional experience. Spanish law knowledge is a plus.

Leads a team of 4-12 P2P specialists, ensuring SLAs are met, managing escalated cases, and driving performance improvements. Requires fluency in French and English, 3-5 years P2P experience, and 2+ years in a people management role.

The HR Legal & Employee Relations Manager ensures legal compliance across all employment matters in Portugal. This role advises leadership and HR teams on labor law, employee relations, and risk management, aligning Portuguese legislation with global HR policies.

Data Analyst will analyze, transform, and interpret complex datasets to generate insights and support data-driven business decisions. Collaborate with stakeholders to translate requirements into analytical solutions. Design, build, and maintain efficient queries, data models, and datasets using GCP tools, with a focus on BigQuery.

Data Security Project Manager to coordinate DLP project rollouts and deployments, ensuring communication and governance across all phases.

Senior Software Engineer to write, maintain, and deliver production-grade Java/Kotlin applications. Collaborate with Product Owners, Engineers, and Data Scientists to design and implement solutions. Experience with cloud-based infrastructure (AWS/Azure/GCP) and agile development methodologies required.

QA Automation Tester needed to design, develop, and maintain automated tests (UI, API, integration, component, unit). Experience with Playwright, Cucumber, JUnit, TestNG, Xray, Jira, TypeScript/JavaScript, and Java required. Strong knowledge of API and integration testing, E2E testing, and ISTQB principles is essential. Minimum 2 years of professional experience in automation testing.

Senior Accountant to support O2C processes, including order management, invoicing, and cash collection. Requires 2-5 years of Sales Administration or O2C experience, strong accounting knowledge, and proficiency in Excel and SAP.

Data Integration Engineer will contribute to data interoperability across Ayming systems and the Aym-otion migration. Responsibilities include designing, building, and maintaining data pipelines, ensuring data quality, and collaborating with teams to gather integration requirements.

As a German Project Manager, you will lead transition projects, manage timelines and risks, and ensure smooth implementation of new processes and systems for MAN's new Global Business Services hub in Lisbon.

This role supports Revolut's global expansion by building and optimizing scalable processes and leading infrastructure projects. The Chief of Staff will prioritize projects and set timelines.