freelance English-speaking jobs in Guimarães

Major Account Manager focuses on new business and developing existing customer accounts. Responsibilities include negotiations, contract signing, and executing sales activities aligned with targets. Experience in the telco sector is required.

SAP Basis Administrator needed with 5+ years of experience in S/4HANA and SAP ERP/ECC. Requires experience in SAP BTP, Cloud Integration, SSO, and Windows/Unix administration. English fluency is mandatory.

Design and develop advanced hardware circuit architectures for eBike systems. Define and execute testing/validation plans, resolving technical challenges and ensuring EMC compliance. Requires electronics/electrical engineering background.

Lead the Cosmetics business and brand portfolio (NIVEA and Labello) in Portugal. This role drives growth, market share, and profitability by leading marketing strategy, managing performance KPIs, and developing the local team.

Senior QHSE Officer needed for a site-based assignment to maintain high quality, health, safety, and environmental standards. Responsibilities include reporting, inspections, and supporting HSE initiatives. Requires relevant engineering degree or equivalent experience and fluent English.

Data Visualization Engineer to design and develop data-driven solutions. Responsibilities include creating intuitive dashboards, integrating data from various sources, and ensuring data quality. Requires proficiency in BI platforms like Tableau or Power BI and SQL.

Build agentic AI features into recruiting platform products. Own ambiguous problems from prototype to production, setting technical direction and writing production-ready code. Requires 5+ years of experience and strong skills in TypeScript, Python, or similar languages.

Call for 1 Doctoral Research Grant in Earth Sciences at IVAR, University of the Azores. Focus: Geochemical and geophysical characterisation of volcanic systems in the Azores. Requires a Master's degree in related fields.

Chief Sales Officer to build the international sales function and go-to-market strategy. Own the revenue plan, hire regional managers, and lead strategic deals for card solutions across CEE, EEA, and MENA.

Develop optimized solutions for carrier networking environments. Serve as SME for network planning, conducting technical evaluation and architectural innovation. Requires Master's in engineering/CS/Physics and 5+ years in network planning.

Accounting & Reporting Specialist role focusing on European markets. Responsibilities include financial statement review, reconciliations, month-end/year-end closing, and ensuring regulatory compliance. Requires 5-7 years of relevant experience and fluency in English.

Own the EEA growth campaign engine at OKX, managing Affiliate, Listing, Trade & Earn, and Launch campaigns. Requires 4-7 years experience, 2+ years at a tier 1 crypto exchange, and fluency in English plus German, French, or Dutch.

QA Automation Engineer needed for digital transformation projects. Requires 3-5+ years in Front-End/Back-End test automation using Java and Playwright. Must be fluent in Portuguese and English B2.

Drive service transformation as an SAP S/4HANA Service Lead Consultant. Design and implement SAP S/4HANA Service Management solutions, advising clients on best practices. Requires 5-7 years of SAP consulting experience, including S/4HANA Service implementations.

Senior Product Marketing Manager to elevate core financial features and establish Revolut as a main account globally. Requires 7+ years in B2C product/brand marketing, driving data-driven strategies and executing go-to-market campaigns.

Data Labeler fluent in Spanish needed to train AI models for a short-video platform. Responsibilities include reviewing and labeling multimedia content based on quality criteria. Requires native/fluent Spanish and B2 English.

Lean Manufacturing Engineer VIE supports plant performance using FES principles. Responsibilities include FES deployment, training, process design, and improving MOD efficiency and lead time. Requires a Master's in Engineering and fluent English.

Senior Hardware Engineer to lead design of electronic systems for SAR payloads. Requires 7+ years in hardware development, expertise in digital/analog circuits, and strong technical leadership.

Senior Prompt Engineer needed for end-to-end technical migration to LLM autoraters. Responsibilities include using APG/APO tools, manual prompt refinement, and measuring quality via F1 scores. Requires 4+ years as a Prompt Engineer.

Analytics Engineer to ensure data is trusted and accessible. Responsibilities include data modeling, evolving data architecture, and championing best practices in data transformation pipelines. Requires deep SQL and dbt understanding.