freelance English-speaking jobs in Guimarães

ONEtoONE Corporate Finance Group seeks established Portugal-based M&A Advisors and boutique firms to join its international network. Members gain access to a global investment banking brand, world-class infrastructure, and a network of over 150 independent advisors.

Nimber seeks a Network Architect to define requirements, assess market solutions, and design technical evaluation frameworks. The role involves collaborating with vendors and participating in procurement processes.

This role supports international order management and logistics operations. Responsibilities include coordinating shipments, resolving customer inquiries, and ensuring smooth communication between teams. The Senior will also provide technical guidance to the local Export Sales Ops team.

Manages a team of Medical Representatives to achieve revenue, profit, and client satisfaction targets. Provides oversight for training, resource allocation, and performance management. Ensures compliance with reporting standards and industry regulations. Monitors KPIs, identifies risks, and implements corrective action plans.

QA Engineer to perform manual and automated testing for iOS and Android applications. Design, develop, and maintain test scripts and frameworks using Appium, XCTest, Espresso, Postman, and Newman.

Develops and executes patient recruitment and retention strategies for global clinical studies. Collaborates with project teams, vendors, and clients to ensure successful enrollment. Monitors metrics, identifies risks, and provides subject matter expertise on patient recruitment and retention. Requires a bachelor's degree and 5+ years of direct patient recruitment experience.

Marketing Executive to support multi-channel campaigns, create content, and analyze KPIs. Minimum 2 years of marketing experience required. Fluency in German and English is essential.

Provide German-speaking customer support via phone, email, and chat. Handle account queries, troubleshoot products, and deliver positive customer experiences.

Accounts Receivable & Collections Assistant will generate invoices, manage customer contracts, and lead collections activities. Requires a Bachelor's degree, 2+ years of experience in billing/collections, and proficiency in Excel, ERP systems, and English.

Junior O2C Specialist will process customer orders, generate invoices, perform cash application, and monitor AR aging reports.

The Webmaster provides operational support to the SEO team, assisting digital project managers and departments. Responsibilities include managing web page updates, collaborating with regional departments, and creating new web content. The ideal candidate has experience with CMS platforms, fluency in French and English, and strong problem-solving skills.

Pharmaceutical Project Manager will own and drive product projects from development through launch. Coordinate cross-functional teams and global partners to ensure on-time, on-budget product delivery. Manage budgets, forecasts, and regulatory submissions.

Cloudflare Vulnerability Advisor needed for international banking project. Develop and maintain vulnerability advisories, analyze risks, and support secure configuration. Requires 5+ years cybersecurity experience, Cloudflare platform familiarity, and strong communication skills.

Business Development Representative to drive growth of AI, Data, and Tech Upskilling programs for companies. Responsibilities include generating new business opportunities, leading client conversations, and managing the sales process.

QA Consultant needed for hybrid role in Lisbon, Porto, or Coimbra. Requires a degree in Informatics Engineering, Computer Science, or similar, 3+ years experience in QA, banking sector experience, and strong testing process knowledge. ISTQB certification and Agile experience are a plus. Fluent English required.

Penetration Tester / Red Team Analyst to execute penetration tests, conduct attack simulations, and identify vulnerabilities. Responsibilities include exploiting security weaknesses, producing technical reports, and collaborating with internal teams and clients. Requires 2+ years of experience in pen testing, knowledge of networks, operating systems, web applications, and offensive security tools.

Lead product strategy for a top-rated Shopify app used by 30,000+ stores worldwide. Define and own product vision, drive growth outcomes, and build and lead a product team. Shopify expertise, technical fluency, and experience with AI-powered solutions are required.

Leads the delivery of complex technology initiatives, acting as the central coordination point between internal teams and external partners. Manages multiple high-impact technology projects, ensuring projects move from concept to reality with discipline and speed.

As a Tech Recruiter, you will source and screen engineering talent across multiple markets, including Lisbon, Amsterdam, and internationally. You will partner with recruiters and hiring managers to understand role requirements and build strong talent pipelines.

The Sales and Marketing Coordinator writes and negotiates sales and marketing contracts, manages event calendars, and communicates with clients and partners. They assist with event execution, website updates, and trade show attendance.