freelance English-speaking jobs in Guimarães

Technical Product Manager will develop new data products for Sensor Tower's mobile intelligence platform. Responsibilities include interviewing customers, analyzing data, proposing features, and collaborating with engineering and data science teams. Requires 7-8 years of experience in data roles, preferably at a SaaS company, mobile, or F2P gaming company. Experience with AI and BI industry players is essential.

Experienced Commissioning Engineer needed for 10-month contract in Lisbon, Portugal. Oversee and support commissioning, testing, and handover of critical data center infrastructure including HVAC, chilled water, UPS, generators, electrical systems, and IST.

This role supports the team in securing optimal availability within cost constraints by delivering automation, decision-support tools, and process improvements. The Sr Specialist will develop dashboards and analytical solutions to provide visibility into availability, inventory performance, and operational KPIs. They will translate commercial needs into supply chain requirements and identify opportunities to automate processes.

The Energy Year seeks a Global Sales and Business Development Executive to lead sales meetings, build client relationships, and represent the company at international events.

Supervises a team of couriers, coordinates delivery schedules, and ensures timely and efficient package delivery. Requires 2+ years courier experience, 1+ year supervisory experience, and a valid driver's license.

European Bulk Sales Specialist will drive cross-border vehicle sales across BCA's European markets. Responsibilities include promoting vehicle stock, identifying sales opportunities, negotiating deals, and managing buyer relationships.

Leads global VAT compliance activities, ensuring compliance, governance, and continuous improvement of indirect tax processes. Provides VAT advice to business stakeholders and supports strategic initiatives. Manages indirect tax risk, drives process improvements, and interprets legislative developments.

Seeking a highly organized and proactive individual to support the implementation of Meta Ads, Google Ads, and email marketing campaigns. Assist with competitor research, content creation, reporting, and client projects.

As an Integration Specialist, you will own the end-to-end implementation lifecycle for mid-cap and enterprise merchants. You will analyze merchant expectations and architectures to design, manage, and implement scalable integration strategies. You will also support troubleshooting, perform deep-dive log analysis, and resolve complex integration hurdles.

Field Marketing Specialist supports the development and delivery of FairJourney Bio's field marketing activities, including conferences, events, and commercial activations. This role coordinates event logistics, promotional materials, and activation activities, working closely with Marketing and Business Development teams.

Experienced commissioning professionals with data center or mission-critical experience are sought for roles across Europe and the UK. Commissioning Engineers will manage and carry out commissioning activities, validate results, and provide technical advice. Commissioning Managers will lead the commissioning process on complex projects, coordinate teams, and develop commissioning plans.

KCS IT seeks a Senior UX/UI Designer with 4+ years of experience to design intuitive and visually appealing user interfaces for web and mobile applications. Responsibilities include creating wireframes, user flows, mockups, and prototypes, conducting user research, and collaborating with cross-functional teams. Proficiency in design tools like Figma, Adobe XD, or Sketch is required, along with a strong understanding of user-centered design principles and usability standards. Fluent English is mandatory.

Product Engineer needed for a full-time on-site position at Portcril. Responsibilities include preparing technical drawings, developing work instructions, and optimizing manufacturing processes. Ideal candidates will have a Bachelor's or Master's degree in Mechanical or Industrial Engineering and proficiency in 3D CAD software.

QA Engineer to contribute to a holistic quality assurance strategy for Salesforce Commerce Cloud back-end integrations and APIs. Will design, execute, and report on tests, automate testing processes, and support development and business teams. Requires 4+ years of experience, a Bachelor's degree, and expertise in API testing tools and agile methodologies.

Review Czech content for a social media platform, ensuring adherence to client policies. Moderate and escalate violations while maintaining high quality review standards.

Senior Automation QA Engineer to drive quality for a global QSR brand's mobile applications. Build and maintain automated test suites, validate payment and authentication workflows, and execute functional and regression testing. Collaborate with engineering, product, and design teams in an Agile environment.

Axians seeks a Junior Clearing Officer for a national project. The role involves addressing client issues, ensuring communication flow, identifying and controlling risks, and participating in projects. A bachelor's degree, strong Microsoft skills, and fluency in English are required.

Senior IT Auditor to lead SOX 404b testing, evaluate control effectiveness, and partner with control owners to strengthen ITGCs and automated controls.

The Pestana Hotel Group seeks an experienced Unit Manager for its new Porto Covo Beach Residence. The role involves supervising operations, managing budgets, developing marketing strategies, and ensuring customer satisfaction.

Manages the execution of key prepaid product verticals and use cases globally. Develops new prepaid offerings and features, analyzes data to identify opportunities, and collaborates with regional teams to implement solutions.