freelance English-speaking jobs in Valongo

Information Technology Recruiter to manage recruitment and selection processes, publish job postings, screen resumes, conduct interviews, and evaluate candidates.

OutSystems Developer will design, develop, and maintain applications using the OutSystems platform. Collaborate with stakeholders, ensure application performance and security, and participate in Agile development processes. Requires a Bachelor's degree, 3+ years of OutSystems experience, and strong web technologies knowledge.

Junior Production Support / Infrastructure Engineer needed to ensure production environment stability, resolve incidents, and perform root cause analysis. Minimum 2 years of technical experience required. Solid Linux knowledge, networking fundamentals, and experience with traffic analysis tools are essential.

Office Manager to oversee facilities maintenance, catering, and wine club activities. Requires 5+ years experience in similar roles, proficiency in English and Portuguese, and a degree in a relevant field.

Carries out performance testing using manual and automated tools to validate software applications and infrastructure. Designs, develops, and executes performance test cases and scripts, analyzes product specifications, and tracks test progress and metrics. Provides support and mentoring to distributed project teams on performance activities.

Electrical Site Manager to lead construction of LV/MV installations on a major hyperscale data center project in Portugal. Plan, coordinate, and manage subcontractors, ensuring quality, safety, and on-time delivery. Requires electrical trade background or qualification, proven site management experience, and strong leadership skills.

Battery Sales Engineer to develop and expand international business opportunities in Europe and Southeast Asia. Manage the full sales cycle, identify customer needs, and propose tailored technical solutions. Requires a Bachelor's degree in a relevant field, 2+ years of experience in the lithium battery industry, and fluency in English.

Investment Banking Trainee supporting EMEA Advisory Group in M&A transaction origination efforts. Responsibilities include research, analysis, client presentations, valuation modeling, and database maintenance.

Experienced Backend Developer needed to design, develop, and maintain scalable backend solutions using .NET 6+, C#, and Microservices Architecture. Collaborate with cross-functional teams to deliver end-to-end solutions within an Agile environment.

Customer Success Associate needed to support users, guide onboarding, and drive MeetGeek adoption. Responsibilities include technical troubleshooting, CRM management, and identifying expansion opportunities.

Experienced Private Assistant needed for a prestigious Lisbon residence. Support daily operations, coordinate household staff, and ensure five-star standards. Proven experience in luxury hospitality or private service required. Fluency in English essential, Portuguese advantageous.

Growth Hacker / Sales Engineer needed with 3 years of B2B IT experience. Drive sales and promote AI-powered solutions. Responsibilities include lead generation, outreach, presenting demos, and attending conferences. Must be fluent in English and Polish (C1+).

We're looking for the special, unique and amazing YOU! We're looking for the special, unique, and amazing YOU! @ KCS IT, we seek those who stand out , those who always strive to be better and fight for it .

Project Manager with 5+ years of experience leading large teams (20+) and managing projects using various methodologies. Strong communication, problem-solving, and risk analysis skills are required. Fluency in English and willingness to travel are essential.

Experienced Product Designer needed for a 6-month contract to design intuitive, scalable B2B platforms. Proven experience in visual analytics platforms and intelligent apps required.

Leads the Growth track within R&D, identifying and executing product-led growth opportunities to drive user acquisition and business expansion. Collaborates with marketing and partnerships teams to align product initiatives with market positioning and customer segments. Designs and runs growth experiments to improve key acquisition and expansion metrics.

Warehouse Coordinator to manage and support warehouse and customer service teams, ensuring efficient order handling and dispatch of medical products.

Senior UX Designer will translate user research and business requirements into intuitive user-centered solutions. Responsibilities include planning user research, creating user journeys and prototypes, and collaborating with UI Designers and developers.

The IAM & Google Workspace Product Manager defines and executes the product vision and roadmap for IAM and Google Workspace solutions. This role involves collaborating with stakeholders, managing product development, and ensuring compliance and security.

AI Business Analyst at Meet Frank supports strategic decisions through market analysis, competitive intelligence, and GTM performance evaluation. Collaborates with product and operations teams to translate insights into product features and optimize AI-powered workflows.