freelance English-speaking jobs in Valongo

Project Manager / System Analyst supports finance transformation projects, analyzing, designing, and documenting solutions for financial interfaces. Requires a Master's degree and 3+ years of experience in banking, finance, accounting systems, business analysis, development, or testing.

Provide customer support to Italian-speaking customers via phone, email, and chat. Resolve inquiries, identify customer needs, and document interactions.

QA Engineer will develop, document, and maintain test plans and test cases. Perform manual testing, identify defects, and ensure software meets requirements. Collaborate with developers and business analysts to resolve issues and improve software quality.

The Accountant applies accounting principles to specialized records and reports. Tasks include processing invoices, analyzing accounts, and preparing financial statements. The role requires 2 years of experience, a degree in Accounting or Management, and proficiency in MS Office with advanced Excel skills.

Supports growing retail credit portfolio by making data-driven decisions on risk-adjusted return requirements. Leads preventive and reactive actions impacting portfolio credit performance and profitability.

Provides administrative, logistical, and strategic support to the Country President and Leadership Team. Manages agendas, meetings, travel arrangements, and expense reports. Supports strategic planning, communication initiatives, and employee engagement activities. Prepares presentations, documents, and materials. Collaborates with internal stakeholders and external parties.

Account Executive to drive new business growth for Sama, a B2B platform for employee development. Manage the full sales cycle, from prospecting to closing, with a focus on HR, People, Talent, or Learning & Development functions. Requires 3+ years of B2B sales experience, proven success in complex sales, and fluency in English.

The Credit and Collections team ensures timely collection of receivables, manages customer relationships, and mitigates credit risk. Responsibilities include dispute resolution, credit risk assessment, and process improvement initiatives.

IT Project Manager needed to build valuable software. Must have a Computer Science or Engineering degree, 4+ years of IT Project Management experience, and experience with Agile methodologies. Strong communication and organizational skills are required. Fluency in Portuguese is essential.

Global Product Specialist will manage the transformers product portfolio, conduct market analysis, and support new product development.

Lead cost optimization, procurement, and performance improvement programs across industries. Build and grow a client portfolio through business development and long-term partnerships.

Experienced B1 Licensed Aircraft Engineer required for line maintenance on Airbus A220 and A320 aircraft. Responsibilities include scheduled and unscheduled maintenance, inspections, troubleshooting, and certification.

Regulatory Affairs Specialist to manage submissions, marketing authorizations, and variations for international markets. Requires a master's degree in Pharmaceutical Sciences, 4+ years of experience, CMC expertise, and fluency in English.

Full-time residential tutor to home-educate two academically ambitious 15-year-old brothers pursuing the IB Diploma and US engineering pathways. Responsibilities include curriculum design, teaching, assessment, and preparation for university applications. Requires a first-class degree, exceptional STEM knowledge, IB Diploma teaching experience, and the ability to travel extensively with the family.

International Business Developer to expand NewNote's footprint across Europe. Drive new business opportunities, build strategic partnerships, and manage the full sales cycle. Proven experience in international business development or complex B2B sales required. Fluency in English mandatory, additional European languages a plus.

KEMET Electronics Portugal seeks a Quality Engineer Trainee with a Bachelor's or Master's degree in Engineering. The ideal candidate possesses strong organizational skills, fluency in English, and basic knowledge of quality engineering.

Senior Project Planner needed for a major data centre project near Lisbon. Develop and maintain project schedules using Primavera P6, monitor construction progress, and identify programme risks. Strong Primavera P6 experience and data centre, pharmaceutical, semiconductor, or industrial project experience required.

This is the first marketing hire for a stealth early-stage travel platform. The role focuses on customer acquisition through affiliates and creators. Responsibilities include building and managing a network of travel affiliates and influencers, designing a commission structure, onboarding and supporting partners, tracking performance, and optimizing campaigns.

Provide technical customer support in Italian and English, resolving customer issues and ensuring positive experiences. Must be fluent in both languages and have strong communication and problem-solving skills.

The SIEM Content Development Specialist designs and develops detection content leveraging security technologies and telemetry to identify malicious activity. This role collaborates across teams to translate threat intelligence into actionable detection logic and response workflows.