freelance English-speaking jobs in Valongo

PrimeIT seeks a Junior Java Backend Developer to develop and maintain backend applications using Java and Spring Boot. Responsibilities include implementing REST APIs, contributing to feature development, and collaborating with the team. Basic Java, OOP, Spring Boot, and REST API knowledge is required.

Provide customer support via phone, chat, and email for a banking, payments, fraud & disputes, complaints handling, or customer support background. Must have C1 level English and at least 12 months of relevant experience.

Part-time waiter/waitress needed for a busy restaurant in Braga. Greet customers, take orders, serve food and beverages, and ensure customer satisfaction. Previous experience preferred but not required. Must have excellent communication skills and be able to work weekends, evenings, and holidays.

The Project Buyer CAPEX and Projects will focus on sourcing projects and take on special sourcing projects globally. Responsibilities include translating project requirements into procurement plans, identifying and evaluating suppliers, negotiating contracts, managing costs, and ensuring timely delivery.

Senior Research Analyst to join the Advisors Research Center in Lisbon, Portugal. Deliver new research products, leverage research assets, and generate insights based on primary and secondary research. Requires experience in both quantitative and qualitative research methods, data analysis, and clear communication.

Global Sustainability Trainee supports responsible sourcing initiatives, including conflict-free supply chains and supplier management. Analyzes data, researches sustainable practices, and collaborates with stakeholders. Requires a degree in a related field, data analysis skills, and fluency in English.

Implement and monitor Environment, Health & Safety (EHS) programs ensuring compliance with legal and internal requirements. Conduct risk assessments, lead investigations, and promote a strong safety culture. Perform audits, manage waste and emissions, and collaborate with teams to integrate EHS into operational processes.

Own the product vision and roadmap for the Windows Client and Desktop Environment. Gather, analyze, and prioritize stakeholder requirements and translate them into user stories. Collaborate with engineering teams to ensure timely delivery of features and enhancements.

Information Security Analyst needed to protect company data and systems from cyber attacks. Responsibilities include conducting security assessments, developing security policies, monitoring network activity, investigating security incidents, and providing remediation recommendations. Requires a Bachelor's degree in a related field and at least 3 years of experience in information security analysis.

Reporting Analyst will assist in preparing quarterly management reporting, analyze project/vessel/shore base performance, and prepare budgets. The role involves data loading, reporting submission review, and collaboration with internal stakeholders.

The Sales Manager Portugal will lead and execute the company's commercial strategy, drive sales growth, develop the sales team, and manage key customer relationships.

Research grant for a Master's level student to study first-order phase transitions in the early Universe. The work will focus on conformal extensions of the Standard Model with non-Abelian gauge symmetries.

Provide German-speaking customer support via email and phone for a GPS navigation tool. Troubleshoot issues, document solutions, and escalate complex problems.

Accounting General Ledger Associate will ensure accurate financial reporting and compliance with international accounting standards (IFRS). Responsibilities include preparing financial statements, collaborating with auditors and tax experts, and supporting continuous improvement initiatives.

Graphic Designer needed to create visual stories for B2B clients across digital channels. Must have 3+ years of experience, a strong portfolio, and proficiency in Adobe Creative Suite. Excellent communication and collaboration skills are essential.

Lead generation role for a financial services software organization. Qualify leads, contact potential clients, and identify client needs. Strong communication and sales skills required.

Senior QA Engineer to test a real-time flight info app on Android, iOS, and Linux. Responsibilities include testing client and server components, developing test strategies, and collaborating with developers. Requires experience with Linux command line, API testing, network analysis, virtualization, and test case management tools.

Shape oncology patient pathways by building partnerships and executing account strategies to deliver measurable impact. Lead with science, engage multi-disciplinary decision makers, and co-create solutions that improve the patient journey. Drive sales performance, manage budgets, and collaborate cross-functionally to solve account-specific challenges.

Drive B2B revenue growth by managing medium-sized accounts, generating new business, and expanding existing client relationships. Independently manage the sales cycle, from prospecting to closing deals, and deliver tailored proposals and presentations. Meet or exceed revenue targets and collaborate with internal teams to ensure client satisfaction.

Manage the daily operation of Manufacturing Bills of Material (M-BoM) in PTC Windchill. Review task scope, create Problem Reports, and maintain an overview of M-BoM deliveries.