freelance English-speaking jobs in Valongo

Business Development and Partnerships Lead to drive growth by building strategic relationships with institutional clients in the financial industry. Requires experience in web3/crypto/blockchain, derivatives trading, and sales.

Senior Product Manager with 4+ years of experience in technical products, ideally sales/marketing tech, will define product vision, strategy, and roadmap. Collaborate with development, design, and customer-facing teams.

Protects company systems and data from cyber threats. Identifies vulnerabilities, implements security measures, and monitors for suspicious activity.

Trade Marketing Specialist to develop and execute shopper marketing strategies and trade channel plans. Drive growth in sales and market share through in-store excellence, sales enablement, and strong customer relationships. Requires 1-4 years of experience in FMCG, strong analytical skills, and proficiency in Excel and PowerPoint.

Facilities Technician needed for new production plant in Portugal. Responsibilities include building equipment repair and maintenance, electrical system checks, fire safety system maintenance, and data reporting. Requires a high school diploma or equivalent and 3+ years of experience in building and facilities maintenance. Knowledge of metalwork, HVAC, pneumatics, and electrical systems is preferred. Fluent Portuguese and user-level computer skills are required.

Senior DevOps Engineer to own infrastructure strategy and drive platform growth. Hands-on role requiring Kubernetes, DigitalOcean, AWS, CI/CD, and security expertise.

Senior .Net (C#) Developer to join a globally distributed team developing real-time, low-latency electronic trading platforms. Full SDLC ownership, architecture design, and development of robust backend solutions are key responsibilities. Minimum 6 years of experience required.

Experienced Payroll & Posting Operations Lead needed to build and manage payroll, employee leasing, and posting processes in Portugal. Requires 5+ years of Portuguese payroll experience, including posted worker payroll, strong knowledge of Portuguese labor law, and proven leadership skills.

Provides customer support to French and Italian speaking hoteliers via various channels. Resolves queries, escalates issues, and ensures customer satisfaction.

Associate Analytics Strategy Lead will shape country, site, and enrollment strategies for clinical studies. This role translates data into clear insights and presents strategic recommendations to internal stakeholders and clients. Collaborates with cross-functional teams to build proposals and support junior team members. Requires 3+ years of experience in clinical research and strong presentation and communication skills.

Customer Service Representative providing support to small and medium-sized businesses (SMBs) in optimizing their marketing strategies and navigating advertising tools.

Senior Full-Stack Engineer (Angular & GenAI Integration) will develop and scale enterprise web applications integrating Angular frontends, Python/FastAPI backends, and GPT-based modules.

Global Product Specialist to manage the transformers product portfolio, conduct market analysis, and support product development. Requires a degree in a related field and 5+ years of experience in product management, market analysis, or a similar role within the transformers or energy industry.

Intermediate Quality Assurance Engineer needed for a fixed-term contract. 2+ years of experience in QA Engineering required. Proficiency in manual and automated tests, and knowledge of integration tests within a maintainable test environment. Fluency in English is essential.

Business Development Executive to secure partnerships with mid-sized, regulated financial institutions globally. Focus on companies struggling with cross-border payment challenges, positioning UNYX as a direct-settlement alternative. Drive the full sales cycle, from cold outreach to closed deals, in 30-90 day cycles.

Site Manager to oversee all project stages, manage budgets, and coordinate with stakeholders. Requires 3+ years of construction management experience, preferably in retail or office projects.

IPM seeks a commercially driven Partnerships & Channel Growth Manager to build and manage revenue-generating partnerships across multiple channels including training providers, universities, and corporate training partners. The role involves identifying, pitching, and negotiating partnership opportunities, onboarding new partners, and tracking performance metrics.

CRM Manager to lead and oversee CRM initiatives for the Spanish market. Develop and execute player engagement strategies, manage campaigns, and leverage data-driven insights to enhance customer retention. Requires 2+ years of CRM experience in the gambling industry and proficiency in Spanish and English.

Quality Control Specialist needed with a degree in Quality Engineering, Quality and Environment Management, or ICT-related fields and at least 3 years of experience in Quality Management and Quality Control. Must have knowledge of ISO 9001 and process auditing methodologies, strong communication skills, and the ability to work under pressure.

Senior Oracle Database Engineer to support and evolve mission-critical database infrastructures. Design, administer, and optimize on-prem and cloud database architectures. Troubleshoot complex incidents, lead root-cause analysis, and ensure high availability, performance, and security.